This is a SONY condenser microphone that uses a new high-quality capsule unit. It is ideal for collecting high-quality sound from musical instruments, speeches, etc. There are no noticeable scratches on the exterior (Wang Zhan)
Maintenance information: 2026.3.5 operation confirmed (sound output check OK)
Accessories: instruction manual, cable, original box
Main specifications: Electret condenser type frequency characteristics 20 to 20,000 Hz approx. 0.8 kg (incl. accessories)
A high-grade model with a platinum-coated double pole terminal that achieves outstanding durability and excellent contact properties. The spacing is 19mm. It is also compatible with banana plugs, and uses a hole where up to 5.5 mm diameter cables can be attached. There is discoloration on the case due to aging, and there is dullness around the terminals (Kojima Yosuke)
Accessories: case, tools
Main specifications: Outer diameter 17 mm x 2 length 44.5 mm The inside of the overhang is 9.5 to 14.0 mm, the outside is 29.0 mm, and the bowling diameter is 11 mm x 2
Fostex 1dB step transformer attenuator. It uses a large single-turn transformer and a highly reliable rotary switch with low contact resistance. The input/output terminals are tight-fitting. *The red and black terminals on one side are attached in reverse. The exterior is dull and has small scratches (Satoshi Yonejima)
Maintenance information: 2026.3.1 operation confirmed
Accessories: No accessories
Main specifications: 8Ω allowable input 100W (when using a network) attenuation 0 to 12 dB size W88 x H90 x D170 mm approx. 970 g
Comes with original box, good condition! LUXMAN's classic line selector. It is an easy-to-use and convenient model that outputs from 1 input system to 4 systems, and conversely, outputs from 4 input systems to 1 system. It is in good condition with no noticeable scratches. (FUJISAWA KOSHI)
Maintenance information: 2026.3.1 continuity confirmed
Accessories: instruction manual, original box
Main specifications: 1 input system, 4 output systems, W160 x H65 x D95 mm, 530 g
A cable enhancer that is used by attaching it to a cable. An improvement in the signal-to-noise ratio and an increase in range can be expected. Since it is machined, it has a solid weight. (FUJISAWA KOSHI)
Accessories: No accessories
Main specifications: maximum mounting cable diameter 20 mm 290 g
A small, connectable acrylic shell keeper. You can store it while the cartridge is attached to the shell. The exterior is dull and has a feeling of use (Takahashi Nobuyuki)
Accessories: none
A Schumann resonance wave (7.83 Hz) generator that increases the S/N ratio by canceling electromagnetic waves etc. generated from the entire audio equipment. Without being connected to a device, it exerts presence effects with a natural atmosphere, such as an expanded dynamic range and a clear sense of subtlety in every detail. *Please use at least 1 meter away from the audio device to avoid interference (Yoichi Murakoshi)
Maintenance information: 2026.3.1 operation confirmed
Accessories: original box, instruction manual, AC adapter
Main specifications: dimensions W140 x H50 x D170 mm dead weight 203 g
A high-grade outlet cover that accurately holds points that are often overlooked around the power supply. The hybrid structure of stainless steel+damping material suppresses unnecessary vibrations and improves the quietness of the sound field and the sense of S/N (Asaine Tomo)
Accessories: original box
Kikutani monitor speaker stand Constructed of heavy duty steel and aluminum An uneven rubber coating is applied to the top surface to prevent accidental falls. It is possible to switch between 4 levels of height and 10 levels of inclination (Murakoshi Yoichi)
Accessories: rubber sheet
Main specifications: top plate 220 x 180 mm bottom plate W200 x HD 175 mm height 288/277/256/239 switching load capacity 7.2 g 6.46 kg (pair)
It is an arm base that can be used with micro 1500/5000/8000 series. It has a sturdy construction. There is a feeling of use on the exterior such as scratches and dullness (Asaine Tomoho)
Accessories: none
Main Specifications: Brass Arm Base Compatible Arms: Micro MA-505X/505S/707X, EMT 929, Ortofon RS-212/RMG-212-2, Audio-Technica AT-1005-2, Audio Craft AC-300C, DENON DA-303/305/307/309/401, FR FR-54/24MK2, SAEC WE-308N/ 308SX/407-23, Grace G-545F/707/840FB/940/945S, etc.
