DYNACO SCA-35 Tube Stereo Integrated Amplifier

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A1964 Dynaco brochure describes the SCA-35 as "…leanly designed, yet there is nothing skimpy about its electrical performance, general features, or even appearance" The SCA-35 was Dynaco's very first integrated amplifier. The front panel of the SCA-35 is gold anodized aluminum. The SCA-35 is a compact 13.5 in (L) X 4.25 in (H) X 10.0 in (D). Weight is heavy at 20 pounds, mostly due the heavy output transformers. The front panel has an input selector (tape head, phono, radio, tape, and spare), a volume control, a channel balance control, and a bass and treble control. At the bottom of the panel are switches for stereo/mono, loudness contour, filter, and AC power. The tape head position follows NAB equalization (for those still using magnetic tapes this is a boon). The phono position follows RIAA equalization. Speaker taps at the back are for 8 ohms and 16 ohms. Rare hum controls are provided for each channel. Output power is 17.5 watts per channel. Frequency response is +- 0.25 db 20 Hz-20kHz. Harmonic distortion is less than 1% from 20Hz-20kHz within 1 db of 17.5 watts per channel. Intermodulation distortion is 0.1% at 1 watt, rising to less than 1% at 17.5 watts per channel. The amplifier is in nice condition and works well, but the switches and pots could use a good cleaning. The unit has not been modified in any way. Some read more

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