Every detail has been maintained, such as 40 capacitors, 6 diodes, 11 vacuum tube sockets, 1 volume, 1 fuse replacement, volume, and switch disassembly and cleaning. A limited edition of 200 units in the ULTIMATE series that revives the sound of the Golden Age of Lux. It is an improved model while inheriting the style of the CL-36. Delicate high frequencies are added to the soft, thick tone typical of a vacuum tube. The cabinet is good even when viewed from the year it was released (Oikawa Tetsuji)
Maintenance information: 2026.5.13 Maintained (complete disassembly and cleaning of switch volume contacts, re-soldering of deteriorated parts on the solder surface of the board. Electrolytic capacitors, block capacitors, coupling capacitors, rectifier diodes, vacuum tube sockets, heat dissipation sheets, spark killers, volume, and fuse replacement. (Exterior cleaning, input/output waveform check, left and right balance check, and comprehensive operation test by connecting a power amplifier)
Accessories: instruction manual
Main specifications: vacuum tube using phono 2 systems 12AX7 x 4, 12AU7 x 6, 12H7A x 1 W490 x H201 x D294 mm 11.5 kg
Maintained in August 2025. A super tweeter with JBL's separate network specifications. It is a model that uses pure beryllium suitable for ultra-high frequency reproduction as the diaphragm to achieve pure sound and breadth with reduced distortion. The playback frequency band is compatible up to 55 kHz, and it is also suitable for playback of next-generation music sources such as SACD. There are threads and dullness on the exterior. (TAMURA Eiji)
Maintenance information: 2025.8.24 maintenance completed (repair with switch knob adhesive hip tube, battery case replacement, battery installation)
Accessories: spike base, cable
Main specifications: 25mm diameter compression driver system super tweeter allowable input 50W playback frequency band crossover ~ 55kHz 4Ω main unit W107 × H67 × D129 mm 0.97 kg network W107 × H55 × D195 mm 1.0 kg
* Since the cutoff on the back and the plastic on the attenuator have broken due to aging, they have been repaired with an adhesive. There are absolutely no issues with sound quality or functionality. Complete with original box and accessories! A super tweeter with JBL's separate network specifications. It is a model that uses pure beryllium suitable for ultra-high frequency reproduction as the diaphragm to achieve pure sound and breadth with reduced distortion. The playback frequency band is compatible up to 55 kHz, and it is also suitable for playback of next-generation music sources such as SACD (Kojima Yosuke)
Maintenance information: 2026.5.13 storefront operation confirmed (confirmed that the sweep test is good, the sound pressure is complete, and the internal battery is also measured at 9V)
Accessories: instruction manual, spike base, tools, gloves, original box
Main specifications: 25mm diameter compression driver system super tweeter allowable input 50W playback frequency band crossover ~ 55kHz 4Ω main unit W107 × H67 × D129 mm 0.97 kg network W107 × H55 × D195 mm 1.0 kg
* Since the meter is defective on one side, it is inexpensive (there is a meter difference between the left and right, and the starting position is not at 0). Maintenance was completed in 2025/12. The final model of Ampzilla. A representative American sound with strong, tight low frequencies! The dry, clean-sounding character is the perfect match for vintage speakers of yesteryear. This is a masterpiece machine that briskly drives famous speakers from JBL and Altec. The exterior is dull and dirty. The fuse holder has been replaced with a black one. Serial 104730 (Tamura Eiji)
Maintenance Information: 2025.12.3 Maintained (fuse holder replaced. Meter switch disassembly contact cleaning. (*The internal movement of the meter was poor, and the meter was disassembled, but repairs were not possible)
2022.5.12 Maintained (fuse holder lock claw adjustment. Replace the fuse. 0 point meter adjustment Offset voltage, idling current adjustment. (Other internal inspection voice check)
Accessories: No accessories
Main specifications: 200W+200W (8Ω) perfect balance configuration W445 × H178 × D229 mm 22.7 kg
Maintained in May 2025. 2 types of weights are included. SAEC long tone arms are highly regarded for their high accuracy. Hard ruby is used for the double knife-edge bearing, and it is characterized by clear, crisp sound quality and accurate sound images. Overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2025.5.2 maintained (DIN terminal replaced with a new one made by USA CARDAS AUDIO, connector, new replacement, inside force canceller weight, genuine product addition, RCA phono cable, external product addition, arm, shell terminal, RCA cable, etc., overall cleaning)
Accessories: instruction manual phono cable (external product), M DIN
Main Specifications: [WE-308L] Double Knife Edge Static Balance Universal Type Total Length 367.5 mm Overhang 5 mm Cartridge Usage Range 12.8 g to 19.8 g (when using standard weights for both shells)
Maintenance has been completed, including dismantling and cleaning the main volume and replacing 30 transistors! The first α907 model. It has the best power and amount of information in the same series. The unique α-X balance circuit achieves a high signal-to-noise ratio. While it has the strength typical of Sansui, the sound is clear and allows you to clearly feel the outline is attractive. There is a small scratch (Daiki Goto)
Maintenance information: 2026.5.13 maintained (① main volume dismantling and cleaning ② output, headphone relay replacement ③ switch disassembly and polishing (imp selector, power amplifier direct, tone, turnover, subcynic, muting, loudness, processor, reck-out, MMMC switching) ④ other volume sound wave cleaning ⑤ power amplifier transistors (16 pieces) replacement ⑥ power supply transistors (4 pieces) replacement ⑦ Flat amp transistor (4 pieces) replacement ⑧ adjustment volume replacement ⑨ solder repair, pin jack polishing, adjustment inspection.)
