1948 RCA PRO Theater tube Amplifier system in RCA Rack Professional Photophone similar to Western Electric Start Price USD 7,500.00 Current Price USD 7,500.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Wednesday, November 19, 2008 End Time Wednesday, November 26, 2008 Location Denver, CO See more about '1948 RCA PRO Theater tube Amplifier system in RCA Rack' Description balihi303 Store From a Nebraska Movie Theater installed in 1948 containing landmark tube units to propel sound forward into the future. Here are some words written about the amplifier a few years ago. "Known as a wonderful-sounding tube monoblock amplifier.  RCA’s renowned Photophone Sound System, this type MI-9358-A rack mount amplifier was used for high quality reproduction in movie theaters. Conservatively rated to produce 30 watts from four 1622 (6L6 type) output tubes. The 1622 tubes can be replaced with 5881s and the resultant sound is superb! The complete tube complement is (4) 5881, (2) 1620, and (2) 5U4G. The build quality of these amplifiers is extraordinary, utilizing quality components including UTC output transformers. They feature barrier strip outputs taps for 7.5, 15, 250 and 500 ohm installations. Also included is a switch selectable tube test meter for instant tube performance verification. The unique flip front design allows for easy servicing in the rack." The rack itself is a monumental home adaptable piece. Shipping should be expected to be freight for it is around 200 pounds however to help overseas buyers or anyone the unit can be disassembled and shipped piece by piece or a portion of. Email me in advance to discuss the shipping costs and options. Place a Bid!