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ELECTRONICS
54-56 Fleet Road, Benfleet, Essex. SS7 5JN
 
SECTION 4 A
AUDIO Pre & Power AMPLIFIERS - METERING
 
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SECTION 4A :-  
AUDIO Pre & Power AMPLIFIERS & METERING
 
AUDIO PRE-AMPLIFIERS
Input Impedance:- 560R
Output Impedance:- 1K
Frequency30Hz-17KHz
Input Signal:-5mV
Max. Gain:-40dB
Max Output:-2V
Board Size:- 20x50mm
Power supply:--12V dc @ 5mA
Order Code4A-00378
Unit Price:-£11-70
Mono Low-Impedance
Microphone Pre-Amp
Tested module
 
Input Impedance:- 47K
Output Impedance:- 1K
Frequency30Hz-17KHz
Input Signal:-5mV
Max. Gain:-35dB
Max Output:-2V
Board Size:- 20x50mm
Power supply:-12V dc @ 5mA
Order Code4A-00279
Unit Price:-£11-70
Mono Hi-Impedance
Microphone Pre-Amp
Tested module
 
Input Impedance:- 22K
Output Impedance:- 1K
Frequency30Hz-17KHz
Input Signal:-5mV
Max. Gain:-40dB
Max Output:-2V
Board Size:- 20x50mm
Power supply:-12V dc @ 5mA
Order Code 4A-00282
Unit Price:-£11-70
Mono Guitar
Pre-Amp
Tested module
 
Input Impedance:- 10K
Output Impedance:- 1K
Frequency30Hz-17KHz
Input Signal:-5mV
Max. Gain:-20dB
Max Output:-2V
Board Size:- 20x50mm
Power supply:-12V dc @ 5mA
Order Code 4A-00280
Unit Price:-£11-70
Mono General Purpose
Pre-Amp
Tested module
 
Input Impedance:- 10K
Output Impedance:- 1K
Frequency30Hz-17KHz
Input Signal:-5mV
Max. Gain:-40dB
Max Output:-2V
Board Size:- 20x50mm
Power supply:-12V dc @ 10mA
Order Code 4A-00627
Unit Price:-£14-45
Mono Pre-Amp
With Electret Microphone
Tested module
 
Input Impedance:- 10K
Output Impedance:- 1K
Frequency20Hz-20KHz
Max. Input Signal:-40mV
Max. Gain:-40dB
Max Output:-2V
Board Size:- 30x44mm
Power supply:-10 - 30V dc @ 10mA
Order Code 4A-00619
Unit Price:-£6-50
Mono General Purpose
Pre-Amp
SELF BUILD KIT
 
Input Impedance:- 10K
Output Impedance:- 1K
Frequency40Hz-30KHz
Input Signal:-50mV
Max. Gain:-40dB
Max Output:-2 V
Board Size:- 65x44mm
Power supply:-10-24V DC x 12mA
Order Code 4A-00740
Unit Price:-£12-00
General Purpose
STEREO Pre-Amp
SELF BUILD KIT
 
Input Impedance:- 10K
Output Impedance:- 1K
Treble:-+/- 15dB @16KHz
Bass:- +/- 17dB@40Hz
Input Signal:-300mv-1.5V
Distortion:-0.3%
Max Output:-2V
Board Size:- 124x59mm
Power supply 12V x 35mA
Order Code4A-00286
Unit Price:-£31-50
STEREO Tone Control
Tested module
 
Input Impedance:- 10K
Output Impedance:- 1K
Treble+/- 15dB @15KHz
Bass:- +/- 17dB@15Hz
Input Signal300mv-1.5V
Distortion0.005% @ 1K
Frequency .Response.:-3Hz-500K
Max Output:-5V
Board Size:- 105x70mm
Power supply 2 x 12V ac @ 100mA
Order Code4A-01051
Unit Price:-£24-00
STEREO Tone Control
SELF BUILD KIT
 