Accessories: copy of the manual
Main specifications: effective output 190W+190W (6Ω) 180W+180W (8Ω) damping factor 100 (6Ω) W448 × H160 × D441 mm 28.0 kg
Refreshed and maintained, including volume, selector dismantling and polishing! YAMAHA's heavyweight premain amplifier. The low frequency range supported by a good quality power transformer and the clear sound typical of the original Yamaha are attractive. It has an MC phono core, the pre-main part can be separated, and can be developed into a separate one. I have sunburn in the wood cab outside (Daiki Goto)
Maintenance information: 2026.5.13 Maintained (installed because the panel switch is missing. Switch and volume class disassembly contact polishing. Replace resistors with deteriorated capacitors in the left and right main amplifier boards. All board soldering fixes. (I/O pin jack polish.)
Accessories: copy of the manual
Main specifications: 130W+130W (8Ω) 150W+150W (6Ω) PHONO (MM/MC) pre-main separable W473 x H169 x D464 mm 26 kg
※There is no IN/OUT of TAPE2, and the AUX and TUNER INPUT button locks are sweet, so it's cheap. Maintained! AGI's popular 511 preamp. The speedy and straight sound expression goes well with classical jazz, rock, etc., and also matches well with vintage speakers. The power is turned on when the outlet is inserted, but it is the original specification (the front switch is for a service outlet). In addition to the exterior and described above, you can also see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.5.12 maintenance completed (power supply resistor, film C short diode replacement, each SW cleaning) 2022.3.17 maintenance (attached to pin jack TAPE1 input and output. TAPE2 (input/output) hole blocking, operation check) 2022.3.10 maintenance (each SW, Vol cleaning, RCA earth cleaning, hot side pin soldering treatment)
Accessories: none
Main specifications: 1 phono input system (MM compatible), 2 line input systems, frequency characteristics 20 to 20 kHz, W430 x H165 x D285 mm, approx. 8.7 kg
Beautiful item with original box! The company's new model uses a solid body tweeter and a Continuum cone. A powerful machine that reproduces more precise and accurate sound images and sound fields using a number of conventional advanced model technologies. It plays all genres of music without excesses or omissions. The exterior is generally in good condition. Serial FP39438 1710-0005307/FP39438 1710-0005308 (Yamato Yuki)
Maintenance information: 2026.5.13 operation confirmed
Accessories: original box, saran net jumper plate, bath reflex sponge (deformed and deteriorated)
Main specifications: 2-way bass reflex type output sound pressure level 88dB impedance 8Ω playback frequency band 45Hz to 33kHz W200 ✕ H407 ✕ D301 mm weight 9.3 kg
In addition to playing CDs and super audio CDs, it is equipped with Advanced AL32 Processing Plus, which is compatible with playback of various music files, including high-resolution sound sources. The disc drive part uses the same mechanism as the higher-level model DCD-SX11. It is a player with smooth and delicate depictions, thick sound images typical of Denon, and a clear and clear sense of SN. There is a line scratch on the top plate on the exterior (Mizusaki Ryo)
Maintenance information: 2026.5.13 operation confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: SACD player analog audio output terminal unbalanced output x 1 digital audio output terminal coaxial digital output x 1, optical digital output x 1 other IR control input/output x 1 W434 x H138 x D335 mm 13.7 kg
A mid-range premain amplifier using UHC-MOS. Compared to the previous model PMA-1500AE, which had a flat sound, the sense of resolution and sound image localization have been improved. The high signal-to-noise level, which is compatible with the latest sound sources, shines. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2026.5.11 Operation confirmed
Accessories: remote control, instruction manual, power cable
Main specifications: output 70W+70W (8Ω) PHONO (MM/ MC) built-in frequency characteristics 5Hz to 100kHz W434 x H135 x D414 mm 16.1 kg
A model with excellent cost performance compatible with SACD. It also has a USB input on the front, and is compatible with WMA and MP3 playback, making it easy to use. It is equipped with a number of features that are included in higher-level models, and you can listen to clear sound with good extension in the high range. There is a small scratch on the back of the top plate on the exterior (Ryo Mizusaki)
