Ampeg SVP-1500 Car Amplifier User Manual
Contents
1. Owner s Guide for the SVP 1500 Rack Mount Bass Power Amplifier wo ow 4d A A A A E E O ES ES A A ES A A A E SE E A ES A ES SS A E O E A A A A A ES E Ww W W W W W W W W W WW W WV W W W W W W WOW WO W WO W WO W WO WO WO WO WO WE WO NV WO NV WO WW WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO YD EL W W W W W W W W W WV W W W WV W W W W W W W WV W W W W W WV W W W W W W W WV W W W W W W W W Ww W Ww W W W Ww W eu Ww Ww Ww w w w Si E Ww W W W W W W W W W W W W W Ww W W W W W W W Ww W W Ww Ww W Ww W W W W W W W W Ww Ww Ww Ww Ww Ww W W Ww W W Ww Ww Ww W W Ww Ww W Ww W Ww Ww W Ww Ww Ww Ww Ww w w w ew p WO WO Ww WW WW W W W W W W W W W W W W W W W W W W W W W W W Ww W W W W WV W W W W W Ww Ww W Ww W W W Ww W W W W W W Ww Ww W W Ww Ww W Ww Ww Ww w w w w E W Ww W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W Ww W W W W W Ww W W W W W W W W W W W W W W W W W W W W W Ww W Ww Ww Ww w w SF p Ww Ww W W W W Ww W W W W W W VW W W W W W W W W W W Ww W W W W W W W W W W W W W W er W W W Ww W W W W W Ww W W W W Ww Ww W W Ww Ww W Ww Ww Ww Ww w w w E Ww Ww Ww W W W W W W W Eee Eee any oe WO2. jack is pro vided for Mono Bridged use The Speakon jacks are more reliable for extended use at high power levels and their use is always recommended over the 1 4 phone jacks On each channel the Channel A and B Speakon jacks are wired in parallel with the 1 4 phone jacks the tip of the 1 4 jack is connected to pin 1 of the Speakon jack and the sleeve is connected to pin 1 Use of both the 1 4 jack and the Speakon jacks simultaneously to connect two cabinets in parallel is possible providing proper polarity is observed The SVP 1500 s Mono Bridge middle Speakon jack is wired as follows Pins 1 and 1 Channel B and respectively pins 2 and 2 Channel A and respectively NOTE 1 4 jacks not available in some areas SVP 1500 Bass Amplifier ornata _ Installations Stereo Operation CHANNEL MONO BRIDGE CHANNEL B BIAMP A MADE IN THE U S A BY SLM ELECTRONICS 1400 FERGUSON AVE ST LOUIS MO 63133 THIS AMPLIFIER IS CLE u SPEAKER OUTPUTS OF PRODUCING HIGH SOUND PRESSUI 480W CHANNEL AT 4 OHMS LOW ELS CONTINUED EXPOSURE TO HIGH 780W CHANNEL AT 2 OHMS e CH BALANCED INPUTS PRESSURE LEVELS CAN CAUSE PERM 960W BRIDGE MONO AT 8 OHM 3 HEARING IMPAIRMENT OR LOSS USE zau 1560W BRIDGE MONO AT 4 OHV CHANNEL B CHANNEL A TION IS ADVISED AND EAR PROTECI LEVEL LEVEL RECOMMENDED WHEN PLAYING Al INPUT D INPU VOLUMES SEE OWNERS MANUAL s Right Left a P I B DO NOT OPEN
3. WO WO WO WO WO WO WO WO WO WO WO WE WO WO WO WO WO WO WO WO WO WO WO WS WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO Ww Ww wu E W W W W W WW W WW W WW Ww WW W WW W WW Ww WW W WWW WW Ww WW W WWW WW WOW W W Ww W W W W W Ww W Ww W W W Ww W W Ww Ww W Ww Ww Ww Ww w w w E Ww Ww W W W W W W W Ww W W W W W W W W W W W W W W W W W W W W W W W Ww W Ww W Ww W W W W W W W W Ww W W Ww W W W Ww W W W Ww W W W Ww W Ww Ww w w w w we p W W W W W W W W W W W W W VW W W W ee W W W W W Ww ery W Ww W W W W W W W W W Ww W W W Ww W Ww W W W W W Ww W W W W VW Ww er W Ww W Ww Ww Ww Ww w w w E W W WO W W W W WO W WO W WW W WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WE WE WEN WE NW NE WE NEW WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO WO Ww wu p W Ww WOW W W W W W W W W W WV W W W W W W W W W W W W W WV W W W W W W W WV W W W W W W W W W W W W Ww W Ww W Ww W W W W Ww W W Ww W Ww Ww Ww Ww w w w SF E Ww W W W W W W W W W W W W W Ww W W W W W W W Ww W Ww W Ww W W W Ww W W W W Ww Ww Ww Ww W Ww W Ww W W W W W Ww W Ww W W W Ww W Ww W W Ww Ww Ww Ww Ww Ww Ww w w w ew CHANNEL A CHANNEL B SIGNAL LIMI
