The disposal price has been reduced. Member discounts are not applicable. 2025/11/24 sales price 598,000 yen 2023/1, both exterior and unit have been maintained. The bottom finish is different on the left and right. Mount the 604C green unit to the Altec Consumer No. 1 corner type enclosure! It's a pretty sensible sound that feels like ICONIC! I feel that the balance between the volume and shape of the unit and enclosure, and how to cut the bass reflex is perfect. It's unclear where the enclosure is from, but the finish makes me feel that the hearing test was repeated after actually setting the 604C. In addition to the exterior, peeling of the veneer on one side of the bottom, small scratches, chips, paint deterioration, and lots of cracks on the sides, etc., dullness and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2025.11.23 Operation confirmed 2023.1.6 maintenance (exterior cleaning, repair of peeling part on one side of the bottom. Unit high frequency magnetic circuit gap cleaning center adjustment, single-sided woofer edge crack repair.)
Accessories: none
Main specifications: [604C] 15 inch coaxial 2 way 16 ohm frequency band 30-22000 Hz [N1600A] crossover frequency 1600 Hz W910 x H933 x D614 mm
The price has been drastically reduced. 2025/11/30 sales price 29,800 yen. *Only 1 bottle is currently sold. Although it is an affordable 30 cm woofer, you can enjoy the profound sound unique to Alnico. The frequency characteristics are as wide as 30 to 4000 Hz, and can be used in both 2 and 3 ways. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.23 Operation confirmed
Accessories: none
Main specifications: Alnico 30 cm impedance 8 ohms 30 to 4000 Hz 99 dB W311 x D143 mm 6.8 kg
※1 bottle only. It is cheap because there are parts that have collapsed and become brittle in the exterior. There are few Altec 1.5 inch mantalay horns in stock. There are some cracks and collapses on the exterior. Serial 1014 (Tamura Eiji)
Accessories: none
Main specifications: recommended crossover frequency 500 Hz directivity: horizontal 40° vertical 20° throttle diameter 3.56 cm W532 x H367 x D736 mm weight 6.0 kg
This is an Altec 1.5 inch horn such as 288. It's a sound with vertical momentum, and although it's not a wide range, the energetic sound is exquisite. There are scratches on the exterior. Serial 3268/3657 (Tamura Eiji)
Accessories: none
Main Specifications: Mantaray Horn Polyester Fiberglass Recommended Crossover 500 Hz Compatible Units: 288 · 291 Series W324 × H327 × D317 mm 1.6 kg
※1 bottle only. Front load enclosure familiar from A7 etc. What about the mono group? The exterior has several holes for peeling paint and fixing to the top plate. (TAMURA Eiji)
Accessories: none
Main specifications: bass reflex type W755 x H1062 x D610 mm, weight approx. 55 kg
※1 bottle only. A ferrite woofer that was assembled with the late ALTEC A5 and A7. The dry, tense mids and bass unique to ALTEC are attractive. There are dirt and threads on the exterior. (YONEJIMA Satoshi)
Maintenance information: 2025.12.18 sweep check OK
Accessories: none
Main specifications: 38cm woofer, ferrite magnet, 8 ohms, 104.7 dB, frequency characteristics, 50 to 4,000 Hz, aluminum ribbon, edgewise, rolled voice coil, 13.6 kg
Altec 1.5" ferrite driver. A clear and powerful American sound. The wide-area characteristics unique to Altech resonate comfortably while being rounded and stretched quickly. Both diaphragms have a logo. The exterior is scratched, dull, and has a feeling of use. Serial 31200107 (Yonejima Satoshi)
Maintenance information: 2025.12.18 sweep check is good
Accessories: No accessories
Main specifications: 1.5 inch coaxial unit, 8 ohms, playback frequency band, 500 to 15,000 Hz, maximum input, 100 W, 13.8 kg
Altec 1.5" ferrite driver. A clear and powerful American sound. The wide-area characteristics unique to Altech resonate comfortably while being rounded and stretched quickly. Both diaphragms have a logo. The exterior is scratched and dull, and there is a feeling of use (Yonejima Satoshi)
