It’s easy to forget the humble beginnings of home audio. Looking at the year-over-year progress of Fisher from Mono Tube Amplifier designs to Stereo, one wonders what would have come if the Hybrid and Solid-state Designs hadn’t come into their own when they did.
1953
50-A
The World’s foremost All-Triode Amplifier – Unparalleled in Specifications and Performance
1954
1955
50-AZ
70-AZ
1958
80-AZ
1960
SA-300
SA-100
50-Watt Stereo Power Amplifier
This truly remarkable instrument is equipped with features normally encountered only in the costliest of dual-channel amplifiers. Equipped with a center channel output, the SA-100 permits you to add a third amplifier and speaker system at any time, for augmented stereo coverage and realism.
1962
SA-300-B
90-Watt Stereo Power Amplifier
Stereo Power Amplifier now with 90 watts of music power! Free of hum, noise and distortion! For all speakers!
1963
SA-1000
Laboratory Standard Series 150-Watt Stereo Power Amplifier
K-1000
Professional Laboratory-Standard 150-Watt Stereo Power Amplifier
Once completed, the FISHER K-1000 StrataKit is indistinguishable from its factory-assembled counterpart. It offers the same challenge to the severest critics and most discriminating judges of professional sound reproducing equipment, both as to specifications and listening quality. Of the many outstanding features, the most important to the kit builder is the exclusive FISHER invention – STRATABALANCE. This new method assures precise adjustment of the K-1000 to optimum operating conditions. Military-type terminal board construction and the highest quality conservatively rated components assure many years of service. Bias adjustments and a built-in meter and meter switch make it possible to check the performance of the K-1000 quickly and accurately. With exclusive Fisher Hinged Control-Cover.