4. TO PROVIDE SAFE AND RELIABLE OPERATION IN ORDER TO PROLONG THE LIFE OF THE UNIT AND PREVENT ACCIDENTAL DAMAGES OR INJURY PLEASE FOLLOW THESE PRECAUTIONARY GUIDELINES CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT OPEN CHASSIS DO NOT DEFEAT OR REMOVE THE GROUND PIN OF THE POWER CORD CONNECT ONLY TO A PROPERLY GROUNDED AC POWER OUTLET WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE CAUTION NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION OUR AMPLIFIERS ARE CAPABLE OF PRODUCING HIGH SOUND PRESSURE LEVELS CONTINUED EXPOSURE TO HIGH SOUND PRESSURE LEVELS CAN CAUSE PERMANENT HEARING IMPAIRMENT OR LOSS USER CAUTION IS ADVISED AND EAR PROTECTION IS REC OMMENDED IF UNIT IS OPERATED AT HIGH VOLUME EXPLANATION OF E DANCE D MET VOLTAGE IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL REFERREZ VOUS AU MANUAL D UTILISATION GRAPHICAL SYMBOLS ANGER HAUTE TENSION GEFAHLICHE SPANNUNG UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN SVP 1500 Bass Amplifier O E An Introduction to your new Ampeg SVP 1500 Rack Mount Bass Amplifier First of all thank you for choosing one of the finest rack mount bass amplifiers available the Ampeg SVP 1500 Your new bass amp offers you many outstanding features such as a rated output of up to 780 watts per channel into 2 ohms forced fan cooling and a highly advanced b
5. through the unit to keep it running cool even under extreme operating condi tions The air is drawn in through the unit s rear intake vent 11 and is forced out through the front panel exhaust vent This method of cooling draws air out from the interior of the rack and provides more efficient cool ing than methods which bring air in from the front and exhaust it through the back Keep this vent clear and free from obstruction at all times to insure proper cooling 2 SIGNAL INDICATOR LED This LED will illuminate when signal is detected at the amplifier s output ter minals providing accurate visual con firmation of signal presence often helpful in hookup and troubleshooting The level of the signal must be at about 5 of the amplifier s full rated output to make the LED glow 3 LIMIT INDICATOR LED The SVP 1500 employs an internal Automatic limit circuit to prevent amplifier clipping The Limit LED will illuminate whenever the input signal attempts to overdrive the amplifier s output section indicating that the Limiter has been called upon to pre vent clipping Not only does clipping CHANNEL B SIGNAL LIMIT PROTECT 2 3 4 produce harsh sounding distortion it is also capable of damaging speaker components particularly high fre quency drivers Periodic flashing of the Limit LED indicates operation at or near full output and is no cause for alarm Steady illumination of the LED indicates constant operati
6. 8 ohms SLEW RATE 30 volts microsecond stereo mode 60 volts microsecond mono mode SIGNAL TO NOISE RATIO Greater than 100dB from 230 watts 8 ohms INPUT TYPE AND IMPEDANCE Transformerless electronically balanced 20K actual load impedance Suitable for Low or High Z balanced line One 1 1 4 phone jack per channel INPUT SENSITIVITY 1 5 V RMS for 230 Watts 8 ohms LOAD IMPEDANCE Stereo Mode 2 ohms or greater Bridged Mono Mode 4 ohms or greater DAMPING FACTOR Typical 250 1kHz 8 ohms OUTPUT CONNECTIONS 1 4 phone jack plus Speakon jacks each channel Speakon jack for Mono Bridge Biamp PROTECTION CIRCUITRY Short circuit RF burnout overtemp turn on off transient and DC protection Speaker protection relays built in auto limiter Anti clip COOLING Forced air fan cooling rear intake front exhaust POWER REQUIREMENTS 115VAC 60Hz 880VA 100 110VAC 50 60Hz 880VA 230VAC 50 60Hz 880VA CIRCUIT BREAKER 10 amp mains SIZE AND WEIGHT 19 W x 5 25 H x 12 5 D 33 lbs 483mm x 133mm x 317mm 15Kg typical performance 20115 VAC 60Hz NOTE 1 4 jacks not available in some areas E7779 a ay Ampeg is proudly Made in America 1996 SLM Electronics 1400 Ferguson Avenue St Louis MO 63133 U S A P N 47 655 12 03 97 0 oV es
