Dynaco SCA 35 (1964)
A vacuum tube stereo integrated amplifier introduced in 1964, available as a kit or factory-built unit.
Overview
The Dynaco SCA 35 is a vacuum tube stereo integrated amplifier produced by Dynaco. Introduced in 1964, it was offered both as a kit and in factory-assembled form. Designed as a budget audiophile option, the SCA 35 combines preamplifier and power amplifier functions in one chassis, featuring volume, balance, and optional tone controls. It uses a push-pull circuit with tubes including the 7199, 12AX7, and 6BQ5.
Specifications
| Power output | 17.5 watts per channel into 8Ω (stereo) |
| Tubes | 7199, 12AX7, 6BQ5 |
| Circuit type | push pull |
| Original price (kit) | US$104.95 in 1964 |
| Original price (retail) | $210 in 1964 |
Design
The preamp section includes a volume control and can house tone controls for bass and treble, as well as provide balance control. The amplifier was available as a kit, allowing users to assemble it themselves.
Context
Positioned as a budget audiophile option, the SCA 35 offered integrated tube amplification at an accessible price point when introduced in 1964.
Market
Used units have sold for between $499.95 and $650.00. Common issues include degraded potentiometers, and replacement circuit boards as well as online repair and modification discussions are available.
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