Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier

SOLD , now part of a Private Collection

Dynaco's first solid-state preamplifier. Small in stature with beautifully clean mid-century lines. The PAT-4 is a simple and elegant preamp.

Production
1967-72
Condition
8/10
Orig. MSRP
$139.00 kit //$229.00 assembled
Restoration
  • Full 30-point service check
  • Cleaned controls, switches, and chassis
Factory Specs

Type   Solid State Preamplifier

Frequency response   10Hz to 100kHz

Total harmonic distortion   0.05%

Gain   54dB (MM), 20dB

Input sensitivity   10mV (MM), 500mV 

Signal to noise ratio   70dB (MM), 85dB

Semiconductors   8 transistors, 2 diodes

Dimensions   14.25"W x 9"H x 13.5"D

Weight   10 lbs.

The History of Dynaco
Founded by hi-fi pioneer David Hafler and Ed Laurent in 1955, a small company by the name of Dynaco unknowingly would become the most popular tube amplifier company of all time. Five years prior in 1950, David Hafler and his friend Herb Keroes started up the company Acrosound, dedicated to building audio quality...
[ Read More ]
Liner Notes

The Dynaco PAT-4 is an all silicon solid-state control center and preamplifier which must be used in conjunction with a basic power amplifier, such as the Dynaco stereo 80 or Stereo 120, and a pair of loudspeakers.In addition, the PAT-4 provides sufficient power for a pair of 600-ohm headphones.

Stock No.
7600099262685

Dynaco's first solid-state preamplifier. Small in stature with beautifully clean mid-century lines. The PAT-4 is a simple and elegant preamp.



Production

1967-72

Condition

8/10

Orig. MSRP

$139.00 kit //$229.00 assembled

Restoration

  • Full 30-point service check
  • Cleaned controls, switches, and chassis

Factory Specs

Type   Solid State Preamplifier

Frequency response   10Hz to 100kHz

Total harmonic distortion   0.05%

Gain   54dB (MM), 20dB

Input sensitivity   10mV (MM), 500mV 

Signal to noise ratio   70dB (MM), 85dB

Semiconductors   8 transistors, 2 diodes

Dimensions   14.25"W x 9"H x 13.5"D

Weight   10 lbs.

The History of Dynaco

Founded by hi-fi pioneer David Hafler and Ed Laurent in 1955, a small company by the name of Dynaco unknowingly would become the most popular tube amplifier company of all time. Five years prior in 1950, David Hafler and his friend Herb Keroes started up the company Acrosound, dedicated to building audio quality...
[ Read More ]

Liner Notes

The Dynaco PAT-4 is an all silicon solid-state control center and preamplifier which must be used in conjunction with a basic power amplifier, such as the Dynaco stereo 80 or Stereo 120, and a pair of loudspeakers.In addition, the PAT-4 provides sufficient power for a pair of 600-ohm headphones.

Stock No.

7600099262685

Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier
Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier
Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier
Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier
Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier
Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier
Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier
Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier
Vintage Dynaco PAT-4 // Solid State Stereo Preamplifier

May We Suggest

McIntosh MC225 // Vintage Stereo Tube Amplifier / Lovingly Restored

Mcintosh Mc225 // Vintage Stereo Tube Amplifier / Lovingly Restored

$6,599
McIntosh MC275 Original // Vintage Stereo Tube Amplifier / The Legend - Restored

Mcintosh Mc275 Original // Vintage Stereo Tube Amplifier / The Legend - Restored

$7,299
McIntosh MVP831 // CD/DVD Player

Mcintosh Mvp831 // Cd/dvd Player

$1,299
Audio Research EC-21 // Vintage / Active Electronic Tube Crossover / 511200

Audio Research Ec-21 // Vintage / Active Electronic Tube Crossover / 511200

$1,299
Audio Research PC-1C // Vintage / Passive Electronic Crossover

Audio Research Pc-1c // Vintage / Passive Electronic Crossover

$699
Audio Research PC-1 // Vintage / Passive Electronic Crossover

Audio Research Pc-1 // Vintage / Passive Electronic Crossover

$599
McIntosh MX132 // Preamp / 5.1 AV Home Theater Processor

Mcintosh Mx132 // Preamp / 5.1 Av Home Theater Processor

$1,199
Audio Innovations 500 // Vintage Integrated Tube Amplifier

Audio Innovations 500 // Vintage Integrated Tube Amplifier

$1,599
Bryston BDP-1 // Vintage / Digital Audio Player / 0335

Bryston Bdp-1 // Vintage / Digital Audio Player / 0335

$399
Mark Levinson ML-2 // Solid-State Monoblock Amplifiers / Orig. Boxes / 1466/1704

Mark Levinson Ml-2 // Solid-state Monoblock Amplifiers / Orig. Boxes / 1466/1704

$4,500
Pass Labs Aleph 1 // Vintage Class A Monoblock Amplifiers // 05011 / 05010

Pass Labs Aleph 1 // Vintage Class A Monoblock Amplifiers // 05011 / 05010

$4,999
Pass Labs Aleph 1.2 // Vintage Class A Monoblock Amplifiers // 07109 / 07110

