This amplifier has been serviced/tested and is working properly. Shows signs of wear form use but presents well. Power output: 30 watts per channel into 8Ω (stereo). Damping factor: 40.
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DYNACO ST-70 STEREO TUBE AMPLIFIER. ADULT SIGN. Power output: 35 watts per channel into 8Ω (stereo).
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Dynaco ST-70. DYNACO STEREO70 vacuum tube power amplifier.
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ADULT SIGN. Shows signs of wear from age, but really nice sounding amplifier. Previous owner installed (2) balance levels. Power output: 35 watts per channel into 8Ω (stereo).
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Dynaco Amplifier Rectifier. GE / MULLARD 5AR4/GZ34 Tube.
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Heathkit W4-AM Tube Power Amplifier w/ Dynaco A-430 Output Transformer Untested, not sure what functional condition it is in What is shown in the pictures is what will be included unless mentioned otherwise
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This kit will update one ST-70 or SCA-35 amplifier, or 2, Mark II, III, IV or Heath-Kit W-4 mono-block amplifiers, one Marantz 8B amplifier or one H-K Citation II amplifier. Sorry, but these will not fit the ST-35 amplifier.
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A proper restoration must replace all electrolytic, paper, film, oil capacitors. Do not fall for partial kits. A proper rebuild requires a full recap of all oil, paper, lytic capacitors. In 99% of the cases, only a few parts were replaced, instead of a full and proper restoration job.
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