Disposal prices have been reduced. Member discounts do not apply. 2022/12/31 sales price 25,000 yen. Ortofon's battery-powered MC cartridge head amplifier. You can enjoy a thick, crisp sound in the mid range. The OUTPUT terminal wobbles slightly. On the exterior, paint peels off on the top plate, and stains can be seen all over (Kanai Hidetsugu)
Maintenance information: 2022.12.31 sound output confirmed
Accessories: 2 x AA batteries
Main specifications: input impedance 11 ohms output impedance 675 ohms gain 50 dB frequency band 7 to 200,000 Hz signal-to-noise ratio 65 dB using 2 AA batteries W80 x H40 x D140 mm 205 mm
The price has been reduced. 2022/5/5 selling price 29,800 yen An MC head amplifier that strongly boosts orthophone cartridges with low output in the old days. The gain is as high as 34 dB, and the sound protrudes forward (normal MC boost is about 26 dB). It is not affected by impedance, and can be used with any MC cartridge. An easy-to-use model that also has a PASS function and a subsonic filter function. The exterior has small scratches and dullness (Kanai Hidetsugu)
Maintenance information: 2022.5.3 sound output check OK
Accessories: none
Main specifications: Boost ratio 34dB bypass circuit mounted input impedance 75Ω output impedance 140Ω W80 × H39 × D225mm 1.3 kg
※6 month warranty. An MC head amplifier that strongly boosts old orthophone cartridges with low output. The gain is as high as 34 dB, and the sound protrudes forward (a normal MC boost is roughly around 26 dB). It can be used with any MC cartridge regardless of impedance. Easy to use model with PASS function and subsonic filter function. The exterior is corrosive and dull (Murakoshi Yoichi)
Maintenance information: 2022.3.16 sound output confirmed
Accessories: none
Main specifications: Boost ratio 34dB Bypass circuit built-in input impedance 75Ω output impedance 140Ω W80 × H39 × D225 mm 1.3 kg
An MC head amplifier that strongly boosts orthophone cartridges with low output in the olden days. The gain is as high as 34 dB, and the sound protrudes forward (normal MC boost is generally around 26 dB). It is not affected by impedance and can be used with any MC cartridge. Easy-to-use model with PASS function and subsonic filter function (Fujisawa Yukishi)
Maintenance information: 2023.12.7 operation confirmed
Accessories: none
Main specifications: boost ratio 34 dB with bypass circuit, input impedance 75 ohms, output impedance 140 ohms, W80 x H39 x D225 mm, 1.3 kg
※6 month warranty. An MC head amplifier that strongly boosts old orthophone cartridges with low output. The gain is as high as 34 dB, and the sound protrudes forward (a normal MC boost is roughly around 26 dB). It can be used with any MC cartridge regardless of impedance. Easy to use model with PASS function and subsonic filter function. The exterior is corrosive and dull (Sasaki Shota)
Maintenance Information: 2022.3.1 Maintained (Installation with pin jack processing. Power cord replacement. Switch contact correction.)
Accessories: none
Main specifications: Boost ratio 34dB Bypass circuit built-in input impedance 75Ω output impedance 140Ω W80 × H39 × D225 mm 1.3 kg
※6 months warranty. MC head amplifier that strongly boosts the old Altphone MC cartridges with low output. Can be used with any MC cartridge, independent of impedance. It is a user-friendly model with PASS function and subsonic filter function (Oikawa Tetsuji)
Maintenance Information: 2021.6.9 Operation confirmed
Accessories: None
Main Specifications: Boost Ratio 34dB Bypass Circuit Input Impedance 75Ω Output Impedance 140Ω W80 × H39 × D225mm 1.3 kg
*6 months warranty. MC head amplifier that strongly boosts old low-power orthophone cartridges. The gain is 34 dB, and the sound goes forward (normal MC boost is approximately around 26 dB). It is not affected by impedance and can be used with any MC cartridge. Easy to use model with PASS function and subsonic filter function. In appearance there is corrosion, dullness. Serial 77037 (Miura Kimiya)
Maintenance information: 2021.7.6 working confirmed
Accessories: no accessories
Main specifications: Boost Ratio 34dB Input Impedance 75Ω Output Impedance 140Ω W80 × H39 × D225mm 1.3 kg
MC head amplifier that strongly boosts old-time orthophone cartridges with low output. There is also a gain of 34 dB, and the sound comes forward (normal MC boost is roughly around 26dB). Can be used with any MC cartridge, independent of impedance. It is a user-friendly model with PASS function and subsonic filter function. Appearance has small scratches, dullness etc. (Sasaki Shota)
Maintenance Information: 2021.2.21 Operation confirmed
Accessories: None
Main Specifications: Boost Ratio 34dB Bypass Circuit Input Impedance 75Ω Output Impedance 140Ω W80 × H39 × D225mm 1.3 kg
※6 months warranty. MC head amplifier that strongly boosts old-time orthophone cartridges with low output. Can be used with any MC cartridge, independent of impedance. It is a user-friendly model with PASS function and subsonic filter function. (KONDO Hirotsugu)
Maintenance Information: 2021.4.3 Maintenance (Lch signal line solder fix. (Power supply SW/BY-PASS switch lock mechanism modified)
Accessories: None
Main Specifications: Boost Ratio 34dB Bypass Circuit Input Impedance 75Ω Output Impedance 140Ω W80 × H39 × D225mm 1.3 kg
An MC head amplifier that strongly boosts orthophone cartridges that used to have low output. The gain is also 34 dB, and the sound comes out forward (a normal MC boost is generally around 26 dB). It is not affected by impedance and can be used with any MC cartridge. An easy-to-use model with a PASS function and subsonic filter function. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.11.15 Operation confirmed
Accessories: none
Main specifications: boost ratio 34 dB, input impedance 75 ohms, output impedance 140 ohms, W80 x H39 x D 225 mm, 1.3 kg