※It has a cigarette smell, so it's cheap. Maintained! Modular phono equalizer for vacuum tube circuits. The Phono Module, a phono preamp with MC input using a head amplifier instead of a transformer, combines both a vacuum tube and a solid state device, so you can hear a very fine, supple, and stable sound. The exterior has scratches on the volume and top plate. Serial 3105993 (Yonejima Satoshi)
Maintenance information: 2024.4.27 Maintained (power supply part rubber foot mounting vacuum tube pin cleaning volume cleaning connector part screw tightened. Audio check for each input/output ※It takes about 2 minutes for the sound to come out after the power is turned on → warm-up is complete. Also, when switching functions, a mute operation of about 15 seconds intervenes. Note: The XLR output is a variable output, so the volume is effective, but the RCA output is fixed. (not via volume)
Accessories: power cable
Main specifications: Vacuum tube used ECC83 x 1, ECC81 x 1, ECC88 x 1 Phono (MM, MC) LINE main body W437 x H80 x D390 mm weight 7.62 kg power supply unit W100 x H77 x D230 mm weight 4 kg
The disposal price has been reduced. Member prices are not applicable. 2023/12/10 sales price 18,000 yen USB isolator Input to USB Type-B and output from USB Type-A. USB low-speed (1.5Mbps) and full-speed (12Mbps) dedicated hubs. Please refer to the manufacturer's website for details. https://octy.co.jp/products/usb20.html ※5V power supply is not included. Please prepare separately (Oikawa Tetsuji)
Maintenance information: 2023.12.10 storefront operation confirmed (5V test power supply is supplied, and sound output operation confirmed by connecting between PC and USB DAC)
Accessories: *USB microB 5V power supply is not included. Please use your own USB adapter or the like.
Main specifications: 110mm×64mm×30mm 230g
Maintained in October 2022! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. On the exterior, paint is bald and oxidized (Yonejima Satoshi)
Maintenance Information: 2022.10.7 Maintained (Terminal rust removal, acid cleaning, insulation bushing & mounting screw replacement. ATT replacement A frequency characteristic measurement check (~ approx. 42 kHz) was performed, and the original capacitor was continuously used for good results. Input/output waveform and balance check, sound output check.)
Accessories: no accessories
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg