This is a vintage Heathkit 181 mono amplifier. It was refurbished with all new caps and is in very good working condition. I used in as a guitar amp (sounds great), but it has other inputs also.The sale includes the amp as pictured and no other accessories. I will include a reprint of the schematics. This is a vintage item so this is an as-is sale. The item "Heathkit Vintage Model AA-181 Tube Mono 25 Watt Amplifier" is in sale since Wednesday, January 22, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "braddgr" and is located in Spotsylvania, Virginia. This item can be shipped to United States.