Service Manual 1001RB
Contents
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4. 1001 Series Quick Start The 1001RB Series is designed to be simple to operate controls have well defined purpose and are well behaved These directions will take you through the basics and give you a good start for setting up your sound First Set the power switch to Off and connect the supplied power cable from the amplifier AC receptacle to an AC power outlet of proper voltage and power rating see safety information on page 7 for details Next Connect your speaker cabinets to the amplifier outputs marked 540W AMP ONLY or SPEAKON OUTPUTS Be sure not to exceed the recommended speaker load below Maximum Recommended Speaker Load One 4 Ohm or two 8 Ohm cabinets on the 540W Amp One or two 8 Ohm horns on 50W Amp If you are using an RBH Series cabinet use the supplied 4 conductor Speakon cable to connect to the Speakon outputs on the rear panel of the amplifier Set the Woofer X Over and Tweeter Hi Cut switches on the front panel to the IN position You may want to adjust these later as you optimize your sound In addition set the switch on the RBH cabinet to 1 For connection to all other cabinets connect to the 1 4 outputs labeled 540W amp only Set the Woofer X Over switch on the front panel to the Out position For more information on Bi Amp and Normal Operation see page 7 Remember Playing loud with the master below 12 clock will cause distortion In some cases th
5. P c o o Eze I m io O SIDE ROUTING GERBER FILE 07102 LAYER DESCRIPTION lt e LJ gt 149 0104 LVL 1 10 00 SW Note PART 010 0003 0 010 1003 0 080 0070 B 086 0000 0 091 0028 0 092 0025 0 093 0506 0 093 0909 0 095 0005 0 100 0020 0 100 0029 0 100 0035 0 100 0042 0 100 0076 0 100 0098 0 100 0126 0 105 0001 0 105 0005 0 105 0010 0 111 0041 0 111 0101 0 111 0250 0 111 4060 0 111 6001 0 111 7011 0 111 7017 0 111 7021 0 111 8061 0 111 8081 0 1001RB INDENTED BILL OF MATERIALS Level 1 refers to main assembly parts Level 2 refers to board level components Main assembly numbers are in bold face while commonly needed parts are italicized DESCRIPTION QTY 25 3502 200 100 126 1 25 1380 200 100 126 1 1001RB TRANSFORMER 120 1 FAN 24V DC 160MA 80X80MM HIGH SPEED 1 FUSE 5MM 8A 240V SLB 1 CON SPEAKON NL4FC 2 HSG 1X2 LOCKING CRIMP 093 0909 1 TERM CRIMP 1 22GA 093 0509 2 CORD IEC 3X18GA 10A 6 DOM 1 BUMPER ROUND RUBBER 1 2 X 14 4 BUTTON CLYIN BLK CAP PUSH SWITCH 1 CABLE TIE BLACK 4 18 LB 6 HANDLE RUBBER 6 5 1 FOOT RUBBER ROUND 5 8DIA X 5 8 4 KNOB GRAY 6X15MM SPLINE SHAFT 11 HOLDER CABL
6. C44 C24 48 C4 5 14 17 18 36 43 45 C49 C16 C38 39 50 51 C41 42 C54 55 56 57 R30 R7 19 24 28 R1 6 11 14 16 22 26 27 29 R4 5 9 15 17 77 78 89 94 R54 73 88 R3 31 44 47 49 50 60 64 66 87 R85 R34 R2 63 79 82 R39 R59 72 R67 LVL 1 PART 050 2702 0 050 3302 0 050 3303 0 050 3304 0 050 3904 0 050 4701 0 050 4702 0 050 4703 0 050 4704 0 050 5102 0 050 5602 0 050 5603 0 050 6802 0 050 8202 0 060 1002 0 060 1213 0 060 1274 0 070 1513 0 070 1514 0 070 1522 0 090 0007 0 090 0012 0 092 0010 0 092 0069 0 092 0081 0 092 0084 0 093 0051 0 093 2005 0 100 0119 0 145 0105 F 602 0007 0 GK160 0000 HA202 0003 DESCRIPTION RES CARBON FILM 2 7K OHM 1 8W 5 RES CARBON FILM 3 3K OHM 1 8W 5 RES CARBON FILM 33K OHM 1 8W 5 RES CARBON FILM 330K OHM 1 8W 5 RES CARBON FILM 390K OHM 1 8W 5 RES CARBON FILM 470 OHM 1 8W 5 RES CARBON FILM 4 7K OHM 1 8W 5 RES CARBON FILM 47K OHM 1 8W 5 RES CARBON FILM 470K OHM 1 8W 5 RES CARBON FILM 5 1K OHM 1 8W 5 RES CARBON FILM 5 6K OHM 1 8W 5 RES CARBON FILM 56K OHM 1 8W 5 RES CARBON FILM 6 8K OHM 1 8W 5 RES CARBON FILM 8 2K OHM 1 8W 5 RES METAL FILM 1 00K 1 8W 1 RES METAL FILM 12 1 K OHM 1 8W 1 RES METAL FILM 127K 1 8W 1 POT 50K 15A 7MM KNURL 1W POT 50KB 7MM KNURL 1W POT 2KB 7MM KNURL 1W SWITCH 8A 128A 250V PP PCB SWITCH MINI PP DPDT 1A BRK MAKE PC TERM FASTON M PC 25 FASTON
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8. 7 60 6 4 m TWEETER WOOFER PATCH _ MASTER X OVER SEND RETURN TUNER BI AMP BASS AMPLIFIER o 0W gt 5 1001 Series Always Listening I have never seen the point in doing things the way others have done them I also have not been very interested in following the latest fad I am a Stanford educated engineer who worked his way through school as a musician Like all musicians I have lugged amplifiers up stairways and into car trunks always wondering why these things had to be so heavy bulky and hard to handle As I am the principal innovator at GK our products reflect my attitudes and life experiences I don t model my designs after other manufacturer s products as some of our competitors are proud of reciting Instead I believe new and old problems are best solved with new solutions Having taken our own path GK products enjoy a unique unmatched sound allowing the artist using them every opportunity to make an original statement Having supported my products for over thirty years I have learned from the story they tell Gallien Krueger is a reflection of that story and has a commitment to support that legacy Just as the products I created thirty years ago are still telling their story the products we create today will be talking to us tomorrow We ll be listening Robert Gallien E
9. M HOR PC 0 250 JACK 1 4 MONO PC NON GROUNDING CON XLR MALE PC PL SCREW MNT HDR 2MMX2 VERT MALE LOCK HDR 2MMX7 VERT SHROUDED SPACER LED NYLON 250 700RB PREAMP RAW PCB GK WARRANTY CARD GK SAFETY SHEET WIRE ASSY 26GA BLK 9 2PIN UL CSA QTY REF DESIG R8 18 R65 R58 93 R23 R71 R74 76 83 86 R32 68 R38 41 43 48 52 R37 42 45 51 R81 R21 35 36 53 55 62 R69 R80 R84 R95 96 R90 92 R57 R75 91 R20 25 33 40 46 56 61 R10 70 58 51 7 J9 10 J9 10 ECO 10 700RB J5 6 7 8 J4
