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the Power-686 is well suited for a stereo Modulus-686 and also a good candidate for multi-channel Modulus-86 builds
Error Correction
The Modulus-86 10th Anniversary Edition uses an OPA627 to form a balanced composite amplifier with the LM3886
such as ripple voltage
The Modulus-86 has a gain of +20 dB (10×)
Modulus-86 10th Anniversary Edition Protection & Control the Power-686 is well suitedThe Modulus 86 is a 65 W, Class AB, LM3886 based power amplifier with error correction provided by an OPA627 precision opamp. It delivers clear, precise, and non fatiguing sound; and distortion well below 1 ppm at full power. This 10th Anniversary Edition features improved performance, in part due to the further optimized PCB layout. A limited stock of high spec OPA627B opamps is available in DIY friendly packages: 25 kits with the TO 99 (metal can)
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