The price has been drastically reduced. 2022/8/12 Selling price 128,000 yen* Something like a bond adheres to the area around the transformer, and lead is attached to the inside. A step-up transformer cased by Audionix using a transformer from Partridge, a prestigious transformer manufacturer in England. It has a natural band balance and a sense of intonation, and a pleasant to the touch tone is attractive. It is compatible with High40ω/Low3Ω by replacing the cable to avoid sound quality deterioration due to switches, etc. The exterior is painted off in the upper right corner of the back, and there is dullness throughout (Yoichi Murakoshi)
Maintenance information: 2022.8.12 Sound output confirmed
Accessories: none
Main specifications: Input impedance 3ω/40Ω switching boost ratio 35dB frequency band 20-50,000 Hz load resistance 47kΩ size W165 × H120 × D100mm weight 2.8 kg
It is the highest peak of step-up transformer along with cotter, TH-9708. The detailed, glossy, and deep sound is the true value of analog playback. There are scratches and paint peeling on the exterior. Serial 901027 (Satoshi Yonejima)
Maintenance information: 2022.2.20 operation confirmed
Accessories: original box
Main specifications: Primary impedance: LOW 3Ω Size W16.5×H12×D10cm Self-weight 2.75kg
A popular model! A masterpiece booster transformer made by Partridge in England with a beautiful hammertone finish. The sound with good sound loss and realism is attractive. In addition to switching impedance, it is a popular booster transformer that also shines with its ease of use, and has 2 input systems. There are line marks on the sides, but the others are pretty beautiful (Fujisawa Yukishi)
Maintenance information: 2023.9.13 Operation confirmed
Accessories: original box
Main specifications: 2 input systems LOW (7.5 Ω) /HIGH (30 Ω) /PASS switching W150 × H108 × D130 mm 1.7 kg (actual measurement, including protrusions)
Boost transformer for MC using TH-7559 made by Partridge, a prestigious British transformer manufacturer, low-high switchable. You can enjoy a crisp and hard sound. Perfect for Denon's DL103 series or Ortphone MC series Muting lever switch is attached (Sasaki Shota)
Maintenance Information: 2021.5.16 Sound out operation confirmed
Accessories: None
Main specifications: input 2 system input impedance pass/low · 3ω/high · 32Ω switching size actual measurement W150 × H99 × D113mm
A booster transformer for MC using TH-7559 made by the prestigious British transformer manufacturer Partridges can be switched to low high. You can enjoy a clear, solid sound. Perfect for Denon's DL103 series and Altophone MC series. The muting lever switch is attached (Murakoshi Yoichi)
Maintenance information:2023.2.9 sound output confirmed
Accessories: none
Main specifications: input 2 system input impedance pass/low/3ω/high/32ohm switching size measured W150 x H99 x D113 mm weight measurement 845 g
Maintenance has been completed! A step-up transformer for MC using TH-7559 made by Partridge, a prestigious British transformer manufacturer, can be switched between low and high. You can enjoy a crisp, hard sound. It is perfect for Denon's DL103 series and Orthophone's MC series. The appearance is rusty, there is a feeling of use due to aging such as scratches and dullness. * The bottom plate is attached to the one I made myself. (Asaine Tomoho)
Maintenance information: 2022.7.8 Maintained (contact correction oil spray coating marks inside the frame ground line transformer → oil decomposition cleaning by organic dissolution, on the disassembly of two rotary switches (Polishing of contact components, antioxidant treatment Transformer output physical characteristics confirmed at 47kΩ constant load, frequency characteristics confirmed)
Accessories: none
Main specifications: Input 2 systems Input impedance PASS/LOW/3ω/High/32Ω Switching size Actual measurement W150 × H99 × D113 mm Weight actual measurement 845 g
A self-made step-up transformer casing Stanley's input transformer, which is said to be equivalent to UTC's C-2080. The straight, well-balanced sound is attractive. There is paint loss on the transformer (Murakoshi Yoichi)
Maintenance information: 2021.12.24 sound output confirmed
Accessories: none
Main specifications: Boost ratio 100 Ω: 100 kΩ Frequency characteristics: 50 to 10 kHz (±1 dB) W118 × H103 × D105 mm 1 kg
It seems that it was sold exclusively for the CG25DI, which has a winding ratio of 1:2 and an output of 1.5 mV, but those who use other high output MC cartridges should take this opportunity. A boost transformer made assuming a connection between a high gain phono equalizer amplifier and MC cartridge. You can enjoy the thick and taut tone that sets it apart from when you were listening in the MM position (Fujisawa Koshi)
Maintenance information: 2023.3.16 operation confirmed
Accessories: none
Main specifications: input impedance 1 to 6 ohms load impedance 100 to 1 K ohm boost ratio 6 dB no bypass W160 x H108 x D112 mm 2.3 kg
First time in stock! Phasemation balanced input step-up transformer It has a very strong chassis and a structure in which the transformer itself floats inside, and does not contain noise, and the clear, high-resolution sound without fogging is attractive (Sasaki Shota)
Maintenance information: 2021.12.17 operation confirmed
Accessories: original box, manual
Main specifications: MC boost transformer compatible with phono balance transmission compatible cartridge output impedance 1.5 ~ 4.0 Ω load impedance 47 kΩ boost ratio 26 dB W174 × H90 × D173mm 2.1kg