Maintained! A popular preamp sold during the heyday of analog. The mid-range is more glossy and has a sexier vibe than the one after C29. That rich sound can truly be said to be a preamp representing the golden age of Mackins'. Serial AK9084 (Murakoshi Yoichi)
Maintenance information: 2024.4.19 maintenance (each SW, VOL cleaning, pin jack cleaning, lamp deterioration replacement, panel peeling correction, pin jack caulking, additional block capacitor installation, shield cable earth solder treatment, operation check)
Accessories: instruction manual (copy)
Main specifications: 4 input terminals, 4 PHONO input systems, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 kg
*The headshell is an SPU-G (M) one, but the body is inexpensive because it is GE. Needle cover missing. G-shell oval needle model. The glossy, rich, and heavy sound is attractive without fading. It is an eternal staple cartridge that fully conveys the original appeal of analog. The exterior has rust on the metal parts, and dullness and dirt throughout the body. The needle tip is in good condition (Murakoshi Yoichi)
Maintenance information: 2024.4.17 sound output confirmed
Accessories: none
Main specifications: G shell oval needle MC type output 0.2 mV needle pressure 3 to 4.5 g internal impedance 2 ohms dead weight 31 g
The disposal price has been reduced. Member discounts are not applicable. 2024/3/1 sales price 138,000 yen A rare wooden sand-filled horn from Onken (Onken). The construction is very careful and the material is moderately soft, so it is very expressive. When combined with the OS-500MT, you can enjoy a warm sound. There is a feeling of use such as scratches and paint peeling (Takasaki Atsushi)
Accessories: none
Main Specifications: Wooden Sectoral Horn Metal Throat Recommended Usage Frequency Band 500 to 25,000 Hz Compatible Unit OS-500MT W560 x H250 x D420 mm 6.82 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/4/15 sales price 498,000 yen*It is cheap because there is overall turbidity. The sound image localization and response unique to vertical twins are good, and they play a sharp sound right from the start. It is a floor-type, easy to play, and is a high-end machine that combines a high level of texture compatible with jazz as well as genre-free music. In addition to the cloudy exterior, there are large repair marks on the lower front panel on one side. Serial J975-010117 · J975-010119 (Kanai Hidetsugu)
Maintenance Information: 2024.4.15 Maintained (Exterior (Overall Cleaning/Touch Repair, Single Side Front Lower Panel Float Repair, Saran Net Tear Repair) Woofer Maintenance (Single Side Lower Woofer Damper Adhesion, Center Adjustment, Unit Detachable, 9V Battery Replacement))
Accessories: saran net, spike, spike holder, jumper plate
Main specifications: 3 way, 4 speakers, floor type frequency characteristics, 50 Hz to 40 kHz, low frequency playback characteristics, 28 Hz, output sound pressure level, 96 dB, impedance, 8 ohms, crossover frequency, 800 Hz, 10 kHz, W432 x H1, 245 x D413 mm, weight 83.9 kg
The strobe light is missing. Clear audio stroboscope There is a groove, and rotation can be checked while the cartridge is placed on it. Rotations up to 78 rotations can be confirmed at both 50 Hz and 60 Hz (Murakoshi Yoichi)
Accessories: none
Stroboscope included with Oyaide's BR-12 turntable seat. Measurement of up to 78 revolutions is possible. It comes with an overhang gauge. The large size and ease of adjustment are attractive (Murakoshi Yoichi)
Accessories: none
The deteriorated vacuum tubes etc. were replaced in 2023 and full maintenance has been completed! The vintage MC30 is still loved today, half a century later. The sharp high range and thick low to mid range sound are nothing short of wonderful. Since the left and right sides come out clearly without interference, you can feel a better sense of localization than a stereo machine. The good separation unique to mono amplifiers stands out, and it can play everything from jazz to classical music well (Murakoshi Yoichi)
Maintenance information: 2023.6.10 maintained (vacuum tube socket re-caulking repair, vacuum tube 12AX7 replacement, selenium countermeasure diode addition, 2W and 1/2W resistor replacement, HUM ADJ. readjustment/RCA jack re-caulking repair, operation check (measured at 25-38W SP:8Ω with rated output AC100-117 V).)
2012.6.12 Maintained (Capacitor Exchange/Mallory x 2, Sprag x 2, Europe x 2, Black Beauty x 10, Cornell x 2, Vacuum Tube, Partially Replaced with Good, Used, Silicon Rectifier, Vacuum Tube Pin, Rust Polishing and Socket Electrode Sack, Bolum, Sliding Surface Cleaning, RCA Pin Jack Cleaning, Each Voltage, Operation Inspection)
Accessories: none
Main specifications: rated output 30W, input sensitivity 0.5V vacuum tubes 6L6GC x 2, 5U4 x 1, 12AX7 x 2, 12BH7 x 1, 12AU7 x 1, W356 x H203 x D203 mm, weight 15.8 kg
The optical digital cable uses a 0.7 m high-reliability metal ferrule plug and APF (all plastic fiber). How about an introduction to optical connections? The exterior is dull and has a feeling of use. (MURAKOSHI Yoichi)
Maintenance information: 2024.4.18 continuity confirmed
Accessories: none