LJM Clone QUAD707 British Classic Amplifier 2SD718*6 125W 8R,250W 4R Stereo Audio Amplifier TLC271 OP AMP DC25V to 55V

LJM Clone QUAD707 British Classic Amplifier 2SD718*6 125W 8R,250W 4R Stereo Audio Amplifier TLC271 OP AMP DC25V to 55V

$138.56

$138.56 $0.00

Description

SPECIFICATIONS

Brand Name: Arvin

Certification: NONE

Compatible Audio & Video Equipment Style: Amplifier,Digital-to-Analog Converter (DAC)

Dimensions (WxHxD)): 75*145mm

High-concerned chemical: none

Model Number: QUAD707

Origin: Mainland China

Package: No

Weight: 240g

A replica of the classic British QUAD 707 power amplifier.

QUAD707 is a new amplifier from QUAD Guodu in the UK.

It is an upgraded version of QUAD606

parameters:

Power supply voltage range DC positive and negative DC ± (25V ~ 55V), recommended voltage DC DC ±45V

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 * 145mm

2-channel 2-board weight is 240g

Magnification (Gain) = 51.5 times

Output stage quiescent current = 0 mA

Mono static current ~ about 100MA

The recommended radiator for each channel is greater than 500 grams (at voltage ±45V)

Using the original operational amplifier TLC271 high-performance OP.

The output transistors are 6 original Huawei Semiconductor 2SD718 power transistors (180V, 10A, 100W) per channel.

Shipping list:
A channel is a board
DIY kit 2pcs: two channels, you need to bring your own tools for assembly and welding;
Finished board 2pcs: two channels, soldered, finished board;
Finished board 1pcs: 1 channel, soldered, finished board.

The hole size corresponds to the CAD document
Link: https://pan.baidu.com/s/1Pgy1LZn7vLrsxdJBlmbEEA?pwd=dujj
Extract code: dujj