The Dynaco ST-70 Series 3 tube amplifier is 35 watts per channel and switchable between both 4 and 8 Ohm outputs, with Class-A push-pull stereo topography, that has long been characterized as a robust, reliable design of exceptional value.
The ST-70 Series 3 builds upon the proven design philosophies of the original David Hafler-designed Stereo 70, with contemporary design techniques resulting in exceptional performance improvements that meet the requirements of modern audiophiles.
Dynaco engineers have made extensive use of high-quality parts that were unavailable at the time of the original design including precision metal-film resistors, poly-composition capacitors, and miniaturized high-capacity power supply electrolytic capacitors. In addition, many of the newer parts are also built to tighter specifications than the originals.
|Circuit||Class AB Quad-triode design|
|Outputs||5-way gold binding posts (left/right)|
|Power Output||35 watts/channel into 4 or 8 Ohms|
|Features||User-adjustable bias, selectable high-pass filter|
|Tubes||L34/6CA7 output tubes for classic Hafler Ultra-linear response|
|Impedance||Selectable 4 Ohm and 8 Ohm speaker loads|
|Max Power Consumption||345 watts|
|Dimensions||17″ × 9.25″ × 7.5″ (431 × 235 × 190 mm)|
|Warranty||3 year, transferable|
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