The disposal price has been reduced! (Member prices are not applicable) 2025/11/16 sales price 198,000 yen Maintained! CARY's rare preamp. Despite its simple configuration, this preamp has an attractive warm tone unique to CARY. The character is easy to use without choosing a power amplifier. The exterior is dull and has small scratches. * As for the power supply, turn the power on → set the power switch to the OPR (Operate) position (turn 2 positions to the right), and it will be in operation after 30 seconds of mute operation. Serial 951122 (Yonejima Satoshi)
Maintenance information: 2025.11.16 Maintained (restore the modified part and clean the vacuum tube pin. SW idle rotation correction. Input/output audio check. *When on the MONITOR side, the rear MONITOR terminal is enabled (green LED lights up), and when on the TAPE side, the SELECTOR switch is enabled and TAPE/AUX/CD/TUNER input can be selected)
Accessories: copy of instruction manual, connection cord, power cord
Main specifications: Class A triode control amplifier, 12AX7 x 2, 12AU7 x 4, 6CA4 x 2, 317 x 120 x 300 mm,
9.9 kg
Pair tube VT-4C equivalent tube large triode made in America Actual measured IP value: 49/45 mA (the best standard IP value for this amplifier is 50 mA) with white box both tubes have burns inside the tube*Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke)
Accessories: white box
Pair tube, VT-4c equivalent tube, large triode tube, made in America, measured IP value: 49/49 mA (the best standard IP value for this amplifier is 50 mA) with white box, both tubes have getter burnt and loss ※Please note that depending on the shape of the socket, the socket may get caught in the protrusion around the pin at 1 place on the bottom and prevent it from coming out ※The sound output was checked with a test amplifier, and the plate current value was measured, and it was determined that the operation is good Yes (Kojima Yosuke)
Accessories: white box
Maintained by Triode! Triode 300B mono tube power amplifier. It is an A class para single using the 300B, which the company excels at, and is also compatible with floor-type speakers. The sound is clear, modern, yet subtly warm. There is also a balanced input, which demonstrates its ability even with modern systems. There is a small scratch on the top plate. Serial 07090337 07090338 (Kanai Hidetsugu)
Maintenance information: 2025.12.2 maintenance completed (12AU7 and coupling capacitors deteriorated on the 337 side. Deterioration was seen in 12AU7, coupling capacitors, and electrolytic capacitors on the 338 side. (Deteriorated parts were replaced, and each part was adjusted, auditioned, and aged.)
Accessories: power cable, original box
Main specifications: used vacuum tube 300B×2 12AX7×1 12AU7A×1 A grade para-single 20W+20W (8Ω) output 6Ω/8Ω/16Ω input RCA1 system balance 1 system (No. 2 HOT) W176 × D440 × H220 mm 15 kg/unit
Pair tube double triode tube 6188 equivalent tube black plate brown base measurement value 58/52 (rejected value 30) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, double triode tube, 6188 equivalent tube, black plate, brown base, measured value 52/52 (rejected value 30), both tubes with original box are inexpensive because the number of getters has been reduced ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold as 1 bottle, double triode tube, made in America, JAN brown base measurement value 80 (rejected value 32) *The measured value represents the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: none
It seems to be a vacuum tube made in China due to the pair tube direct heat triode structure PENTA LABRATORIES sorting sphere measurement value 62/62 (rejection value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
It is thought to be made by Shuguang Electronics (China) due to the pair tube direct heat triode structure. Measured value 68/66 (rejected value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
From the pair tube direct heat triode structure, the printing on the vacuum tube and base seems to be a reprint. Measured value 66/62 (rejection value 38) with white box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube double triode tube made in the Soviet Union measured value 112/108 (rejected value 50) with original box on one side has disappeared ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube double triode tube, made in America, measured value 96/90 (rejected value 50) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box (can be written on)
Pair tube double triode power tube, made in America, JAN measured value 60/56 (rejected value 40) with original box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold in 1 bottle, double triode, Russian reprint model, measured value 120 (rejected value 50) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold as 1 bottle, double triode tube, American black plate, square getter, measured value 96 (rejected value 50) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Single sale double triode tube, made in Japan, measured value 108 (rejected value 50) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube double triode tube made in Russia, measured value 120/120 (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 double triode tube made in Russia measured value 116/114 (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
Single sale double triode tube, made in Japan, measured value 96 (rejected value 50) with replacement box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Sold as 1 bottle, double triode tube, made in America, measured value 106 (rejected value 50) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Sold in 1 bottle, double triode tube, VT-231 equivalent tube, made in America, measured value 90 (rejected value 50) with white box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
※Shipping service. Special Feature = Audition Test for 75 Separate and Integrated Models/World's First! Sound quality comparison of 11 output transformer models, and comparison of 28 successive direct thermal triode models. Published 1995/3/31. Since the photograph is a sample, the actual item may be broken or have markings etc.
Pair tube double triode tube made in the Soviet Union measured value 104/100 (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 double triode tube American D getter measurement value 74/72 (rejected value 50) with white box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube double triode tube, made in America, D getter measurement value 84/82 (rejection value 50), there is burn on one side of the tube with white box, and there is getter burn ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube double triode tube made in America measured value 94/90 (rejected value 50) The printing design on the base part with the original box is different, but the structure is the same*Pairs are judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube double triode tube, made in America, measured value 100/96 (rejected value 50) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube double triode Russian reprint model measured value 54/52 (rejected value 32) The printing on the tube with the original box is erased ※Pairs are judged based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube double triode Russian reprint model measured value 118/116 (rejected value 50) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold as a pair, the double triode tube seems to be made in Russia due to the VT-231 equivalent tube structure. Measured value 110/110 (rejected value 50) with original box ※The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box