Fostex AP2130 User's Manual
Contents
1. ON OFF 1 1 1 1 1 LOAD IMPEDANCE PEAK LEVEL SENSER IND 30 OdB THERMAL 2 HIGH MONOO SENSER LOW POWER SUPPLY O STEREO THERMAL IND FAN MOTOR E Circuit inside dotted square not included in CHANNEL 2 Model AP1020 SPECIFICATIONS AP1020 AP2090 AP2130 AMPLIFIER SECTION Rated output 100W 100W 7 7 80 300W 300W 80 450W 450W 8Q 40 200W mono 8 90O0OW mono 8Q Total harmonic distortion At 1kHz rated output Reproduce frequnecy range S N ratio Input impedance Damping factor Input sensi tivityt At rated output Less than 0 05 10 35 000Hz At rated out put OdB 1dB 92dB IHF A 100dB 10kQ Higher than 300 8Q 1 2 0 70V 1dB 8Q Less than 0 0596 10 35 000Hz At rated out put OdB 1dB 100dB IHF A 105dB 10kQ Higher than 350 80 1kHz 1 40V 1dB 8 2 450W 450W 8Q 650W 650W 40 1300W mono 8Q Less than 0 05 10 35 000Hz At rated out put OdB 1dB 100dB IHF A 105dB 10kQ Higher than 400 8Q 1kHz 1 72V 1dB 8Q CROSSOVER NETWORK SECTION Crossover frequency 30 2 000Hz 18dB oct 30 2 000Hz 18dB oct Dimensions mm in mm W x H x D Power supply AC 100V AC 120V AC 220 Power con sumption 482x43 5x422 120V AC 220V AC 240V AC 215W 210W2. e ceu Dre ere ren stele des 4 Crossover network selector 5 Multi amplfier system examples using 2090 2130 6 Block diagram re ote oe DEN S eed 7 Specifications secco bewe skola dE sect qure e 8 AP2090 AP2130 FRONT PANEL 94 xci REAR PANEL 1 Power switch 10 Input connector 2 Power indicator 11 Crossover mode VHR 3 Output level controller 12 Crossover mode Selector 4 Output level indicator 13 MONO STEREP selector SW 5 Clip indicator 14 Crossover network output 6 Thermal indicator HIGH 7 Compressor limiter indicator 15 Crossover network output 8 Handle LOW 9 Filter cover 16 COMP L switch 17 Speaker output 18 Cooling fan 19 Power cord 20 Power supply fuse AP1020 FRONT PANEL F DODE REAR PANEL Power switch Power indicator Output level controller Output level indicator Clip indicator Thermal indicator Compressor limiter indicator Handle Filter cover Pa Ae eS 10 11 12 13 14 15 16 17 i 9 AC Input MONO STEREO switch Fuse Cooling fan Compressor limiter switch Input connector Output connector CH 1 7 CH 2 OUTSTANDING FEATURES 1 2 3 4 5 6 7 Forced cooling When the amplifier internal temperature
3. 550VA 240V 482x88x435 120V AC 220V AC 240V AC 482x88x435 120V AC 220V AC 240V AC 745W 1150W 2 28kVA Specifications in this manual subject to change for improve ment without notice Above specifications as of September 30 1989 Fostex PRO SOUND DIVISION FOSTEX COMPANY 3 2 35 Musashino Akishima Tokyo Japan 196 0021 Specifications subject to change without notice PRINTED IN JAPAN FFR 1990 8629000301 SG
4. Owner s Manual Model AP1020 AP2090 AP2130 STEREO POWER AMPLIFIER 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 WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE SAFETY INSTRUCTIONS 10 11 12 Read Instructions All the safety and operating instructions should be read before the appliance is operated Retain Instructions The safety and operating instructions should be retained for future reference Heed Warnings All warnings on the appliance and in the operating instructions should be adhered to Follow Instructions All operating and use instructions should be followed Water and Moisture The appliance should not be used near water for example near a bathtub washbowl kitchen sink laundry tub in a wet basement or near a swimming pool and the like Carts and Stands The appliance should be used only with a cart or stand that is recommended by the manufacturer An appliance and cart ee should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and cart combination to overtum Wall or Ceiling Mounting The appliance should be mounted to a wall or ceiling only as recommended by the manufacturer Ventilation The appliance
5. SS AMP INPUT ee FULL oo E SST cone T n 1 HIGH OUT i LOW OUT 1 Q ee oe ee oe ee eee 4 AMP LOW PASS AMP INPUT FULL 1 ro pee HIGH OUT LOW OUT i lm a hm ti E Example of 3 way system M AMP D HIGH PASSAMP INPUT FULL H SP 1 1 0 3 gt L A LOW L HIGH OUT Z LOW OUT AMP BAND PASS AMP INPUT FULL gt L A LOW Fo HIGH Q i LOW OUT 1 O INPUT FULL EO ar re N LSP gmr HIGH Cy H we 1 1 iza O HIGH OUTI Q LOW OUT l General use amplifiers not containing a crossover network can also be used for the low region or high region amplifier When Ap20909 2130 are to be used as a full range amplifier harmful sub sonic frequencies can be cut off if the crossover network selector switch is set to HIGH and crossover frequency to 30Hz If a line transformer is to be connected always set to HIGH PASS crossover network selector switch to HIGH and crossover frequency to 100Hz The speaker low region cutoff frequency will slightly change depending on the line transformer used Block diagram CLIP CLIP DC amp LF SENSER SENSER Q El r lus d Ox LPF comprimir re XN 1 1 1