10. of it s sound In fact a five string instrument requires an entirely different low end re sponse than a four string instrument No equalizer can make the necessary adjustments to accommodate both however the String Bass button on the 1001RB Series does just that When it is out the 1001RB is voiced like the 800RB the world s classic four string amp Push it in and the 1001RB is voiced for five string instruments For some playing styles you may want it in even with a four string instrument at least now you have a choice G LV E Technology As in all GK pre amps the1001RB Series pre amp incorporates what we call G I V E Gate Induced Valve Effect Technology We use field effect devices with the gate biased in a way that emphasizes the optimum harmonic content of the signal Working in concert with our unique Four Band Active Equalizer and three stage Voicing Filter Section G I V E technology produces a consistently pleasing bass tone 1001 Series Tech Talk Cool Running Reliability The 1001RB Series uses a dual rail power supply that generates about half the heat of conventional amplifiers Low output signals run off a low voltage supply and high level signals run off a high voltage supply This keeps the amp running a lot cooler and makes it much more reliable To cool the amp when its being driven hard we ve designed a temperature sensitive fan cooling system When the amp is under a light load
11. 0 2040 0 020 0120 0 020 1000 0 025 0012 0 DESCRIPTION RES METAL FILM 12 1 OHM 1 8W 1 RES METAL FILM 1 3 1 8 1 RES METAL FILM 20 0K 1 8 1 RES METAL FILM 43 2K 1 8 1 RES METAL FILM 45 3 OHM 1 8W 1 RES METAL FILM 63 4 OHM 1 8W 1 RES METAL FILM 750 OHM 1 8W 1 POT 500 OHM TRIM VERT INDUCTOR 4 UH WITH 1 OHM 2W RESISTOR INDUCTOR 2UH 20A AIR CORE THRM BRKR 85C 5 0 DIFF PC CON IECX3 10A 250V PC TERM FASTON M PC 250 JACK SPEAKON PC MOUNT NEUTRIK NL4MD H JACK 1 4 MONO PC GROUNDING HDR 1X2 VERT MALE LOCK GOLD HDR 2MMX2 VERT MALE LOCK HDR 156X7 VERT MALE LOCK SQR PINS TIN HDR 2MMX7 VERT SHROUDED FUSE CLIP 5MM P C MOUNT SPACER NYLON 187 4 INSULATOR TUBE 700RB POWER AMP BOARD LABEL BLANK 9 X 25 700RB 1001RB PREAMP BOARD ASSY TLO72CP LOW NOISE JFET OPAMP RC5532NB BI POLAR OP AMP MPSAS6 PNP 80V 500 TO 92 J113 N JFET 35V 2MA TO 92 J406 DUAL N CH JFET 8PIN DIP 1N759A ZENER 12V 5 400MW DO 35 1N4148 RECT FAST 200MA 100V 4NS DO 35 LED RED GRN 5MM 630NM 560NM 15MCD 15MCD QTY REF DESIG R7 10 R65 66 R79 80 R12 R29 R30 R27 R23 RL1 L1 J1 J2 T1 2 3 4 J3 4 P2 4 P1 5 P6 P3 F5 U3 4 5 6 7 8 U1 2 Q2 Q1 Q3 D2 3 4 5 10 11 12 13 14 15 D6 7 D1 LVL PART 025 0101 0 025 0116 0 030 2102 0 030 2103 0 030 2104 0 030 2153 0 030 2221 0 030 2222 0 030 2224 0 030 2332 0 030 2470 0 030 2472 0 030 2561 0 030 41
12. 00 0 030 4101 0 031 0106 1 031 0107 0 031 1336 0 031 2106 0 031 2107 0 031 2335 0 050 1001 0 050 1002 0 050 1003 0 050 1004 0 050 1005 0 050 1203 0 050 1503 0 050 2201 0 050 2202 0 050 2203 0 050 2204 0 050 2205 0 DESCRIPTION LED GRN 3MM 565NM 6MCD 10MA 40DEG LED RED 3MM 635NM 6MCD 10MA 40 DEG CAP CER AX 102 10 50V X7R CAP CER AX 103 10 50V X7R CAP CER AX 104 10 50V X7R CAP CER AXIAL 153 10 50V X7R CAP CER AX 221 10 50V NPO CAP CER AX 222 10 50V X7R CAP CER AXIAL 224 20 50V Z5U CAP CER AXIAL 332 10 50V X7R CAP CER AXIAL 47 PF 10 50V NPO CAP CER AXIAL 472 10 50V X7R CAP CER AXIAL 561 1096 50V X7R CAP CER AXIAL 10 PF 10 100V CAP CER AXIAL 101 5 100 V COG CAP ELEC RAD 106 20 25V NP CAP ELEC RAD 107 20 16V LOW LEAKAGE CAP ELEC RAD 336 10 50 25V CAP ELEC RAD 106 10 50 50V CAP ELEC RAD 107 10 50 50V CAP ELEC RAD 335 20 50V RES CARBON FILM 100 OHM 1 8W 5 RES CARBON FILM 1K OHM 1 8W 5 RES CARBON FILM 10K OHM 1 8W 5 RES CARBON FILM 100K OHM 1 8W 5 RES CARBON FILM 1M OHM 1 8W 5 RES CARBON FILM 12K OHM 1 8W 5 RES CARBON FILM 15K OHM 1 8W 5 RES CARBON FILM 220 OHM 1 8W 5 RES CARBON FILM 2 2K OHM 1 8W 5 RES CARBON FILM 22K OHM 1 8W 5 RES CARBON FILM 220K OHM 1 8W 5 RES CARBON FILM 2 2M OHM 1 8W 5 QTY REF DESIG D8 D9 C1 C25 26 37 C8 11 19 29 34 40 47 C9 12 C13 15 46 C27 28 30 C2 C6 7 10 C23 C3 31 32 35 52 53 C33
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14. 4004 RECT 1A 150V DO 41 THERMISTOR PTC 50DEG C BRIDGE 25A 200V VERT PC MP25S 02 CAP CER AX 102 10 50V X7R CAP CER AX 103 10 50V X7R CAP CER AX 104 10 50V X7R CAP CER AX 221 10 50V NPO CAP CER AXIAL 271 1096 50V NPO CAP CER AXIAL 393 10 50V X7R CAP CER AXIAL 47 PF 10 50V NPO CAP CER AXIAL 472 10 50V X7R QTY 10 REF DESIG U1 U2 Q2 Q6 26 Q4 7 8 10 11 12 13 15 16 Q5 9 Q1 3 14 40 Q19 21 22 23 39 Q27 29 33 35 Q20 24 25 Q30 32 36 38 D9 D14 15 D11 16 D8 12 D1 4 7 10 13 21 24 D31 D2 3 D17 18 D25 30 D19 20 R77 BR1 3 C19 20 35 C4 C6 7 52 C34 C9 C32 C10 33 C16 26 28 29 31 36 48 49 50 51 LVL PART 031 1336 0 031 2105 0 031 2106 0 031 2107 0 031 3159 0 032 7104 0 034 7103 0 035 8100 0 035 8131 0 050 0101 0 050 0471 0 050 1001 0 050 1003 0 050 1004 0 050 1501 0 050 1801 0 050 2203 0 050 3301 0 050 3302 0 050 4701 0 050 4702 0 050 4703 0 050 5601 0 051 0100 0 051 0270 0 051 0330 0 051 4701 0 054 0100 0 055 100 0 055 0101 0 055 2702 0 056 0100 0 060 1002 0 DESCRIPTION CAP ELEC RAD 336 10 50 25V CAP ELEC RAD 105 10 20 50V CAP ELEC RAD 106 10 50 50V CAP ELEC RAD 107 10 50 50V CAP ELEC RAD 159 20 63V CAP PE 104 20 250V CAP CERAMIC DISK 103 10 X 250V 10 5 500 CAP MICA 130PF 5 500V RES CF 10 1 8W 5 RES CARBON FILM 47 OHM 1 8W 5 RES CARBON FILM 100 OHM 1 8W 5 RE
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16. E TIE 75 SQUARE ADHESIVE BK 5 INSULATOR TAPE 1 X7MIL ADHESIVE BACK 0 INSULATOR 9MIL TO 126 GRY GREASLESS 2 INSULATOR GREASED MICA 1 BOLT 4 40 1 4 PHP CAD 2 BOLT 4 40 5 8 PHP CAD 4 BOLT 4 40 1 3 8 PHP ZINC 4 SCREW 4AB 3 8 FHP 82 B Z 4 NUT 4 40 KEP SMALL 3 WASHER 4 SPLIT 33 WASHER SHOULDER 4 NYLON 1 WASHER 4 FLAT CAD 4 TR BOLT 4 40 3 8 PHP CAD 11 TR BOLT 4 40 1 2 PHP CAD 12 Q18 Q17 REF DESIG LVL PART 112 8060 0 112 9060 0 113 3060 0 113 8100 0 114 1060 0 115 2220 0 115 6000 0 115 7008 0 132 0024 B 129 0024 0 132 0575 C 120 0005 0 132 0593 B 120 0026 0 132 0616 B 120 0012 0 132 0670 A 111 6010 0 111 6018 0 111 6019 0 111 6094 0 114 6057 0 120 0008 0 F505 0592 B 150 0003 0 150 0019 0 150 0023 0 150 0030 A 152 0002 0 153 0007 0 153 0100 2 160 0030 A 202 0050 A DESCRIPTION TR BOLT 6 32 3 8 PHP B Z TR BOLT 6 32 3 8 FHP B Z SCREW 8AB 3 8 PHP B O TR BOLT 8 32 5 16 PHP B O BOLT 10 32 3 8 FHP 82 B Z BOLT 5 16 18 2 3 4 CARRIAGE B Z NUT 5 16 18 HEX CAD WASHER 8MM BELLEVILE SPRING STEEL 700 400RB HEAT SINK EXTRUSION HEAT SINK 700B 700 400 EAR ALUM 100 5052 H32 48X144 700 400RB TOP COVER ALUM 090 5025 H32 36 144 700RB TRANSFORMER SHIELD STEEL 20 GA 036 EGC 48X120 1001RB CHASSIS 120V STANDOFF SO 440 10 STANDOFF SO 440 18 STANDOFFBSO 440 20 STEEL STUD 440 4 1 4 NUT S 032 1 STEEL FOR 18
