The price has been drastically reduced! 2026/5/8 sales price 1,180,000 yen with original box! A popular black piano model. I am overwhelmed by the range and depth. The piano trio is a versatile player who swings lightly and sounds softly with delicate vocal music. The 800 series boasts such high performance that many audio manufacturers use as a standard for determining sound. The exterior condition is dull over time, but there are no conspicuous scratches
. Serial 17030006310FP37486/17030006309FP37486 (Yamato Yuki)
Maintenance information: 2026.5.8 operation confirmed
Accessories: original box Saran net spike jumper instruction manual
Main specifications: 25 mm diameter tweeter x 1 130 mm diameter mid x 1 165 mm diameter woofer x 2 frequency band 20 Hz to 35 kHz efficiency 89 dB impedance 8 ohms W238 x H1,019 x 345 mm 33 kg/1
A phono equalizer that makes it easy to enjoy analog records. You can enjoy an analog record player even with a premain amplifier (preamp) that does not have a PHONO input. The sharp, unobtrusive playback sound is attractive. The exterior is dull over time, and there is a small scratch on the upper left side of the front panel. Serial 22090948 (Yamato Yuki)
Accessories: power cord
Main specifications: input sensitivity 2.5 mV (MM) /0.25 mV (MC) gain 46 dB (MM) /64 dB (MC) input load resistance 47 kΩ (MM) /2 to 47 Ω (MC) W60 × H100 × D230 mm 1 kg
Manufacturer's maintenance completed! Tubular CD player using ECC88/6DJ8 as the output stage. Compatible with USB/RCA coaxial/TOS optical digital inputs, it can be used not only as a CD player but also as a DAC by connecting to a PC. *The vacuum tube enters the circuit only for the RCA output. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.5.9 manufacturer maintenance completed (tray belt replacement, remote control attached, comprehensive inspection of each part, audition test, aging)
Accessories: remote control, power cable, original box
Main specifications: Vacuum tube/6DJ8 (ECC88 compatible) x 2, 6N1 x 1 (for power supply) D/A converter/bar brown PCM1798 digital input terminal/USB (B) RCA coaxial, optical (TOS) digital output terminal/coaxial, optical (TOS) analog output terminal/RCA or XLR (No. 2 HOT/No. 3 COLD) However, the XLR output is solid state only, size W345 x D320 x H105 mm, weight 8 kg
* Since there are many pieces of glass stuck inside, it is cheap. Sold as 1 bottle, 1997 reprint, direct heat triode tube, made in America, lot: 9739, measured value 80 (rejected value 58), the glass on the stem part with the original box is missing and is stuck inside the tube (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode made in America JAN measured value 82/80 (rejected value 47) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube double triode tube American-made smoke measurement value 100/98 (rejected value 50) with white box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube, made in America, measured value 78/74 (rejected value 47), the printing on the base with white box is different on both tubes, but since the structure is the same, they are treated as a pair ※ pairs are determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
RCA cable 1.0 m pair triode's first RCA cable. It was developed with the theme of making the most of the sound of vacuum tube amplifiers. The bright cable colors typical of the company are also impressive (Murakoshi Yoichi)
Maintenance information: 2026.5.3 continuity confirmed
Accessories: none
Pair tube double triode tube, made in America, measured value 106/104 (rejected value 50) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube ambient heat triode output tube made in Japan Hi-Fi measurement value 64/62 (rejection value 40) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, 211 equivalent tube, large triode tube, made in America, actual measured IP value: 47/47 mA (the best standard IP value for this amplifier is 50 mA) with the original box included; there is a slight burn on the tube ※Sound is checked with the test amplifier, the plate current value has been measured, and it has been determined that the operation is good (Kojima Yosuke)
Accessories: original box (UNITED printing)
Sold as 1 bottle of Parathermal Dual Triodes Made in America LOT: 643? (The end is probably 9) Measured value 42 (rejected value 40) There is an adhesive mark at the junction between the base with the original box and the tube, and it is inexpensive because it makes a crackling sound inside the base*The measured value is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Direct heat triode tube sold in Canada, JAN square getter, measured value 64 (rejected value 38), there is slight burning inside the tube with the original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle ECC88 compatible spherical double triode tube, made in the Netherlands, measured value 90 (rejected value 62) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Direct thermal triode tube sold in America, made in America, VT-63 compatible ball fishing rod type filament measurement value 86 (rejection value 50) *The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Direct heat triode smoke, sold per bottle, seems to be an OEM product of tangsol due to its American-made structure. Measured value 68 (rejected value 38) *Measured values are shown with the TV-7 testing machine (Kojima Yosuke)
Accessories: none
Pair tube direct heat triode smoke fishing rod filament, made in America, measured value 68/66 (rejected value 38), there is dirt on the tube with white box*The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Single sale direct heat triode lot: 6526 measured value 32 (rejected value 28) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct heat triode tube made in China measured value 66/66 (rejected value 58) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
The disposal price has been reduced. Member prices are not applicable. 2026/2/5 sales price 110,000 yen, sold per bottle, 300B equivalent tube, direct heat triode tube, English tea base code: 7420, measured value 64 (rejected value 58) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode Sun Valley sorting ball made in China measured value 58/56 (rejection value 38) There is a slight burn on the tube head ※The pair is determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
Sold 1 bottle 45 Special Compatible Ball Direct Heat Triode Fishing Rod Type Filament Engraved Made in America Measured Value 116 (Rejected Value 55) with White Box ※Measured values indicate gM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube ambient heat triode output tube made in Japan Hi-Fi measurement value 76/72 (rejection value 40) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Direct heat triode sold per bottle, made in Japan, double gettering measurement value 78 (rejected value 58) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode made in America lot: 9107/9109 measured value 68/68 (rejected value 58) with original box, fewer getters on both sides (of which one side decreased drastically), tube burn on the head, and dirt on the tube*Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale double triode voltage amplifier tube, made in Japan, measured value 68 (rejected value 30) with replacement box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube direct heat triode brown base black plate measured value 64/60 (rejected value 38) with original box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
※The condition of the 2 tubes is very different, so they are inexpensive (the structure is the same) Direct Thermal Triode American-made side getter measurement value 60/60 (rejection value 38) There is a burn on the tube head on one side ※The measured value indicates the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
※The condition of the 2 tubes is very different, so they are inexpensive (the structure is the same) Direct Thermal Triode American Square Getter Measured Value 64/56 (Rejected Value 38) There is a burn on the tube head on one side, and the getter is thin*The measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: none
Pair tube double triode tube American short base measurement value 104/94 (rejected value 50) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box