The disposal price has been reduced. Member prices are not applicable. 2026/6/1 sales price 598,000 yen Maintenance has been completed, including 6 capacitors, 2 input ASSY replacements, and vacuum tube socket caulking repairs! Changed to Japanese specification 100V. A mono power amplifier for broadcasters developed at the North West German Broadcasting Center. The tone is quite thick, supple, and soft. It's a model I'd like to try with Old Tannoy, Quad ESL, Eurodyne, etc. There is rust, dullness, etc. over time ※ Vacuum tube F2a11 1 guide pin is broken, but there is no problem with performance. Input impedance: 600 ohms (ambala), output impedance: 4 ohms (Oikawa Tetsuji)
Maintenance Information: 2026.5.31 Maintained (◎ Common Electrolytic Capacitor 33 μF Made in Other Countries → 3 x 2 · Input ASSY Replaced with Our Product 1 x 2 · AC Code 3P → 2P Connector Added 1 x 2 · Vacuum Tube Socket Caulking Repairs ※ Other Operation Checked (23 to 26 W with rated output AC100 to 110V, measured at SP: 4 Ω) * Input impedance: 600 ohms. Please go to BIAS at AC100V near the front of the green line. ※ No. 731 vacuum tube F2a11 1 guide pin is broken, but performance is not affected. (*The No. 808 panel screw fixing washer is missing, so the screw will come off)
Accessories: XLR/RCA conversion cable, power cable
Main specifications: 100V specification F2A11 push-pull effective output 40w (8Ω) vacuum tube F2A11 x 2, EF804 x 2 W522 x H171 x D290 mm 13.5 kg (actual measurement)
Pair tube 12E1 equivalent tube British beam quadrupole top plate measurement value 62/56 (rejected value 40) There is writing on the top of the tube head with original box*Pairs are determined based on GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 12E1 equivalent tube British beam quadrupole top plate measurement value 56/54 (rejected value 40) There is writing on the top of the tube head with original box*Pairs are determined based on GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
The disposal price has been reduced. Member prices are not applicable. 2025/11/23 sales price 32,000 yen additional shelf board for QAVM. A valuable suriglass type that is now difficult to obtain. There are no noticeable scars (Kojima Yosuke)
Accessories: none
Main specifications: W1085×H25×D500mm
The price has been reduced. 2026/6/12 sales price 278,000 yen Maintenance has been completed, including the addition of 5 deteriorated electrolytic capacitors and step-up transformers! It is a 2+22 mono type. The analog EQ curve can be switched with a single button, perfect for mono recording enthusiasts. This is one that you want to play in combination with vintage speakers such as Tannoy and Altec. The nostalgic atmosphere that does not appear on modern aircraft is pleasant (Sasaki Shota)
Maintenance Information: 2026.6.12 Maintained (◎ QUAD2 · Electrolytic Capacitor 22 μF Deterioration Exchange · Resistance 3 W Deterioration Replacement · Step Up Transformer Added ◎ QC2 · Main Volume Contact Defect Repair · Vacuum Tube ECC83 Deterioration Exchange · Oil Capacitor 0.1 μF Deterioration Exchange · Film Capacitor 0.1 μF Made in Other Countries → Replace 6 with European Products · Electrolytic Capacitors 22 μF Replaced in Other Countries → Replace 2 Resistors with 1W Deterioration Replacements ・Vacuum tube socket and RCA jack caulk repair
*Operation has also been checked with AC 220V (rated output 15 W, SP: 16 ohm wiring))
Accessories: none
Main specifications: QUAD2 frequency characteristics 20 to 20,000 Hz input sensitivity 1.4 V signal-to-noise ratio 80 dB W313 x H165 x D106 mm weight approx. 9 kg QC2 line 2 systems, 1 phono system W263 x H88 x D150 mm weight approx. 3 kg
Maintained! The RCA terminal has been replaced with a banana-compatible SP terminal. Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. Serial 3803 (Tamura Eiji)
Maintenance information: 2026.4.15 Maintained (power stage Tr, driver Tr check. Replace part C and R deterioration in the board. Input DIN terminal rewiring, operation check, RCA, speaker terminal screwing.)
Accessories: power cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
Maintained! A famous machine 44 with an easy-to-handle RCA terminal added to the rear terminal of the Quad control amplifier. The British QUAD's small preamp is a perfect balance between the freshness and richness of character. When paired with the same speakers made in England, you can enjoy a calm, high-quality sound. There are line scratches on the left side of the exterior, dull buttons, etc., and there is a feeling of use throughout (Kobayashi Hitoshi)
Maintenance Information: 2026.2.3 Maintained (IC OP AMP replacement in CD position board. Other checks) 2025.3.5 maintenance completed (power supply SW contact cleaning, correction, RCA terminal screw tightening correction, cleaning, caulking each SW, Vol cleaning (some chips remain) 2023.11.15 maintenance (VOL cleaning, C replacement in other mainboards, C etc. in each AMP, etc.) AC spark killer replacement in the power supply.)
