Stereo Power Amplifier for Blumester A large output of 170W/ch is realized by the power supply unit with a 400VA toroidal power transformer and a capacitor with a total capacity of 88,000μF. You can enjoy the sound full of singing heart like the company at high speed with the phenomenal driving force of the damping factor 1800/8 Ω. Serial 1272021 (KONDO Hirotsugu)
Maintenance Information: 2021.4.2 Operation Check
Accessories: Instruction manual, XLR/RCA conversion plug (3HOT), power cable, original box
Main Specifications: 170W+170W (4Ω) Damping Factor More than 1800 Frequency Characteristics 0-200kHz (-3dB) Input Sensitivity 730mV (Maximum Output), 320 mV (100W/4Ω) Dimensions W482 × H95 × D482mm 25kg
The disposal price was reduced. Member discounts are not applicable. 2021/10/15 Selling price 138,000 yen A power amplifier that boasts a stable grip like a commercial amplifier with a powerful power supply supported by a large toroidal transformer. It is a warm color sound that feels somewhat humid, and the depth of carving that makes you feel the finish is excellent. Serial A228 (Atsushi Takasaki)
Maintenance information: 2021.10.13 operation confirmed
Accessories: Power cord
Main specifications: 170W+170W (4Ω), 100W+100W (8Ω) Frequency characteristics 20Hz to 20kHz W440 × H95 × D380mm 14kg
We have drastically reduced the price! 2021/10/7 selling price 148,000 yen Boulder power amplifier! Adopts a large toroidal power transformer, has a rounded and glossy tone, and is an authentic school that also has a good sense of delicacy. It plays music with plenty of room. The appearance has dullness and hit scratches. (Satoshi Yonejima)
Maintenance information: 2021.10.7 operation confirmed
Accessories: power cable
Main specifications: 100W+100W (8Ω) input impedance 12Ω W450 × H103 × D400mm 15kg
The price was significantly reduced. 2021/10/19 selling price 1,780,000 yen. Genuine Abthertron It is a super-grade mono power amplifier with a maximum output of 8Ω and a tremendous instantaneous power of 500W. It has a pleasant, moist and warm tone, and a rich dark middle range and a gentle low range. You can enjoy the finest sound with a clear air (Yoichi Murakoshi)
Maintenance information: 2021.10.17 Sound out confirmed
Accessories: instruction manual, power cord
Main specifications: Mono power amplifier maximum output 500W (8Ω) frequency characteristic 20 to 20 kHz input XLR size W457 × H241 × D565mm Weight 61 kg
The price was significantly reduced. 2021/10/18 selling price 1,200,000 yen. Abthertron genuine import Boulder's super-grade stereo power amplifier The powerful sound with transparency and crisp is attractive. I feel the energy to drive easily even with large speakers with outstanding driving power (Yoichi Murakoshi)
Maintenance information: 2021.10.18 sound confirmed
Accessories: instruction manual, power cord
Main specifications: 300W+300W (8Ω) 20-20kHz W457 × D565 × H241mm 63kg
The price has been reduced. The 2023/8/30 sales price of 19,800 yen has already been confirmed, but since it is cheap, it will be handed over as it is. Bose 4-channel power amplifier. 2-channel driving is also possible with a BTL connection. Each channel comes with volume, making it easy to use. There are scuffs on the exterior, top plate, and overall feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.8.29 Operation confirmed
Accessories: none
Main specifications: 4 ch drive 30W x 4, 2 ch drive 70W x 2 W482 x H51 x D330 mm 6.05 kg (actual measurement)