1pair Replica UK Classic Amplifier QUAD707-KIT/DIY(Upgraded Model of QUAD405&QUAD606)

 

PLEASE NOTE THE BUYER: There is no wiring diagram, datasheet or instruction manual for this product. Please contact us by email if you need any help, we will try our best to help you, thank you!
 

Note : This price is for the 1 pair of Kit boards, you need to weld and assemble yourself, thank you!


Parameters: 

QUAD707 is the new amplifier from the British company QUAD. It is an upgraded version of the QUAD606. 

- Power supply voltage range: DC ±(25V ~ 55V), recommended voltage: DC ±45V  

- Output power: 125W at 8Ω, 250W at 4Ω  

- Frequency response (APSYS 2 test data):  

  - 20Hz: -0dB  

  - 10Hz: -0.3dB  

  - 10kHz: -0.1dB  

  - 20kHz: -0.3dB  

- SR (Slew Rate): 25V/μs (measured by oscilloscope)  

- THD+N: <0.01%  

- PCB size: 50mm × 145mm  

- Finished product size: 75mm (including power tube width) × 145mm  

- Weight of 2-channel (2 boards): 240g  

- Amplification factor (gain): 51.5 times  

- Output stage quiescent current: 0mA  

- Monophonic quiescent current: ~100mA  

- Recommended heat sink per channel: >500g (at ±45V voltage)  

- Uses original high-performance TLC271 operational amplifier  

- Output transistors: original Huami Semiconductor 2SD718 power transistors (180V, 10A, 100W), 6 per channel.


Package：

1pair Replica UK Classic Amplifier QUAD707-KIT/DIY (Upgraded Model of QUAD405&QUAD606)