17. GAGE STEEL 16 GA EGC 48X120 700RB F PANEL SILKSCREEN ROUND BUTTONS 700RB PACK BAG POLY 18 24 2 MIL BAG POLY 10 X 16 1 1 2 MILL 1001RB CARTON BAG 4 X16 FOR PWR CORD LABEL GK SERIAL NO SAFTEY LABEL RISK OF FIRE ENGL FREN MANUAL 1001RB WIRE ASSY 26GA BLK 17 2PIN QTY 10 22 273 30 REF DESIG LVL PART 202 5001 A 202 6000 A 206 0030 C 001 2060 0 001 3886 0 010 0000 0 010 0001 0 010 0012 0 010 1002 0 010 1013 0 012 0002 0 012 0003 0 012 1002 0 012 1003 0 020 0004 0 020 0036 0 020 0051 0 020 0150 0 020 1000 0 020 1022 0 020 1120 0 020 1122 0 020 2106 0 022 0042 0 023 0112 0 030 2102 0 030 2103 0 030 2104 0 030 2221 0 030 2271 0 030 2393 0 030 2470 0 030 2472 0 DESCRIPTION WIRE ASSY 4X16GA 8 STST WIRE ASSY 14GA GRN 3 CHASSIS GROUND 1001RB POWER AMP BOARD ASSY LM555CN TIMER LM3886T 68W AUDIO POWER AMP 2SC3381BL NPNX2 80V 100MA 2 10M1B 2SC3478 NPN 180V 100MA MPSA06 NPN 80V 500MA TO 92 25 1376 180 100 92 MPSA56 PNP 80V 500 92 2SC4793 NPN 200V 1 5A 2 10R1A 2SC5242 NPN 230V 15A 2 16C1A 2SA1837 PNP 200V 1 5A 2 10R1A 2SA1962 PNP 230V 15A 2 16C1A 1N755A ZENER 7 5V 500MW DO 35 1N747A ZENER 3 6V 5 400MW DO 35 1N5338B ZENER 5 1V 5W 1N965B ZENER 15V 5 500MW DO 35 1N4148 RECT FAST 200MA 100V 4NS DO 35 BAV20 DIODE RECT 200V MUR120 RECT FAST 1A 200V 25NS 59 04 MUR410 RECT FAST 4A 100V 1N
18. S CARBON FILM 10K OHM 1 8W 5 RES CARBON FILM 100K OHM 1 8W 5 RES CARBON FILM 150 OHM 1 8W 5 RES CARBON FILM 180 OHM 1 8W 5 RES CARBON FILM 22K OHM 1 8W 5 RES CARBON FILM 330 OHM 1 8W 5 RES CARBON FILM 3 3K OHM 1 8W 5 RES CARBON FILM 470 OHM 1 8W 5 RES CARBON FILM 4 7K OHM 1 8W 5 RES CARBON FILM 47K OHM 1 8W 5 RES CARBON FILM 560 OHM 1 8W 5 RES CARBON FILM 1 OHM 1 4W 5 RES CARBON FILM 2 7 OHM 1 4W 5 RES CARBON FILM 3 3 OHM 1 4W 5 RES CARBON FILM 470 OHM 1 4W 5 RES CARBON FILM 1 OHM 1W 5 RES WW 1 OHM 2W 5 RES METAL OXIDE 10 OHM 2W 5 RES METAL OXIDE 2 7K OHM 2W 5 RES WIRE WOUND 1 0 OHM 5W 10 RES METAL FILM 1 00K 1 8W 1 QTY 13 REF DESIG C12 13 15 C5 C8 17 18 23 30 C1 3 21 22 37 38 C39 40 41 45 C14 42 43 53 54 46 47 C44 C11 C24 25 R28 37 49 63 85 87 R41 46 R8 9 R4 25 42 45 47 67 81 2 R17 20 R55 R83 R84 R5 15 21 43 48 64 68 72 76 90 26 32 34 R3 24 81 R56 R39 40 50 54 R33 36 R86 R13 14 R52 53 R57 62 R73 74 R88 89 R75 R6 11 16 18 19 22 31 35 38 44 51 78 82 LVL PART 060 1213 0 060 1302 0 060 2003 0 060 4322 0 060 4530 0 060 6340 0 060 7501 0 070 0520 0 081 0032 0 081 0055 0 091 1001 0 092 0001 0 092 0066 0 092 0070 0 092 0082 0 093 0025 0 093 0051 0 093 1010 0 093 2005 0 094 0004 0 100 0105 0 105 0007 0 145 0104 F 153 0105 0 206 0105 F 001 1030 1 001 1042 0 010 1013 0 010 2010 0 01
19. Service Manual 1001 GALLIEN KRUEGER Table of Contents Operating Instructions 3 Turn On Calibration Procedure 19 Schematics 24 Bill of Materials 31 NOTE As of 1 99 there are no Engineering Change Orders ECOs to this model Any will be distributed as they are released 1001RB Series Owner s Manual 1001RB 210 1001RB 115 GALLIEN KRUEGER 5 gt 5 1001 Series Table Of Contents Introductionis Quick Sound Bi Amp and Normal Operation e 7 Safety 5 Installation and 9 Front Panel Controls Rear Panel Controls eee eee ee eese eese secees L 1001RB Series Combos eere eere 2 Fech iioii oo ois oo lS D mY LO All Features and specifications are subject to change without notice This list is subject to change without notice CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead The exclamation point within an s
20. amplifier outputs 3 Oscilloscope probe GND to 1 and to 1 of the Speakon connector 500W output Set the volts div to 20V and the time base to 1 ms 4 Turn bias pot R23 on the power amp board all the way down counter clockwise 5 Connect a DMM set to 20mV scale DC to the 2 pin BIAS header on the power amp 6 Setthe VOICING FILTERS and the main VOLUME to zero all other controls to 10 and all switches OUT 7 Set the function generator to output a 200 Hz 5mV 46 dBV sine wave 500 W POWER AMP BIAS AND OUTPUT TEST 1 2 3 4 5 6 7 8 9 1 With the amplifier power switch on slowly raise the Variac voltage to 60V the power LED should switch from RED to GREEN Observe the ammeter for excessive current draw idle current should not exceed 2A Raise the Variac to 120V Adjust trim pot R23 to obtain a steady 5mV reading on the DMM Connect the 500W amp output to a 4 ohm load Connect the function generator to the INPUT jack of the amplifier Raise the main VOLUME for slight clipping on the output approximately 45Vrms Press the 10 dB switch IN The output should drop to approximately 17Vrms Press the 10 dB switch OUT Turn the BOOST to zero Output should be 5Vrms Turn the WOOFER MASTER to zero output should be 0 volts 0 Turn the main VOLUME back down to zero 50 W POWER AMP OUTPUT TEST OU Connect the 50w amp output 2 and 2 of the Speakon connector to an 8 ohm load Connect scope p
21. d in conjunction with the input pad to optimize the amplifier s headroom 7 Voicing Filters String Bass Setting this button voices the pre amp for basses with B tuning Leave it out and the amp is voiced like the 800RB for 4 string basses Contour Drops the mid range frequencies while boosting lows amp highs Presence Adds edge and definition to higher frequencies Active Equalization 8 Treble Boost and cut at 7 kHz 15dB shelving type Add or remove edge and definition 10 9 High Mid Boost and cut at 1 kHz 10dB Q Optimized band pass type Works on lower string harmonics and effects the punch of your sound 10 Low Mid Boost and cut at 250Hz 10dB Q Optimized band pass type Works on the main body of your sound 11 Bass Boost and cut at 60Hz 10dB shelving type Controls low end push 12 Boost A post EQ gain stage using GIVE technology which adds growl as it is turned up 13 Tweeter Master Controls output level to tweeter 14 Tweeter Hi Cut Cuts frequencies above 10kHz producing a more cone like sound from the tweeter 15 Woofer Master Controls output level of 540W amplifier For Bi Amp operation this controls the woofer level 16 Woofer X Over Set this button to engage the electronic crossover for the woofer The tweeter is always crossed over 17 Effects Loop Send and return jacks provided for the insertion of effects after the EQ but before