7. PUTS PRESSURE LEVELS CAN CAUSE PERMANENT W connectors HEARING IMPAIRMENT OR LOSS USER CAU CHANNEL B CHANNEL A TION IS ADVISED AND EAR PROTECTION IS LEVEL LEVEL or other RECOMMENDED WHEN PLAYING AT HIGH INPUT wt IN VOLUMES SEE OWNERS MANUAL YE F l d S adapters see cabinet s for pin configurations and other considerations S Fn STEREO MEN MONO MODE From STEREO From Crossover s Crossover s HIGH OUT LOW OUT HIGH CH A From Bridged Mono Biamp Speakon Jack To Biamp Input J Speakon Jack From CH B l 1 4 jack To HIGH IN HF cabinet LL oF To LOW IN LF Cabinet lt p cx cz ez cz ez From CH A 1 4 jack LOW CH B PINS 2 2 From Amp s gt Lm Bridged Mono x om PINS 1 1 Biamp Jack NOTE 1 4 jacks not available in some areas Technical Specifications POWER OUTPUTS per channel stereo mode 2 ch 20 20kHz 2chikHz 2ch 40Hz 1 cycle 1 ch 1 kHz 1 ch 40Hz 1 cycle 8 ohms 230 watts 260 watts 280 watts 295 watts 300 watts 4 ohms 425 watts 480 watts 500 watts 550 watts 2 ohms 560 watts 780 watts 750 watts 900 watts POWER OUTPUTS mono mode 20 20kHz 1kHz 40Hz 1 cycle 16 ohms 460 watts 520 watts 560 watts 8 ohms 850 watts 960 watts 4 ohms 1120 watts 1560 watts FREQUENCY RESPONSE 0 8dB 20Hz 20kHz 230 W channel 8 ohms TOTAL HARMONIC DISTORTION Less than 25 20Hz 20kHz 2230 W channel
8. T PROTECT SIGNAL LIMIT PROTECT Made in the U S A O ALrza paez 5yp 1500 Bass Amplifier Table of Contents Important Safeguards and Precautions Introduction Features System Block Diagram The Front Panel The Rear Panel Operation Stereo Bridged Mono Parallel Mono Modes Input Output Connectors Installations Stereo Bridged Mono Biamp Technical Specifications Important Safeguards and Precautions All Ampeg products are designed for continuous safe operation as long as common sense is used and steps are taken to help avoid certain problems Abiding by the following rules can help prevent damage to your amplifier yourself and others The amplifier is equipped with a three pronged AC power cord To reduce the risk of electrical shock NEVER remove or oth erwise attempt to defeat the ground pin of the power cord Connect the amplifier ONLY to a properly grounded AC outlet of the proper voltage for your amp Avoid sudden temperature extremes rain and moisture Also avoid sudden and intense impact If the unit has been subjected to any of the preceding abuses have it looked at by an authorized service center NEVER set the amplifier on a support that might give out under its weight Always keep the total speaker impedance at or above the rated load Unplug the amplifier before cleaning it NEVER spray liquid cleaners onto the amplifier Wipe it with a slightly dampened lint free cloth to remove dirt and fi
9. ch channel operates independently and has its own input connectors sensitivity level controls sig nal indicator LEDS automatic limiter fault protection circuitry power amp and speaker outputs In the Stereo Mode the Mono Stereo switch 14 on the rear panel must be in the our position Connections to your speakers can be made with either the 1 4 jacks or the Channel A and B Speakon jacks or both since they are wired in parallel See the illustration labeled Stereo Operation on the facing page Bridged Mono Mode The two power amplifiers can be bridged together to form a single higher powered amp In the Bridged Mono Mode the amplifier uses Channel A s input jacks and Sensitivity control Channel B s are disconnected Channel B s power amp receives its signal from a tap after Channel A s Sensitivity control but prior to Channel B s Limiter so each channel is independently protected To select the Mono Mode the Mono Stereo switch 14 on the rear panel must be in the IN position Because both channels are being used bridged in series the minimum speak er load impedance must be 4 ohms Connections to your speakers must be made with the Mono Bridge middle Speakon jack See the illustration labeled Bridged Mono Mode Operation on the facing page Biamp Mode The SVP 1500 can be used to separately power the lows and highs of a cabinet with biamp inputs or a separate low and high frequency cabinet For Biamp Opera
