1 sold in USA JAN tea base measurement 90 (rejection value 48) with original box ※ Measured value is gm value measured with tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 46/44 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 48/46 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
※Set of 2 (both tubes are not treated as a pair since their structures are very different), deflection output tubes, made in America, measured value 66/64 (rejection value 38), with original box (box lid is missing) *Measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: original box
Pair tube, triode, metal base, made in America, with original box, the size of the glass tube is different on the left and right, but the internal structure is the same ※The pair is determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke)
Accessories: white box
Pair tube, triode, metal base, made in America, comes with a box, is inexpensive because there are fewer gutters and there are burns ※Pairs are determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke)
Accessories: white box
Maintained! A classic British Quad stereo power amplifier. Small in size yet full torque. The sound, which is as deep as a tube amp, exudes an appeal that won't fade. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 62226 (Yonejima Satoshi)
Maintenance Information: 2024.3.25 Maintained (INPUT DIN 4P replacement, internal Tr, C, R all checks. DIN4P-RCA female cable created. Operation check, pattern solder processing)
Accessories: power cable, connection cable
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
Maintained! A classic British Quad stereo power amplifier. Small in size yet full torque. The sound, which is as deep as a tube amp, exudes an appeal that won't fade. There is a feeling of use such as dullness. Serial 3121 (Takasaki Atsushi)
Maintenance information: 2024.3.22 maintained (INPUT DIN4P and AC connector replacement, DIN4P-RCA x 2 (1m) creation, internal check, DC cut C, coupling C replacement, RCH offset VOL exchange, constant change in constant voltage circuit)
Accessories: copy of manual, power cord, connection cord
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
The disposal price has been reduced. Member prices are not applicable. 2024/1/18 sales price 118,000 yen Maintained! QUAD's first transistor preamp. The deep sound image and the impression that the natural atmosphere has definitely increased, and the glossy way it rides and the sound that goes through the core make you think it's a vacuum tube amplifier. Of course, it's a combination with the 303, and the sound doesn't feel out of place even when paired with a vacuum tube power amplifier. BAL knobs are worn out (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (front push button contact failure → cleaning, PHONO/LINE in-board coupling capacitor replacement. AC spark killer capacitor broken → replaced, each VOL cleaned, power cable created)
Accessories: copy of instruction manual
Main specifications: external dimensions W550 x H110 x D220 mm, weight approx. 7.4 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value 47mA/47ma (the best standard IP value for this amplifier is 50mA) with original box (part of the box is damaged) *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: original box
Pair tube, 6L6GC compatible ball, high reliability tube, made in America lot: 8526/8526 measured value 44/42 (rejected value 25) with replacement box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, ambient heat beam tube, made in America, JAN measurement value 42/40 (rejected value 25) with white box ※Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box