2 PCS QUAD707 Amplificador Clássico Britânico 125 W 8R, 250 W 4R Áudio Estéreo DC +- 45 V
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Specifications
- Brand Name
- Nvarcher
- High-concerned chemical
- None
- Maximum Power Per Channel
- Above 200W
- Origin
- Mainland China
- Package
- No
- Channels
- 2 (2.0)
- Certification
- NONE
- Model Number
- QUAD707
Product Description
Parameters:
Power supply voltage DC +- (25V to 55V). The recommended voltage is DC DC + -45 V
Output power 125W 8R, 250W 4R.
Frequency response APSYS 2 Test data: 20HZ-0DB, 10HZ-0.3DB, 10K HZ-0.1DB, 20KHZ-0.3DB
SR 25V/US oscilloscope measurement.
THD+N < 0.01%
PCB size 50MM X 145MM.
2 channels 2 plates weigh 240 grams.
Magnification (gain) = 51.5 times
Static current of output stage =0 MA
Mono static current ~ 100MA
The recommended radiator per channel is greater than 500g (voltage + -45V)
High performance OP with original operational amplifier TLC271.
The output transistor adopts the original Hua Micro semiconductor 2SD718 power tube (180V,10A, 100W) with 6 sound channels.
Oscilloscope test data:
APSYS 2 Test data:
Frequency response: 20HZ -0DB, 10HZ -0.3DB, 10K HZ -0.1DB, 20KHZ -0.3DB
THD+N < 0.01%
CAD document
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Product information last updated on December 8, 2025