22. d to fine tune your sound When adjusting it do it just a little at a time These are active circuits and small changes can make a big difference in your sound With a little experimentation you will find that this equalizer is very easy to use never sounds weird and provides you with a large variety of great sounds unique to GK Contour Increasing the Contour level will scoop out mid range frequencies while boosting the highs and lows The sound once again is unique to GK and unavailable on any other Bass amp String Bass The way a Bass amp deals with the instrument low string is a critical part of its sound In fact a five string instrument requires an entirely different low end re sponse than a four string instrument No equalizer can make the necessary adjustments to accommodate both However the String Dass button on the 1001RB Series does just that When it is the 1001 is voiced like the 800RB the world s classic four string amp Push it in and 1001RB is voiced for five string instruments For some playing styles you may want it in even with a four string instrument Boost Master Turning up the Boost control will add a little growl to your tone This is an unmistakable GK trade mark sound that you will grow to appreciate Raising the Boost while lowering the Master will add more growl while keeping the sound level the same Growl is actually a small amount of even order harmonic distor tion tha
23. dance 1M Ohm Send output impedance 220 Ohm Return input impedance 50k Ohm Tuner Output Impedance 10k Ohm Direct Output Impedance 500 Ohms Equalizer Bass 10db 60Hz Lo Mid 6db 10db 250Hz Hi Mid 6db 10db 1kHz Treble 14db 7kHz Voicing Filters String Bass Button 11db 20Hz Contour 2db 50Hz 10db 500Hz 3db 7kHz Presence 9db 10kHz Crossover Triple pole constant voltage crossover at 5kHz Noise 90db referenced to 540W weighted W Li SEND 5KHZ SEAMLESS LO X OVER A V Boost RETURN TWEETER ALWAYS TWEETER CROSSED OVER gt TWEETER HI CUT HI WOOFER MASTER AO WOOFER BOOST GAIN CROSS OVER 1 4PHONE SPEAKON OUTPUTS Continuously Variable Speed Fan Cooling Amplifier Protection Full short circuit thermal amp RF protection Stable into reactive and mismatched loads Five second muted warm up Dimensions HxWxD 5 1 2 x 17 2 Rack Spaces Weight 1815 Power Requirements 120V 60Hz 880W full power 165W average power U S A Canada Europe 230V 50Hz 880W full power 165W average power Japan 100V 50Hz 880W full power 165W average power lt lt GALLIEN KHUEGEH 1001RB Series Owner s Manual Part 160 0030 A Prnted inthe U S A 1001RB BI AMP BASS AMPLIFIER TURN ON PROCEDURE SETUP 1 Variac on zero 2 cover of amplifier removed for easy access to the
24. e that there is sufficient air movement within the enclosure to allow proper cooling Consult your dealer for more information e Avoid installation in extremely hot or cold locations and areas that are exposed to direct sunlight or near heating equipment e Avoid moist or humid locations e Remember power amplifiers generate heat The heat sink fins and ventilation slots that form part of the enclosure are specially designed to remove this heat Placing other electronic equipment near these heat dissipation systems may possibly affect the long term reliability of both your amplifier and the other equipment Moving the Unit Before moving the unit be certain to disconnect any interconnection cords with other components and make sure that you disconnect the unit from the AC outlet Cleaning When the unit gets dirty wipe it with a clean soft and dry cloth If necessary first wipe the surface with a soft cloth slightly dampened with mild soapy water followed by a fresh cloth with clean water Wipe immediately with a dry cloth Never use benzene thinner alcohol or other volatile cleaning agents Do not use abrasive cleaners as they may damage the finish of metal parts Avoid spraying insecticides near the unit Maintenance Your new amplifier is rugged It was built to give you a lifetime of trouble free operation if it is operated in accordance with the instructions contained in this manual The only maintenance r
25. entirely new territory of Bass sound In addition running high power amplifiers like the 1001RB Full Range into cabinets with passively crossed over horns can cause failure to the horn attenuator or protection elements in the speaker cabinet Running high power amplifiers as Bi Amp rigs eliminates these problems 1001RB Series Tech Talk Electronic Crossover Bi Amp systems allow the crossover to be electronic and therefore have much higher quality than passive cross overs crossover separates the sound into two parts high and low frequency The highs are sent to the horn or high frequency cabinet and the lows are sent to the woofer In an ideal system adding the highs and the lows back together would recover the original signal Most passive Bass systems have very poor crossovers resulting in severe signal corruption When these signals are added back together as in your ear they have very little in common with the original signal The 1001RB Series uses a Constant Voltage crossover which results in very little signal corruption In fact when the high and low signals are added back together the result is extremely close to the original This makes a two way system sound more seamless and less artificial We have also included a Tweeter Hi Cut switch in the crossover which rolls the tweeter off above 10kHz giving it a less glassy more cone like sound Equalization The sound you want is in your head but you j
26. equired is cleaning If you are going to move your amplifier around frequently we recommend a road case to protect it from scratches and road wear 3 S 5 gt lt S S ES 1001RB Series gt 000 0 0000 OOOH 42 8 Oooo VOLUME PUT MUTE INPUT 1098 TUNING PAD MUTE eX GALLIEN KRUEGER ACTIVE EQUALIZATION HI MID LOW MID 55 BOOST x ied et zo A ams 4 uL a ZW Y n n n 1 RS 7X ZN 7 WOOFER TREBLE BI AMP OUTPUT TWEETER WOOFER i nVav a CASAS MASTER X OvER RETURN TUNER 1001RB BI AMP BASS AMPLIFIER D E Front Panel Controls 1 Balanced Direct Out An electronically balanced output that you can run to your P A system 2 Pre Post EQ Button Selects the direct out signal from before or after the EQ 3 Direct Level Out Controls the level at the direct out jack 4 Input standard 4 input jack and input attenuator button The button is generally left out except in rare cases when the clip LED flashes 5 Tuning Mute Button Set this switch to when tuning up No signal will be sent to the speakers or the system 6 Volume Sets pre amp gain after the input stage It is use
