Dynaco PAT-4 Solid State Stereo Preamplifier w/ High, Ceramic, Low Phono (1971-72)
The Dyanco PAT-4 is a vintage preamp from the golden era of hi-fi. It's an all-silicon solid-state control centre and preamplifier. The strong points of Dyna's components usually aren't visible: they're audible. And the PAT-4 lives up to that! Known for its minimalist design and clean signal path, the PAT-4 was a popular choice among audiophiles in the 1970s for good reason—it delivers smooth, transparent sound and simple, effective controls.
Plus, the PAT-4 provides sufficient power for a pair of 600 ohm headphones. Whether you're building a retro stereo system or looking for a simple, reliable preamp with old-school charm, the Dynaco PAT-4 is a great choice that still holds up today!
CONDITION
SPENCERTIFIED- Fully certified by Spencer
Refurbished and SPENCERTIFIED
This PAT-4 is in solid working condition. All inputs and outputs have been tested, and controls operate smoothly with minimal noise. The unit has been cleaned inside and out, and all switches and knobs are responsive. Cosmetically, it’s in good vintage shape—faceplate is clean, with minor wear consistent with age. All original knobs are intact and functional. Ready to integrate into your vintage or modern setup!
Cosmetic Condition: Very Good.
Functional Condition: Works Like New.
📦 Professionally packed and shipped with care.
WHAT'S IN THE BOX?
- Dynaco PAT-4 Solid State Stereo Preamplifier w/ High, Ceramic, Low Phono
- Analog Audio Cable
Other information about the Dynaco PAT4
- Dual phono inputs with dedicated preamp section for vinyl playback
- Multiple line-level inputs (tuner, aux, tape, etc.)
- Separate bass, treble, and balance controls
- Low-noise design with high headroom
- Tape monitor loop and mono/stereo switching
- Compact, rack-mountable chassis with brushed aluminum faceplate
- Frequency response: 10Hz to 100kHz
- Total harmonic distortion: 0.05%
- Gain: 54dB (MM), 20dB (line)
- Input sensitivity: 10mV (MM), 500mV (line)
- Signal to noise ratio: 70dB (MM), 85dB (line)
- Semiconductors: 8 transistors, 2 diodes
DIMENSIONS
- 14.25" x 13.5" x 9" (Length x Width x Height)
- Weight: 8 lbs
INPUTS
- Audio Input x1 (front)
- Spare L/R x1 (back)
- Tuner L/R x1 (back)
- Tape Amp L/R x1 (back)
- GND x1 (back)
- Tape Head L/R x1 (back)
- Special L/R x1 (back)
- High Phono L/R x1 (back)
- Ceramic Phono L/R x1 (back)
- Low Phono L/R x1 (back)
OUTPUTS
- Headphones Audio Output x1 (front)
- AC Outlets x4 (back)
- Output to Amp L/R x2 (back)
- Output to Tape L/R x1 (back)
MANUFACTURE DATE
- MFD. 1971-1972