Pass Labs Aleph 1.2 // Vintage Class A Monoblock Amplifiers // 07109 / 07110

$7,999
Focal Chora 806 // Preowned Two Way Bookshelf Speakers

Focal Chora 806 // Preowned Two Way Bookshelf Speakers

$599
ATC SCM 11 // Preowned Two Way Bookshelf Speakers

Atc Scm 11 // Preowned Two Way Bookshelf Speakers

$1,299
Pass Labs Aleph 3 // Vintage Class A Stereo Amplifier / 9646

Pass Labs Aleph 3 // Vintage Class A Stereo Amplifier / 9646

$2,399
Michell Gyrodec // Vintage Turntable / SME 3009 / Denon DL103 Cart / DC Motor Upgrade

Michell Gyrodec // Vintage Turntable / Sme 3009 / Denon Dl103 Cart / Dc Motor Upgrade

$4,999
Pass Labs Aleph 3 // Vintage Class A Stereo Amplifier / 8044

Pass Labs Aleph 3 // Vintage Class A Stereo Amplifier / 8044

$2,399
Audio Research VTM200 // Preowned / Tube Amplifier Monoblock / Single

Audio Research Vtm200 // Preowned / Tube Amplifier Monoblock / Single

$2,200
Wilson Cub S1 // Preowned Bookshelf Speakers / Sound Anchors Stands / Diamond Black

Wilson Cub S1 // Preowned Bookshelf Speakers / Sound Anchors Stands / Diamond Black

$3,999
B&W DM6 // Vintage Loudspeakers / The Pregnant Penguin

B&w Dm6 // Vintage Loudspeakers / The Pregnant Penguin

$1,599
JBL 4412 // Vintage Studio Monitors / Speakers

Jbl 4412 // Vintage Studio Monitors / Speakers

$1,499
Mark Levinson ML-2 // Solid-State Monoblock Amplifiers / Orig. Boxes / 2692-6

Mark Levinson Ml-2 // Solid-state Monoblock Amplifiers / Orig. Boxes / 2692-6

$4,500
Mark Levinson No. 33H // Solid-State Monoblock Amplifiers / Orig. Crates / 1646-7

Mark Levinson No. 33h // Solid-state Monoblock Amplifiers / Orig. Crates / 1646-7

$11,999
Audio Research VTM200 // Preowned / Tube Amplifier Monoblocks / 905-906

Audio Research Vtm200 // Preowned / Tube Amplifier Monoblocks / 905-906

$5,999
Magnum Dynalab MD108 // Vintage / Analog FM Tube Tuner

Magnum Dynalab Md108 // Vintage / Analog Fm Tube Tuner

$2,999
McIntosh MC60 // Vintage Tube Monoblock Amplifiers / Recapped and Upgraded

Mcintosh Mc60 // Vintage Tube Monoblock Amplifiers / Recapped And Upgraded

$5,999
Quad II / Quad 22 // Vintage Tube Monoblock Amplifiers and Preamp Set / Professionally Electronically Restored

Quad Ii / Quad 22 // Vintage Tube Monoblock Amplifiers And Preamp Set / Professionally Electronically Restored

$2,499
Audio Research LS9 // Vintage / Solid State Line Stage Preamplifier / 3

Audio Research Ls9 // Vintage / Solid State Line Stage Preamplifier / 3

$1,399
HiFiMAN H1000SE // Preowned / Planar Magnetic Headphones

Hifiman H1000se // Preowned / Planar Magnetic Headphones

$1,499
KEF Q750 // Preowned / Floorstanding Speakers / White

Kef Q750 // Preowned / Floorstanding Speakers / White

$999
Cello Audio Palette 0736 / Audio Suite 0033 / Master Supply 1086 // Vintage EQ & Preamplifier Set / Holy Grail

Cello Audio Palette 0736 / Audio Suite 0033 / Master Supply 1086 // Vintage Eq & Preamplifier Set / Holy Grail

ON HOLD
Mark Levinson No. 33H // Solid-State Monoblock Amplifiers / Orig. Crates / 1574-5

Mark Levinson No. 33h // Solid-state Monoblock Amplifiers / Orig. Crates / 1574-5

$11,999
Audio Research VT150 // Preowned / Tube Monoblock Amplifiers

Audio Research Vt150 // Preowned / Tube Monoblock Amplifiers

$4,499
SOTA Millennia // Vintage / Vacuum Platter Flagship Turntable / Restored

Sota Millennia // Vintage / Vacuum Platter Flagship Turntable / Restored

$6,999
Sequerra T-1 Mk IV // Vintage / Ribbon Tweeter / Serials 5 & 6

Sequerra T-1 Mk Iv // Vintage / Ribbon Tweeter / Serials 5 & 6

$4,499
MoFi Sourcepoint 10 // New / Bookshelf Speakers / Lowslung Stands

Mofi Sourcepoint 10 // New / Bookshelf Speakers / Lowslung Stands

$2,999
Wharfedale Super Linton // New / Heritage Speakers / With Matching Stands

Wharfedale Super Linton // New / Heritage Speakers / With Matching Stands

$2,799
Sequerra T-1 Mk IV // Vintage / Ribbon Tweeter / Serials 1 & 2

Sequerra T-1 Mk Iv // Vintage / Ribbon Tweeter / Serials 1 & 2

$4,999
McIntosh MC240 (Late) // Vintage / Stereo Tube Amplifier / Recapped & Restored

Mcintosh Mc240 (late) // Vintage / Stereo Tube Amplifier / Recapped & Restored

$5,499