Fisher 600-T (circa 1964–1965)
Service manuals and collector literature say little about the Fisher 600-T. Period advertising and one short review still show a capable early transistor stereo receiver. Audio (May 1964, p.33) noted that the 600-T used no output transformers. The review claimed this removed the usual limits on bass performance and transient response that transformer characteristics impose. The same piece mentioned automatic visual indication of stereo broadcasts and a variable-threshold muting circuit with a front-panel adjustment.
The 600-T put an FM-multiplex tuner, preamplifier, and power amplifier on a single chassis. By that point the receiver was advertised at “120 watts.” That is likely peak or IHF music power, though no continuous rating survives in the record. The same source gave dimensions of 16¾ inches wide, 5⅛ inches high, and 11⅞ inches deep, with a shipping weight of 31 lbs. The original tax-free price was $459.50. An optional walnut cabinet cost $24.95.
What is known points to a fully transistorized design with no output transformers. Fisher positioned it as their flagship integrated receiver of the mid-1960s. Beyond that, information is thin. No schematic, service data, or production-run details appear to have been preserved in standard references.
Known Specifications
- Type: Transistorized stereo receiver (FM-multiplex tuner + preamplifier + power amplifier)
- Dimensions: 16¾ × 5⅛ × 11⅞ inches (W×H×D)
- Weight: 31 lbs
- Price (1965): $459.50 (cabinet $24.95 extra)
- FM Sensitivity: 1.8 µV (per period ad)
- Output: Advertised as “120 watts” (power rating context unclear)
- Notable Features: Nuvistor-Golden Synchrode front end; no output transformers; variable-threshold muting; automatic stereo indicator
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