10. e a 7 N 7 5 Cabinet Cabinet WARNING e on CHAMNEL CHANEL sr mm MONO AMI IS Risauk DE CHOC ELECTRIQUE NE PAS E vain TT From Speakon Jacks 4 i STEREO From From Preamp s Preamp s am a Right Out Left Out From 1 4 Jacks Na d EA cd Bridged Mono Mode Operation SPEAKON WIRING STANDARD CH A OR B High Power As pus Cabinet m MADE IN THE U S A BY SLM ELECTRONICS 1400 FERGUSON AVE ST LOUIS MO 63133 WARNING THIS AMPLIFIER IS CAPABLE OF PRODUCING HIGH SOUND PRESSURE LEV A ELS CONTINUED EXPOSURE TO HIGH SOUND i CH BALANCED INPUTS PRESSURE LEVELS CAN CAUSE PERMANENT W z HEARING IMPAIRMENT OR LOSS USER CAU CHANNEL B CHANNEL A TION IS ADVISED AND EAR PROTECTION IS LEVEL LEVEL RECOMMENDED WHEN PLAYING AT HIGH INPUT 5 MOM VOLUMES SEE OWNERS MANUAL FR Z q FI amp j S STEREO ME m MONO MODE MONO From Preamp s Main Out WARNING Due to higher power output per speaker use caution in setting levels From Bridged Mono Biamp Speakon Jack Biamp Operation SPEAKON WIRING STANDARD CH A OR B Biamp Cabinet or pS pus Low and High Cabinets m MADE IN THE U S A M a BY SLM ELECTRONICS 1400 FERGUSON AVE ST LOUIS MO 63133 requi re WARNING THIS AMPLIFIER IS CAPABLE ta il OF PRODUCING HIGH SOUND PRESSURE LEV o p g ELS CONTINUED EXPOSURE TO HIGH SOUND 1 ea BALANCED IN
11. eck the circuit breaker If it has opened the button will be protruding and showing a contrasting color You may reset it by pressing the button in until it latch es he circuit breaker must cool down for a short time before the but ton will latch If the circuit breaker opens repeatedly with no signal input have the amplifier checked by a qual ified service person 7 POWER SWITCH This switch turns the amplifier On in the Up posi tion and Off in the down position When AC power is applied to the amplifier the Power LED indicator 5 will illuminate SVP 1500 Bass Amplifier O EL The Rear Panel MADE IN THE U S A BY SLM ELECTRONICS 1400 FERGUSON AVE ST LOUIS MO 63133 SPEAKON WIRING STANDARD SPEAKER OUTPUTS 480W CHANNEL AT 4 OHMS 780W CHANNEL AT 2 OHMS 960W BRIDGE MONO AT 8 OHMS 1560W BRIDGE MONO AT 4 OHMS RECOMMENDED WHEN PLAYING AT HIGH VOLUMES SEE OWNERS MANUAL 8 POWER CORD This heavy duty power cord must be connected to a grounded AC outlet of the proper volt age for the amplifier to operate IN ORDER TO AVOID THE POSSIBILI TY OF ELECTRIC SHOCK DO NOT REMOVE OR BYPASS THE GROUND PRONG OF THE POWER CORD 9 SPEAKON JACKS These heavy duty output jacks offer an excellent method of connecting the amplifier to your speakers using cables terminat ed with Speakon type plugs Use of these connectors is highly recom mended under high power operation When using the amplifi
12. er in the Mono Mode you MUST use the middle Speakon jack Please refer to pages 6 and 7 for more information 10 1 4 PHONE JACK OUTPUTS These additional output jacks offer an alternative method of connecting to your speakers using cables terminat ed with 1 4 phone plugs Since these jacks are not as well suited to high current applications as the Speakon jacks they are NOT recommended for extended use at high power levels or when driving 2 or 4 ohm loads NOTE In some areas 1 4 jacks are not acceptable for use on amplifiers capa ble of high output power levels For this reason the 1 4 jacks on your amplifier may be sealed use ONLY the Speakon jacks for connecting your speakers CHAMINEL CHAIBNEL 10 10 11 FAN INTAKE AREA The internal cooling fan is mounted directly behind this cover drawing cooling