Used untested Vision Research Labs – Tele-Booster – Model TVL. You don’t see these very often. They are from a bygone era and are quite the oddity. This unit is missing it’s knobs and is untested. It is quite the conversation piece. Not much information is available on these, please see below for what little information we were able to dig up on this item:
Country: United States of America (USA)
Manufacturer / Brand: Vision Research Labs; Kew Gardens (NY)
Year: 1947 ?? Category: Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
Valves / Tubes
Radio Frequency Amplification only
VHF incl. FM and/or UHF (see notes for details)
Power type and voltage
Alternating Current supply (AC)
– – No sound reproduction output.
Model: Tele-Booster TVL – Vision Research Labs; Kew
Tablemodel, Mantel/Midget/Compact up to 14″ width, but not a Portable (See power data. Sometimes with handle but for mains only).
RF Amplifier for TV Channels 1-6.