27. es ETT EE 701 oud 9gz Q SS amm 4 2 0600 69__ Cj Got anv 9 0 00 S0 ON 8 ERA 98 3891530 43425415 3015 401 08 dNV 84001 NOILdly0S3d 49010NH231 1166 VO ISON NYS DD IMYA NO9VJYd 0966 8 00 900 4393n9x N3rTiv3 8 8 6 5855 2 BCE 0 8 3 2 8 2 55 ho On ECB 922 B 3 BCE if n d en 2240 PARAGON DRIVE Galle TECHNOLOGY SAN JOSE CA 95131 REV TITLE 1001 POWER AMP BD DATE 405 0030 C 145 0030 C 5030 Part No SIZE DRAWING NO APPROVALS DRAWN RG 2 11 99 DESIGNED RG 6 6 98 INIT RG 6 6 98 ELEC MECH 0 4 SIDE ROUTING GERBER FILE 07101 ho LAYER DESCRIPTION FILENAME RELEASED REV F p 55 o 29 oo amp ui olo Aa IlI 29 T 5810 os xg 8 4 ES 3 4 gt 5 Nee Us 5 Qe 4 N Ve 5 d x 0 g 3 S 3 J lt mje 5 SES B 2 zu 28 kale 5 ERE LL gt RES
28. hm horns on the 50W Amp 11 CAUTION UNDER NO CIRCUMSTANCES SHOULD THE 540W AMP AND THE 50W AMP BE CONNECTED TOGETHER OR BE CONNECTED TO THE SAME SPEAKER 5 S OS 7100 S 1001RB Series 1001RB Series Combos The 1001RB Series combos deliver the1001RB s unique features and distinct sound by using a variety of internal speaker configurations GK s RBH cabinet technology and a unique Lock N Roll transport system Speaker Configurations 1001RB 115 One 8 Ohm 15 speaker and one 8 Ohm horn 1001RB 210 Two 16 Ohm 10 speakers wired in parallel for an 8 Ohm equivalent load and one 8 Ohm horn The 1001RB combo electronics are identical to the1001RB head and are rated for the same maximum power output and speaker load 540W into 4 Ohms and 50W into 4 Ohms Maximum power is achieved by connecting one 8 Ohm extension cabinet such as the 210RBH 410RBH or 115RBH in addition to the combo s internal 8 Ohm speaker load To drive more than one extension cabinet the combo s internal speaker can be disconnected by unplugging the Speakon cable connected to the combo s back panel Below is a detailed description of the maxi mum loads the combos can drive Maximum recommended load with the internal speaker connected One 8 Ohm cabinet on the 540W Amp One 8 Ohm horn on the 50W Amp Maximum recommended load with the internal speaker disconnected One 4 Ohm or Tw
29. igned to deliver maximum performance and be simple to operate This is accomplished through a few very important features Extremely high current power supply and power amp circuitry gets the sound out of your head e Bi Amp sound two power amps 540 Watts for the woofer and 50 Watts for the horn Electronic crossover seamless two way sound Bass Specific bands of active equalization for precise tone control Three voicing filters for shaping customizing your Sound Balanced direct output with level control eliminates need for a direct box Continuously variable fan cooling Designed Built in U S for years of reliability and quality service Current Output amp Bass Response When a power amplifier is pushing several speaker cones and a high power transient like a string slap comes along the amp has to tap into a large power reserve to maintain cone control It s kind of like grabbing a swing at the bottom of it s travel and trying to push it the other way it could knock you over If the amplifier doesn t have this ability the sound is unresponsive and less out front The amp loses it s punch and feel at higher playing levels Instead of responding to your every command the amplifier simply cuts those transients off leaving you with the feeling that something is missing in your sound Since most amplifiers have limited output current capacity they need current limit
30. ing circuits to protect against self destruction High power tran sients trigger these circuits which rob the amplifier of it s ability to control speaker cones This creates a mushy unresponsive feel to your sound The 1001RB Series has extremely high current capacity so it doesn t need current limiting circuits for over load protection 13 There is nothing in the 1001RB Series power amp to come between you and your sound except faithful raw power Bi Amp Sound Bass players have always liked the growl they get from slight overdrive In GK amps this comes partly from the boost circuits and partly from the power amp The problem is that growl sounds great through woofers and horrible through horns In the typical full range system with a passive crossover there is no way to get growl and keep the definition that the horn provides The horn always has to be turned down In a Bi Amp system like the 1001RB Series the woofer and the horn each have their own power amp allowing us to get growl in the woofer only while keeping the horn sound crystal clear Now you can over drive the woofer as much as you want and leave the horn all the way up keeping the definition it brings to your sound Running the 1001RB Series in Amp mode through a GK RBH cabinet for the first time allows full access to the benefits of Bi Amp sound This is the reason the 1001 Series is a Bi Amp and it is the reason you will be able to explore an
31. ing the unit into a wall outlet Verify AC Circuit Capacity Before Use The high power output of your amplifier may require heavy current draw under Full Load conditions To insure proper performance and avoid potential safety hazards we recommend connection to line circuits with Amperage specified as above Connecting multiple amplifiers to the same circuit or connecting the ampli fier to the same circuit used by other heavy power devices such as high wattage lights may cause circuit breakers to trip It is always a good idea to avoid using any audio equipment on the same AC circuit as equip ment with motors such as air conditioners or refrigera tors This will lessen to possibility of power variation and electrical start up noise affecting your sound Do Not Use Extension Cords To avoid safety hazards use only the power cord supplied with your unit If a replacement cord is used make certain that it is of consistent quality and gauge as the original We do not recommend using extension cords with this product As with all electrical devices do not run power cords under rugs or carpets or place heavy objects on them Damaged power cords should be replaced immediately with cords meeting factory specifi cations Handle The AC Power Cord Gently When disconnecting the power cord from an AC outlet always pull the plug never pull the cord If you do not intend to use the amplifier for a considerable length of time discon
