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- description
- Air-tight KT88 push-pull The modern sound, which combines the soft texture unique to vacuum tubes and the high resolution, is attractive. There are 2 inputs at the front and rear, and the front input can be directly connected to the first stage tube without going through a shielded wire. The front panel is equipped with a meter that can check the optimal operating point of the output tube. There are many scratches on the bottom plate, and there are paint chips, threads, and bumps on the transformer (Oikawa Tetsuji) Maintenance information: 2024.4.22 operation confirmed Main specifications: used vacuum tube KT88 x 4, ECC83 x 2, 5814A x 2, 12BH7A x 2, 12BH7A x 2, 80W+80W 8Ω, W415 x H223 x D380 mm, 32 kg
Manufacture:McIntosh
Price: JPY 543,636(pair)Sold Out
- description
- Maintained! A tubular mono power amplifier that makes you hear a profound, Macintosh sound. The highly transparent sound was restored through an overhaul. You can enjoy the relaxed and calm sound unique to vintage McKinn. This is a power amplifier I would like to try combining songs from yesteryear when I want to enjoy them with speakers from yesteryear. There is a feeling of use such as dullness, rust, and abrasions (Takasaki Atsushi) Maintenance information: 2024.3.4 maintenance (volume disassembly cleaning repair, vacuum tube 6550 replacement, vacuum tube socket and RCA jack re-caulking repair. No. 6595 side vacuum tube 12AU7, vacuum tube 5U4GB replacement, fuse holder retightening repair. Operation checked (measured at 48 to 66 W SP: 8 ohms with rated output AC 100 to 117 V) 2022.11.23 operation confirmed. 2021.9.5 maintained (block capacitor 35/80/15 μF replacement x 2, oil capacitor 0.22 μF replacement x 2, vacuum tube 12AX7 replacement 1 x 2, AC cord replacement 1 x 2, vacuum tube socket and RCA jack caulk repair No. 6878 electrolytic capacitor 8 μF other replacement, HUM replacement, 1/2 W resistor replacement No. 6595 vacuum tube 6550 replacement, vacuum tube 5U4GB replacement, resistor 2W exchange. Other operation checked (rated output AC 100 to 117 V)) Accessories: none Main specifications: 60W load 4Ω/8Ω/16Ω frequency characteristics 20 to 30,000 Hz W356 × H203 × D254 mm 20.7 kg
- description
- The disposal price has been reduced! (Member prices are not applicable) 2024/2/12 sales price 158,000 yen Manufacturer maintained! Mono power amplifier using Triode KT88. Coupled with the strength of the KT88, it makes me feel a sense of scale beyond imagination. Although it is a vacuum tube amplifier, it is also strong in digital sound, and it is also attractive that it is compatible with balance. Please enjoy it with the vacuum tube pri. There are small scratches ※ Please note that the balance was the 3rd hottest specification at the time (Oikawa Tetsuji) Maintenance information: 2024.2.10 Triode maintenance completed (volume installation increased and tightened, speaker terminal repaired. 12AU7 was attached to the 12AX7 vacuum tube and I replaced it. (Inspection of each part, bias adjustment, operation test) Accessories: power cable, original box Main specifications: maximum output 60 W using vacuum tubes KT88 x 2, 12AX7, 12AU7 W176 x H200 x D440 mm, approx. 10 kg
- description
- Beautiful item! An air tight tubular mono amplifier that drives 211 triode tubes that are not often seen in amplifiers in recent years with a single drive. The sound image is large, the middle and high frequencies are easily removed, and the expressive power of the low frequencies makes a bottoming sound. I feel the spirit of Air Tight when they use 211 as the output tube. There are a few small scratches on the exterior, but it is generally beautiful. Serial 27371 27372 (Asaina Tomonori) Maintenance information: 2023.12.12 operation confirmed Accessories: Power cord (general purpose) Main Specifications: 211 Single Amp All Triode Configuration 22W Mono Vacuum Tube AIR TIGHT/211 x 1 each 12BH7 x 1 each 12AX7 x 1 each 12AX7 x 1 each W390xD360xH260 mm 26 kg
Manufacture:McIntosh
Price: JPY 452,727 Sold Out
- description