A small, connectable acrylic shell keeper. You can store it while the cartridge is attached to the shell. The exterior is dull and has a feeling of use (Takahashi Nobuyuki)
Accessories: none
This is a solid turntable mat made of special metal. Resonance in the low frequencies is stopped, and deep low frequency reproduction such as sinking is possible. It can also be expected to be useful as a countermeasure against howling. Serial 4152 (Fujisawa Yukishi)
Accessories: No accessories
Main specifications: Diameter measured approx. 300 mm, dead weight approx. 870 g
Speaker selector for audio design. This is a convenient selector for those using multiple speakers. The changeover switch uses a rotary switch made by Seiden, and is equipped with terminals that can also be used with Y-lugs and banana plugs. The exterior is in good condition with no major scratches (Hiura Katsuji)
Maintenance information: 2026.2.24 continuity confirmed
Accessories: none
Main specifications: 3 input systems/1 output system or 1 input/3 output system Seiden 43 type gold-plated contact switch OFC wiring material W210 x H90 x D180 mm 1.6 kg
※There are only 2 spikes. It is a highly effective insulator that is made of non-character material that does not add a unique tone, improves the signal-to-noise ratio and reinforces the strong low frequencies heard by damping. The exterior is dull (Mizusaki Ryo)
Accessories: instruction manual, original box
Main specifications: diameter 30 mm, screw part φ4 mm, 27.6 g/1 piece
Set of 4. African ebony 32mm diameter spike holder base By itself or in combination with the company's PB-9, it can be placed under a speaker, amplifier, etc., to improve sound quality. There are spike marks on the exterior (Yonejima Satoshi)
Accessories: No accessories
Main specifications: diameter 32 x thickness 12 mm
Comes with original box! Set of 4. High quality banana plugs carved from solid brass. The terminals are machined from solid brass and finished with 24K gold plating. Since there are fixing screws at 2 locations, the tip and the root, the cable can be firmly fixed. (FUJISAWA KOSHI)
Accessories: original box, hex wrench, screws
Main specifications: machined solid brass, 24K gold plating, 21.5g/piece
It is very similar to the J1 Project insulator, but there is no compatible size, and details are unknown. Set of 4 There is stickiness due to deterioration on the back side (Ryo Mizusaki)
Accessories: none
Main specifications: diameter 39 mm thickness 3 mm weight 7.1 g/piece
Unspecified set of spikes and spike receivers. The material and color differ depending on the spike and spike receiver. The exterior is dull, dirty, etc. (Ryo Mizusaki)
Accessories: none
Main specifications: spike dimensions: height: 20 mm, diameter: 25 mm, spike receiving dimensions: diameter: 27 mm, thickness: 5 mm
Unspecified set of 3 metal insulators Felt with a thickness of about 1 mm is attached to the front and back (permanent future)
Accessories: none
Main specifications: Dimensions: W40 x H20 x D40 mm Weight: 100 g/piece
JEWELTONE multi-purpose stabilizer. It is an excellent one with a level in the center and a strobe on the outer circumference. It also weighs 700g and is quite heavy. There is paint peeling on the exterior (Murakoshi Yoichi)
Accessories: none
Main specifications: dry level with crystal glass+stainless steel bearings with stroboscope, diameter 80 mm x height 38 mm, weight 700 g
ROYD speaker stand. This stand has a smart design yet is sturdy and has a sense of stability. Spike is out of stock (Oikawa Tetsuji)
Accessories: none
Main specifications: Top plate: W200 x D185 mm Pedestal: W410 (maximum) x D280 x H565 mm (excluding spikes) 6.5 kg (actual measurement)
The Philips CD line transformer has arrived for the first time in 6 years! Strong construction with an earth-line floating structure and a non-magnetic aluminum case. It brings smoothness and softness to sound quality. On the exterior, bumps can be seen in places. Serial MZ019341030027 (Fujisawa Yukishi)
Maintenance information: 2026.2.27 Operation confirmed
Accessories: No accessories
Main specifications: W150 x H65 x D145 mm 990 g
Set of 4 Audio-Technica banana plug screw tightening method It is a rear connection type that allows easy speaker settings, and is compatible with banana jacks with a diameter of 4 to 4.5 mm (Ryo Mizusaki)
Accessories: none
Main specifications: brass+ABS resin, gold plated treatment, 8g
A single outlet model that is particularly highly rated in the FURUTECH high-end series. It is a model that achieves long-term stability of a conductor with good sound, reliable contact pressure, and contact pressure of the electrode by using a 2-way conductor with an independent pure copper electrode (blade receiving part) and a contact pressure spring (Murakoshi Yoichi)
Maintenance information: 2026.2.22 continuity confirmed
Accessories: none
Main specifications: rhodium plating with PSE mark for one bite size: W47.2 x L104.0mm x H28.0mm Suitable wire: 10AWG (MAX)
PSE standard audio grade wall socket without plating treatment. There is no unpleasant coloring and the freshness and moisture of the sound increases. (FUJISAWA KOSHI)
Maintenance information: 2026.2.25 continuity confirmed
Accessories: No accessories
PSE standard audio grade wall socket without plating treatment. There is no unpleasant coloring and the freshness and moisture of the sound increases. (FUJISAWA KOSHI)
Maintenance information: 2026.2.25 continuity confirmed
Accessories: No accessories
This is a full-tech high-end grade outlet cover. The beautiful finish and hybrid structure of carbon and glass fiber damping materials on a stainless steel base have achieved vibration suppression effects (Murakoshi Yoichi)
Accessories: none
Main specifications: 71.8 x 166.2 mm