Vintage Preamps & Tube Preamps
vintage preamps & tube preamps — pre-owned
Browse 1,027 vintage preamps & tube preamps — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Manley Reference 200 Vacuum Tube Logic Mono Amps 2x Units (READ)
These two units are for parts only. Both units are missing the tubes. It looks like the bottom rubber feats. However, the face plate looks in fantastic shape for its age. Also, one of the switches on one of the units is missing as shown in the face plate of the unit in the pictures.

Carver C-4000 Sonic Holography Autocorrelation Preamplifier
I am not an operator and don’t have the knowledge to fully test myself.

Vintage Dynakit PreAmp Tested Working
Tested by my Amp Tech. Found in good working order. Needs One Knob.

Onkyo P-3200 Preamplifier With Matching T-4000 Tuner
Rare vintage, Japanese-made infrared remote-controlled stereo preamplifier known for its clear, high-quality audio reproduction, often paired with the M5130 power amplifier. With matching tuner. No remote unfortunately

Opera Consonance T1 Vintage Tube Preamplifier
The Opera Consonance T-1 is a tube line preamplifier designed and built in Beijing by Opera Audio, a Chinese manufacturer that has earned quiet respect among tube enthusiasts worldwide. Key details.

McIntosh C28 Stereo Preamplifier Tested Excellent Working Condition Pre Amp
McIntosh C28 Stereo Preamplifier acquired from the estate of the original owner. Thoroughly tested all inputs (including phono) and outputs pass a strong dedicated signal. This unit is a half century old so although it has been given a clean bill of health it should be checked over by a competent tech.

Carver C-4000 Sonic Holography Autocorrelation Preamplifier

Vintage Dynaco PAS-2 Working Controls Cleaned Vintage GE 12AX7 TUBES See Desc
You are looking at a Dynaco PAS-2 preamplifier. Made in USA. It has been tested and all functions work. The left channel is slightly louder than the right channel suggesting a recap should be considered. Vintage GE 12AX7 tubes that test strong on a Knight tube tester. There is a dent on the back of the unit (see photos). I have owned this unit since the 1970's and have used it from time to time. I have always brought it up on a variac if in storage for a while. It is 100% original, no mods or repairs. Check my feedback. I will only ship to the USA. No exceptions.

Classic Harmon Kardon Citation I Preamplifier
Classic H/K Citation I preamplifier. From a large audiophile estate. There appears to be no mods. Missing tubes. power transformer and one knob I can see. Wiring etc appears original. All controls operate. Untested of course

Vintage 1970’s Marantz 3250 Preamplifier Tested WORKS
This Marantz was an estate find. I fully tested it and it works. As you can see the middle knob switch cover is missing. I do not guarantee any vintage electronic equipment. This could last for years to come or could need immediate servicing in the near future. When purchasing 40-50 year old electronics this is the inherent risk we all take. ALL SALES ARE FINAL, NO REFUNDS, NO RETURNS. I only ship ground to the 48 States.

pioneer spec 1 preamplifier 1970’s
1970’s pioneer spec-1 preamplifier. This is the gold standard in pre amps high sought after for their sound and the quality of the build. This are and will always be classic from the golden era of Japanese high fidelity this unit is working and sounds great As is with all vintage electronics we are selling as is no returns. Buy with confidence check our 100% positive feedback

Dynaco PAS 2 Tube Stereo Preamplifier Original Survivor Excellent Working Cond.
Dynaco PAS-2 Tube Stereo Preamplifier. Thoroughly tested all inputs including phono and outputs pass a strong signal. This particular example is an original survivor. It has never been serviced and still has its original Dynaco issue tubes.

Dynaco PAT 4 Knob Fits Input Selector or Volume Original - 1 Knob
Dynaco PAT 4 Knob Fits Input Selector or Volume Original - 1 Knob. Used. Standard Ship. Thank you

Dynaco pat-4 preamplifier

Robert Grodinsky Research (RGR) Model Four Stereo Preamplifier
This preamplifier, known for its high-quality sound and performance, has been serviced to ensure optimal functionality.

NAD Monitor Series 1700 Preamp Tuner
This is a NAD 1700 preamp tuner on good working condition. It has a few dings and scratches from normal wear.

Vintage 1970s Phase Linear 4000 Autocorrelation PreAmplifier Control - Working
Vintage 1970s Phase Linear 4000 Autocorrelation PreAmplifier Control - Working

GENERAL ELECTRIC DUAL MONO TUBE PREAMPLIFIER 5692/6SN7 5693/6SJ7 TESTED
GENERAL ELECTRIC MONO PREAMPLIFIER PAIR 5692/6SN7 5693/6SJ7. It may be good for microphone or reel to reel use. In this case the sale for not working or for parts only.

Fully Recapped Vintage Crown IC-150A Stereo Preamplifier
Excellent Sounding Crown IC150A Stereo Preamplifier in Very Good Overall Cosmetic Condition. Preamp has been cleaned, fully tested and all function are operational. All Electrolytic capacitors have been replaced through out the unit. All Pots cleaned & lubricated with F5. All controls, switches and inputs cleaned with D5. Cosmetically does show signs of use. Please see pictures for more details.

