The RR-77 is technically defined “ultra-low frequency pulse generator” and its domain includes audio electronics, listening rooms and, as we will see, the listeners. An accessory that improves the quality of sound and images and should also give us a perceptible sense of well-being.

Best Buy award winner! Made in Japan. Retail price $495

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The Klangmeister AK-1 is a transformer-coupled tube preamp using 1 pair of vintage Sylvania 7044 and Siemens C3m vacuum tubes. The volume control is a Tokyo OK-On resistor type volume attenuator. Chassis uses solid aluminium of different thickness to cancel resonances, plus hand-selected premium components used throughout. Made by Silbatone!

Ex-demo set in pristine condition. 6 months agent warranty.

Virtuoso series employs much of the advanced technology originally developed for the company’s flagship Vantage 5th-anniversary series. Virtuoso series sits comfortably between AudioSolutions’ Figaro and Vantage 5th anniversary series.

Three-way speaker system. Highly braced internal skeleton with complex all new Box-in-a-Box enclosure and multi-layer walls. Inspired by Vantage 5th anniversary speakers with many technologies borrowed from and advanced to fit for our new generation platform. We believe that Virtuoso is a dawn of a completely new generation of speakers at AudioSolutions and it starts with Virtuoso series.

Comes with 6 months agent warranty. New retail price $26,000 a pair.

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Electric 300B (white porcelain gold pin), egg-shaped graphite anode! Hook filament, gift box packaging (1pair), factory paired, it is a Full music model and has been highly rated as the perfect 300B by foreign audio magazines multiple times.

Used only a few times and practically new!

Normal retail is $850 a pair. I have an extra piece of this 300B tube (with original box) that can be purchased for $250 extra.

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After years of requests from existing high-end DAC owners, the LUMIN team have taken the finest components from the flagship S1 model and developed them specifically for digital processing and output.

Using a new dedicated LUMIN U1 processor adds upsampling and downsampling for every supported format all the way from 44.1kHz to DSD128 providing maximum DAC compatibility and optimization.

Transport-only unit based on the award-winning LUMIN S1

• 5 types of digital audio output including new USB
• Includes DSD512 22.5Mhz 1-bit playback
• PCM 44.1 768kHz 16 32-bit
• 4 exceptionally low-phase-noise crystal clock oscillators
• External dual-toroidal power supply
• Resampling to every supported format up to DSD128 and PCM384kHz
• upports DoP (DSD over PCM) for Optical, Coaxial RCA, Coaxial BNC & AES/EUB SPDIF

This is the streamer-only previous top model. Retails for $12,500

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Unique to behold, the Sparta is essentially two complete turntables—each including a skeletal, metal-framed plinth fabricated of solid aluminum boards with phenolic inserts—one situated immediately above the other. Both hang freely from the same, patented, four-post, pillar suspension system.

The dual-platters, spinning in opposite directions and driven by separate motors solve the problem of “torsional forces”, that are inherent in typical spring suspended sub platter ‘tables where the sub platter frame rotates in synch with the platter. In other words, as the platter spins, it produces frame movement because no platter, no matter how carefully balanced, is perfectly balanced.

While these torsional forces can be damped, Kronos completely eliminates torsional forces in its suspended designs, thus providing the isolation suspended ‘tables can provide, without the torsional movement downside.

Only played a few times and look like new! Comes with all accessories, including the latest wood-bodied record clamp. Please note, this comes packaged with the much more expensive 12" Black Beauty tonearm.

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The Bryston BHA-1 balanced headphone amplifier delivers the finest listening experience from a vast array of headphone types. Functionally a miniature power amplifier, our engineers applied the same robust design elements to the BHA-1 that have made our full-sized amps legendary worldwide. Unique to the BHA-1, six class A, fully discrete operational amplifiers generate up to 2 watts of power for exceptional dynamic range. The BHA-1 offers both balanced outputs and single-ended outputs for traditional headphones, as well as a pair of rear-mounted XLR outputs that enable users to operate the BHA-1 as a high-quality analogue preamplifier. Hear the best your headphones have to offer by powering them with a Bryston BHA-1.

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The Nottingham Spacedeck turntable is an exceptionally harmonious and musical component. Its heavy turntable made of cast metal is additionally dampened by rubber straps. A standard neoprene plate support effectively decouples the LP. The smooth-running drive motor is decoupled next to the drive, but visually forms a unit with the chassis. The tonearm base is acoustically optimized and offers space for tonearms from 9 inches to 12 inches.

The Nottingham Ace Space arm is a unipivot design that uses side stabilizer bars and tiny ball bearing chases to maintain azimuth. Nottingham has also developed a proprietary damping material the viscosity of which is such that it does not flow and does not require “settling time”. This material is applied to the center pivot and the stabilizer bars. Nottingham uses carbon fibre tubes with the fibres oriented the length of the tone arm not wrapped around it (like a bandage). This greatly increases the strength, resonance control and rigidity of the arm. Nottingham also uses an unusual headshell design. The headshell has an orientation that is in direct line with the tone arm and not offset in any way. The headshell also has no finger lift. These two features insure that the arm is properly balanced from side to side and that no uncontrolled resonances are running around the headshell.

This arm uses the same long grain carbon fibre tube but also uses a second tube as a liner. This helps dramatically with both rigidity and resonance control. The ACE Space also uses a threaded allen screw to make the selection and adjustment of VTA a simple step.

In excellent condition, and comes packaged with a Nagaoka MP 200 MM cartridge.

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True active bass absorption (and not noise cancelling) – the AVAA C20 is the first of its kind. Many people from the audio industry call it a revolution.

Easy to set up and move, no calibration required, and efficient like passive absorbers 25 times its size, the AVAA C20 takes care of any room modes between 15 Hz and 150 Hz.

• Absorbs room modes between 15 and 150 Hz
• Reverberation time is significantly reduced in this frequency range
• Effectiveness corresponds to an absorber of 25 times the size
• No calibration or adjustment to the room is required
• Mobile and flexible solution
• Dimensions (W x H x D): 424 x 509 x 300 mm
• Weight: 13 kg

In absolutely mint condition and looks like new!
Fully made in Switzerland.
Price listed is for 1 unit. 2 units available

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Lightly used.