Dynaco PAS /2/3/3x Tube Preamplifier
Dynaco PAS Series Tube Preamplifier (PAS / PAS2 / PAS3 / PAS3x
The Dyanco PAS-3X stereo preamplifier is a two channel control center which permits either monophonic or stereophonic reproduction from any program source, with any modern amplifier.
This preamplifier design is most renowned for it's low noise and distortion, and it provides striking simplicity of operation while retaining full flexibility for the enthusiasts subtle adjustments.
| Form | Tube stereo preamplifier |
| Frequency response | 10Hz-40kHz±0.5dB (Aux) |
| THD | Below a measurement limit |
| Cross modulation distortion | 0.05% or less (at the time of 2V Output power) |
| Signal to noise ratio | Phono:74dB Aux:85dB |
| Output voltage | 10V/100kohm |
| Phono allowable input voltage | 250mV |
| Tone control | Bass: ±20dB (20Hz) Treble: ±18dB (20kHz) |
| The semiconductor used | 7:4 12AX 12X4:1 |
| Dimensions | Width 343x height 108x depth of 230mm |
| Weight | 4kg |
| Option | Wooden case (3,900yen, at the 1960 in-the-late time(?)) Wooden case DW-1 (6,500yen, around the 1976 time(?)) |
Specifications
Inputs: 3 stereo low level, RIAA phono, NAB tape head, special, 4 stereo high level
Distortion: less than 0.05%
Frequency response: 10Hz to 40kHz
Gain: 60dB (phono, tape), 20dB (line)
Tubes: 12AX7 (ECC-83), 12X4
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I’m looking for a dynaco pas /2/3/3x tube preamplifier – do you know of any for sale?
Do you know a place where I can get my Dynaco PAS3 serviced?