Audio Research Co. M300 MKII Amplifiers

Audio Research Corporation, Minneapolis, Minnesota. Pair of monaural model M300 MKII hybrid audio amplifiers. Serial numbers 87136010 and 87136015; with manual. Tested as working. Originally manufactu

Dimensions: H 6" x W 19" x D 12"Condition: Not tested, missing cover for one fuse in front, handles on front are bent.

2pc Stereo Amplifier and Digital Signal Processor. 1) AUDIO RESEARCH HD Stereo Line Amplifier 2) THETA DS Pro Basic Digital Signal Processer. Both incl. box.-- Dimensions: H: 5.5 inches: W: 19 inches:

A rare American LS 3 Model Pre Amp Power Stereo Line Amplifier D 120 audio research Made with Germanium transistors and tantal condensers. Volts 120. Serial 62459002. Marked, Audio Research, Minnetonk

Model numbers 300.2 and CD3 MKII. Dimensions: The CD player is 14" x 18" x 5 1/2" and the amp is 19" x 14 1/2" x 6 1/2".

Audio Research Phono2 Vacuum Tube Phonograph PreamplifierSerial #29304811 A two source phono preamp. With two sets of RCA input connectors on the inputs, and one set of BAL and one set of RCA output

2 Audio Amplifiers - Model HF-20... 9" tall x 15 1/4" wide x 8 1/4" deep

Description: Gale Research Co., Currier & Ives A Catalogue Raisonne Volumes 1 & 2; Material: Paper

(lot of 22) Vintage vacuum tubes for audio amplifiers, brands include: Chatham Electronics, RCA Radiotron Electron Tube, Tung-Sol, General Electric, Philips; all untested, 2.5lbs total (for shipping p

McIntosh audio amplifier, model MC-30, with McIntosh Unity Coupled Transformers, Type M-150-B. **Please Note: This item is NOT eligible for in-house shipping. Please refer to the terms and conditions

McIntosh audio amplifier, model MC-30, with McIntosh Unity Coupled Transformers, Type M-150-B. **Please Note: This item is NOT eligible for in-house shipping. Please refer to the terms and conditions

Believe this to be a vintage Brook Electronics All Triode Audio Amplifier Console with tubes. Probably model 10C3 30 watt

McIntosh MC30 - 30 watt mono audio amplifier (Tested- See Condition Report)

Creek 5350 black Integrated amplifier 115 V with serial # B004391 in original box. Dimensions 16 1/2" by 12"

JL Audio M4004, Marine 2/3/4 Channel Amplifier, Not Tested

Audio Research, Marantz, Carven, Sony, etc.

A SSR-5 B Receiver, American, Mid-20th century, serial no. 2052, with pickup coil, together with a telesonic receiver, serial no 5584 audio amplifier with loop, used for telephone intercepts, the whol

Manufactured in Boston, MA. This very unusual early speaker features a cast iron nautical motif. This speaker has been tested using a modern audio amplifier connected to an 8 ohm to 600 ohm matching t

Horn labeled "Pat. Applied for by the Miller Rubber Company". This speaker has been tested using a modern audio amplifier connected to an 8 ohm to 600 ohm matching transformer; it works and plays musi

Radio contains three tubes. Speaker has been tested using a modern audio amplifier connected to an 8 ohm to 600 ohm matching transformer; it works and plays music; producing reasonably good tone for a

Atwater Kent Model 20 radio with Model H loudspeaker. Radio has 5 tubes present. Speaker has been tested using a modern audio amplifier connected to an 8 ohm to 600 ohm matching transformer; it works

Radio untested - complete with tubes. Speaker has been tested using a modern audio amplifier connected to an 8 ohm to 600 ohm matching transformer; it works and plays music. Dimensions: (Speaker) H 19

Rauland-Borg three-input audio amplifier/mixer. Model 1916. Serial No. R0412106. Dimensions: 13.50 " W x 6.00 " H x 8.50 "D; 

(lot of 4) Audio equipment, including: (1) Rupert Neve Designs precision headphone amplifier, model RNHP, original retail price: $699.00, approx 2"h, 6.75"l, 4.75"w, (1) Massdrop x Eddie Current ZDT J