Vintage Tube Amp

The world’s largest online retailer of pre-owned audio. Luxman MQ-88c Stereo Tube Power Amplifier. # of Owners: 1. Cosmetic Condition: Fair overall including some visible scratches on all four corners of the chassis, along with some chipping in the finish down the sides of the transformer cases. Additionally one red binding post has a broken plastic head. This binding post is still fully functional- the broken post is entirely cosmetic. This amp does show a few blemishes, but is attractive overall and has been well cared for. What is Included: Power Amplifier, Seven Luxman 50CA10 Tubes, Two Luxman 6240G Tubes, Two Luxman 6267 Tubes, Manual. Functional Notes: Operational condition of this item is excellent, fully tested and no issues found. Items with factory packaging will be double boxed. (for all items over 10 lbs). Your online source for the best value in new and used audio gear. The Music Room is the largest online retailer of pre-owned HiFi equipment in the world. Headquartered in beautiful Boulder Colorado, The Music Room is a team of 17 strong (and growing) music lovers – all dedicated to one singular mission: delivering the very best online shopping experience in the audio industry – period. We specialize in well-cared for, previously used gear because that is what we are passionate about. We feel that there is nothing more fulfilling than creating a high-performance system on a budget with carefully selected used components, speakers and cables. Our program is safe, secure, fast, fair, hassle-free and highly effective. We will appraise your equipment and make you a quick, easy, fair cash offer. Just fill out our “get a quote” form on our homepage to start the process. Trade: Make your budget go further with a generous trade-in allowance. Let us know what you have available, and we’ll get you the best possible trade-in allowance. Consign: We offer a hassle-free way for individuals and businesses to liquidate used gear. Leverage our world-class reputation and get exposure in multiple sales venues – putting your product in front of over 570k monthly shoppers. Our program is Safe, Secure, Fast, Fair, Hassle-Free and Highly Effective. With 100% feedback ratings in every venue in which we sell, you can rest assured that we’ve got your back. Quality Assurance: We offer 15-20 new product listings for sale daily. Each product undergoes an extremely rigorous quality-assurance and listening session by one of our qualified technicians. Our quality assurance program is informed by a knowledge-base built through delivering over 30,000 used audio products to satisfied customers. We promise to deliver your product in good working order – exactly as described 100% of the time. Support: We don’t just make promises. We stand behind them – your satisfaction is guaranteed. Our support team is ready to help you with any questions you might have before and after the sale. Value: In the never-ending pursuit of high performance, it’s important to stretch your limited budget as far as possible. There’s simply no better way to maximize a limited audio budget. Packaging: We’ve invested thousands of dollars and countless hours into mastering our state-of-the-art packaging process. Our custom foam-in-place packaging system allows us to safely package almost any item regardless of irregular shapes or sizes. Be seen by over 70,000 monthly visitors. These rates are clearly posted on each product page. If you have received an item that is defective in some way, we will make it right.

### Vintage Western Electric Tube Power Supply / Amplifier Chassis – Featuring TRANS D-163046. Up for sale is an incredibly rare, untouched vintage Western Electric power supply and amplifier chassis assembly from the late 1940s/1950s Cold War era. Originally engineered for the heavy-duty Bell System long-distance carrier networks, these industrial grey chassis are globally renowned today as the ultimate foundation for building custom luxury tube preamplifiers, phono stages, or mono-block guitar tube amps. This unit is a complete goldmine of original, high-grade Western Electric iron and components that are highly sought after by audiophiles worldwide. #### KEY HIGH-VALUE COMPONENTS INCLUDED. Main Power Transformer: Western Electric TRANS. D-163046 (Legendary nickel-iron Permalloy core with pure copper windings). Network Capacitors: 2x Western Electric GA-50920 Oil-Filled Filter Capacitors. Inductors: Original Western Electric RET (Retardation) Coils / Chokes. Chassis Markings: Beautifully stenciled industrial gray metal frame. #### PHYSICAL & COSMETIC CONDITION. The main chassis is in solid cosmetic shape with clean original factory paint and sharp stenciled labels. However, the capacitor itself remains completely bone-dry with NO oil leaks, and the original internal wiring harness and solder joints remain firmly attached to the terminal pins underneath. The other components, transformer blocks, and terminals are visually intact. Freshly recovered from a closed local estate storage cleanout. This is an incredibly heavy, dense block of industrial steel and copper. We take packaging seriously. This unit will be heavily wrapped in multiple layers of large-cell bubble wrap, packed securely inside a rigid inner box, and then DOUBLE-BOXED into a heavy-duty outer carton lined with thick foam insulation board. It will be bulletproof for transit.

The Vintage Kepco H B Regulated DC Supply Tube Power Supply, Model HB4A-M, is a high-quality DCV power supply perfect for electrical equipment and industrial use. With the trusted Kepco brand and series C46074, this power supply offers reliable stability and regulation for your power supply needs. Its vintage design adds a touch of nostalgia to your workspace while providing efficient and consistent power output.

