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Home > Finished Products > QUAD 707 Power Amplifier Board, Upgraded QUAD 405/606 Circuit, High Power HiFi Audio Amp DIY

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QUAD 707 Power Amplifier Board, Upgraded QUAD 405/606 Circuit, High Power HiFi Audio Amp DIY

Name: QUAD 707 Power Amplifier Board, Upgraded QUAD 405/606 Circuit, High Power HiFi Audio Amp DIY
Brand: Emoryseric | HiFi Music Muse
Price: 25.63 USD
Availability: InStock

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Description

Replica of the Classic British QUAD 707 Power Amplifier.
The QUAD707 is the new amplifier model from the British company QUAD.

It is an upgraded version of the QUAD606.

Specifications:

Power Supply Voltage Range: DC +- (25V ~ 55V), Recommended Voltage DC +- 45V

Output Power: 125W @ 8Ω, 250W @ 4Ω

Frequency Response APSYS 2 Test Data: 20Hz -0dB, 10Hz -0.3dB, 10kHz -0.1dB, 20kHz -0.3dB

Slew Rate (SR): 25V/μS (Oscilloscope Measurement)

THD+N: < 0.01%

PCB Dimensions: 50mm x 145mm

Finished Board Dimensions: 75mm (including power transistor width) x 145mm

Weight for 2 Channels (2 boards): 240 grams

Amplification Factor (Gain) = 51.5 times

Output Stage Quiescent Current = 0 mA

Single Channel Quiescent Current ≈ 100 mA

Recommended Heatsink per Channel > 500 grams (at +- 45V supply)

Utilizes genuine TLC271 High-Performance Op-Amp.

Output Transistors use genuine Huawei Semiconductor 2SD718 power transistors (180V, 10A, 100W), 6 pieces per channel.

Actual product photos are shown below. Actual measurement data is provided beneath the images. Mounting hole information can be downloaded at the very bottom.

Oscilloscope Test Data:

APSYS 2 Test Data:

Frequency Response: 20Hz -0dB, 10Hz -0.3dB, 10kHz -0.1dB, 20kHz -0.3dB

THD+N < 0.01%

Power Transistor Mounting Hole Diagram.

Document for Corresponding Cutout Dimensions

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QUAD 707 Power Amplifier Board, Upgraded QUAD 405/606 Circuit, High Power HiFi Audio Amp DIY

Quantity:

CUSTOMER REVIEWS

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