air into the amplifier to help prevent it from run ning hot This area must be kept free from obstruction Check the Intake Area periodically and remove any for eign materials if needed 12 1 4 PHONE JACK INPUTS These jacks accept line level signal sources by means of cables fitted with Standard 1 4 phone plugs Low impedance balanced or unbalanced as well as high impedance sources are acceptable for these inputs Low impedance balanced inputs are to be wired as follows Tip Signal Ring Signal Sleeve Ground The input channel circuitry is trans formerless electronically bala
13. lm Don t use the amplifier if it has sustained damage to the chassis controls or power cord Refer the unit to an authorized ser vice center for inspection Amplifiers capable of producing high volume levels are also capable of inflicting permanent hearing loss or damage if the expo sure to such levels is prolonged Such damage is progressive and irreversible The chart below shows the U S Government Occupational Safety and Health Administration OSHA regulations which were in effect at the time of this publication for permissible noise exposure per 22CRF1910 Table G 16 SOUND LEVEL dBA DURATION PER DAY SOUND LEVEL dBA DURATION PER DAY SLOW RESPONSE IN HOURS SLOW RESPONSE IN HOURS 1 1 2 1 1 2 1 4 or less According to OSHA any exposure in excess of those listed above could result in some hearing loss l a Ee CAUTION Fur ATTENTION Ez VORSICHT CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK ATTENTION POUR REDUIRE D ELECTROCUTION NE PAS VORSICHT ZUR MINIMIERUNG ELEKTRISCHER SCHLAGGEFAHR NICHT DO NOT REMOVE COVER ENLEVER LE COUVERCLE AUCUNE PIECE INTERNE N EST REPRABLE DEN DECKEL ABENHMEN INTERNE TEILE KONNEN NICHT VOM NO USER SERVICEABLE PARTS INSIDE PAR L UTILISATEUR POUR TOUTE REPARATION S ADRESSER A UN BENUTZER GEWARTET WERDEN DIE WARTUNG IS QUALIFIZIERTEM REFER SERVICING TO QUALIFIED SERVICE PERSONNEL TECHNICIEN QUALIFIE WARTUNGSPERSONAL ZU UBERLASSEN THIS EQUIPMENT HAS BEEN DESIGNED AND ENGINEERED
14. nced and requires a line level signal of 1 5V RMS or greater to drive the amplifier to full output In the Mono Mode use the Channel A input jack 13 LEVEL CONTROLS These rotary potentiometers control the level or gain of each channel with the fully clockwise position of each providing maximum sensitivity Normal calibra tion of the SVP 1500 to a mixer would CH A OR B NESUP 1500 AL SVP1500U12B WATTS 1500 MAX BALANCED INPUTS CHANNEL B CHANNEL A LEVEL LEVEL INPUT wat INPUT 2 f i f e e B e 4 B e STEREO MONO A E l 12 131413 12 cause the Limit LED to flash at the same time that the mixer s VU meters indicate full output or OVU In the Mono Mode use the Channel A Level control 14 MONO STEREO MODE SWITCH This push push switch selects the operating mode of the amplifier In the out position the amplifier is in the Stereo Mode with the switch in the in position the amplifier is in the Mono Mode In the Mono Mode Channel A functions as the input channel Channel B inputs will be dis connected NOTE Caution should be exer cised Improper hookup or mis use of the Mode switch could cause damage to speakers See the specific hookup configura tions on pages 6 and 7 SVP 1500 Bass Amplifier Operation Stereo Mode The SVP 1500 can be used in the Stereo Mode as two separate amplifier units each capable of driving loads down to 2 ohms Ea