Pioneer SM-70 SF-70 OD-240 Vintage Tube Amplifier Audio Set Power Tested. Rare vintage Pioneer 3-piece tube audio component set including the SM-70 stereo power amplifier, SF-70 electronic crossover network, and OD-240 control amplifier unit. Audio output and detailed functions have not been tested. The units show scratches, stains, oxidation and age-related wear consistent with vintage equipment. Only the items shown in the photos are included. Information for International Buyers.

Vintage RCA MI-9289-B professional tube power amplifier, offered in as-found and untested condition. The chassis is factory marked MI-9289-B and retains its RCA identification plaque marked Radio Corporation of America, Meadowlands, PA, serial number M2004. The amplifier appears largely original and unrestored internally, retaining its large transformers, meter assembly, controls, wiring, tube sockets, and extensive original-era components as pictured. The amplifier retains tubes in the chassis positions marked RCA-6SN7GT, 12AY7, RCA-6L6GC, and both RCA-0D3 positions. All four factory-marked 6550 output tube positions are empty. The installed tubes have not been tested and are included as found. Cosmetically, the amplifier shows considerable wear from age, use, and long-term storage, including dust, grime, oxidation, discoloration, scratches, and general surface wear throughout. The meter is present and the front controls move mechanically. No attempt has been made to clean or cosmetically restore the unit. Due to its age and apparently unrestored condition, I have not attempted to apply power to the amplifier. It is completely untested and should be inspected and serviced by a qualified technician prior to use. No representation is made regarding the electrical condition of the transformers, tubes, capacitors, meter, or other components. This is an exceptionally substantial piece of vintage RCA professional audio equipment and is being offered as pictured for restoration. Please review all photos closely for exact condition, configuration, components, and completeness. Items come from a smoke & pet free home. Reference the photos and description carefully to see the quality of the exact product you will receive. Please reach out with any questions!

Up for sale is a vintage H. Scott Type 232 monoblock tube power amplifier in working condition. The amplifier has been tested and produces audio output. The Type 232 is one of H. Scott’s classic high-fidelity monoblock amplifiers from the golden age of American tube audio. Known for its excellent build quality, substantial transformers, and outstanding sound performance, it remains highly desirable among collectors and vintage hi-fi enthusiasts. This amplifier retains its vintage character and appears largely original. It is an excellent candidate for use, restoration, or collection. Features. Vintage H. Scott Type 232 monoblock power amplifier. Classic American high-fidelity tube design. Heavy-duty power and output transformers. Vintage point-to-point wiring construction. Made in USA. Please review all photographs carefully, as they are an important part of the description and condition report. A desirable vintage H. Scott monoblock amplifier for collectors, audiophiles, restorers, and enthusiasts of classic tube equipment. We will reply you within 24 hours. (except weekends and holidays). All emails and orders will NOT be processed during weekends and holidays, orders will be dispatched only on Wednesdays to the continental United States. We will offer help to solve your problems as fast as possible. We are here to help! If get here it means that you read the entire description and saw all the photos, have a nice day and thank you for shopping with us.

FOR YOUR CONDERATION IS A. WEIGHT: 10 LBS 8 OZ. BENCH TESTED WITH MULTIMETER. CONTINUITY CHECKS OUT ACROSS ALL WINDINGS AND PRIMARY/SECONDARY VOLTAGES READ STRONG AND STABLE UNDER NO-LOAD TESTING. ALL LEADS IN GREAT SHAPE. SOME SCRATCHES ON CASING AS PICTURED. Built to power large commercial/theater tube equipment or massive multi-channel broadcast setups. To put it into perspective, a standard vintage guitar amplifier or hi-fi stereo amplifier usually only requires a 6.3V tap rated between 2A and 5A. A transformer pulling 15.5A + 2.5A is massive “industrial-grade iron” designed to light up the filaments of an entire rack of power tubes simultaneously. It was used to supply heater current for. Large Theater & Cinema Amplifiers: Legacy Altec/Western Electric style multi-tube sound systems designed for movie theaters (where multiple large power tubes like 807s, 6L6s, or KT88s ran concurrently). Broadcast/Radio Transmitter Gear: Station modulation equipment and multi-stage studio amplifiers. Massive Industrial Power Supplies: Centralized laboratory or theater sound system rack power bays. WILL BE PACKAGED WITH EXTREME CARE TO SURVIVE TRANSIT. ANY QUESTIONS, PLEASE ASK.

Vintage Triad R-200A power transformer, tested and working. Rated 115V primary, 400V C. At 400mA, plus two 6.3V 3A windings. Shows normal cosmetic wear from previous use.

120 volts AC input US voltage.