This H.H. Scott stereo tube amplifier is model LK-48, produced and listed in catalogs (according to online resources) from 1962 ...
AEAaudio.com :: Final tests in the Research Listening Room #2: Using our patent pending real-time spectrum analysis comparing ...
H.H. Scott For Sale: Includes: LK-72 tube amp amplifier LT-10 FM Stereomaster wide band tuner BIC The Beam Box Model FM 10 ...
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TUBES (tech notes)
An entry-level model derived from the original 222(A/B) design. Stereo 30-watt Integrated Amplifier 12-wpc (RMS) Similar to LK30 Kit version, used costsaving, 8-tube lineup which used a single 6GW8 as a shared splitter/p-p output driver used wide "C" case/chassis
8 tubes: (3) 12AX7 (4) 6GW8 (Split-load phase inverter and Output) (1) 5AR4
8 tubes: Stereo 30-watt Integrated Amplifier 12-wpc (RMS) (3) 12AX7 (4) 6GW8 (Split-load used wide "C" phase case/chassis inverter and Output) See above, (1) 5AR4
Stereo 30-watt Integrated Amplifier 13-wpc (RMS)
Lessexpensive, less-powerful cousin to 299(A), 1959-1960 $150 Self-biased design dark brown (plastic) knobs, used wide "C" case/chassis
11 tubes: (4) 12AX7 (2) 6U8/6GH8 (floating paraphase inverter w/AC balance pots) (4) 6BQ5 (1) 5AR4
See 222(A) above, Stereo 30-watt Integrated Amplifier 13-wpc (RMS) Self- ...