AUDIO POWER AMPLIFIERS
 
Power supply:-8-18V @ 0.5A
Music Power Output:-7W @ 4R
5W @ 8R
Total H.D. :-1W / 1KHz
Frequency Response:-20Hz-20KHz (-3dB)
Signal noise Ratio:-86 dB
Input Sensitivity:- 40mV / 150K
P.C.B.Board Size:-55 x 35mm
Order Code:-4A-00232/1
Unit Price:-£12-75
7W MONO Amplifier
SELF BUILD KIT
Thermally & short circuit protected. Constructed around the TDA2003 IC
 
2 x 30Watt
Power supply:-2 x 12V ac @ 2A
Music Power Output:- 2 x 30W @ 4R
2 x 20W @ 8R
Total H.D:-.1W / 1KHz
Frequency Response:-7Hz-60KHz (-3dB)
Signal / noise Ratio:-98dB
Input Sensitivity:- 300mV / 150K
P.C.B.Board Size:- 70 x 50mm
Order Code:-4A-00233/1
Unit Price:-£29-75
STEREO Amplifier
SELF BUILD KIT
Thermally & short circuit protected. Constructed around the TDA1521 IC
 
 
Ideal for active speaker system or subwoofer, guitar amp , home theatre systems , instrument amp, etc.
Power supply:-2 X 25-30V ac 120VA
Music Power Output 200 W @ 4R70 W @ 8R
Total H.D.0.02% @ 1KHz / 10W
Frequency Response3Hz-200KHz (-3dB)
Signal / noise Ratio  115dB
Input Sensitivity:- 0.6V / RMS 150K
P.C.B.Board Size:- 107 x 62mm
HEAT SINK   for module
Order Code-4-HK01059
Unit Price:-£12-60
200 Watt
MONO Amplifier
SELF BUILD KIT
Design using Epitaxial darlington transistors.
Thermally & short circuit protected.
Order Code:-4A-HK01050
Unit Price:-£24-75
 
Input Impedance:- 10K
Output Impedance4-8R
Frequency30Hz-18KHz
Input Signal:-50mV
Max Output:-1.8W
Board Size:- 50x35mm
Power supply:-12V DC @ 190mA
Order Code:-4A-00028
Unit Price:-£12-00
1.8W MONO Amplifier
Tested module
 
Input Impedance:- 10K
Output Impedance4-8R
Frequency30Hz-18KHz
Input Signal:-50mV
Max Output:-0.5W
Board Size:- 30x28mm
Power supply:-12V dc @- 50mA
Order Code:-4A-00269
Unit Price:-£9-00
0.5W MONO Amplifier
Tested module
 
Input Impedance:- 10K
Output Impedance4-8R
Frequency20Hz-18KHz
Input Signal:-300mV
Max Output:-15W
Board Size:- 80x65mm
Power supply:--24V dc @ 500mA
Order Code4A-00030
Unit Price:-£27-00
15W MONO Amplifier
Tested module
 
Input Impedance:- 10K
Output Impedance4-8R
Frequency30Hz-18KHz
Input Signal:-100mV
Max Output:-5W
Board Size:- 50x40mm
Power supply:-12V dc @ 250mA
Order Code4A-00029
Unit Price:-£19-50
5W MONO Amplifier
Tested module
 
 
 
Input Impedance:- 10K
Output Impedance4-8R
Frequency30Hz-18KHz
Input Signal:-50mV
Max Output:-20W
Board Size:- 70x70mm
Power supply:-24V dc @ 2 A
Order Code4A-00031
Unit Price:-£45-00
20W MONO Amplifier
Tested module
 
Input Impedance:- 100K
Output Imp 4 - 8 R
Frequency30Hz-18KHz
Input Signal:-50mV
Max Output:-2 x 1W
Board Size:- 20x72mm
Power supply:-12V dc @ 250mA
Order Code:-4A-00270
Unit Price:-£21-00
2 x 1 Watt STEREO Amplifier
Tested module
 