Maintenance information: 2025.12.18 sweep check good
Accessories: No accessories
Main specifications: 1.5 inch coaxial unit, 8 ohms, playback frequency band, 500 to 15,000 Hz, maximum input, 100 W, 13.8 kg
※1 bottle only. The network used by Altec's A7. How about as a sub or for repairs? (TAMURA Eiji)
Maintenance information: 2025.12.18 sound output confirmed
Accessories: none
Main specifications: cross 500Hz W190 × H110 × D160 mm
※1 bottle only. It does not spread like a large horn, but it is characterized by a mid to high range that stretches up without stress. This unit is powerful, has good response, and has a gorgeous sound in the mid to high range. On the exterior, there is dullness on the corn paper (Yonejima Satoshi)
Maintenance information: 2025.12.18 sweep check is good
Accessories: No accessories
Key Specifications: Coaxial 2 Way 12 inch Ferrite Magnet 8 Ohm Crossover 1500 Hz Efficiency 98.5 dB 11.2 kg
The price has been reduced. 2025/12/15 sales price 118,000 yen The maintenance has been completed, but both have a slight trance roar, so they are cheap. A rare 100V specification. DYNACO's tubular mono power amplifiers are highly popular. The sleek, straight, and energetic sound that comes out of the small body is attractive. Combinations with Altech and JBL are a staple, and they make jazz and rock sounds powerful and full of realism. *This time, the 100V specification is for this time, so please do not use it at 117V, etc. (Sasaki Shota)
Maintenance information: 2025.12.15 Maintained (replace 20 deteriorated resistors, replace 2 electromagnetic capacitors in the Bayas circuit, replace 4 GE 6550 with selected products)
Accessories: copy of instruction manual
Main specifications: tubular mono power amplifier using vacuum tube 6550/5AR4/6AN8A output 60W W229 × H190 × D229 mm 11.5 kg
The price has been reduced. 2025/12/14 sales price 99,800 yen Cast iron sectional horn used in the famous ALTEC A5 system. This is the 60 degree aperture version of the 311-90 horn. It features a firm, thick sound with few cries. Serial number (030981/030982) You can see the exterior, paint peeling, dullness, scuffs, etc. (Kobayashi Hitoshi)
Accessories: none
Main Specifications: Sectoral Horn Orientation Characteristics: Horizontal 60 Degrees, Vertical 40 Degrees Crossover Frequency 300 Hz or Higher Compatible Driver Units: 288C, 288D, 290E, 291-16A W510 x H267 x D535 mm Weight 8.9 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/10/19 sales price 448,000 yen Maintenance has been completed, from exterior repairs to units, networks, etc. This is an ALTEC620B type raft enclosure. The strong, loud and dry American sound is attractive. You can enjoy a slightly milder tone than the 604-8G. The exterior leaves a faint mark on the top plate (Kobayashi Hitoshi)
Maintenance information: 2025.10.19 maintenance completed (exterior repair/polishing/oil finish, rear baffle repair/painting, saran net replacement/frame repair, unit maintenance: low frequency side viscoid sagging removal, high frequency side magnetic circuit rust removal/gap cleaning/center adjustment, terminal cleaning network maintenance: frequency characteristic check/switching SW/ATT cleaning, new wiring unit detachment/terminal replacement)
Accessories: saran net
Main specifications: Alnico magnet crossover 1,200Hz with coaxial 2-way unit 604-8H W660 × H1200 × D457 mm 85.1 kg (actual measurement)
The disposal price has been reduced. Member discounts are not applicable. 2025/11/19 sales price 398,000 yen Everything from the unit to the network and exterior has been maintained. It is a 612C type with the 604-8H mounted in a well-built enclosure even though the details are unknown. The thick, unsluggish tone centered around the middle range is perfect for vocals. Since localization is also firmly determined, it is a practical and easy-to-use speaker (Kobayashi Hitoshi)