32. ion The 1001RB s unique design makes setup for Bi Amp or normal configuations simple The operational mode is configured by how you connect your speaker cabinets In addition you have the option of driving one cabinet in Bi Amp and one in Normal operation 1001RB setup up for Bi Amp Operation TWEETER HI CUT WOOFER MASTER HI 5 KHZ SEAMLESS LO X OVER O WOOFER CROSS OVER BOOST GAIN 1001RB setup up for Normal Operation WOOFER MASTER 1001RB setup up for Bi Amp Operation The Bi Amp feature of the 1001RB series is automatically engaged when you connect an RBH series cabinet with switch on the cabinet set to Bi Amp to the 1001 RB with the supplied 4 conductor Speakon cable This setup gives the 1001RB complete control of the tweeter and woofer signals sent to your rig Now you can push the woofers to the max while the tweeter remains clean crisp and free of clipping distortion In addition a smooth tight tone is easily dialed in by adjusting the Tweeter and Woofer Master controls on the 1001RB front panel Note In the Bi Amp configuration we recommend starting with the Woofer X Over and Tweeter Hi Cut controls in GK Speakon Cable GK RBH Series Cabinet 1 540W Amp 410RBH 210RBH 540W Amp 115RBH Set to Bi Amp mode 2 540W Amp 2 540W Amp PASSIVE X OVER 1001RB setup up for Normal Operation The 1001RB series amplifier is configured for normal o
33. is is desireable Caution Do not connect Speakon cable labeled Bridge Mode to the 1001RB This may result in damage to the ampli fier Then Set all the voicing filters EQ controls and the Boost control to 12 o clock Set the Woofer Master to 3 O Clock the tweeter to 12 O clock and the volume to 0 If you have a five string bass push the button marked String Bass in Next Using an instrument cable connect your bass to the Input jack and turn the power switch on and play If the input clipping LED flashes push the button marked 10db in This will prevent you from overdriving the preamp If you have a bass with passive electronics make sure the controls are all the way up If you have a bass with active electronics turn all of the EQ controls on the bass to the middle or flat position Now Slowly bring the Volume up You should be hearing your bass quite well Your amplifier and instrument are currently set in their nominal position From this point further adjustment may be required to accomodate your particular instrument cabinet and playing styles If you are using and RBH Bi Amp cabinet you may want to adjust the tweeter control for balance first y S lt lt S E 1d Tips 1001RB Series Sound Tips The1001RB Series has several unique features which if used properly will obtain that sound you have been searching for The Equalizer The Equalizer is use
34. isten for any unusual noise there should be no pops or crackling sounds Connect an AC voltmeter set to 1V scale to the 500W amp output noise level 400mV Set the VOICING FILTERS to zero the noise level should be 400mV Turn the BOOST to zero the noise level should be lt 40mV Turn the VOLUME to zero the noise level should be 40mV Peu EA END OF PROCEDURE 700RB WAVEFORMS 200Hz square wave at 46 dBV 5 mVrms input VOICING FILTERS at 0 all other knobs at 12 o clock halfway Look at output with scope set on 1ms div and 2V div 1 5 Fig 1 Tones center filters off Fig 2 String Bass IN Fig 3 Contour on 10 Fig 4 Presence on 10 Fig 5 Treble on 10 Fig 6 Treble on 0 700 WAVEFORMS 200Hz square wave at 46 dBV 5 mVrms input VOICING FILTERS at 0 all other knobs at 12 o clock halfway Look at output with scope set on 1ms div and 2V div 115 Fig 7 Hi mid on 10 Fig 8 Hi mid on 0 Fig 9 Low mid on 10 ig 10 Low mid on 0 e ig 11 Bass on 10 Fig 12 Bass on 0 A AZ A 200Hz square wave at 46 dBV 5 mVrms input VOICING FILTERS at 0 all other knobs at 12 o clock halfway Look at output with scope set on 1ms div and 2V div Fig 13 Woofer X over IN 14 Tweeter output 10kHz square wave Fig 15 Tweeter Hi cut IN change scope Time base to 20us t 40 A3 14019
35. l need to use the four conductor Speakon cable provided with the 1001RB head and included with the combos for connection to the internal speaker to connect to a GK RBH Series cabinet This specially designed cable carries the signals for both amplifiers 540W Woofer Amp and 50W Tweeter Amp to the speaker cabinet Plus they are the coolest speaker connectors currently available Below is a table describing the Speakon cable connections to the 1001RB head and combos Speakon Pin Signal WireColor 1 540W Woofer White 1 540W Woofer Black 2 50W Tweeter Amp Red 2 50W Tweeter Green To obtain an additional 4 conductor Speakon cable for use with the 1001RB please contact your local dealer or contact GK directly In Closing You should now have a thorough understanding of how your new 1001RB Series amplifier works and what advantages it can offer you in getting your sound We thank you for reading the Owner s Manual and wish you the best of times Please send us your comments via www gallien krueger com or email us at sales gallien com 1001 Series Block Diagram CLIP INPUT DIRECTOUT MUTE VOLUME GND r LIFT o PRE POST 1001RB Series Specifications Output Power 540W Amplifier 540W 8 Ohms 540W 4 Ohms 50W Amplifier 50W 8 Ohms 50W 4 Ohms Input Section Maximum Input Level 0 6V Rms With 10dB pad 1 6V Rms Input Impe
36. nect the plug from the AC outlet Do Not Open The Amplifier Enclosure There are no user serviceable components inside this product Opening the amplifier enclosure may present a shock hazard and modification to the product will void your warranty If liquid enters the unit or any metal object such as a paper clip wire or staple accidentally falls inside the enclosure disconnect the unit from the AC power source immediately and consult an authorized service station Unpacking The carton and packing materials used in shipping your new amplifier were specially designed to cushion it from the shocks and vibration that occur during transport We suggest that you save the carton and packing materials for use in shipping in the event you move or the amplifier needs repair 1001 Series Installation and Maintenance Installation To insure proper operation and to avoid potential safety hazards place the unit on a firm level surface When installing the unit in a rack be sure the mounting hardware can support the amplifier s weight To save space in your rack the 1001RB s feet can be removed using a Philips head screwdriver Make certain Space is provided for ventilation The 1001RB Series requires at least 2 inch clearance above for proper ventilation Never block the fan vent holes in the top or front of the amplifier If the amplifier will be installed in a rack or other enclosed area make sur