15. on of the Limiter with the possibility that the input signal should be reduced by means of the Sensitivity control 13 The Limiter within the SVP 1500 is fully automatic with no defeat switch insuring complete protection against clipping at all times 4 PROTECT INDICATOR LED This LED will illuminate whenever the inter nal protection relay on either channel is activated indicating the possibility of overheating DC voltage at the outputs overloads or short circuits The protec tion relay is activated for a short period upon initial turn on and at turn off to prevent transient spikes from being reproduced through your speakers If the limit and protect indicators for a channel cycle on and off with a signal applied this indicates the presence of a short circuit or load impedance less than 2 ohms on the output of that chan nel less than 4 ohms in the bridged mono mode In this case check all wiring for shorts check the total con nected load impedance to be sure it is not below the amplifier ratings or check for other potential problems 5 POWER INDICATOR LED This LED will illuminate when AC power is applied by means of the Power switch 7 If the LED fails to illuminate check the AC outlet or the circuit breaker on the front panel 6 6 RESET SWITCH The SVP 1500 employs an AC line circuit breaker to help protect against damages due to excessive current demands If the amplifier does not function ch
16. tion the Mono Stereo switch 14 on the rear panel must be in the ouT stereo position Connections to your speakers can be made with either the 1 4 jacks of the Mono Bridge middle Speakon jack We suggest using Channel A for the low frequencies and Channel B for the highs When using a single cabinet with a Speakon Biamp Input jack terminate the end of the speaker cable going to the cabinet with a single Speakon connector Wire the connector according to the pinouts on the cabinet s input jackplate label or in its owners manual If the cabinet has 1 4 Biamp Low and Biamp High Input jacks or when using separate cabinets for lows and highs the end of the speaker cable going to the cabinet must be terminated with two 1 4 connectors one for the highs one for the lows A pigtail connector and or other adapters may be used to split the low and high speaker wires going to the cabinets See the illustration labeled Stereo Operation on the facing page Input Connectors The SVP 1500 uses balanced 1 4 phone jacks as input connectors These inputs accept High or Low impedance and balanced or unbalanced signals A stereo 1 4 plug ring tip sleeve must be used to feed a high impedance balanced signal into the amplifier In the Mono Mode Channel A s input jack is used Channel B s input jack is dis connected Speaker Output Connectors Each channel of the SVP 1500 has both a 1 4 phone jack and a Speakon jack A third Speakon
17. uilt in protection circuit In order to achieve the highest performance and longest life from your new bass amp please read this owner s guide prior to its use Features In true Ampeg tradition your new SVP 1500 offers you more power performance and ease of operation than any other bass amp in its class Below are some of the outstanding features of your new amplifier features which set it apart from the competition e RUGGED AND PORTABLE Ampeg legendary reliability and three rack space design fit into most any audio reinforcement system e BALANCED INPUT JACKS Balanced 1 4 phone jacks for use with high or low impedance sig nals e BUILT IN LIMITING AND PROTECTION CIRCUITRY Automatic protection against clipping over load conditions short circuits and overheating e DUAL OUTPUT JACKS 1 4 phone and Speakon jacks for connecting your speakers NOTE 1 4 jacks not available in some areas System Block Diagram A INPUTS SIGNAL FAULT Lo m A OUTPUTS A SENSITIVITY MES gt gt SPEAKON JACK A LIMIT PROTECTION a SPEAKON JACK MONO STEREO _ BRIDGE 2 BRIDGE B INPUTS 2 F e BIAMP O 1 O B OUTPUTS B SENSITIVITY TER D gt ST POWER SPEAKON JACK B PROTECTION SVP 1500 Bass Amplifier The Front Panel CHANNEL A SIGNAL LIMIT PROTECT 2 3 4 1 FRONT PANEL EXHAUST VENT The SVP 1500 employs a variable speed internal cooling fan to draw air
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