68W Ultra-Low Distortion Composite Amplifier Kit, Based on LM3886 - PCB ONLY - from Kaltecs.com

Uncompromised performance!

No more listening fatigue!

Single Channel, PCB only, with op amp pre-soldered.

After ordering the kit you will receive detailed circuit and instructions on how to assemble the kit, wiring, mounting the power chip on a heatsink, PSU requirements, amplifier layout.

Designed and manufactured in California - kaltecs.com

Completely completely assembled and tested board - https://www.ebay.com/itm/334842335447

Specs:

Frequency response – 20Hz – 20kHz (±0.3dB)

Continuous output power – 68W

Input Sensitivity: 1.0Vrms

THD% + noise – 0.00017% (1kHz, 10W)

Power chip supply voltage from +/-20.0V to +/-40.0V

Op amp supply PSU needs to provide very clean voltages from +/-12.0V to +/-15.0V (for best results use this one

For stable and reliable performance the power chip must be mounted on a suitable heatsink!

Never power the board if the power chip is not attached to a suitable heatsink!

If you have any questions just drop me a message.

After ordering the kit you will receive detailed instructions on how to wire the kit, mount the power chip on a heatsink, PSU requirements, amplifier layout.