Maintenance information: 2026.5.13 operation confirmed
Accessories: remote control, power cable, copy of instruction manual, original box
Main specifications: SACD/CD 192 kHz/32 bit USB terminal equipped W434 x H135 x D331 mm 8.0 kg
*The TW dome is inexpensive because it is in poor condition, such as dents on both sides and abrasions on the entire bottom of one side. Although it is a B&W entry model, this model has been a long-time seller due to its high cost performance. It plays a wide variety of music genres with an advanced sense of transparency in the mid to high frequencies and a good sound with plenty of sound. In addition to the exterior, as described above, the color of the left and right enclosures is slightly different, and a feeling of use can be seen such as stains on the saran net, dullness, scratches, and abrasions on the main body (Kobayashi Hitoshi)
Maintenance information: 2026.5.11 Operation confirmed
Accessories: saran net, jumper plate, bass reflex sponge (center missing)
Main specifications: 2 way 2 speaker bass reflex type 8 ohm output sound pressure level 84 dB W165 x H280 x D276 mm 6.7 kg
This is Signet MC boost transformer MK10T. This is an overseas model of Audio-Technica's MC boost transformer AT-630. Although compact, it is a high-performance model that reduces induction noise with a triple permalloy shield and eliminates signal deterioration due to input impedance switching, and is compatible with the company's AT32 series and AT33 series. The exterior is dull, there is slight corrosion, etc. (Ryo Mizusaki)
Maintenance information: 2026.5.13 sound output confirmed
Accessories: none
Main specifications: input impedance 18 ohms load impedance 47 kΩ frequency characteristics 15 to 100,000 Hz weight 230 g
Currently sold. Yamaha pre-main amplifier with PHONO. It is a well-balanced sound quality that inherits traditional YAMAHA tones, which are spacious and have a high sense of SN. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.5.11 Operation confirmed
Accessories: remote control
Main specifications: 100W+100W (6Ω) W435 x H151 x D390 mm 9.1 kg
※Inexpensive because it is in poor condition. Currently sold. Denon's premium space-saving speakers. You can also play low frequencies well for pipe organs, bass, etc. The high frequencies were also transparent and played classical, POPS, and jazz well. Since it is a large speaker terminal, it is compatible with thick cables. Appearance, fading, peeling veneer, dullness, scuffs, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2026.5.10 Operation confirmed
Accessories: saran net, jumper
Main specifications: 4 units equipped with 3-way speakers, output sound pressure level 89db, impedance 6Ω, allowable input, 200W, playback frequency band, 33Hz to 120kHz, W190 x H332 x D293 mm, 7.2 kg
Currently sold. YAMAHA center speaker It's slim, doesn't take up much space, and the sound quality is slim and soft with good sound loss. In addition to the exterior and plastic chips around the magnet on the back of the saran net, you can see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.5.11 Operation confirmed
Accessories: saran net
Main specifications: W440 × H94 × D133 mm 2.8 kg
LUXMAN's classic line selector. It is an easy-to-use and convenient model that outputs from 1 input system to 4 systems, and conversely, outputs from 4 input systems to 1 system. The exterior is in good condition with no noticeable scratches (Mizusaki Ryo)
Maintenance information: 2026.5.13 sound output confirmed
Accessories: none
Main specifications: 1 input system, 4 output systems, W160 x H65 x D95 mm, 530 g
A standard cable with natural, unobtrusional sound quality using a 1.0m pair of 6N+5NCU hybrid 4-core shielded collet chuck pin plugs. It is suitable for classical music and vocals. The exterior has a feeling of use such as dullness (Tomoho Asaine)
Maintenance information: 2026.5.13 continuity confirmed
Accessories: none
Everything from the exterior to the attenuator has been maintained! Cork baffle model sterling An attractive pair with a small size but a relaxed sound with a sense of scale, and a heavy design reminiscent of furniture made with plenty of walnut wood. The sound of classical stringed instruments sounds beautiful, and wind instruments don't sound too exciting, so you can relax and soak in the music. Serial 345386, 345400 (Fujisawa Yukishi)