Maintenance information: 2025.11.18 Maintained (unit maintenance: low frequency side viscoid drooping removal/terminal cleaning, high frequency side magnetic circuit rust removal/gap cleaning/center adjustment/terminal cleaning network maintenance: frequency characteristic check/switching SW/ATT cleaning/faston terminal replacement/new wiring) 2010.7.4 maintenance (exterior cleaning)
Accessories: saran net
Main specifications: coaxial 2-way speaker unit 38cm coaxial impedance 8Ω 104dB crossover frequency 1.5kHz dimensions W648 × H750 × D510 mm weight 54.5 kg
A vintage Altec driver from the 1950's. While it has a very strong sense of energy, it is also uniquely easy to hear. If you have an Altec system from Yonematsu's early days, please take this opportunity! You can see a feeling of use such as exterior, paint peeling, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.14 Maintained (the phosphor bronze plate on the outer drawer part was broken from the root → additional lead wires were soldered and connected. Distortion was confirmed in the sound output, so repair, stop the coil noise, and adjust centering)
Accessories: none
Main specifications: frequency characteristics 500 Hz to 12,000 Hz impedance 24 ohms sensitivity 115.2 dB allowable input 40 W recommended network N-500-C recommended crossover 500 Hz recommended horn H150/H804/1005B W165 D142 mm weight 9 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/10/18 sales price 79,800 yen It is cheap because the cone has viscoid drips on one side. Altech's classic woofer. Although it is ferrite, it produces bright bass with good emission. It's a sound method that puts emphasis on mid and low tones, so you can hear vocal breath well. Dullness, scratches, etc. can be seen on the exterior (Kobayashi Hitoshi)
Maintenance information: 2025.10.15 Operation confirmed
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/7/15 sales price 20,000 yen. This is an ALTEC 1.5 inch horn, such as 288. It's a sound with vertical momentum, and although it's not a wide range, the energetic sound is exquisite. In addition to additional holes being drilled in the exterior and throat, there is no manufacturer's seal, and a feeling of use can be seen (Kobayashi Hitoshi)
Accessories: none
Main Specifications: Mantaray Horn Polyester Fiberglass Recommended Crossover 500 Hz Compatible Units: 288 · 291 Series W324 × H327 × D317 mm 1.6 kg
The price has been reduced. 2025/10/6 selling price 99,800 yen Altech's classic woofer. Although it is ferrite, it produces bright bass with good discharge. It's a sound method that puts emphasis on mid and low tones, so I can hear vocal breath well (Sasaki Shota)
Maintenance information: 2025.10.6 sweep test is good
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
The price has been reduced. 2025/11/25 sales price 39,800 yen ※1 bottle only. Altech's classic woofer. Although it is ferrite, it produces bright bass with good emission. It's a sound method that puts emphasis on mid and low tones, so you can hear vocal breath well. There is dirt on the edge (Oikawa Tetsuji)
Maintenance information: 2025.10.9 operation confirmed
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
The price has been drastically reduced. 2025/10/9 sales price 39,800 yen ※1 bottle only. Altech's classic woofer. Although it is ferrite, it produces bright bass with good emission. It's a sound method that puts emphasis on mid and low tones, so I can hear vocal breath well (Oikawa Tetsuji)
Maintenance information: 2025.10.9 operation confirmed
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
The price has been reduced. 2025/10/6 sales price 79,800 yen It is cheap because the viscoid hangs conspicuously on one side. Altech's classic woofer. Although it is ferrite, it produces bright bass with good emission. It's a sound method that puts emphasis on mid and low tones, so I can hear vocal breath well (Sasaki Shota)
Maintenance information: 2025.10.6 sweep test is good
Accessories: none
Main specifications: 38cm woofer, 16 ohm, ferrite frequency band, 20 to 1000 Hz, 101 dB, recommended crossover, 500 Hz, baffle opening, 359 mm, baffle opening, 359 mm, rim outer diameter, φ408 x D162 mm, screw pitch: 380 mm, 10 kg