Accessories: power cord, connection cord, instruction manual (copy)
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg
The disposal price has been reduced (member prices are not applicable). 2025/11/16 Sales price 118,000 yen Maintenance has been completed, including replacement of 4 capacitors and 1 resistor. This is QUAD's first transistor preamp. The dark tone, with a sweet sense of humidity, is the British sound itself. The combination with the company's 303 power amplifier is also an attractive system. There are small scratches, dullness, etc. appropriate for the model year (Oikawa Tetsuji)
Maintenance Information: 2025.11.16 Maintained (AC Switch Spark Killer NG → Replaced. Replace the capacitor in the power supply. Capacitors in each AMP have been replaced. Each VOL and SW cleaning. Operation inspection check)
Accessories: power cable, connection cable, copy of instruction manual
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
Maintenance has been completed, such as replacing 12 deteriorated capacitors, replacing 1 resistor, and creating a new connection cable. A small British QUAD preamp. It has an elegant and glossy tone, and the output sensitivity can be selected from 3 levels. Combinations with 405 are common, but 606 etc. are also a good match. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. The adjustment door is newly made of acrylic, but there is no hinge function and it is simply placed on it like a lid (Oikawa Tetsuji)
Maintenance information: 2026.5.10 Maintained (power supply filter C replacement. AC Spark Killer C and card board bypass C replacement (VOL cleaning for each SW cleaning, connection cable creation)
Accessories: power cable, connection cable
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg
The disposal price has been reduced! Member prices are not applicable. 2026/4/20 sales price 448,000 yen Deteriorated parts including capacitors have been replaced and maintained! 220V specification (with 100V to 220V step-up transformer) This separate amplifier is still popular even now, 70 years have passed since its release. The thickness, luster, and tension of the sound are all emotionally composed, and perfectly express the sound of the instrument. Anyway, it is a famous machine with thick, firm mid-bass, and a tasteful sound unique to vacuum tubes. The external condition shows signs of use over time, such as damage, dullness, abrasions, etc. Serial 2373/27262/26728 (Fujisawa Yukishi)
Maintenance information: 2026.4.20 Maintained (QUAD2 (common) step-up transformer added. 1 x 2 x 3W Deterioration Resistor Replacement No. 27262 oil capacitor 0.1 μF pair replacement QUAD22 blue line side broken wiring repair. Block capacitors 16 μF x 3 defective → replace 3 with 22 μF electrolytic capacitors. 4 1W resistors and 1/2W deterioration replacements Gang error improvement measures → 4 additional 1/4 W resistors for Radio1 only. Induction hum reduction measures → copper foil added. Vacuum tube socket and RCA jack caulking repair)
Accessories: power cord, step-up transformer
Main specifications: 13W (16Ω) with rated output AC220V [QUAD22] EF86 × 2 ECC83 × 2 input PHONO, RADIO, TAPE W267 × H89 × D148 mm 3.2 kg [QUAD2] KT66 × 4 EF86 × 2 GZ32 15W+15W W321 × H162 × D119 mm 8.2 kg/unit
Maintained! Input/output RCA specification! It has an elegant and glossy tone, and the output sensitivity can be selected from 3 levels. Combinations with 405 are common, but 606 etc. are also a good match. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. (FUJISAWA KOSHI)
Maintenance information: 2026.5.15 Maintained (replacement of coupling tantalum capacitors, bypass capacitors, etc. within each board. Each rotary switch is balanced VOL cleaned. Power switch and spark killer capacitor replacement.)
Accessories: copy of instruction manual, power cord, connection cord
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg
The disposal price has been reduced. Member discounts are not applicable. 2026/1/11 sales price 128,000 yen Maintenance completed in 2013/1. Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. Exterior, dullness, chipping, bruises, abrasions, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2026.1.10 operation confirmed 2013.1.18 maintenance completed (each inspection adjustment, RCA terminal installation, VR replacement input/output, balance waveform measurement operation confirmed)
Accessories: power cable, copy of instruction manual
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz W341 x H115 x D195 mm 9 kg
Maintained! Input/output RCA specifications. ※The balance has passed, so it cannot be used. It has an elegant and glossy tone, and the output sensitivity can be selected from 3 levels. Combinations with 405 are common, but 606 etc. are also a good match. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. The exterior has peeling paint and scratches. Serial 6833 (Yonejima Satoshi)
Maintenance information: 2026.6.4 Maintained (capacitors, etc. have been replaced. Pin jack cleaning operation check. (It has a balanced VOL pass, so it cannot be used.)
