List price include 2 channel kit/ boards.
The QUAD707 is a new amplifier model from QUAD Company, a renowned British manufacturing company.
It serves as an upgraded version of the QUAD606.
Specifications:
Power Supply Voltage Range: DC +- (25V ~ 55V), recommended voltage DC +- 45V.
Output Power: 125W at 8 ohms, 250W at 4 ohms.
Frequency Response (APSYS 2 test data): 20Hz at 0dB, 10Hz at -0.3dB, 10kHz at -0.1dB, 20kHz at -0.3dB.
Measured using a SR 25V/μs oscilloscope.
Total Harmonic Distortion plus Noise (THD+N) is less than 0.01%.
PCB Dimensions: 50mm X 145mm.
Weight of two-channel boards: 240 grams.
Amplification Factor (Gain): 51.5 times.
Static Current of Output Stage: 0mA.
Approximately 100mA of static current for each mono channel.
Recommended heatsink weight per channel should exceed 500 grams (in +-45V voltage state).
Utilizes high-performance operational amplifier TLC271 as the original operational amplifier.
Each channel consists of 6 original Hua Wei Semiconductor 2SD718 power transistors (180V, 10A, 100W).
NOTE: We have PCB or DIY kit or finished board (Optional)
◆ DIY kit ---- Inlcude all parts. It needs to be welded by yourself.
◆ Finished board ---- We will solder and test it well before shipping.