Disposal price reduction. Member prices are not applicable. 2025/10/18 selling price 5,000 yen Lightweight horn with unknown details. 1 bottle only The Altech 299-8A was attached. There is a feeling of use over time (Sasaki Shota)
Accessories: none
Main specifications: aperture 270 mm, front screw pitch 420 mm, throat screw pitch 70 mm, weight 1.7 kg (actual measurement)
Maintained! This network is used for A5, A7, etc. Unlike channel dividers, it is easy to handle, and the sound is familiar to the ear. The exterior is dull over time and has small scratches (Kobayashi Hitoshi)
Maintenance information: 2025.3.8 maintained (capacitor replaced) 2024.11.13 maintained (back case, terminal mounting cleaning board, replacement attenuator VR disassembly and cleaning for modified products)
Accessories: none
Main specifications: crossover 500 Hz 8 ohms W123 x H140 x D132 mm 1.6 kg
The price has been reduced. 2025/10/5 sales price 39,800 yen Coral 1 inch horn. It weighs a lot more than the JBL and Altec models of the same shape and comes straight ahead. A crackling and dead sound. A JBL 1-inch driver can also be attached. It's deadlocked. There are a lot of scratches overall (Sasaki Shota)
Accessories: none
Main Specifications: Sectoral Horn Directivity: Horizontal 90° Vertical 40° Cutoff Frequency 250Hz Throat Diameter 2.54 cm W750 x H180 x D580 cm 15 kg
The price has been reduced. 2025/10/6 sales price 39,800 yen Coral 1 inch horn. It weighs a lot more than the JBL and ALTEC models of the same shape and comes straight ahead. A crackling and dead sound. A JBL 1-inch driver can also be attached. It's deadlocked. There are a lot of scratches overall (Sasaki Shota)
Accessories: none
Main Specifications: Sectoral Horn Directivity: Horizontal 90° Vertical 40° Cutoff Frequency 250Hz Throat Diameter 2.54 cm W750 x H180 x D580 cm 15 kg
Can be attached to a mantalay horn 902-8B/902-16B/908-8B for 1" screwdrivers, etc. There is dullness and small scars (Oikawa Tetsuji)
Accessories: none
Main specifications: recommended crossover 2 kHz cutoff 1250 Hz throat diameter 2.54 cm W367 × H182 × D114 mm 0.33 kg
2-way network The bass is also extruded well, and the high frequency adjustment range can be taken widely with 2 types of HF/MF attenuators, so it is a model that is easy to match the desired sound quality. You can see the exterior, dullness, rust, corrosion, scratches, etc. and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2011.10.7 maintained (network circuit capacitor replacement (using JENTZEN CROSS-CAP film capacitors) attenuator inspection, characteristic check)
Accessories: none
Main specifications: Crossover frequency 1.2 kHz impedance 8 ohms level control is continuously variable in the middle range up to -8 dB at 2 kHz, high range continuously variable up to -6 dB at 10 kHz W114 x H190 x D228 mm 1.8 kg
The price has been reduced. 2025/8/10 sales price 34,800 yen ※1 bottle only. It is a popular woofer that allows you to truly enjoy the real thrill of ALTEC sound, with its strong push and overhanging sense of energy. There is a scraped part on corn paper (Oikawa Tetsuji)
Maintenance information: 2025.4.7 operation confirmed
Accessories: none
Main specifications: 38 cm, ferrite impedance, 16 ohms, allowable input, 75 W, output sound pressure level, 104.7 dB, playback frequency band, 50 to 4 kHz, diameter 406 x depth 162 mm, weight 13.6 kg/book
※Shipping service. Special Feature = Listening and Comparing 300B Current Vacuum Tubes/Sound Altec Coaxial 409B/ Audition of 19 New High Value Amplifiers/Listen to UK DECCA, EMI, and LEAK Cartridges/Build a WE310A Line Preamp Kit/My Handicraft = Stereo Signal Divider TAD1 (Production ◎ Uesugi Yoshiro), Phono Equalizer Amplifier KSE37 (Production ◎ Koreeda Shigeharu), 300B Single Stereo Power Amplifier (Produced by Yoshio Nasu) /Published 2005.8.28. Since the photograph is a sample, the actual item may be broken or have markings etc.