Accessories: copy of the instruction manual, power cord, connection cord
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg
Maintained! Quad power amplifier Although it is a compact body, you can enjoy the sound with a thick core. In particular, it makes me listen to 70s analog sounds with a sense of dynamism. There is dullness, scratches, and paint peeling (Asaine Tomoho)
Maintenance information: 2026.5.24 maintained (pattern all re-soldered in the board) 2025.11.18 maintained (internal check pattern repair piece ch check) 2025.7.4 maintained (internal double channel dismantling TN check → OK. DC cut C, gain setting C, etc. exchange ~ operation check)
Accessories: power cable, connection cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/7/5 sales price 128,000 yen Maintenance has been completed, such as replacement of deteriorated capacitors and transistors. Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. Exterior, paint deterioration, dullness, rust, scuffs, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2025.7.5 maintenance completed (block C, VOL, rubber feet, power stage Tr, C and R replacement in the board. Input cable creation (DIN4P-RCA female) operation check)
Accessories: instruction manual, power cable, connection cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/11/18 sales price 128,000 yen Maintained! The QUAD405 is full of appeal and makes you listen to the whole picture of the music in a tasteful way. Along with feedforward operation, the high quality, which smoothly transitions to A class operation at low levels and B class operation when the level rises, is also worth listening to. There are scratches, scuffs, and dullness on the exterior. Serial 4546 (Jun Tamai)
Maintenance information: 2025.10.12 Maintained (INPUT connector VOL lead resoldering process check)
2025.7.2 Maintained (internal all dismantling checks, Tr, C, R checks, operation checks, rubber, etc.)
2016.12.23 Maintained (Vol replacement, Rch power, Tr replacement, capacitor resistor replacement (both channels) operation check)
Accessories: Connection cord, power cord, copy of instruction manual
Main specifications: 100W+100W (8Ω) dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced. Member discounts are not applicable. 2026/5/9 sales price 448,000 yen Fully maintained, including replacement of deteriorated capacitors and resistors! The 220V specification (with 100V to 220V step-up transformer) is still popular today, 70 years after its release. The thickness, luster, and tension of the sound are all emotionally composed, and perfectly express the sound of the instrument. Anyway, it is a famous machine with thick, firm mid-bass, and a tasteful sound unique to vacuum tubes. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance Information: 2026.5.9 Maintained (QUAD2: Step Up Transformer Additional Block Capacitor 16 μF x 2 Hum Noise Replacement and Mounting Bracket Manufacture 1 x 2 Oil Capacitor 0.1 μF Deterioration Replacement x 2 Electrolytic Capacitor 22 μF Deterioration Replacement 1 x 2 x 2 Resistance 3W Deterioration Replacement 1 x 2 QUAD22: Vacuum Tube EF86 Replacement (2026.4.13 Supply Arrived) Adapter Missing 2 Block Capacitors Manufactured 16 μF x 3 → 3 additional electrolytic capacitors, 4 electrolytic capacitors, 22 μF deterioration replacement, 4 film capacitors, 0.1 μF, other deterioration exchanges, 2 resistors, 1 W and 1/2 W replacement, 8 gang error improvement measures → 1/4 W additional resistors, 5 AC plugs, additional vacuum tube socket and RCA jack caulking repair ※ Other operation check with AC 220V (rated output 13 W SP: 16 Ω wiring)
Accessories: power cable, copy of instruction manual, step-up transformer
Main specifications: 13W (16Ω) with rated output AC220V QUAD22: EF86 × 2 ECC83 × 2 input PHONO, RADIO, TAPE W267 × H89 × D148 mm 3.2 kg QUAD2: KT66 × 4 EF86 × 2 GZ32 15W+15W W321 × H162 × D119 mm 8.2 kg
The disposal price has been reduced! (Member prices are not applicable) 2026/5/22 sales price 278,000 yen Maintained! It is a 2+22 mono type. The analog EQ curve can be switched with a single button, perfect for mono recording enthusiasts. This is one that you want to play in combination with vintage speakers such as Tannoy and Altec. The nostalgic atmosphere you can't get on a modern aircraft is pleasant. The exterior has a feeling of wear over time, such as scratches and dullness. Serial 8275/73383 (Tomonori Asaine)
