The price has been reduced! 2022/5/6 Sales price 35,000 yen E80CC and E80F are used for vacuum tubes, and TANGO's N-10 and TYPE112 are used for transformers. The sound is relatively high resolution. There is a slight jerk in volume. Also, internal wiring is not connected to the AUX2 terminal. The appearance has a feeling of use such as dullness. (Nobuyuki Takahashi)
Maintenance information: 2022.5.6 operation confirmed
Accessories: None
Main specifications: TANGO N-10 112L10HI120MA used vacuum tube TUNGSRAM E80CC × 2 SIEMENS E80F × 2 W370 × D240 × H154mm 5.2kg
* It is currently sold without warranty for self-made amplifiers. It is a 2CH vacuum tube preamp using WE396A. It gives out the unique warmth and soft tone that vacuum tubes possess. The appearance has a feeling of use such as dullness. (Morning Tomoho)
Maintenance information: 2021.12.14 operation confirmed
Accessories: none
Main specifications: Vacuum tube used WE396A Size W300 × H100 × D232 mm Weight 2.3kg (actual measurement)
The price has been reduced! 2024/4/2 sales price 258,000 yen First arrival at Hi-Fi! A vacuum tube 2-stage amplification preamplifier equipped with a circuit with high characteristics and low distortion. The sound is strong and firm even though it is a vacuum tube. It is in good condition with no noticeable scratches. Serial 19101 (Fujisawa Yukishi)
Maintenance information: 2024.4.2 operation confirmed
Accessories: power cord
Main specifications: 12 AU7A vacuum tube using 8 line inputs, frequency characteristics 10 Hz to 120 kHz, W470 x H150 x D370 mm, weight 15 kg
The disposal price has been reduced! (Member prices are not applicable) 2023/12/29 sales price 228,000 yen Maintained! This model uses the SEPP circuit, which is famous for its tube OTL system, which is a unique circuit. It is one with little distortion and high sound freshness. Utilizing the low impedance of the output circuit, it is also equipped with a headphone terminal. There are small scratches on the exterior. Serial 16A02 (Tamura Eiji)
Maintenance information: 2023.12.29 Maintained (TAPE1 wiring fix. Solder correction around the left ch socket. Vacuum tube pin cleaning. DC voltage check. Voice check for each input and output. 12AU7 → 12BH7 (PP) configuration*It seems that it takes about 2 minutes for the DC output to stabilize after the power is turned on. Care must be taken when combining it with a semiconductor power amplifier. (Please turn on the power amplifier after at least 2 minutes have passed since turning on the preamplifier)
Accessories: power cable
Main specifications: 8 line input system specification vacuum tube 12BH7A (PP configuration) frequency characteristics 10 Hz to 120 kHz W465 x H155 x D370 mm weight 15 kg
A vacuum tube control amplifier designed so that the potential of the entire audio device can be demonstrated. The most standard basic amplifier circuit for vacuum tubes was improved using Mcton's unique method, and it was the top model of Macton's preamp at the time. The exterior has fine threads. Serial 03A06 (Wataru Sato)
Maintenance Information: 2022.10.7 Operation confirmed
Accessories: power cord
Main specifications: Vacuum tube Philips ECG/5814A × 8 W470 × H150 × D370 mm 15 kg for use only in tubular control amplifier lines
A vacuum tube type control amplifier designed so that the potential of the entire audio device can be demonstrated. The most standard basic amplifier circuit for vacuum tubes was improved using a method unique to McCton, and it is the top model of McCton's preamp at the time. The exterior has front scratches and dents. Serial 9H05 (Miura Kimiya)
Maintenance information: 2022.12.3 operation confirmed
Accessories: power cable
Main specifications: Vacuum tube used exclusively for spherical control amplifiers Philips ECG/5814A × 8 W470 × H150 × D370 mm 15 kg
The price has been drastically reduced! 2023/9/28 sales price 128,000 yen Vacuum tube type preamp for line input only. The simple circuit is designed to bring out only the taste of the vacuum tube, improving the lack of three-dimensional effect. The sound is solid and thick in the middle and bass. The exterior is dull, etc., and there is a feeling of use. Serial 12J02 (Asahina Satoshi method)
Maintenance information: 2023.9.28 Operation confirmed
Accessories: none
Main specifications: Vacuum tube used 12BH7A frequency characteristics 10-100 kHz (-1 dB) power consumption 25 W size W400 x H100 x D310 mm weight 6.5 kg
A vacuum tube control amplifier developed with the aim of having a sound close to nature. A simple direct amplification circuit is used. High durability has been obtained by adopting a simple circuit and stable parts. The exterior has line scratches on the top plate (Satoshi Yoneshima)
Maintenance Information: 2022.10.8 Operation confirmed
Accessories: power cord
Main specifications: Tubular control amplifier frequency characteristics 10Hz to 80kHz use vacuum tube 12AU7 · ECC82 × 4 W400 × H95 × D310 mm weight 7 kg
Maintained in 2022. This control amplifier was sold as a model commemorating the 10th anniversary of C.R. Development, and was limited to 250 units worldwide and 80 units domestically. The design is also excellent, and the sound quality is smooth and moderately glossy. If you use their 300B Classic power amplifier, please give it a try. You can see a feeling of use, such as appearance, dullness, abrasions, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.2.6 Operation confirmed 2022.11.21 Maintained (replaced due to diode burnout, EQ circuit vacuum tube MT vacuum tube socket electrolytic capacitor
Due to differences in the capacity of each meter lamp replacement main power supply SW replacement fuse, replacement missing, additional screw, correction, board cleaning, volume type cleaning, input/output check, and interior and exterior cleaning. (*The balance volume cannot be narrowed down, but it is a specification.)
Accessories: copy of instruction manual, power cord, power supply unit
Main specifications: input/PHONO1 system, RCA4 system, XLR1 system output/RCA2 system, XLR1 system main unit W480 ✕ H140 ✕ D360mm 9.0 kg power supply unit W127 ✕ H75 ✕ D280 mm 2.2 kg
This control amplifier was sold as a model commemorating the 10th anniversary of C.R. Development, and was sold in limited quantities of 250 units worldwide and 80 units domestically. The design is also excellent, and the sound quality is smooth and has just the right amount of gloss. If you are using the company's 300B Classic power amplifier, please give it a try. There is a feeling of use such as slight dullness and small scratches. Genuine Heinz & Company product. Serial 241195885 (Atsushi Takasaki)
Maintenance information: 2022.11.21 Maintained (replaced due to diode burnout EQ circuit vacuum tube MT vacuum tube socket electrolytic capacitor
Meter lamp replacement main power supply SW replacement fuse capacity is different, so replacement missing screws added switching ring misalignment correction board cleaning switch and volume type cleaning, each input/output check interior and exterior cleaning. (*The balance volume cannot be narrowed down, but this is a specification.)
Accessories: power supply unit, manual copy, power cord
Main specifications: Input/PHONO1 system, RCA4 system, XLR1 system output/RCA2 system, XLR1 system main unit W480 ✕ H140 ✕ D360mm 9.0kg Power supply unit W127 ✕ H75 ✕ D280mm 2.2kg