6. ch the hard limiter functions to suppress distortion Consequently when the limiter is switched on the output will not largely distort even at ex cess input CROSSOVER NETWORK SELECTOR SWITCH 1 FULL At this position the crossover network is bypassed Hz control pot becomes ineffective a flat response output against the input signal is obtained at the output connec tor The crossover network outputs HIGH LOW at each con nector will be those set by the crossover frequency adjust inig Knobs 2 HIGH When this position is selected the HIGH PASS signal whose cutoff frequency is set by the Hz knob is obtained at the speaker output connector 3 LOW When set to this position the LOW PASS signal whose cutoff frequency is set by the Hz Knob is obtained at the speak er output connector INPUT CONNECTION Two types of connectors XLR3 31 equivalent and 1 4 phone jack both of balanced line are wired in parallel Polarity of the pins are as follows 1 Ground 2 pin Hot 3 pin Cold For the stereo mode the rear panel MODE selector switch is set to STEREO and the left input is connected to INPUT 1 and the right input to INPUT 2 For the mono mode the selector switch is set to MONO and the input signal is applied between ground and INPUT 1 o PHONE CANNON BALANCED HOT MULTI AMPLIFIER SYSTEM EXAMPLE USUNG AP2090 2130 Example of 2 way system AMP HIGH PA
7. duct s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the appliance Cleaning The appliance should be cleaned only as recommended by the manufacturer Nonuse Periods The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings Damage Requiring Service The appliance should be serviced by qualified service personnel when A The power supply cord or the plug has been damaged or B Objects have fallen or liquid has been spilled into the appliance or C The appliance has been exposed to rain or D The appliance does not appear to operate normally or exhibits a marked change in performance or E The appliance has been dropped or the enclosure damaged Servicing The user should not attempt to service the appliance beyond that described in the operating instructions All other servicing should be referred to qualified service personnel Th
8. e appliance should be situated away from drops of water or spray of water Objects containing liquid such as vase must not be put on the appliance The appliance is not completely isolated from the power supply even if the power switch is at off position Apparatus shall not be exposed to dripping or splashing and no objects filled with liquids such as vases shall be placed on the apparatus Only use attachments accessories specified by the manufacturer An appliance with a protective earth terminal should be connected to mains outlet with a protective earth connection An appliance should be placed in a position where an AC plug inlet can be easily pulled out by hand Main plug is used as the disconnection device It shall remain readily operable and should not be obstructed during intended use To be completely disconnected the apparatus from supply mains the main plug of the apparatus shall be disconnected from the mains socket outlet completely INTRODUCTION Fostex new AP Series amplifiers AP1020 AP1020 AP2090 and AP2130 are designed to withstand severe operating conditions It is a commercial use amplifier containing high technology citcuits designed for stability durability small size and large output Contents Controls and connections Model 2090 2130 2 Controls and Connections Model 1020 3 Outstanding feat tes cec ahi des E
9. rises thee cooling fan automatically changes to high speed to force cool the heat sink for protecting the amplifier Level indicator AP2090 AP2130 This LED is lit in 5dB steps over the O 30dB range to check the input signal Clip indicator This LED is lit at overload It will flash on large instant aneous inputs but will not pose any problems Thermal indicator When this LED is lit it indicates that the amplifier inter nal temperature is unusually high and the power supply voltage is reduced automatically to control the amplifier output Consequently you may notice some distortion when this LED is lit as the amplifier output has been reduced Crossover network circuit AP2090 AP2130 These contain a 2 way crossover network continuously varia ble over 30Hz 2 000Hz at 18dB octave slope Crossover network OUTPUT connector HIGH LOW AP2090 and AP2130 only This output connector allows multi system use with a 2 way or 3 way speaker system Refer to Multi System Examples page 6 and HIGH PASS LOW PASS outputs can be obtained from each output connector Compressor limiter circuit Individual compressor limiter circuits for each channel are contained which can be made to function by the rear panel ON OFF selector switch The limiter can be switched ON OFF by the rear panel COMP L switch The compressor operates ata compressinon ratio of 2 from about 1 2 of rated output up to clipping output after whi
10. should be situated so that its location or position does not interfere with its proper ventilation For example the appliance should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or place in a built in installation such as a bookcase or cabinet that may impede the flow of air through the ventilation openings Heat The appliance should be situated away from heat sources such as radiators heat registers Stoves or other appliances including amplifiers that produce heat Power Sources The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance Grounding or Polarization The precautions that should be taken so that the grounding or polarization means of an appliance is not defeated Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT ATTENTION POUR EVITER LES CHOCS ELECTRIQUES INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND 13 14 15 16 17 18 19 20 21 22 23 24 25 The lighting flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the pro
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