- Refreshment maintenance has been completed where deteriorated parts such as block capacitors and 6L6GC replacements have been replaced! A famous Mackin tube stereo power amplifier. Compared to the MC275, the sound is tight, well-balanced, and can be enjoyed in a variety of music genres. Still, the appeal is that it makes you feel the Mckin' sound clearly. There is plating peeling, corrosion, lettering, and paint peeling (Murakoshi Yoichi) Maintenance information: 2023.6.5 maintenance (block capacitor 100μF, etc., diode, 6L6GC, SP terminal, resistors 1W and 1/2W, resistors 2W and 1/2W, thermistor replacement and addition. Bonnet lock screw replacement. Vacuum tube socket and RCA jack cab repair. Other operations have been checked (measured at 36 to 50 W SP: 8 ohms with rated output AC100 to 117 V) *Since the TWIN INPUT volume has been replaced with a CTS product by another company, there will be a GAIN difference with STEREO INPUT at 12 o'clock.) 2011.9 Maintenance completed (replacement of each coupling capacitor, plate current inspection, aging, operation test OK) Maintained in 2011/10 (each condenser inspection, replacement, black beauty oil condenser, resistance value inspection, volum sound leak replacement, sliding surface cleaning, selector switch, contact cleaning, low frequency oscillating NFB amount adjustment, RCA pin jack cleaning, cleaning for internal dirt, cleaning for internal dirt, 1 kHz 45.12 w noise 0.6 mVLR) Accessories: none Main specifications: 40W+40W 6L6GCPP vacuum tube 6L6GC × 4, 12AX7 × 3, 12AU7 × 2, 12BH7 × 2, frequency characteristics 16 to 40,000 Hz W400 × D265 × H195 mm approx. 25 kg
- description
- WE300 specification! ATM-300 is the most popular among air tights. It is equipped with a Tamura output transformer and has a luxurious construction using a copper plate on the bottom. The clear sound of the violin and the power to make a large speaker sound in a dignified manner are impressive. The gain will also increase enough, so I think it's okay to bring out the full appeal of 300B by connecting directly to the CD. There are no major noticeable scratches on the exterior (Tetsuji Oikawa) Maintenance information: 2022.11.23 operation confirmed Accessories: power cable Main specifications: Output 8W+8W (8Ω) vacuum tube 300B x 2 (Western Electric, serial 224466/224520), 12BH x 2, 12AU7 x 2, 5U4G x 1 damping factor, 3 levels adjustable input RCA1 system, W430 x H275 x D245 mm, weight 24 kg
- description
- Maintained! The first Air Tight power amplifier. A versatile unit with the potential to make a leisurely sound, from floor-type to bookshelves. It stands up well, and the tight tone with high transparency gives you an exhilarating feeling in a good sense that makes you forget about tube amplifiers (Sasaki Shota) Maintenance information: 2022.11.6 Maintained (left channel output tube and first stage vacuum tube replacement. Input ATT exchange. Replace broken screws. Electrolytic capacitor position misalignment correction. Input switch cleaning. Vacuum tube pin cleaning. DC balance and bias adjustment output sound check (output approx. 40W), interior and exterior were cleaned) Accessories: nothing Main Specifications: 36W+36W (8Ω) EL34/6CA7PP Frequency Characteristics 20Hz to 20kHz Load Impedance 4ω/8Ω W368 × D231 × H293 mm 22kg
- description
- Maintained Air tight KT88 push pull The modern tone, which combines the soft texture and high resolution unique to vacuum tubes, is attractive. There are 2 front and rear inputs, and the front input can be directly connected to the first stage tube without going through a shielded wire. The front panel is equipped with a meter that can check the optimum operating point of the output tube (Itsuro Mizushima) Maintenance information: 2022.10.13 maintenance completed (input volume double channel replacement, switch cleaning, phase reverse stage vacuum tube replacement, vacuum tube pin cleaning, bias adjustment, each input and rated output check, inside (Exterior cleaning) Accessories: none Main specifications: vacuum tube KT88 × 4, ECC83 × 2, 5814A × 2, 12BH7A × 2, 12BH7A × 2 80W+80W 8Ω W415 × H223 × D380 mm 32 kg
- description
- Maintained! A bit different from classic vacuum tube amplifiers, it is attractive because it has a sense of dynamism and stretches and repeatability. Realize system construction up a notch with the thick sound of the 6L6GC push-pull beam tube. There is a small scratch on the top plate (Katsutsugu Hiura) Maintenance information: 2022.10.8 maintained (rotary switch replacement, knob looseness correction, screw hole deformation correction, vacuum tube pin cleaning, bias and DC balance check, rated output check, (STEREO/MONO operation check, interior and exterior cleaning.) Accessories: instruction manual, power cable Main specifications: 24W+24W (8Ω) 48W (monaural 8Ω) input 2 systems 6L6GC × 4 12AT7 × 1 6FQ7 × 2 W380 × H205 × D340mm 23kg
- description
