Accuphase's core preamp. It inherits the design technology of the higher-level model C-2800 and is equipped with AAVA volume control. You can enjoy high transparency and pure sound with fine particles typical of Accuphase. Exterior, small scratches on the INPUT selector dial, scratches on the left corner of the front window, small scratches on the remote control, dullness, and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.5 operation confirmed
Accessories: remote control, instruction manual, power cord, connection cord, original box
Main specifications: 7 line preamp input systems (RCA x 5, XLR x 2), 3 output systems (XLR x 1, RCA x 2) W465 x H150 x D405 mm 16.2 kg
Phono cable 1.2m 5pin-RCA high-purity 6NCU hybrid core wire 7-layer double 2-core shield structure, high quality cable that strongly shuts out induced noise. Comparing various cables as a standard for phono cables is also fun. The degree is generally good (Murakoshi Yoichi)
Maintenance information: 2024.5.16 continuity confirmed
Accessories: original box
This is a phono equalizer amplifier using FET. Excluding local feedback, the overall CR type circuit configuration is compatible, and MM/MC switching is handled by first-stage FET gain switching. The sound is neutral and unobtrusive. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.14 Operation confirmed
Accessories: power cable
Main Specifications: Input Terminal Unbalance (RCA) 1 System Output Terminal Unbalance (RCA) 1 System mm3mV MC0.25mV W102 x H112 x D209 mm 1.0 kg
※The dust cover is missing. Maintained! Sony's first fully automatic player. Equipped with a biotracer that electronically controls all complex movements of the tone arm. An ambitious Japanese work packed with every gadget imaginable at the time! Needle pressure can be adjusted simply by controlling the knob on the front panel, and the applied needle pressure value is digitally displayed. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.2.27 Maintained (main unit internal inspection grease coating, cleaning) *At low temperatures, an offset will occur when the arm is forcibly fed by manual operation. The current situation is that stable operation is not possible unless the room temperature or the temperature inside the main unit rises to a certain extent (room temperature).
Accessories: none
Main specifications: Crystal Rock D.D. Fully automatic player system, needle pressure adjustment range 0.5 g to 3.0 g, W500 x H175 x D430 mm, approx. 15 kg
Denon network player. Starting with streaming services and internet radios, you can play back a variety of sound sources, such as music servers (NAS/PC/Mac, etc.) on a local network, sound sources stored on USB memory devices, smartphones, tablets, and Bluetooth devices. Serial BBG36200101300 (Murakoshi Yoichi)
Maintenance information: 2024.5.16 sound output confirmed
Accessories: remote control, instruction manual, power cord
Main specifications: digital audio input terminal, USB-A input x 1, analog audio output terminal... balanced output x 2, headphone output x 1, digital audio output terminal, optical digital output x 1, others/NETWORK x 1, Wi-Fi/Bluetooth antenna terminal x 2, IR control output x 1 W434 x H107 x D312 mm 3.9 kg
A stabilized power supply that improves sound quality by supplying a stable power source with very little noise to USB devices in place of PC bus power. It plays a part in upgrading the USB data you have (Murakoshi Yoichi)
Maintenance information: 2024.5.11 sound output confirmed
Accessories: AC adapter
Main specifications: AC100V output voltage DC5V maximum current 500mA input terminal Neutrik USB B type connector output terminal high quality USB cable approx. 10 cm+B type plug W97 x H31 x D39 mm
Maintained in September 2020! The highest-grade cassette deck equipped with dbx. The power supply unit and amplifier section have been thoroughly strengthened, and the sound quality as a cassette deck has been further enhanced. The impression is that the sound is clean without exaggerating too much. The exterior is dull and has a feeling of use. Serial 20415-07903 (Tomonori Asaine)
Maintenance information: 2020.9.28 maintenance implementation (capstan belt replacement and tape speed check, head base drive belt replacement, pinch roller detachment inspection cleaning and tape running check, operation key tact switch replacement x11, tape selector switch contact cleaning procedure, pattern correction and replacement due to C48/47 electrolytic capacitor installation problems, power cord replacement, and playback level adjustments are high (Since it is folded, it is readjusted to a normal value and the recording level is adjusted, the recording test using the music source is good, Dolby recording, and the DBX recording and playback operation is good)
*Reference value: W&F (WTD) for self-recording and playback: 0.05% is good, but depends on the tape used.
*You may hear a slight squeaking sound from near the panel of this unit. Please note that this is a driving sound caused by pulses for lighting generated from the display tube (FL tube), but it cannot be removed.
