Boost transformer for 1990's Orthophone SPU. The core was carefully selected from the specially ordered Hi-Mew Super Permalloy with high magnetic strength for the first time and used. If the impedance is low, it is compatible with various cartridges. Dullness and a feeling of use can be seen. (FUJISAWA KOSHI)
Maintenance information: 2025.12.21 operation confirmed
Accessories: No accessories
Main specifications: input impedance 1 ohm to 6 ohm boost ratio 26 dB frequency characteristics 10 Hz to 100 kHz load impedance 47 kΩ or more size W150 x H108 x D112 mm weight approx. 1.7 kg
MC step-up transformer. It features a body structure that thoroughly eliminates magnetic noise. The sound is fresh and smooth. The range is also wide and the sound quality is relaxed and elegant (Mizusaki Ryo)
Maintenance information: 2025.12.21 sound output confirmed
Accessories: none
Main specifications: Compatible cartridge impedance 1.5 to 40 ohms load impedance 47 kΩ boost ratio 26 dB W133 x H85 x 129 mm 1 kg
UESUGI MC boost transformer, low impedance model. We are loading transformers developed in collaboration with Tamura. Adopts a completely independent structure for the left and right, including the earth system. This model is ideal for orthophone MC cartridges. A sticker is attached to the back (Oikawa Tetsuji)
Maintenance information: 2025.12.16 Operation confirmed
Accessories: none
Main specifications: primary impedance 3 ohms secondary impedance 2 kΩ boost ratio 25.8 times W174 x H125 x D121 mm 2.5 kg
An easy-to-use Antray boost transformer with 3 inputs and 3 impedance types selectable in addition to PASS. It is simple and carefully made, and has good balance and precise sound quality, so it can be lifted honestly and firmly. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.12 Operation confirmed
Accessories: none
Main specifications: primary impedance 3/10/40 ohm switching, bypass, 3 input systems, W130 x H70 x D186 mm, 2 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/11/22 sales price 69,800 yen MC boost transformer using American UTC transformers. The cut is sharp and the sound is slightly tight, and it seems to be a good spice. Jazz is sharp, and classical music clearly expresses fine contours. On the exterior, there is a feeling of use over time such as small scratches and dullness, etc., and there is writing on the body (Asaine Tomoho)
Maintenance information: 2025.11.22 sound output confirmed
Accessories: none
Main specifications: MC transformer boost ratio 1:35 input 100Ω output 100kΩ size 150 x 120 x 120 mm weight 1,073 g (actual measurement)
A classic MC boost transformer. With 2 input systems, the impedance can be switched between 3-40 ohms, and a PASS line is included, so you can freely enjoy various cartridges and tone arms. There is a feeling of use such as scratches and dirt (Takasaki Atsushi)
Maintenance information: 2025.7.8 operation confirmed
Accessories: none
Main specifications: MC boost transformer input 2 systems switchable, primary impedance 40 ohm, 3 ohm switching, secondary impedance 4 kΩ boost ratio 1:10 frequency characteristics 10 Hz to 100 kHz, W97 x H65 x D155 mm 0.8 kg