各位師兄可不可以估計這膽石機值幾錢？

Vibra-beam Hi-fi Improvement

This is a mono vacuum tube amplifier made by a small company in San Francisco during the late 1950s-early 1960s.

Bob Andrews, who worked for the Wurlitzer Organ Company, had a business named Vibra-Beam. He built and sold early types of mono and stereo amplifiers and accessories at that time.

The 6 tubes are: 6L6GB (2) -- De Forestron
12AU7A, 12AX7A, 7025 12AX7A, 5U4GB -- Sonotone

On back: 2 amp fuse, Hum adjust, Terminals (4, 8 and 16 ohm) and 1/4" jack for speaker output, and Aux and input on rca jacks
Wattage not specified

http://images.craigslist.org/00u0u_h...2s_600x450.jpg

http://images.craigslist.org/00u0u_6...q8_600x450.jpg

500hkd 值嗎