Accessories
Amplifiers & Receivers
Analog
Cables
Computer Audio
DA Converters
Digital
Furniture
Headphones
Home Theater
Integrateds
Music
Power
Preamplifiers
Pro Audio
Smart Home
Speakers
Systems & Bundles
Turntables
Vintage
Browse All Categories
D.I.Y. & Repair
Equalizers
Literature
Tubes
Tweaks
View All Accessories
Multi-Channel Amps
Receivers
Solid state
Tube
View All Amplifiers & Receivers
Tape decks
Tuners
View All Analog
AC Cables
Cable Management
Headphone
Interconnects
Speaker
View All Cables
Media Servers
Parts
Sound Cards
View All Computer Audio
Computer/USB
Portable
Wireless
View All DA Converters
CD/SACD Players
Music Servers & Docks
Transports
View All Digital
Cabinets, Racks & Stands
Home Theater Seating
Room Treatments
Speaker Stands & Mounts
TV Wall Mounts
View All Furniture
Headphone Amps/DACs
In-Ear
On-Ear
Over-Ear
View All Headphones
Blu-ray/DVD/Universal Players
Processors
Projectors
Screens
Televisions
View All Home Theater
View All Integrateds
Alternative
Alt Rock
Big Band
Bluegrass
Blues
Classical
Comedy
Country
Dance / Electronica
Folk / Americana
Funk
Grunge
Indie
Jazz
Latin
Metal
Other
Pop
Punk
Rap / Hip-Hop
R&B / Soul
Reggae
Rock
Ska
Soundtracks / Musicals
View All Music
AC Conditioners
AC Distribution
View All Power
Passive
Phono
View All Preamplifiers
500 Series
Interfaces
Microphones
Mixers
Outboard Gear
PA Systems
Patchbays
Power Amps
Recording
View All Pro Audio
Audio
Controls
Home Automation Accessories
View All Smart Home
Bluetooth/Wireless
Full-Range
In-Ceiling/Wall
Monitors
Planars
Soundbars
Subwoofers
View All Speakers
Listening Room
View All Systems & Bundles
Cartridges
Cleaning Systems
Stylus
Tonearms
View All Turntables
Amplifiers
Audio Players
Pre-Amplifiers
Reel-to-Reel
View All Vintage
Brands
Browse
Sell
Explore
Learn
UEF Performance Enhancer - XLR / RCA Filter Synergistic Research UEF Performance Enhancers are a new UEF filter that lowers your system’s noise floor, so you hear more music with greater clarity and less noise for sweeter highs. SR starts with a new UEF Compound, first developed in conjunction w...
UEF Performance Enhancer - XLR / RCA Filter Synergistic Research UEF Perform...
Next stop, the Twilight Zone. Imagine listening to Charlie Parker at Birdland, then walk into Carnegie Hall and getting seated in the best seats in the house. This is possible when you add Atmosphere to your listening room. No other technology allows you to tailor the size and scale of your sound...
Next stop, the Twilight Zone. Imagine listening to Charlie Parker at Birdland...
Low Frequency Resonator Array - transform your listening room From the mind of Synergistic Research’s lead designer Ted Denney comes the Black Box. In development for over two years, the Black Box is now perfected and ready to transform your listening room. Alan Sircom of Hifi+ writes (12/2022): ...
Low Frequency Resonator Array - transform your listening room From the mind o...
NEW - Audio Magic Masterpiece CE Generators (Clean Energy Generators). As we all know noise is getting worse and worse each year and it can be bad for your audio system as well as your health. Audio Magic's new generators are passive devices which you simply set on top of equipment, speakers, bre...
NEW - Audio Magic Masterpiece CE Generators (Clean Energy Generators). As we ...
Synergistic Research HFT - expanding scale and dimension of your soundstage HFT, HFT 2.0 and HFT X are winner of a TAS Product of the Year Award 2017 and another PFO Brutus Award 2017. The HFT 2.0, HFT X and HFT Wide Angle take the HFT concept to exciting new levels. The HFT 2.0 is a warmer so...
Synergistic Research HFT - expanding scale and dimension of your soundstage H...
Barely used. Comes with original box and manual.