- The disposal price has been reduced! (Member discounts are not applicable) 2022/6/19 sales price 348,000 yen Maintenance completed. * 117V specification, but please use it at 100V. Kit model of Old Marantz's greatest masterpiece power amplifier 8B. Exquisite bandwidth balance and good omission sets it apart from common aged amplifiers. The information necessary for music is tightly woven into the narrow range, and the high freshness is also exceptional. There are small scratches on the exterior. Serial F010082 (Kimiya Miura) Maintenance Information: 2022.6.19 Maintained (Changed wiring from AC100V to AC117V. (Please use AC100V when using) 2022.6.7 maintained (SP terminal screws added. Replace fuse 2.5A SlowBlow → 3A SlowBlow Block capacitor 40/20/20/20μF defective replacement. BIAS meter readjustment Repair vacuum tube sockets and RCA jack caulking * Other operation checked at AC100V (rated output 45W SP: measured at 8Ω) * Since the current at the time of power supply flows close to 5A in the model 8BK, the specified 2.5A to 3A slowblow It has been changed to. (There is no problem with performance) Accessories: bonnet Main specifications: 35W+35W 20Hz to 40kHz W348 × H191 × D273mm 22.5kg
- description
- The disposal price has been reduced. Member discounts are not applicable. 2022/6/11 sales price 348,000 yen Restoration product with deterioration block capacitor and electrolytic capacitor replaced. Kit model of Old Marantz's greatest masterpiece power amplifier 8B. Exquisite bandwidth balance and good omission sets it apart from common aged amplifiers. The information necessary for music is tightly woven into the narrow range, and the high freshness is also exceptional (Sasaki Shota) Maintenance Information: 2022.6.11 Maintained (· Resistance 3W combustion replacement · Block capacitor 40/40/20μF defective replacement · Block capacitor 60μF defective replacement · Electrolytic capacitor 20μF Addition: 2 electrolytic capacitors 20μF deterioration replacement, AC BAL. /BIAS readjustment · Vacuum tube socket and RCA jack caulking repair* Other operation checked at AC100V (rated output 41W SP: measured at 8Ω) Accessories: none Main specifications: 35W+35W 20Hz to 40kHz W348 × H191 × D273mm 22.5kg
- description
- The first Airtight power amplifier. A versatile unit with the potential to sound leisurely from floor type to bookshelf. It stands up well, and the firm tone with high clarity gives you an exhilarating feeling in a good way that makes you forget about tube amplifiers. Appearance has scratches, dirt, and a feeling of use (Hiura Katsutsugu) Maintenance information: 2022.3.16 operation confirmed Accessories: None Main specifications: 36W+36W (8Ω) EL34/6CA7PP Frequency characteristic 20Hz to 20kHz Load impedance 4Ω/8Ω W368 × D231 × H293mm 22kg
- description
- A 30th anniversary commemorative model of the Takatsuki TA-300B specification. A luxurious unit with a domestic 300B added to the output tube. Transformers are also newly adopted for this amplifier, and you can enjoy the true value of sound making of modern vacuum tube amplifiers, where the precision and clarity of the sound stand out. It is good without noticeable scratches (Sasaki Shota) Maintenance information: 2022.1.4 operation confirmed Accessories: Instructions Main specifications: 300B single TA-300B made by Takatsuki using 2 pieces 300B × 2/12AU7 × 2/12BH7 × 2/5U4GB × 1 Output 9W+9W Damping factor 7 Serial: 29071 W430 × H245 × D275mm Approx. 24kg
- description
- No bonnet KT88 Single Kit Amplifier The output is about 8W+8W, but it is a good sound quality with a certain skeleton. Both input and output are one system, with L/R independent input volume. There is some feeling of use (Hirotsugu Kondo) Maintenance information: 2021.10.8 Maintained (output vacuum tube, electrolytic capacitor, spark killer, fuse vacuum tube socket replacement. Gain VOL decomposition contact polishing, oxidation and sulfide prevention grease application. Input and output waveform confirmation, load test (1kHz sine wave, 8Ω load: 8W+8W, OK), sound output test) Accessories: instruction manual, power cord Main specifications: 8W+8W (8Ω) KT88 × 2 12AX7 × 2 W300 × D200 × H187mm 15kg
- description
- The most popular ATM-300 in airtight. Equipped with Tamura's output transformer and the bottom is a luxurious construction using copper plate. The clear sound of the violin and the powerful sound of the large speaker is impressive. I think that it is good to fully pull out the charm of 300B with direct CD connection because gain also goes up enough. Cereal 17238 (Hiroshi Kondo) Maintenance Information: 2021.5.16 Operation Check Accessories: Instruction manual and power cord Main Specifications: 8 W+8W (8Ω) Vacuum tube 300B × 2 (electroharmonics), 12BH × 2, 12AU7 × 2, 5U4G × 1 Damping Factor 3-stage adjustable input RCA1 W430 x H275 x D245mm Weight 24kg