37. o 8 Ohm cabinets on 540W Amp One or Two 8 Ohm horns on the 50W Amp 12 Lock Roll Transport System The Lock N Roll transport system is designed for quick and easy rolling of the combo on flat surfaces such as carpet flooring pavement etc To engage the Lock N Roll handle first move the combo into the upright position front perpendicular to the ground Next stand behind the cabinet and lift the Lock N Roll handle up with your right hand The handle will lock into place after about 1 1 2 feet Finally grab the handle and tilt towards the back of the combo The wheels on the bottom of the cabinet will automatically engage and allow smooth rolling To disengage the Lock Roll system first return the combo to its upright position and stand behind the unit Next with your left hand pull the locking latch at the base of the handle to your left while pushing the handle down gently with your right hand Finally push the handle down until it stops and is flush with the top of the combo The 1001RB Series combos are designed for maximum setup versatility to accommodate a variety of playing situations For practicing and close monitoring situations tilt the cabinet back into its Rock Back position For stronger bass and audience projection leave the combo in the upright position 1001 Series Tech Talk Characteristics of the 1001RB The1001RB Series is a flexible state of the art Bass Amplifier des
38. peration when you are connecting to any cabinet with a 2 conductor Speakon cable 1 4 to 1 4 speaker cable or 1 4 to banana plug speaker cable In this setup the speaker cabinet is driven by the 540W amp and the 50W tweeter amplifier is not used If you are using RBH series cabinets the volume of the tweeter relative to the woofer s volume can be adjusted using the Horn Level control of the cabinet s internal cross over GK RBH Series Cabinet 410RBH 210RBH 115RBH Set to Full Range mode GK Speakon Cable 1 540W Amp 1 540W 14 Speaker Cable Tip 540W Amp Shield 540W Amp Any brand name cabinet with appropriate impedance and power rating I S S 5 S SS 5 ES E 5 E amp gt 55 1001RB Series Safety Information Verify Line Voltage and Amperage Before Use Your new 1001RB Series Bass Amp has been factory configured for use with e 120 Volt 60Hz 20 Amp circuit for USA amp Canada e 230 Volt 50Hz 10 Amp circuit for Europe amp Australia 100 Volt 50Hz 20 Amp circuit for Japan e Proper AC circuit for all other countries Connecting the amplifier to a line with specifications other than indicated above can create a safety and fire hazard and may damage the amplifier If you have any questions about the voltage requirements for your specific model or about the line voltage in your area contact your dealer before plugg
39. robe GND to 2 and to 2 of the Speakon connector Change the function generator frequency to 10 kHz Turn the BOOST to 10 Raise the main VOLUME to obtain slight clipping on the output approx 25Vrms Turn the TWEETER volume to zero the output should be 0 volts TONES AND FILTERS TEST Set the VOICING FILTERS to zero all other controls to the center 12 o clock and all switches out Connect the scope to the 500W amp output Set the volts div to 2V and the time base to 1ms Set the function generator to a 200 Hz square wave at 5mVrms 46 dBV Turn the CONTOUR to 10 and compare the output to Figure 3 on the waveforms page Turn the CONTOUR back to zero Turn the PRESENCE to 10 and compare the output to Figure 4 Turn the PRESENCE back to zero One at a time turn each ACTIVE EQ knob all the way up and all the way down and compare the output to the corresponding figures on the waveforms page Remember to reset each knob to its center 12 o clock position before proceeding to the next tone control Move the scope probe to the 50w amp output 2 and 2 of the Speakon connector and change the time base setting to 20 uS Change the function generator frequency to 10 kHz to test the TWEETER HI CUT crossover function 1001RB BI AMP BASS AMPLIFIER TURN ON PROCEDURE NOISE TEST Remove the function generator from the INPUT jack Connect a speaker to the 500W amp output jack Turn all knobs to 10 and leave all switches out L
40. t sounds great through a woofer but horrible through a horn see Bi Amp solution below For most playing situations the Master is set between 12 amp 3 o clock The cleanest sound is obtained by setting the Master above 12 o clock and going above 3 o clock for maximum power situations Direct Out The 1001RB provides a low noise high quality balanced direct out for connection to PA and recording consoles With Pre Post EQ switch set to Pre Out the direct output signal is fed directly from our low noise high headroom FET input stage providing a low noise output superior to external direct boxes and impedance trans formers In addition this output is calibrated for 1 0V 0 dBV output and can be adjusted to unity gain instru ment level by adjusting the Level control to 15 dB U With the switch in the Pre position the Direct Output signal is only effected by the Level 10dB Pad and Tuning Mute controls This allows you to adjust your tone and volume on stage without changing the Direct Output signal level and confusing your sound man Changing the Pre Post EQ switch to Post In sends the GK sound and preamp response to the Direct Out jack This gives you complete control over the Direct Out s tone and volume In addition a Ground Gnd Lift switch is included to remove hum and buzz when connecting to equipment powered by a different ground system 1001 Series Bi Amp Normal Operat