For your consideration we have the RCA 5692 Red Base MATCHED PAIR. These are very rare and hard to find NOS on the market. I have 38 total of these particular tubes so I can match your needed quantity. You are buying a matched pair of tubes. All tubes are tested on our Amplitrex AT-1000 tube test...
For your consideration we have the RCA 5692 Red Base MATCHED PAIR. These are ...
Very rare pair of Swedish made 33S30 tubes branded Telefunken. Crazy hard to find. Tested on our Amplitrex AT-1000 Tests NOS Fully insured shipping included. Please message with any questions you may have. Thanks for looking! Please follow us in our e-store using the follow dealer button. You'll...
Very rare pair of Swedish made 33S30 tubes branded Telefunken. Crazy hard to ...
For your consideration is this custom ordered set of Symposium Acoustics Svelte Plus Speaker Set 24" x 24". These were ordered for a project that never came to be and have been in temperature controlled storage since then They are still wrapped in plastic from the factory and have never been out ...
For your consideration is this custom ordered set of Symposium Acoustics Svel...
Harmonix ■ SF-200 Mate ■ insulator Very very rare. Discontinued model. The condition is very very good/beatuiful. I could not find any noticeable scratches (if there are). Please see the photos. They are suitable for CDP, DAC, Pre-amp, and Power-amp. (Tube or solid state) As the tips are round...
Harmonix ■ SF-200 Mate ■ insulator Very very rare. Discontinued model. The ...
One set of three Alto Extremo NeoFlex XL high end audio tuning feet in a fantastic condition. Just one of the best and most exclusive equipment feet! They are based on the principle of magnetic repulsion. Two extremely strong Neodym-magnets hold the weight of the overlying Hifi-device. Energy is ...
One set of three Alto Extremo NeoFlex XL high end audio tuning feet in a fant...
I bought this product from a dealer who never set it up for me. It is as clean as can be. It comes with everything you see in the pictures. My loss is your gain. I know it works, as the picture shows the blue light on when I plugged it in. I never used it. It will ship in it's original double box.
I bought this product from a dealer who never set it up for me. It is as clea...
Mother of all 300-B collection One Pair NOS Western Electric 300-B original issue test new One pair NOS Western Electric 300-B new issue One pair NOS KR Audio KR-300BXL No you are not seeing things, these are original NOS Western Electric 300-B’s. I bought these back in 2004 from as you can see...
Mother of all 300-B collection One Pair NOS Western Electric 300-B original...
McIntosh MI-3 Maximum Performance Indicator . In excellent condition. Restored cabinet, w/cleaned and working equipment. Tested and cleaned.
McIntosh MI-3 Maximum Performance Indicator . In excellent condition. Restore...
For sale original owner Marigo Clear Transformation CD interface mat -- this is now two back from Ron's latest model so selling this as I have upgraded to the newest VBM interface. The effect of adding any Marigo mat to your CD replay is not subtle -- it will tighten up the sound, adding precisi...
For sale original owner Marigo Clear Transformation CD interface mat -- this ...
Brand New matched pair of KT-170 tubes. They have been opened to look at the cool new shape but never used. Free shipping to the continental USA.
Brand New matched pair of KT-170 tubes. They have been opened to look at the...
E a u 4 Electraclear audiophile unit AC HARMONIC RESONATOR Sound like you’ve never heard before! Neutralizes noise from any 110/220 VAC 50/60 HZ wall outlet! The eau4 is the most affordable addition...
E a u 4 Electraclear aud...
One Omicron Tesla high end audio Cable stabilizer in a fantastic condition. Tesla is a cable holder that allows energy dissipation and regulate a magnetic flux in order to optimize electric current calibration on any cable. Tesla has the property of being able to regulate this magnetic flux in or...
One Omicron Tesla high end audio Cable stabilizer in a fantastic condition. T...
Only two for sale in this ad. Contact for all payment options. No further discounts.
Only two for sale in this ad. Contact for all payment options. No further d...
Buy Now Make an Offer View Product Details For fastest service, speak with one of our HiFi consultants:1-888-326-7490 (Mon - Fri) PLEASE NOTE: the above links will direct you to tmraudio.com where we can offer the fastest service, the most payment options (including no-interest financing terms) ...