Maintenance information: 2026.5.12 maintained (exterior repair/polishing/oil finish, rear baffle cleaning/repair, saran net cleaning/reinstallation, unit gasket reattachment, ATT contact cleaning, terminal cleaning)
Accessories: saran net, keys, stand, jumper pins
Main specifications: 25cm coaxial 2-way unit frequency characteristics 35 Hz to 25 kHz output sound pressure level 93 dB impedance 8 ohms main unit W486 x H700 x D310 mm weight 22 kg
Manufacturer maintenance has been completed, including the creation of a new dust cover and the replacement of a new output cable. Comes with a shell and SHURE M44G, so you can enjoy records right away. A semi-auto record player equipped with an auto lift-up function. It is an attractive product with a calm design and stable operation. I'm also happy that it's lightweight and easy to handle. The veneer is peeling off (Sasaki Shota)
Maintenance information: 2026.3.19 manufacturer maintenance completed (SW installation reworked, transistors with rusted legs, neon tube lighting capacitors, power capacitors, capacitors around head amplifiers, ICs, and output cords replaced. Other parts inspection, operation sound test) Create a new dust cover
Accessories: M44G manual copy
Main specifications: Servo-type direct drive, static balance type compatible cartridge, dead weight 5 to 11 g, variable needle pressure range 0 to 2.5 g/1 rotation (0.1 g on 1 scale), W493 x H163 x D402 mm, 11.5 kg
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
The price has been reduced! 2026/4/25 sales price within 398,000 yen and outside maintenance has been applied and brushed up! JBL 40th anniversary model! A reprint model of the L101. You can enjoy the excellent sound unique to horn drivers. It has a good response and is a spacious speaker that can be matched with music of a wide range of ages. The traditional lattice net design is also attractive. Serial 10371/10398 (Tomonori Asae)
Maintenance information: 2026.4.25 maintained (exterior repair/polishing/oil finishing/marble polishing, baffle/hakama repair/painting, sliding stud replacement, woofer maintenance (cone paper coating, edge replacement) driver maintenance (magnetic circuit rust removal/gap cleaning/center adjustment, terminal cleaning, screw replacement) network maintenance (frequency characteristic check, ATT cleaning, terminal replacement, Terminal cleaning) Detaching the unit)
Accessories: none
Main specifications: 2 way · 2 speakers · bass reflex system · floor type frequency characteristics 35 Hz to 16,000 Hz directional characteristics (horizontal x vertical) 90 degrees x 40 degrees sound pressure level 92 dB 8 ohms allowable input 150 W crossover frequency 900 Hz enclosure volume 53.5 L W445 x H629 x D320 mm 29.1 kg/book
Comes with original box! A very convenient wireless music streamer to have at home. As a Roon Ready compatible device, it is also compatible with full MQA decoding, making it easy and inexpensive, and has excellent sound quality and cost performance. It is also equipped with a digital output, and it is also attractive that it can be developed by connecting to an external DAC. The exterior is dull. Serial K9zn2iJpnb37651 (Yonejima Satoshi)
Maintenance information: 2026.3.24 Operation confirmed
Accessories: instruction manual, power cable, connection cable, original box
Main specifications: Compatible formats FLAC, MQA, WAV, AIFF, MP3, AAC, OGG, WMA-L, ALAC, OPUS compatible sampling frequency 32-192 kHz compatible bits 16-24 bits SNR 110 dBA compatible cloud services (Spotify, Amazon Music, TIDAL, Deezer, Qobuz, Murphy, Napster, KKBox, Bugs, Taihe Music Zone, SoundMachine) W220 x H46 x D146 mm 1.12 kg
Maintenance completed in February 2025. A high output power amplifier representative of the Lux Kit. As with the original, the output tube was replaced with a GE 6550A, and the sound that combines both tasteful luster and strength is attractive. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.2.21 maintenance completed (all 4 output tubes 6550A replaced, 6AQ8 replaced, 2 RCA jacks replaced for deterioration, simple external and internal cleaning, re-soldering treatment at several parts of the board, vacuum tube socket caulking repair, and other measured output 50W (8Ω) measured with AC100V)
Accessories: none
Main specifications: mulard type drive circuit adopted 50W+50W W465×H168×D206mm 17kg