Accessories: none
Main specifications: 3 head frequency characteristics 20Hz to 21kHz W475 x H112 x D353 mm 7.3 kg
It is a model that has completely renewed all units in the JBL 4312 series control monitor, which has continued for over 30 years. In addition to the vibrant sound with a high sense of freshness, which is characteristic of the series, the expansion of the high frequency range is remarkable. The exterior has a feeling of use such as dullness. Serial 0261 0440 (Tomonori Asae)
Maintenance information: 2024.5.16 sound output confirmed (good sweep test)
Accessories: saran net
Main specifications: 3-way bookshelf type frequency characteristics 40 Hz to 40 kHz crossover 2 kHz 5 kHz 6 Ω output sound pressure level 93 dB W362 x H597 x D301 mm 18.1 kg
Maintained! JBL's 2-way network. An essential item when adding a tweeter driver to a full range unit such as the D130. The exterior has paint peeling and dullness. Serial 39585 38470 (Tomonori Asaine)
Maintenance Information: 2024.5.16 Maintained (12 Terminal Mounting Screws, 24 Insulating Bushings, Terminal Cleaning, Attenuator, VR Replacement, Crossover Check)
Accessories: none
Main specifications: 2-way network 8 ohm crossover 2,500 Hz W121 × H153 × D93 mm 0.7 kg
Maintained! A network using excellent parts such as high-voltage nonpolar capacitors and coils using low-loss Orient Cores. The cross is easy to use at 500 Hz, and it is a very easy to use network for those who are assembled with drivers such as 375 (Asaine Tomoho)
Maintenance information: 2024.5.16 maintained (12 terminal terminal mounting screws, 24 insulation bushings, terminal part cleaning, main unit internal check, attenuator VR replacement, crossover check)
Accessories: none
Main specifications: 2 way network, 500 Hz, 8 ohms
A low-cost clock generator that emits a high-performance master clock. It is recommended for those looking for expressive power with a precise amount of spatial information. By inputting a high-accuracy 10 MHz reference output obtained from a high-precision transmitter for measurement or military transmitters (using rubidium, cesium, GPS) not manufactured as an audio device to the external clock input terminal, it is possible to transmit an even more accurate master clock. The exterior is dull. (YONEJIMA Satoshi)
Maintenance information: 2024.5.15 Operation confirmed
Accessories: power cord
Main specifications: 2 clock outputs (BNC) 44.1 kHz/48 kHz magnification x 1/2/4 (maximum 44.1 to 192 kHz), 1 10MHz clock input system (BNC), size W190 x H56 x D220 mm 810 g
The disposal price has been reduced. Member prices are not applicable. 2024/4/11 sales price 118,000 yen ※It's cheap because it doesn't have a hood. Maintained! Vacuum tube stereo power amplifier. The bright and fresh sound typical of DYNACO is attractive. This is an amplifier I want to play in combination with JBL, Altec, etc. The grill is missing, and there is a feeling of use due to aging (Daiki Goto)
Maintenance Information: 2024.4.11 Maintained (· Block Capacitor 30/20/20 μF Defect Replacement · Stereo/Mono Switch Defect Replacement · Shock Noise Improvement Measures → Spark Killer Addition · Vacuum Tube 7199 Noise Exchange · Mylar Capacitor 390pF Deterioration Replacement 2 · Resistors 1/2 W Deterioration Replacement · BIAS Readjustment · Vacuum Tube Socket and RCA Jack Caulking Repair. *Other operation checks have been performed (measured at 32 to 41 W SP: 8 Ω at rated output AC 100 to 117 V)
Accessories: instruction manual
Main specifications: rated output 35W+35W vacuum tube EL34 x 4 7199 x 2 GZ-34 x 1 W330 x H165 x D240 mm 12.5 kg
The disposal price has been reduced. Member prices are not applicable. 2024/5/9 sales price 128,000 yen One side tweeter has been replaced! The successor model to the super popular “IKON Series.” It is equipped with a unit that uses wood fiber cone paper. The mid and low frequencies are rich, and the high frequencies sound smooth. You can feel the depth of the sound clearly (Daiki Goto)
Maintenance information: 2024.5.9 operation confirmed
Accessories: original box, jumper plate
Main specifications: 3 way 4 speakers, frequency characteristics, 39 Hz to 30 kHz, crossover 700 Hz, 2.6 kHz, 14 kHz, efficiency 89 dB impedance 6 ohms size W188 x D352 x H1028 mm weight 17.8 kg
The price has been drastically reduced. 2024/3/11 sales price 80,000 yen The MEDIUM/LONG knob doesn't work, so it rotates idle, but it's a specification. QUAD tubular AM tuner. It is designed to take power from QUAD 2. Also, although the meter is an overseas specification, it is a domestic band specification. ※This is a mono specification. In order to play on 2 channels, it is necessary to connect the pin jack to the RADIO 2 terminal of QUAD2 and press the MONO and STEREO switches simultaneously (Daiki Goto)
Maintenance information: 2024.3.11 Maintained (・AM antenna ASSY added/IF/RF readjusted*Other operation checked. *When tuning with TUNE, the LCD on the right edge will open. After tuning in, it is common to listen on WIDE RANGE. Also, since the LONG WAVE circuit in this model has been removed, the LONG/MEDIUM selector is invalid and the knobs are dummy.)
Accessories: antenna cable
Main specifications: W270 x H95 x D15 mm 2.6 kg (actual measurement)
The price has been reduced. 2024/5/3 sales price 27,800 yen This is a high-resolution D/A converter. Dual monaural configuration, compatible with DSD 5.6 MHz and PCM192 kHz/32 bit USB inputs. You can easily enjoy the world of high-resolution audio from high-resolution sound source playback software installed on your computer. The output is equipped with an XLR balanced output in addition to the RCA output. Furthermore, these audio output levels can be selected from fixed, variable, and output off (Oikawa Tetsuji)
Maintenance information: 2024.5.3 operation confirmed (playback confirmed up to PCM192 kHz/DSD 5.6 MHz, COAX/OPT playback OK, each output playback confirmed)
Accessories: power cable
Main specifications: PCM data sampling frequency 32K, 44.1K, 48K, 88.2K, 96K, 176.4K, 192 kHz W215 × H61 × D238 mm 2.0 kg