Buy Now Make an Offer View Product Details For fastest service, speak with o...
New in box, unused. NAD AM17 module for the NAD M15, MAD M15HD and NAD M17 pre-pro home theater units. I bought it for a NAD pre-pro that I sold. Brand new never installed. Save a bit off of retail. Fast shipping. -- Update your NAD M17 preamp/processor with decoding for the most immersive ...
New in box, unused. NAD AM17 module for the NAD M15, MAD M15HD and NAD M17 p...
Buy Now Make an Offer View Product Details For fastest service, speak with one of our HiFi consultants: 1-888-326-7490 (Mon - Fri) PLEASE NOTE: the above links will direct you to tmraudio.com where we can offer the fastest service, the most payment options (including no-interest financ...
Buy Now Make an Offer View Product Details For fastest service, speak...
I am a registered commercial dealer on Audiogon. I have no communications restrictions with members. Check my feedback and please read on. I am not selling one-by-one. Four or multiples thereof is the minimum individual sale. Call pricing. Otherwise I have 21 Ultra 6 Gen 1's out of an Estate s...
I am a registered commercial dealer on Audiogon. I have no communications res...
US Shipping Only...Flat $25 I switched up streamers and no linger need the power supply.
US Shipping Only...Flat $25 I switched up streamers and no linger need the p...
*THIS LISTING IS FOR THE UPGRADED VERSION WITH ADDED VIBRATION DAMPENING* I looked into products from several companies, including the Cardas Multi Blocks, Cable Elevators, and the Shunyata Dark Field Suspension System. In the end, I decided to make these for use in my own system. They were much...
*THIS LISTING IS FOR THE UPGRADED VERSION WITH ADDED VIBRATION DAMPENING* I ...
Audio Archon is an Authorized Lateral Audio Stands Dealer, serving the Chicago area and areas without local representation. Discover new levels of audio performance with isolation for your audio player/processor/amp. ARENA APX isolates by having a contact surface of extreme low levels of energy ...
Audio Archon is an Authorized Lateral Audio Stands Dealer, serving the Chicag...
For your consideration is this matched quad of very rare GEC England KT88 tubes.These GEC KT88's have been tested on our Amplitrex tube tester and all test NOS. Please enquire if you need larger matched sets. From a collectors stash we have a limited supply of these super rare tubes. Please messa...
For your consideration is this matched quad of very rare GEC England KT88 tub...
I am selling a used Entreq Olympus Tellus ground box for my friend. This was the top model from Entreq which weight about 100 lbs. The Entreq ground box is used to drain away the dirty ground from any electronic component so your beloved gears can work their best. The more and the faster the dir...
I am selling a used Entreq Olympus Tellus ground box for my friend. This was ...
I have a used Entreq Poseidon ground box for sale. This was the second top of the line model at the time. The Entreq ground box is used to drain away the dirty ground from any electronic component so your beloved gear can work its best. The more and the faster the dirty ground left the component...
I have a used Entreq Poseidon ground box for sale. This was the second top of...
Please note: We stock only the slow-blow fuses. Fast-blow fuses need a short lead time. Master Fuse is an entirely new kind of Fuse. In the past, SR developed the highest resolution fuse given the current technology while voicing the fuses to complement a maximum number of systems. And for over ...
Please note: We stock only the slow-blow fuses. Fast-blow fuses need a short ...
The new Master Tuning Modules ($425 each) are now standard for the SRX Cables series. Master Tuning Modules are the most potent and musical UEF Tuning Bullets in Synergistic Research's 30-year history and work 100% outside the signal path. Your old tuning bullets for Synergistic Research's SRX, G...
The new Master Tuning Modules ($425 each) are now standard for the SRX Cables...
Hoping this will be on interest to a Superscope Corp. (Sony, Marantz) collector or fan. 1975 Bulova Tuning Fork Accutron Date Gold Filled Case Unisex Wrist Watch With Leather Strap. This is a 1975 Bulova Accutron watch rewarded to an employee for 20 years of employment. I am not a watch expert...
Hoping this will be on interest to a Superscope Corp. (Sony, Marantz) collect...