Designed to work with high quality MC transformers and 3 types of MC cartridges. The sound quality is crystal clear, but the reproduction of the mid and low frequencies is also rich, and it is very pleasant to listen to. The appearance has a feeling of use such as dullness. (Morning Tomoho)
Maintenance information: 2021.12.16 operation confirmed
Accessories: none
Main specifications: winding ratio LOW 30 times MID 15 times HIGH 10 times Compatible impedance LOW 1 to 10 Ω MID 10 to 30 Ω HIGH 30 to 50 Ω load impedance 47 kΩ or more (amplifier side load resistance) Frequency characteristics 20 to 30 kHz (±0.5 dB) External dimensions W130 × H92 × D177 mm Weight 850 g
Designed to work with high quality MC transformers and 3 types of MC cartridges. The sound quality is crystal clear, but the reproduction of the mid and low frequencies is also rich, and it is very pleasant to listen to. The appearance is somewhat dull (Oikawa Tetsuji)
Maintenance info: 2022.2.12 operation confirmed
Accessories: none
Main specifications: winding ratio LOW 30 times MID 15 times HIGH 10 times Compatible impedance LOW 1 to 10 Ω MID 10 to 30 Ω HIGH 30 to 50 Ω load impedance 47 kΩ or more (amplifier side load resistance) Frequency characteristics 20 to 30 kHz (±0.5 dB) External dimensions W130 × H92 × D177 mm Weight 850 g
A boost transformer casing Western Electric's KS16608-L1 power amplifier input transformer KS-16611-L1. The balance between depth and sound is perfect. The hum comes out easily, so please firmly attach the ground in line with the phono cable and amplifier. The brass part where the transformer is attached is dull.
Maintenance information: 2022.12.14 sound output confirmed
Accessories: none
Main specifications: 1st order 37.5 ohms, 2nd order 100 kΩ W120 x H188 x D92 mm 0.6 kg
An airtight booster transformer that dramatically evolved the ATH-2A. Dramatic improvements in strength and texture have been achieved by reviewing the wire material and winding method of the transformer while maintaining the excellent operability of the three input systems and impedance switching. There are some abrasions on the top surface (Murakoshi Yoichi)
Maintenance information: 2023.6.11 sound output confirmed
Accessories: original box
Main specifications: 3 input systems 2 ohms, 40 ohms, bypass switching W240 x H70 x D180 mm 2.8 kg
First arrival! It is a beautiful item with the original box. MC transformers designed to minimize the generation of induced noise, etc. The fresh tone is attractive. It is in good condition with no noticeable scratches (Oikawa Tetsuji)
Maintenance information: 2024.2.24 Operation confirmed
Accessories: original box, instruction manual
Main specifications: gain 32 dB for low impedance 1 to 7 ohms W144 x H80 x D207 mm 1.5 kg
This is the first air tight booster transformer to be introduced at Hi-Fido. The switch on the front panel makes it possible to replace the input impedance with the 3 input systems without replacement. There are some abrasions on the top surface (Murakoshi Yoichi)
Maintenance information: 2023.6.11 sound output confirmed
Accessories: original box
Main specifications: 3 input systems 2 ohms, 40 ohms, bypass switching W240 x H70 x D180 mm 2.8 kg
Altec MC boost transformer. It is equipped with a rare Altec 16187-Q transformer and is compatible with most MC cartridges. You can enjoy the afterglow of the music with a thick, thick sound. The exterior has rust spots and stains (Tamura Eiji)
Maintenance information: 2023.11.2 operation confirmed
Accessories: none
Main specifications: LOW: LOW to 30Ω HIGH: 30 to 250Ω W185 ✕ H125 ✕ D130mm Weight 2.2 kg
MC step-up transformer diverted from a transformer equipped with an ALTEC 1567A mixing amplifier. Commonly known as mint candy. The thickness and power of the sound, and the exquisite sense of tone are also popular gems. On the appearance, there are some small scratches and oxidation on the transformer. (Kimiya Miura)
Maintenance information: 2022.6.8 operation confirmed
Accessories: No accessories
Main specifications: W140 ✕ H93d100mm Weight 523g
MC step-up transformer diverted from a transformer equipped with an ALTEC 1567A mixing amplifier. Commonly known as mint candy. The thickness and power of the sound, and the exquisite sense of tone are also popular gems. There is some color peeling and rubbing on the label, and one screw on the side is missing. It will be handed over as it is (Oikawa Tetsuji)
Maintenance Information: 2022.5.29 Operation confirmed
Accessories: None
Main specifications: W132 × H86 × D92 mm 380g (actual measurement)
The price has been reduced. 2022 9/17 Sales price 128,000 yen This transformer has been improved to the HI-PC core material with excellent initial magnetization characteristics, drastic improvements in internal loss, and special impregnation treatment to improve the instantaneous power and power of the reproduced sound. The exterior is dull and has a feeling of use (Kobayashi Hitoshi)
Maintenance Information: 2022.9.17 Operation confirmed
Accessories: instruction manual, original box
Main specifications: impedance 1 to 10 ohms load impedance 47 kΩ boost ratio 20 dB (3 ω/47 kω/1 kHz) W160 × H73 × D128 mm
The price has been reduced. The 2022 3/14 selling price is 25,000 yen. *Currently sold. Audio Development Company Details Unknown A booster transformer for mono cartridges made by casing a transformer. With 250-ohm and 600-ohm switching, the rear input terminal is independent. It's an energetic and glossy sound with a good overhang (Murakoshi Yoichi)
Maintenance information: 2022.3.12 sound output confirmed
Accessories: none
Main specifications: W100 × H90 × D185 mm 1.6 kg