The first product developed by MUSICA is this acoustic conditioner. It is a product that fixes “habits” with devices placed in listening rooms, etc. It is a simple operation by simply changing the dB knob by combining the low, medium, and high band frequency knobs. Externally, there is a scratch on the top plate. Serial 719003 (Tamura Eiji)
Maintenance information: 2026.6.12 Operation confirmed
Accessories: instruction manual, power cable
Main specifications: frequency characteristics (-3.0 dB) 1 to 100 kHz level adjustment -10 to +10 dB (continuously variable) S/N ratio 90 dB frequency adjustment range low range 43 Hz to 260 Hz, mid range 260 Hz to 1.6 kHz, treble range 1.6 kHz to 10 kHz input impedance 47 kΩ output impedance 100 Ω W217 x D260 x H70 mm 3.6 kg
This is a tone control amplifier for freely correcting the balance of the vocal range! You won't get tired of just adjusting the range level, and it's a great thing that allows you to freely set the frequency level. Connect to the input side of the power amplifier and use it. Serial 737014 (Fujisawa Yukishi)
Maintenance information: 2026.6.12 Operation confirmed
Accessories: instruction manual, power cable
Main specifications: W144 × H69 × D262 mm 4.5 kg
The disposal price has been reduced! (Member prices are not applicable) 2026/5/27 sales price 248,000 yen Diatone pure audio premium speaker. The cohesion and good localization of the sound, which is typical of 2 ways, and the high sense of depth are outstanding. The high level of musicality, such as the sound and good tone typical of DIATONE from the 90s, is excellent, and the music is reproduced naturally and in detail. There is a feeling of use, such as a line scratch on the top surface and peeling veneer on the back. Serial 13157/13160 (Tomonori Asaine)
Maintenance information: 2026.5.27 sound output confirmed
Accessories: saran net
Main specifications: 2-way, 2-speaker bass reflex system, floor type, 4Ω, 89dB, magnetic-proof type, W350 x H900 x D365 mm, 40 kg
This is a rare pre-amplifier dedicated to X series vacuum tube lines. It also has 4 input systems, making it compact and easy to use. The warm, strong sound is attractive. Genuine H&C Serial RB00624 (Tamura Eiji)
Maintenance information: 2026.6.11 operation confirmed
Accessories: AC adapter
Main specifications: 4 line-only inputs ECC88 x 2 class A W110 x H110 x D220 mm
※The AC adapter is out of stock, so it's cheap. This is a rare X series D/A converter. The sampling is 48, 44.1, and 32 kHz, but you can enjoy the strong sound. Serial YY00624 (Tamura Eiji)
Maintenance information: 2026.6.6 operation confirmed
Accessories: none
Main specifications: W110×H110×D220mm
This is the company's X series tubular headphone amplifier. You can enjoy the warm feeling and clear sound unique to the tube type. It is a compact and easy to use item. Serial YB01033 (Tamura Eiji)
Maintenance information: 2026.6.11 operation confirmed
Accessories: AC adapter, instruction manual
Key Specifications: 47kΩ W110×H110×D220mm for impedance headphones
Pure Class A tube line buffer amplifier. By simply connecting a CD player or the like between amplifiers, you can get the soft and warm sound unique to vacuum tubes. Genuine H&C product. Serial XO06870 (Tamura Eiji)
Maintenance information: 2026.6.11 operation confirmed
Accessories: AC adapter, instruction manual
Main specifications: W110 x H110 x D220 mm 1.26 kg
A switchable tone controller for the company's X series. The low, medium and high range tones can be adjusted according to the frequency characteristics of the system. It's a car where you can easily enjoy changing the sound. Genuine H&C product. Serial JB00063 (Tamura Eiji)
Maintenance information: 2026.6.11 operation confirmed
Accessories: AC adapter
Main specifications: variable frequency low range 30/60/120 Hz, medium to high range 5K/10K/15 kHz W110 × H110 × D220 mm
The price has been reduced. 2026/5/20 sales price 79,800 yen Maintenance was completed in 2025/8. The 606 is thick and unimaginable from its compact exterior. The good sound unique to QUAD allows you to enjoy not only classical music, but also jazz vocals in a mild way. The high level of musicality that makes you enjoy the music with a pleasant tone stands out. Overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2026.5.20 Operation confirmed
2025.8.24 Maintained (±b bypass c in both CH boards, gain setting C replacement Lch power stage Tn x 1, poor characteristics → replacement
Operation test)
Accessories: power cable, copy of instruction manual
Main specifications: output 140W+140W (8Ω) frequency characteristics 20Hz to 20kHz (-0.5dB) 13Hz to 40kHz (-1.0dB) total harmonic distortion ratio 0.01% or less (up to 130W 100Hz/1kHz) input sensitivity 0.5V input impedance approx. 20kΩ crosstalk 100dB (100Hz) 85dB (1kHz) 65dB (10kHz) S/N ratio 105 dB speaker minimum load 4 Ω external Dimensions W321 x H134 x D240 mm Weight 12 kg
The price has been drastically reduced. 2026/5/20 sales price 69,800 yen Maintained! This is a rare power amplifier that has arrived for the first time. 100V specification A model that is the opposite of the company's XP-100. It seems to go well with European bookshelves, etc. Overall, there is dullness and dirt (Oikawa Tetsuji)
Maintenance information: 2026.5.20 Maintained (power supply power switch defective → replaced (processed and installed with a replacement product because the original is not available), spark killer capacitor disconnection replacement, main unit check sound OK. (If it is defective in the future, we will not be able to handle it due to unknown specification circuits and unavailability of parts)
Main specifications: 100W+100W (8Ω) W230 × H110 × D330 mm 3.8 kg (main unit only)
The price has been drastically reduced. 2026/5/17 sales price 79,800 yen Each switch, volume disassembly, cleaning, etc. have been maintained. First arrival! A rare Fidelity preamp. Although it is small, the specification with a separate power supply and no tone control unit is just like Fidelity. It is compatible with phono (MM) and is recommended as a separate introductory machine. There is overall dullness and small scratches (Oikawa Tetsuji)
Maintenance information: 2026.5.17 maintained (bad selector contact, mouse → cleaning, pin jack cleaning, each SW and VOL cleaning, internal C status OK, not compatible if IC, TV, etc. are defective in the future)
Accessories: power supply unit, power cable
Main specifications: W230 x H110 x D315 mm 3.4 kg (actual measurement)
※Shipping service. Special Issue No. 192 = Modern High End Speakers with [Classical] [Popular] Their Diverse Musical Expression/Thorough Audition of New Fall Models (Esoteric = K01X/K03X, Luxman = D08U/D06U, Vivid Audio = G4 GIYA, Magnepan = Mg3.7i, TAD = TAD Compact Evolution One, Weiss = Medus, Boulder = 2110, octave = HP700, Einstein = The Poweramp, Mark Levinson = No. 585, Kronos Audio = Sparta+Helena, Tekdus = TDC01 Ti)/Excellent Recordings in the Digital Age 20 Unknown Must-Listen Editions/Isabelle Faustong Interview/ Published 2014.9.2. Since the photograph is a sample, the actual product may be broken or there may be markings etc.
※Shipping service. A culture magazine for everyone who has been inspired by The Beatles/Close to the Mysteries of the Beatles Sound/Ringo Starr's Musical Activities/Publication: Produce Center
Maintenance information: B (spine burn) [Condition is determined on a scale of 3 from A to C. (See below for details)]