🔥PHASE LINEAR Model 3300 Series Two Preamplifier 80's w/Rack Handles Silverface
PHASE LINEAR Model 3300 Series Two Preamplifier.

Carver C-4000 Sonic Holography Autocorrelation Preamplifier
The Carver C-4000 Sonic Holography Autocorrelation Preamplifier is a vintage audio device manufactured in the United States by Carver. This unit, with model number C-4000, is designed to enhance the sound quality of audio signals using sonic holography technology. A preamplifier typically functions to boost the weak signals from audio sources before they are processed by other audio equipment, providing higher-quality sound reproduction. Ideal for vintage audio enthusiasts looking to improve the performance of their stereo systems, the Carver C-4000 offers a unique and high-quality audio processing solution. Tested and working.

Bottlehead Preamplifier Kit
Foreplay preamplifier kit.

Adcom GFA-5400 Stereo Power Amplifier - 125Wpc - MOFSET & Toroidal Transformer
Adjusted to Specification. See the demo video in description.

Original Sansui AU-717 Toggle Switch Covers Knobs (6 available)
Removed from a working AU 717.

Conrad Johnson PV6 Stereo Tube Preamplifier 12AX7 5751 12AT7 SERVICED & WORKING!
For sale is a Conrad Johnson PV6 vacuum tube stereo preamplifier. This preamp uses 1 12AX7, 3 5751, and 3 12AT7 vacuum tubes. This was kept in as original condition as possible.

Sony TA-E86B Vintage Stereo Preamplifier W/ Original Manual
Frequency response extends from 5Hz to 500kHz, THD is 0.003%, and signal-to-noise ratio reaches 105dB on line inputs. A rare and historically significant piece of Japanese high-end audio engineering from one of the most inspired periods in Sony’s history.

Nakamichi CA-7A preamplifier Excellent!
Unit is in excellent physical condition and excellent working condition. All inputs have been tested. Very minimal marks.

Tandberg 3002 A Control Amplifier Preamp Made in Norway Powers On Untested
• Model: 3002 A. Unit powers on, but it has not been fully tested. Powers on, fully untested. • Front panel lights up / powers on.

BGW 202 "RARE VINTAGE" Professional Pre Amp "Made In U.S.A."
These BGW 200 Series pre amps are almost impossible to find! "RARE" Please read about description in the photos above. I love this pre amp! This unit was recently serviced by Carl at the Legendary "Island Music".

Phase Linear 2000 preamplifier. 1970's. PARTS or REPAIR ONLY. Powers on.
This Phase Linear 2000 stereo preamplifier does power on but is not thought to be fully functional.

Carver C-5 Preamplifier Tested Works
The Carver C-5 preamplifier is a vintage audio device originating from the United States. This preamplifier, from the well-known brand Carver, is designed to enhance the sound quality of audio signals before they are amplified. Tested and confirmed to work, this vintage preamp is a valuable addition to any audio enthusiast's collection, offering a touch of nostalgia and classic audio performance. This is listing is for the Carver C-5 preamplifier, the power amp shown is NOT INCLUDED, shown only to show functionality

Luxman CX-100 Stereo Preamp -Recapped & Serviced & Custom Blue LED Sounds GREAT
Has been recapped and serviced by original owner… back around 2020… I occasionally used and sounds great! I acquired this years back… previous owner customized with blue leds and serviced….

Crown DL2 EQ PreAmplifier with Phono, Power Supply, Cabinets Manual SOLD AS IS

Dynaco PAT 4 1/4 Headphone Jack Outputs To Amp RCA Jacks
Dynaco PAT 4 1/4 Headphone Jack Outputs To Amp RCA Jacks. Standard Ship. Thank you

Dynaco PAT 4 Chassis Foot - 1 foot
Dynaco PAT 4 Chassis Foot. Used. Standard Ship. Thank you

McIntosh MX110 Z Stereo Tube Preamp Tuner Receiver
Great sounding McIntosh Stereo Tube Preamp / Receiver.

Dynaco Pat-4 Stereo Preamplifier
Clean and appears to be an all original pat 4 preamp. Got this with a large lot of equipment. Someone replaced the power cord with spades. Selling for parts or repair. Not tested.

Luxman CL34 12AX7 12AU7 Tube Stereo Control Center Preamplifier Duo-B - SERVICED
This preamplifier and all its parts are being sold “as is.

Used MACKINTOSH C24 Control Amplifier
It has been tested for power and appears to be functioning, but we cannot speak to its overall condition.

Vintage Mcintosh MQ107 Custom Environmental Equalizer, Tested And Works
The Vintage McIntosh MQ107 Custom Environmental Equalizer is a high-quality audio device manufactured in the United States by the renowned brand McIntosh. This preamp features a custom environmental equalizer, providing superior sound quality for vinyl records and other audio sources. Tested and confirmed to work, this rare find is perfect for vintage audio enthusiasts looking to enhance their collection with a piece of American craftsmanship.