Input Impedance:- 100K
Output Imp 4 - 8 R
Frequency30Hz-18KHz
Input Signal:-50mV
Max Output:-2 x 0.5W
Board Size:- 15x55mm
Power supply:-12V dc @ 100mA
Order Code:-4A-00272
Unit Price:-£18-00
2 x 0.5 Watt STEREO Amplifier
Tested module
 
Input Impedance 100K
Output Imp:- 4 - 8 R
Frequency20Hz-18KHz
Input Signal:-300mV
Max Output:-2 x15 W
Board Size:- 45x85mm
Power supply:-12V dc @ 1 A
Order Code:-4A-00273
Unit Price:-£54-00
2 x 15 watt  STEREO Amplifier
Tested module
 
Input Impedance:100K
Output Imp:- 4 - 8 R
Frequency30Hz-18KHz
Input Signal:-100mV
Max Output:-2 x 5W
Board Size:- 27x90mm
Power supply:-12V dc @ 500mA
Order Code:-4A-00271
Unit Price:-£33-00
2 x 5 Watt  STEREO Amplifier
Tested module
 
Input Impedance:- 50K
Output Imp:- 4 - 8 R
Frequency22Hz-22KHz
Input Signal:-300mV
Max Output:-2 x10 W
Board Size:- 45x45mm
Power supply:--12V dc @ 1Amp
Order Code:-4A-0012
Unit Price:-£30-00
2 x 10 Watt  STEREO Amplifier
 Tested module
 
Input Impedance 100K
Output Imp:- 4 - 32 R
Frequency30Hz-18KHz
Input Signal:-50mV
Max Output:-2 x 75mW
Board Size:- 35x35mm
Power supply:--3 - 6 V dc @ 10mA
Order Code:-4A-00531
- Unit Price:-£12-75
2x 75mW Headphone Amplifier
STEREO Tested module
 
Input Impedance:- 47K
Output Imp:- 4 - 8 R
Frequency:-20Hz- 20KHz
Input Signal:-700mV
Max Output:-35W
Board Size:- 38 x 112mm
Power supply:-28V dc @ 2.2A
Order Code4A-00533
Unit Price£38-00
1 x 35 Watt  MONO Amplifier
Tested module
 
Input Impedance:- 47K
Output Imp:- 4 - 8 R
Frequency:-20Hz- 20KHz
Input Signal:-700mV
Max Output:-25W
Board Size:- 38x112mm
Power supply:-24V dc @ 1.5A
Order Code 4A-00532
Unit Price:-£30-00
1 x 25 Watt  MONO Amplifier
Tested module
 
Input Impedance:- 47K
Output Imp:- 4 - 8 R
Frequency:-20Hz- 20KHz
Input Signal:-700mV
Max Output:-100W
Board Size:-85 x 110mm
Power supply:--42V dc @ 4A
Order Code4A-00535
Unit Price:-£54-00
1 x 100 Watt  MONO Amplifier
Tested module
 
Input Impedance:- 47K
Output Imp:- 4 - 8 R
Frequency20Hz-20KHz
Input Signal:-700mV
Max Output:-60W
Board Size:- 110 x 110mm
Power supply:-32V dc @ 2.5A
Order Code4A-00534
Unit Price:-£52-50
1 x 60 Watt MONO Amplifier
Tested module
 
Input Impedance:- 10K
Output Imp:- 4 - 8 R
Frequency:-30Hz- 18KHz
Input Signal:-300mV
Max Output:-2 x 5 W
Board Size:- 95x26mm
Power supply:-12V dc @ 1 A
Order Code4A-00654
Unit Price£24-50
2 x 5 Watt  MONO Amplifier
Tested module
 
Input Impedance:- 10K
Output Imp:- 4 - 8 R
Frequency:-30Hz- 18KHz
Input Signal:-200mV
Max Output:-1.8W
Board Size:- 75x23mm
Power supply:-12V dc @ 250mA
Order Code4A-00653
Unit Price:-£19-50
1 x 1.8 Watt  MONO Amplifier
Tested module

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