Sold per bottle, general purpose amplifier tube, top mark, JAN, made in America, measured value 38 (rejected value 28), with replacement box (the lid of the box is missing) *The measured values are values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Sold 1 McIntosh Print Used for drive tubes of the company's MC275CE Made in China. Measured value 62 (rejection value 50) * Measurements are gm values measured on tv-7 tv-7 (Yosuke Kojima )
Accessories: None
Sold 1 McIntosh Print Used for drive tubes of the company's MC275CE Made in China (rejection value 50) * Measurements are gm values measured on tv-7 tv-7 (Yosuke Kojima )
Accessories: None
The interior has been completely overhauled! This is an 811A push-pull tube power amplifier. You can enjoy an overhanging vacuum tube sound with luxurious mono specifications where the woofer is properly braked. The thick, cored sound in the low range makes you feel the momentum and strength unrivaled for a vacuum tube. The entire exterior has scratches and dullness over time (Sasaki Shota)
Maintenance information: 2024.4.26 Maintained (vacuum tube 5R4GY strain and deterioration replacement. 1W resistor distortion and deterioration replacement. 25W resistance deterioration and pair replacement. Vacuum tube 6W6 deterioration replacement/vacuum tube 6SN7 defective replacement. Block capacitors 40 μF x 2 made in Japan → replaced with CE ones. 1 x 2 Vacuum Tube Socket and RCA Jack Caulking Repair Rated output: 85 to 120 W with AC 100 to 117 V, measured at SP: 8 ohms)
Accessories: none
Main specifications: vacuum tube 811A x 4, 5R4GY x 8, 6W6GTB x 4, 6SN7GTB x 2, 12AX7 x 2, 165W+165W W482 x H272 x D310 mm
Large triode sold per unit measured IP value: 50 mA (the best standard IP value for this amplifier is 50 mA) There is a getter burn with the original box ※ I checked the sound output and measured the plate current value with the test amplifier, and it was determined that the operation was good (Kojima Yosuke)
Accessories: original box