Maintenance information: 2026.5.22 maintained (Quad2 · step up transformer added · AC cord replacement to normal type · lamp defect exchange 3 · 0.1 μF deterioration replacement · 3 oil capacitors · 22 μF deterioration exchange · resistance 3W deterioration exchange · vacuum tube socket caulking repair QC2 · poor contact disassembly repair with each button · new manufacture of oil capacitors 0.1 μF, etc. · 3 deterioration replacements · 22 μF electrolytic capacitors 4 other faults and deterioration replacements · 2 Mylar capacitors 1500 pF and other deterioration replacements · vacuum tube socket and RCA jack caulking repair ※ Other operation checked with AC230V (rated output 21W, measured at SP:8Ω) *Please press the 1 and 2 buttons on the radio 3 at the same time. Also, due to the structure of the selector, switching noise is high. ※The GZ32 guide pin of the rectifier tube is broken, but there is no problem with performance. Please be careful not to mismatch the position when inserting and inserting. (The rectifier tube and main body are marked in white)
Accessories: power cord step-up transformer
Main specifications: QUAD2 frequency characteristics 20 to 20,000 Hz input sensitivity 1.4 V signal-to-noise ratio 80 dB W313 x H165 x D106 mm weight approx. 9 kg QC2 line 2 systems, phono MM1 system W263 x H88 x D150 mm weight approx. 3 kg
Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior is painted bald. Serial 7135 (Fujisawa Yukishi)
Maintenance information: 2026.5.22 Maintained (AC sector router → noise → replacement. Check all capacitors, power transistors, and transistors in both channel boards → replace deteriorated capacitors. Operation check)
Accessories: instruction manual, power cord, connection cord
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
Maintained! Input/output RCA specification! It has an elegant and glossy tone, and the output sensitivity can be selected from 3 levels. Combinations with 405 are common, but 606 etc. are also a good match. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. *The switch bank on the top plate has been removed and cannot be used (the TAPE input itself can be used.) You only need to put the acrylic cover on the top plate. Serial 024572 (Fujisawa Yukishi)
Maintenance information: 2026.5.3 maintained (replacement of a total of 17 coupling capacitors and other capacitors in the main board. Each VOL and SW cleaning. AC spark killer replacement.)
Accessories: power cord, connection cord
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg
The disposal price has been reduced. Member prices are not applicable. 2026/5/6 sales price 478,000 yen Deteriorated parts including capacitors have been replaced and maintained! 220V specification (with 100V to 220V step-up transformer) with wood cab. A separate amplifier that is still popular even now, 70 years after its release. The thickness, luster, and tension of the sound are all emotionally composed, and perfectly express the sound of the instrument. Anyway, it is a famous machine with thick, firm mid-bass, and a tasteful sound unique to vacuum tubes. The exterior is oxidized on the volume knob, and there are text fragments (Mizusaki Ryo)
Maintenance information: 2026.5.3 maintained (◎ QUAD2 (common) · oil capacitor 0.1 μF deterioration replacement 3 x 2 · electrolytic capacitor 25 μF deterioration replacement x 2 · resistor 3W deterioration replacement 1 x 2 ◎ No. 36252 · vacuum tube KT66 damage replacement (it seems that it was broken into pieces during transportation. 2026.4.9 Supplies have arrived) ◎ QUAD22 · Filter selector hardening replacement · block capacitor 16 μF x 3 deterioration → replaced with 3 electrolytic capacitors · 0.5 μF other domestic products → replaced with European ones 4 · electrolytic capacitors 22 μF domestically produced → replaced with European products 4 · lamp defect replacement/resistance 1W deterioration replacement 4 · Radio1 only gang error improvement measures → 1/4 W resistor added 3 units* other with AC 220V Operation checked (measured at rated output 17W SP:8Ω) *KT66 1 glass shard is mixed in and makes a rattling sound, but operation is not affected)
Accessories: power cable, 220V step-up transformer
Main specifications: 17W (8Ω) with rated output AC220V [QUAD22] EF86 × 2 ECC83 × 2 input PHONO, RADIO, TAPE W267 × H89 × D148 mm 3.2 kg [QUAD2] KT66 × 4 EF86 × 2 GZ32 15W+15W W321 × H162 × D119 mm 8.2 kg/unit
The price has been reduced. 2026/5/20 sales price 79,800 yen Maintenance was completed in 2025/8. The 606 is thick and unimaginable from its compact exterior. The good sound unique to QUAD allows you to enjoy not only classical music, but also jazz vocals in a mild way. The high level of musicality that makes you enjoy the music with a pleasant tone stands out. Overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2026.5.20 Operation confirmed