- description
- An airtight tube sphere mono amplifier that drives 211 of a three-pole tube that has not been seen much in recent amplifiers in a single. The expressiveness of the low range, such as the sound image is large and the middle and high range is good, and the bottom sounds. I feel the spirit of airtight where you use 211 for the output tube. Cereal 28385/28686 (Takasaki Takasaki) Maintenance information: 2021.4.6 Maintenance (◎ 28385 side, electrolytic capacitor solder failure fixed reinforced repair ◎ 28386 side, electrolytic capacitor fixed strengthening repair ◎ common・BIAS and HUM BAL. Reconfiguration, Vacuum Tube Socket and RCA Jack Caulking Repair * Other parts check and operation checked including aging at AC100V* Both rated output CH 28W SP: 8Ω specification * Due to the structure of the circuit, a trace amount of induction ham will come out when the volume is moved. Please set it in the proper position and use. (See specifications)) Accessories: Description, power cord, original box, vacuum tube box Main Specifications: 211 Single Amplifier All 3 Pole Configuration 22W Mono Use Vacuum Tube PSVANE/211 x 1 each, Electro-Harmonix/12BH7 x 1 each, electro- Harmonix/12AX7 x 1 each W390xD360XH260mm 26kg
- description
- Unopened Brand New! (Opened for operation check) AIR TIGHT brand 30th anniversary model. A luxurious one that delicate 300B domestically produced on the output tube. Transformers are also newly adopted for this amplifier, and the precision and clarity of sound stand out. You can enjoy the true culmination of the sound making of modern tube amplifiers (Yosuke Kojima) Maintenance Information: 2021.3.7 Operation confirmed Accessories: Instruction manual, power cable, original box Main Specifications: 300B Single Takatsuki TA-300B x 2 uses 300B x 2/12AU7 × 2/12BH7 × 2/5U4GB × 1 Output 9W+9W Damping Factor 7 Serial: 29071 W430 × H245 × D275mm Approx. 24kg
- description
- Unopened Brand New! (Opened for operation check) AIR TIGHT brand 30th anniversary model. A luxurious one that delicate 300B domestically produced on the output tube. Transformers are also newly adopted for this amplifier, and the precision and clarity of sound stand out. You can enjoy the true culmination of the sound making of modern tube amplifiers (Yosuke Kojima) Maintenance Information: 2021.3.7 Operation confirmed Accessories: Instruction manual, power cable, original box Main Specifications: 300B Single Takatsuki TA-300B x 2 uses 300B x 2/12AU7 × 2/12BH7 × 2/5U4GB × 1 Output 9W+9W Damping Factor 7 Serial: 29070 W430 × H245 × D275mm Approx. 24kg
- description
- Clearance sale! (original price: 448,000JPY [tax inclusive price]) Fully maintained original Marantz 8. The sound is very flexible and the start-up is smooth. The bass is clear and tight which is rare to a tube amp. Its expressive soundstage and think sound can only be achieved with a vintage amp. *2015.9.11 - Maintenance completed (Replacement of 2 x Block.C60μF, 3 x Block.C40μF, 2 x EL.C20μF, and VTEL34, repair of RCA jack and VT socket crimp, and overall check) *We currently do not have service to change voltage of audio equipments.
- description
- Discounted (Previous price 378000yen). 20years anniverssory model. 6CA7/EL34 Push-pull. W368×H293×D231mm
- description
- Air Tight tube power amp. Function checked on Apr.19 2013. Maintenance completed on Jun.4 2012.
- description
- Stock sale. Previous price:Yen178,000. Air Tight tube power amp. 36W+36W, 8 ohm. EL34/6CA7pp. Maintenance completed on Jun.4 2012.
- description
- Air Tight tube power amp. introduced in 1994. Maker maintenance completed on May 31 2012. 24W+24W, 8 ohm.
- description
- Air Tight tube power amp. introduced in 1994. Maintemnance completed on Oct.5 2012. 6L6GCpp. Stereo:24W+24W(8ohms), MONO:48W. Tubes:6L6GCx4,12AT7x1,6FQ7x2.
- description
- Stock sale. Previous price:Yen178,000. Air Tight tube power amp. Maintenance completed on Oct.5 2011.
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Hi-Fi Do Record Shops Softs, Audio parts and Tubes can ship overseas.Ordinary,we use EMS but for large order,we use SAL or Surface.For Asia,it cost 1,200JPY/1LP,900JPY/1CD.Please check at the shipping cost table for more detail.
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