41. the boost section Some effect units have gain turning the BOOST down will compensate for this 18 Tuner Output Output to tuner 19 Power Switch Turns the amplifier on or off Should a problem occur during operation press this switch first 1001 Series SAUNON NRTUC 18110409 c E65 016500 USA IEC65 EUROPE SPEAKON OUTPUTS 41916 540 aur 540W AMP Rear Panel Controls 1 AC Receptacle The power cord is detachable and plugs in here 2 540W Amp Only 540W power amp output for Full Range operation only They deliver 540 watts into 4 Ohms Lower impedances should not be used Each jack has a minimum of 8 Ohms each Higher impedances such as 8 Ohms 16 Ohms or No Load are acceptable No damage will result from operating the amplifier with the speakers disconnected 3 Speakon Outputs Enables BI AMP operation by connecting a GK RBH Series cabinet with the provided 4 conductor Speakon cable This connects the 50W amplifier allowing the Tweeter control on the front panel to control the signal going to the horn See Bi Amp and Normal Operation on page 7 for more information Caution Do not connect a Speakon cable labeled Bridge Mode to the 1001RB This may result in damage to the amplifier Maximum Recommended Load One 4 Ohm or two 8 Ohm cabinets on the 540W Amp One or two 8 O
42. the fan is off or running at a low speed reducing fan noise As the amp works harder the fan speed increases to keep everything cool Smart Protection Circuitry The 1001RB s protection circuitry constantly monitors for unsafe operating conditions such as short circuits miss wired speaker cables blown speakers improper ventila tion and incorrect speaker configurations In addition protection is provided during power up down If the 1001RB senses any unsafe operating conditions the output signal is immediately muted and the power light changes to from Green to Red The amplifier will remain muted until the fault is removed If the protection circuit activates while playing turn the amplifier off and check the amplifier speaker output connections Be sure that you are not exceeding the maximum recommend load described in this manual Also check to see that you have connected the amplifier to your speakers as described in Bi Amp and Normal Operation on page 7 If the problem persists contact GK directly for advice Low Noise Operation The 1001RB Series uses a high gain high headroom low noise input stage It has such a large dynamic range 60v p p that very few instruments can overdrive it Even most basses with active electronics do not need the input attenuator to be set The benefit to you is less hiss from your horn and over all much less noise Speakon Cables To make use of the 1001RB s Bi Amp feature you wil
43. ust can t get it You think it s you your bass or maybe your amp Yes your amp Standard tone controls and graphic equalizers don t get it Sure they give you plenty of variation but they don t provide what the instrument really needs The fact is graphic equalizers are intended for room equaliza tion and are only put in bass amps because it s a no brainer for the designer The equalization in Gallien Krueger amplifiers reflects 30 years of continuous development and refinement The GK equalizer is unique to the industry it s not just a normal four band equalizer each section is a special circuit optimized to perform a Bass specific job in its range of operation These sections are wired in Series so they add to one another creating a tremendously flexible equalizer that doesn t sound weird at any setting You actually might even get to hear that sound in your head 14 Voicing Filters Voicing filters are used to completely re voice the amplifier In the case of the Contour and String Bass controls the effect is dramatic The Contour control tunes between two different shaping circuits with greatly different response With the control all the way up the low end is slightly boosted the mids are dropped and the high end is pushed up This is a response contour not available with a normal equalizer and is only found in GK amplifiers The way a Bass amp deals with the instrument low string is a critical part
44. y we suggest you at least read through the Quick Start section before setting up your new rig This will help get you started and give you a few quick tips but is not a substitute for reading the rest of the manual Your amplifier should have come with the following items please check the contents of the box to ensure that you have everything Included with your 1001RB Head 1001RB Rack mount Ears with Hardware Power Cord 4 Conductor Speakon Cable Owner s Manual Warranty Card Safety Instructions Sheet e Included with your 1001RB Combo 1001RB 115 or 210 Power Cord Owner s Manual Warranty Card Safety Instructions Sheet pi If your 1001RB Series amplifier combo did not come with all the items listed above or if you encounter problems while setting up your new equipment please contact your local dealer or us as soon as possible at Gallien Kruger Inc 2240 Paragon Drive San Jose CA 95131 phone 408 441 7970 fax 408 441 8085 Internet www gallien krueger com Email sales We wish you a lifetime of good playing VOICING FILTER PRESENCE OUT PUT VOLUME p 0 aa Y 2 a A zd Wu m EN 1098 TUNING EN 00 OdBV PAD BASS FLAT A x GALLIEN KRUEGER gt WD fom T To gt pr N ams 9
45. ymbol within an equilateral triangle is equilateral triangle is intended to intended to alert the user to the alert the user to the presence of presence of uninsulated dangerous voltage important operating and within the product s enclosure that may be of maintenance servicing instructions sufficient magnitude to constitute a risk of in the literature accompanying the electric shock to persons appliance WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT ATTENTION POUR EVITER LES CHOCS ELECTRIQUES INRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND Gallien Krueger 2240 Paragon Dr San Jose CA 95131 phone 408 441 7970 408 441 8085 www gallien krueger com Email sales gallien com 1001 Series Congratulations Your purchase of a new Gallien Krueger 1001RB Series product is surely the result of much careful consideration on your part For our part we at Gallien Krueger are pleased that you chose us and are determined that you will be a satisfied customer In choosing a 1001RB Series product you own an amplifier with many unique features that can take you where you have never been before To get the most out of your new purchase please take a few minutes to read through this manual If you are in a hurr
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