Check the listing for details. Replacement board for AA-100 Heathkit stereo amplifier. New Complete PCB. Black.. Condition: New. Listed at 110.00 USD. Amplifier replacement board for the Heathkit AA-100 stereo amplifier.Drop-in Replacement!! Now in Black!! Looks Great!!Green is still available. Check my other listings! Perfect to replace your broken, burned or warped board. If you are restoring your amp and want a board that looks close to the original, this is it!If you are looking for a bone-stock drop in replacement, this is it!All new components. New production Allen Bradley style resistors used to try and keep that vintage look.The only "upgrades" are the ceramic tube sockets and the jumpers "J" are no longer needed. The solder points still exist if you want to add them for aesthetic reasons. . All connection points clearly labeled and kept in the original locations. This is not sold or advertised as an "upgrade" or "new and improved version" of the original board. It is a replacement.Will it sound better than what is in there now?? Of course!!! For the simple fact that it is all new components and sockets. Complete and ready to drop in your Heathkit AA-100 Amplifier!Installation guide is included with the board. If your amp is dead, you must check your power and output transformers before installing this board! This will not fix a dead or shorted transformer!!!This will not fix bad filter capacitors in your power supply. This will not fix old and broken connecting wires. Since I can not control the installation of this board, we can not guarantee a bad installation! Coming soon:Complete kit version available in black or green. Available Now: Bare board in both black and green. Check my other listings.