It is a system equipped with an Audio-Technica AT-1503/3 in a Victor TT-81 phono motor and CL-P1D genuine cabinet. The model was developed by inheriting the technology of Victor's leading phono motor TT-101, and the AT-1503/3 is equipped, so you can fully enjoy the stable analog sound of yesteryear. Many people are still using it, and it satisfies both driving power and stability at a high level. The exterior has threads, etc., but it is beautiful for its age. Serial 14103382 (Yonejima Satoshi)
Maintenance information: 2023.11.16 Maintained (transistor replaced due to transistor corrosion deterioration. The electric field capacitor was replaced due to deterioration. Check each rotation operation)
Accessories: No accessories
Main specifications: [AT-1503/3] Static balance type execution length 257 mm compatible cartridge 13.5 to 33 g (including shell) needle pressure range 0 to 3 g quartz lock DC servo direct drive W510 x H195 x D410 mm weight 16.5 kg (actual measurement)
The price has been reduced! 2026/5/11 sales price 1,200,000 yen Maintained by the manufacturer in 2025! It's a crossbow preamp that follows the Cello ENCORE 1MΩ flow. The sound is innocent yet supple and nostalgic. It is a valuable car where you can experience the awesomeness of the infinitely neutral and transparent sound that VIOLA promotes without any coloring. *Gaps between VOL-30 and -20 remain, but the supply of repair parts has been discontinued, so this is the current situation. Serial 0266 (Fujisawa Yukishi)
Maintenance information: 2025.10.9 manufacturer maintained (attenuator readjusted. (There is still a gap between -30 and -20, but the supply of repair parts has been discontinued, so this is the current situation.) 2025.5.14 Manufacturer maintenance completed (volume contact cleaning, contact misalignment, contact float correction at specific contacts, shaft rotation misalignment VOL. Position correction)
Accessories: instruction manual, power cord, connection cord
Main specifications: fixed resistance switching type analog amplifier circuit module equipped with 4 output systems (XLR x 2, Fischer x 1, RCA x 1), 6 input systems (XLR x 1, Fischer x 1, RCA x 4) TAPE OUT (RCA x 1) main body W445 x H110 x D430 mm 9 kg power supply unit W225 x H110 x D400 mm 7.6 kg
The disposal price has been reduced. Member discounts are not applicable. 2026/4/22 sales price 598,000 yen It is a model that has become a hot topic because it is equipped with a UNI Q (Unicew) driver that Kef is proud of, and is capable of playing back with a perfect point sound source. You can enjoy sound with extremely high phase characteristics. On the exterior, the TW/MID saran net dowels are broken in a total of 3 places on the left and right, and dullness and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2026.4.19 Operation confirmed
Accessories: saran net, jumper cable (general purpose) spike
Main specifications: crossover frequency 400 Hz, 2.3 kHz 90 db frequency characteristics 45 Hz to 60 kHz W285 x D433 x H1105 mm 33 kg
The price has been drastically reduced. 2026/5/9 sales price 448,000 yen Fully maintained, including replacement of deteriorated capacitors, resistors, etc. The 220V specification (with 100V to 220V step-up transformer) 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. 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 price has been drastically reduced. 2026/4/22 sales price 178,000 yen Switches have been disassembled, cleaned, 17 capacitors replaced, and maintained! This is a Lax thin tube preamp. Although it is a CL34 kit model, it is one where you can feel the good feel unique to vacuum tubes in a relatively clean sound. The exterior is dull, has threads, etc. (Ryo Mizusaki)
Maintenance Information: 2026.3.16 Maintained (1) Detachable Disassembly Contact Cleaning (Selector, Monitor, Dubbing, ToneControl, Defeat, Filter, Attenuate, BalanceVR, MainVR) 2) Deteriorated Electrolytic Capacitor Replacement (x17) 3) Volume Detachment Disassembly Contact Cleaning 4) MUT Relay Replacement, Relay Drive TR Damaged Replacement for, panel lamp replacement with LED x 35) replacement due to servo IC failure 6) vacuum tube foot pin cleaning and operation inspection, fuse replacement, Phono plate resistor replacement 7) Other internal board cleaning procedures, sound output test good)
Accessories: none
Main specifications: used vacuum tube 12AX7 × 4 12AU7 × 4 W438 × H77 × D332 mm 6.4 kg