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Dynaco PAS-3 series II

Vacuum Tube Preamplifier

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Dynaco PAS-3 series II


While a totally new design,the series II has in common with it's illustrious predecessor (the original PAS-3X) the same striking simplicity of operation, conservative design, full-featured operation, Spartan beauty, and Dyna tradition of value.

The PAS-3 series II includes as standard a true state of the art phono preamp section and full provision for tape dubbing for the home recordist.

This kind of flexibility and full featured styling is without parallel in affordable vacuum tube preamps.


Frequency response: 20Hz to 20kHz

Total harmonic distortion: 0.009%

Gain: 34dB (MM), 20dB (line)

Input sensitivity: 10mV (MM), 50mV (line)

Signal to noise ratio: 90dB (MM), 95dB (line)

Channel separation: 42dB (line)

Output: 5V (Pre out)

Dimensions: 17 x 3.75 x 10.25 inches

Weight: 12lbs



Dynaco PAS

I was looking for a schematic. Lost mine. Need to replace a few capacitors. Can not believe they did not last more than
50+ years..LOL

Thanks for your help....David Woodruff

This website is not affiliated with or sponsored by Dynaco. To purchase PAS-3 series II spares or accessories, please contact the company via their website or visit an authorised retailer.