Vintage Yamaha B-2 // Solid-State Amplifier / Fully Rebuilt

The Yamaha B2 is a highly regarded amplifier, yet we're confident you will not find an example better than this. After a complete rebuild, we can't imagine new old stock would test better. Delivering 100 crisp, clean watts, and featuring two beautiful meters, this Yamaha B2 looks and sounds like it was delivered from a time machine. Absolutely superb.

RESTORATIONS

• Full 30-point service check
• Replaced all capacitors
• Replaced input tantalum capacitors with film caps
• Replaced all questionable transistors (around 50)
• Replaced meter lights
• Replaced speaker relays
• Replaced binding post
• Replaced all trim pots
• Recalibrated the meters
• Cleaned controls, switches, and chassis

SPECS

Type   Solid state stereo amplifier

Power output   100 watts per channel into 8Ω (stereo)

Frequency response   10Hz to 100kHz

Total harmonic distortion   0.08%

Damping factor   70

Input sensitivity   0.775V

Signal to noise ratio   115dB

Semiconductors   12 x FET, 95 x transistors, 2 x IC, 66 x diodes

Dimensions   17.17"W x 6"H x 14.6"D

Weight   58 lbs. (no kidding)

LINER NOTES

The Yamaha B-2 is the product of research directed at the ultimate in audio quality, based on a unique combination of sophisticated circuitry and advanced FET manufacturing know-how. The B-2 joins the famous B-1 in setting the standards by which the 'state of the art' is judged.