The Macintosh commercial model has arrived! A model that was released during the transition period from business machines to consumer machines. The thick and rich sound quality is the origin of the tubular McKinn sound. With a lively and dynamic sound quality with an analog-like feel, it continues to fascinate enthusiasts even now. The exterior has rust float and paint peeling off. Serial 591/unknown (Kimiya Miura)
Maintenance Information: 2021.2.12 Maintained (common · block capacitor 80/40/30/20μF replacement 1 × 2. Oil capacitor 0.022μF VITAMINQ → 2 x 2 replaced with TRW 2W 1W 1/2W REPLACEMENT FOR USA-MADE REPLACEMENT 7 x 2 Vacuum tube socket and RCA jack caulking repair No.591 side vacuum tube 6BG6 replacement 3 x 1/2W resistance replacement Rubber bush replacement* Other operation checked (measured at 23 to 38 W SP: 8 Ω at rated output AC100 to 117 V) * HUM ADJ and AC cord replaced by other companies)
Accessories: No accessories
Main specifications: 6BG6GPP rated output 30W W203 × H210 × D305mm 15kg
It is a vacuum tube amplifier created by making full use of thoroughly examined parts and circuits in order to bring out the performance and tone of the latest direct heating triode TA-300B to the full extent. By expressing music as it is, it evokes the original vivid breath of music from the listening board, and it is a special unit that allows you to enjoy the real thrill of audio to your heart's content. The exterior is generally beautiful without noticeable scratches (Yoichi Murakoshi)
Maintenance information: 2022.5.21 Manufacturer inspected (inspection OK for each part, operation characteristic test OK)
Accessories: Instruction manual, power cord, hex wrench, original box (partially missing cushioning material)
Main specifications: Rated output 8W+8W Frequency characteristics 20Hz to 20kHz (+0.3, -1.5dB) 10Hz to 30kHz (+0.3, -3.0dB) Vacuum tube used 5AR4 (SOVTEK) × 2 pieces 6SN7GTB (TUNG-SOL) x 4 pieces TA-300B (Takatsuki Electric Industry) x 2 Pieces Dimensions W460 x H237 x D340 Weight 29.0 kg
It is a vacuum tube power amplifier whose design is reminiscent of the MQ60 of yesteryear. The triode connection of the output tube KT88 produces a large output of 25W (6Ω). The powerful and transparent tone shows off the high power of modern tube amplifiers. There are no noticeable scratches on the exterior. Serial G610R0068 (Asaine Tomoho)
Maintenance Information: 2022.5.21 Operation confirmed
Accessories: Instruction manual power cable (general-purpose) original box
Main specifications: 25W+25W (6Ω) 20W+20W (8Ω, 4Ω) used vacuum tube ECC83 × 2, ECC82 × 2, KT88 × 4 W440 × H184 × D230mm 15.8kg
The disposal price has been reduced! (Member discounts are not applicable) 2022/4/30 Sales price 298,000 yen Specifications have been changed so that they are easy to use as a single unit (see below) 100V specification. You can enjoy a thick and excellent vintage sound with a good tone and a chewy sound typical of QUAD. The relaxed expression unique to mono is also attractive, and you can enjoy the deep tone unique to vacuum tubes. * The input has been changed to the RCA jack, the SP terminal to the normal terminal, and the AC cord direct output. You can switch between 100 (104) V/114V/125V. The appearance is dull and has small scratches. Serial 50902/50776 (Satoshi Yonejima)
Maintenance information: 2018.12.8 Maintained ([common to each individual] block capacitor 16 μF × 2 replacement+mounting bracket fabrication × 2, electrolytic capacitor 50 μF replacement × 2, film capacitor (0.1 μF exchange 3 pieces × 2, resistor 3W exchange 1 × 2, AC cord ASSY production 1 × 2, other operation checked)
Accessories: No accessories
Main specifications: Vacuum tube/KT66 × 2, EF86 × 2, GZ32 15W+15W W313 × H165 × D106 mm approx. 9 kg/unit
The disposal price has been reduced. Member discounts are not applicable. 2022/4/6 sales price 168,000 yen maintained. A stereo power amplifier that is said to have incorporated the basic design of the famous mono power amplifier “Mark-III” for stereo as it is. The plump and rich sound in the mid-low range is exactly the American vacuum tube sound! The appearance has dullness due to aging, rust floating, etc. (Oikawa Tetsuji)
Maintenance Information: 2022.4.6 Maintained (Change wiring for AC220V → 117V and replace with fuse 3A SlowBlow · Fuse holder breakage replacement · Board re-soldering · BIAS Re-adjustment/vacuum tube socket and RCA jack caulking repair*Other operation checked (rated output measured at 26-41W SP: 8Ω at AC 100-117V)
* Since the BIAS of this model is adjusted with AC 117V, the BIAS lamp lights only on the LOW side when AC100V is used. (Both LOW/HIGH lights up when using AC117V.)
Accessories: None
Main specifications: EL34 push pull 35W+35W W335 × H175 × D240 mm 16kg
UESUGI's rare mono amplifier TAP-30 is the first appearance at Hifi Hall. A mono power amplifier designed and developed by Mr. Uesugi as the pinnacle of an ideal single power amplifier. The non-NFB design is a parallel single system, and the transformer is a luxurious design that employs Tamura custom-made products. The delicate and detailed mid-high range is a charm unique to a single. The appearance is scratched against the transformer cover, and there is overall dullness. * There is a slight tobacco odor (Satoshi Yonejima)
Maintenance Information: 2022.5.24 Operation confirmed
Accessories: No accessories
Main specifications: 9.9W+9.9W SIEMENS EL34 × 4 SIEMENS ECC82 × 4 W302 × H219 × D201mm
ELEKIT 300B Single Stereo Power Amplifier Kit It is a limited edition model upgraded based on the TU-873 and TU-8730. Orient material with excellent magnetic saturation characteristics is used for the output transformer. The AC cord is a very thick type, and it is also possible to replace it with an AC cord of your choice by adopting an AC inlet. Overall dullness. There is a feeling of use (Oikawa Tetsuji)
Maintenance information: 2022.5.8 operation confirmed
Accessories: power cable
Main specifications: W220 × H195 × D425mm 10.1kg