Maintained! This is a regular imported model from Yamagiwa. A control amplifier representing the golden age of McKinn. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is alive and well, and it plays vintage speakers particularly well (Murakoshi Yoichi)
Maintenance information: 2024.5.28 maintenance (each SW/VOL cleaning, pin jack cleaning, lamp replacement, operation check)
Accessories: instruction manual (copy)
Main specifications: frequency characteristics 20 Hz to 20 kHz input terminals PHONO 1 · 2, AUX, TUNER, TAPE 1 · 2 W406 × H138 × D330 mm 8.6 kg
Maintained! A preamp with plenty of phono that analog users are happy with. There are 3 PHONO inputs, 5 MM cartridge loads, and a dedicated transistor is used for the MC head amplifier, so you can enjoy clear, sharp sound with a clear outline (Yoichi Murakoshi)
Maintenance information: 2024.5.29 maintenance (switch disassembly, contact polishing, contact cleaner application. Volume contact correction. Replace deteriorated parts in each circuit. PHONO circuit IC replacement display lamp replacement. (I/O pin jack polish)
Accessories: none
Main specifications: input terminal/3 phono systems (MM/MM/MC), TAPE2 system, AUX, TUNER power consumption 40W external dimensions W435 x H116 x D376 mm weight 8.5 kg
A dust cover of the same size as the C-91 compatible with MICRO's BL-91, BL-99V, and SX-111FV. It is a sturdy construction with a thickness of 4 mm. There is an abrasion on the front (Murakoshi Yoichi)
Accessories: none
Main specifications: W523 x H100 x D410 mm
Frequency board for Accuphase channel dividers F-5, F-15, and F-15L. It is for crossovers 1200 Hz. The exterior is good with a dullness (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: original box (for CB350)
Key Specifications: Crossover 1200Hz Chandeber Board
Crossover 180 Hz board Compatible with the company's channel divider F-5/F-15/F-15L. The attenuation slope can be changed to -12 dB/oct and -18 dB/oct with an internal switch. The exterior is good, with a slight dullness (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: original box
Main specifications: attenuation characteristics -12 dB/oct, -18 dB/oct switching compatible models F-5/F-15/F-15L
Disposal prices have been reduced. The 2020/2/10 sales price is 3,000 yen. ※It is inexpensive because it is in poor condition. Ceiling hanging bracket for the company's speaker 301 MM/2. It can be adjusted up and down by ± 90 degrees, and can be rotated 360 degrees horizontally. The feeling of use, rust, dullness over time, and stains are severe, and there are places with rust. (WATANABE Tadashi)
Accessories: none
Main specifications: W248 x D150 x H195 mm 1.4 kg/piece
Disposal prices have been reduced. Member discounts are not applicable. 2022/7/10 sales price 4,000 yen. BOSE 301MM Ceiling Mount Bracket I checked the installation, but the specifications seem to be slightly different from the original (Murakoshi Yoichi)
Accessories: mounting screws
Main specifications: Mounting bracket, inner size, 234 x 150 mm, mounting screw position (diagonal), 80 x 80 mm, external dimensions 243 x 350 x 150 mm, 1.35 mm
The price has been reduced. 2024/5/20 sales price 15,000 yen. Crossover 5000 Hz board Compatible with the company's channel divider F-5/F-15/F-15L. The attenuation slope can be changed to -12 dB/oct and -18 dB/oct with an internal switch. The exterior is good, with a slight dullness (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: original box
Main specifications: Attenuation characteristics: -12, -18 dB/OCT switching 5000 Hz
The disposal price has been reduced. Member discounts are not applicable. 2023/8/26 sales price 5,000 yen. Mini jack to mini jack cable 2.0m This is a power control connection cable that can simultaneously control the power on and off of Macintosh components and the on/off of meter lights. The exterior is dull and has a feeling of use (Hiura Katsuji)
Maintenance information: 2023.8.25 continuity confirmed
Accessories: none
Maintained! A model based on the CDP-502ES with digital outputs and insulators added. It plays a delicate and detailed sound while maintaining the firm low frequencies and good vocal localization typical of Sony. You can see a feeling of use on the exterior, air cap marks, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.3.12 maintenance completed (grease re-coating of each part of the CD mechanism, mechanical drive belt replacement, tact switch replacement, optical system cleaning)
Accessories: none
Main specifications: Unilinear multi-bit D/A converter linear pick mechanism coaxial digital out copper-plated chassis multi-bit machine W430 × H80 × D365 mm 9.0 kg