Equipment information

Korg A4 Effect Processor
Manufacturer:
Model:
A4
Date:
1992
Category:
Group:
Description:
Performance Signal Processor

Information

Internal Effects : COMPRESSOR, DISTORTION/OVERDRIVE, 3 BAND EQ, PITCH/DELAY, CHOROS/FLANGER, REVERB, AMP SIMULATION, NOISE REDUCTION Programs : Preset; 30 programs User programmable, 30 programs Front panel : Volume; INPUT VOLUME, PARAMETER EDITORS, OUTPUT VOLUME Keys/Switches; BANK UP SWITCH, WRITE KEY, USER/PRESET KEY, BYPASS/TUNE SWITCH, EFCT/PROG SWITCHES, PROG/EDIT SWITCH, MODECEffectjSELECT KEYS(UP, DOWN) Display; BANK/VALUE Display (8 segment LED x 2) Dot type LEDs; EFCT/PROG LEDs, MODE LEDs, Peak indicator Rear panel ; Power Switch, DC9V Jack, INPUT Terminal, OUTPUT Terminals (L/MONO, R), PHONE Jack, VOLUME PEDAL Jack, EXTERNAL CONTROL OUTPUT Terminals (1, 2), MIDI Terminals (MIDI IN, MIDI OUT) Sampling Frequency: 48 KHz Dynamic Range : 90dB or more(IHF~A, when bypassing) TUNER ; Measurement Range; A0-C7 Measurement Accuracy; ±0.5 cent. Power Supply : DC9V Power Consumption : 350mA Maximum Input Level/Impedance *. +7dBu/lMQ Maximum Output Level/Impedance .' +7.5dBu/lkQ Dimensions : 498(ff) x 227.5(D) x 48.7(H)mm Weight : 2.2kg

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Service Manual
Manual Type:
Service Manual
Pages:
34
Size:
1.60 Mbytes (1675930 Bytes)
Language:
english
Revision:
0412 CEH
Manual-ID:
Date:
1992 01 01
Quality:
Scanned document, all readable.
Upload date:
2017 09 09
MD5:
7ac036568e47fc9956e199971fcaf3db
Downloads:
549

Information

1. SPECIFICATIONS ... 1 2. STRUCTURAL DIAGRAM ... 3 3. BLOCK DIAGRAM ... 5 4. CIRCUIT DIAGRAM ... ... 6 5. P.C. BOARDS ... 7 6. HOW TO DISASSEMBLY ... 9 7. DIAGNOSTIC TEST ... 11 8. REFERENCE DATA ... 18 9. PARTS LIST ... 26

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