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Dynaco PAS-4

Vacuum Tube Preamplifier

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Dynaco PAS-4


The PAS-4 contains a true state of the art phono preamp section, and a front panel switched external processing loop for use with a graphic equaliser or other signal processing equipment.

You will find the PAS-4 to sound better than the large majority of other preamplifiers, both solid state and vacuum tube designs, regardless of price.


Frequency response: 2Hz to 150kHz

Total harmonic distortion: 0.025%

Gain: 40dB (MM), 18.5dB (line)

Signal to noise ratio: 86dB (MM), 90dB (line)

Output: 2V (Pre out)

Dimensions: 17 x 3.75 x 12 inches

Weight: 12lbs



This website is not affiliated with or sponsored by Dynaco. To purchase PAS-4 spares or accessories, please contact the company via their website or visit an authorised retailer.