2025.8.24 Maintained (±b bypass c in both CH boards, gain setting C replacement Lch power stage Tn x 1, poor characteristics → replacement
Operation test)
Accessories: power cable, copy of instruction manual
Main specifications: output 140W+140W (8Ω) frequency characteristics 20Hz to 20kHz (-0.5dB) 13Hz to 40kHz (-1.0dB) total harmonic distortion ratio 0.01% or less (up to 130W 100Hz/1kHz) input sensitivity 0.5V input impedance approx. 20kΩ crosstalk 100dB (100Hz) 85dB (1kHz) 65dB (10kHz) S/N ratio 105 dB speaker minimum load 4 Ω external Dimensions W321 x H134 x D240 mm Weight 12 kg
Maintained including replacement of 3 capacitors. Domestic band specification. A dedicated FM tuner with a design similar to the compact Quad 33 preamp. The design has a good sense of style, and allows you to clearly listen to a comfortable range without pursuing a sense of range. There is some rust on the top plate (Oikawa Tetsuji)
Maintenance information: 2026.5.31 Maintained (internal check, power supply filter C replacement. (Other f covers, sensitivity check → OK)
Accessories: DIN-RCA cable, power cable
Main specifications: W250 × H92 × D150 mm 3 kg
The disposal price has been reduced! (Member discounts are not applicable) 2025/11/19 sales price 128,000 yen Maintained! RCA and VOL have been added, so it's easy to use. The exterior is painted black. Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior is dull and has small scratches over time. Serial 8508 (Yonejima Satoshi)
Maintenance information: 2025.11.19 Maintained (internal all inspection → Lch power stage Tr, gain setting C, INPUT VOL replacement. DIN SP rewiring, first drive IC OP AMP replacement)
Accessories: power cord
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The price has been reduced. 2026/6/13 sales price 448,000 yen 117 V specification. Deteriorated parts, including the condenser, have been replaced and maintained! A separate amplifier that is still popular even now, 70 years after its release. The thickness, luster, and tension of the sound are all emotionally composed, and perfectly express the sound of the instrument. Anyway, it is a famous machine with thick, firm mid-bass, and a tasteful sound unique to vacuum tubes. There are small scratches over time and there is a feeling of use (Sasaki Shota)
Maintenance information: 2026.6.13 maintained (◎ QUAD2 · 0.1 μF deterioration replacement 2 x 2 · electrolytic capacitor 22 μF deterioration replacement 1 x 2 · resistor 3W deterioration exchange 1 x 2 ◎ QUAD22 · CD/Phono circuit wiring defect improvement treatment · main volume cleaning repair · spark killer deterioration replacement 2 pieces · block capacitor 16 μF x 3 defective → replaced with 3 electrolytic capacitors · Mylar 5600pF deterioration replacement 2 capacitors, 22 μF deterioration replacement, 4 electrolytic capacitors, 0.1 μF other deterioration replacement, 8 film capacitors, 0.1 μF other deterioration replacement · Radio1 only gang error improvement measures → 1/2 W resistance added, 3 vacuum tube sockets and RCA jack caulking repairs
*Other operations have been checked (13 to 18 W with rated output AC 100 to 117 V; output: 16 ohm wiring)
Accessories: power cable
Main specifications: 13 to 18 W (16 Ω) [QUAD22] EF86 × 2 ECC83 × 2 input PHONO, RADIO, TAPE W267 × H89 × D148 mm 3.2 kg [QUAD2] KT66 × 4 EF86 × 2 GZ32 15W+15W W321 × H162 × D119 mm 8.2 kg/unit
Digital cable RCA terminal 0.5 m enables 300 MHz ultra-high frequency transmission to even accurately transmit digital signals. A solid, punchy reference digital cable representing the 90s. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2026.6.10 continuity confirmed
Accessories: No accessories
Pair tube (checked with a tube checker) beam quadrupole. There is a tea box. Measured value 36,34/30 (rejection value) *The pair was determined based on the GM value measured by the testing machine TV-7. The ※ logo is scratched, so it's a bargain.
The price has been reduced. 2025/6/7 sales price 24,000 yen, unopened, set of 4 It is said to be for quadra spike racks. These are high sound quality legs that can be used in place of genuine legs from compatible racks. Ideal sound quality can be brought out when combined with EcoBrass Spike-Base (ASB-0104/ASB-0103) (permanent future)
Maintenance information: 2025.6.7 operation confirmed
Accessories: none
Main specifications: Compatible models QUADRASPIRE racks (compatible with Q4/Q4D series and QAVM glass shelf models)
screw hole diameter 12mm