The price has been reduced. 2025/4/21 sales price 248,000 yen Maintenance was completed in January 2021. This is the first time it has arrived in about 5 years. Comes with a self-made wood cab. Altech's traditional 1500 series mono power amplifier. It is a perfect car for vintage speakers with sharp and clear mid-low range sounds unique to commercial use, and a powerful and exhilarating sound (Oikawa Tetsuji)
Maintenance information: 2025.4.21 operation confirmed
2021.1.11 Maintained (6 pieces replaced due to broken C coupling in the driver board and capacity loss. Replace the AC switch with a rotary type. Check the other power stages, Tr x 3 for poor characteristics
Accessories: none
Main specifications: output impedance/4 ohm/8 ohm/16 ohm/50 ohm effective output 100 w+100 w/8 ohm size approx. W483 x H178 x D215 mm weight approx. 16 kg/unit
It has been refreshed and maintained with attention to detail, from painting all the enclosures to cleaning the inside of the driver gap! The outstanding vocal band and the sense of energy of the resonating horn are amazing. It has a well-balanced sound at home on a 500Hz network. (FUJISAWA KOSHI)
Maintenance information: 2025.4.5 maintained (exterior repair/polishing/full coating, saran net replacement, horn paint, horn holder creation, driver maintenance: magnetic circuit rust removal/gap cleaning/center adjustment, terminal cleaning, network maintenance: frequency characteristic check, ATT cleaning, new wiring, horn stay installation processing)
Accessories: No accessories
Main specifications: 2 way 2 speakers 808-8A + 511B, 416-8A, N801-8A, W765 x H1,380 x D606 mm, weight approx. 73.9 kg
Maintained! ALTEC's crossover variable frequency network. The graininess and sound cuts are attractive. Screwdrivers can also be easily replaced. There is corrosion and dullness (Daiki Goto)
Maintenance information: 2025.4.17 maintained (attenuator VR disassembly and overhaul, speaker terminal exchange, crossover check OK)
Accessories: none
Main specifications: Crossover 500 Hz, 800 Hz, 1200 Hz switched with a jumper, banana plug input compatible W191 x H110 x D350 1.8 kg/bottle
The price has been reduced. 2025/4/13 sales price 49,800 yen A 250W sound with strong attack and pressure while firmly inheriting the DNA of ALTEC of yesteryear. The sound coming closer and closer is impressive. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.4.12 Operation confirmed
Accessories: none
Main specifications: 38 cm woofer ferrite magnet frequency band 50 to 2,000 Hz sound pressure level 99.2 dB maximum input 250 W impedance 8 ohms diameter 400 x depth 162 mm 9.8 kg
A 250W sound with strong attack and pressure while firmly inheriting the DNA of ALTEC of yesteryear. The sound coming closer and closer is impressive. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.4.12 Operation confirmed
Accessories: none
Main specifications: 38 cm woofer ferrite magnet frequency band 50 to 2,000 Hz sound pressure level 99.2 dB maximum input 250 W impedance 8 ohms diameter 400 x depth 162 mm 9.8 kg
※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
※Corn paper is inexpensive because it has a strong feeling of use due to sunburn and mold stains. 1 bottle only It is a ferrite woofer that was assembled with the relatively late ALTEC A5/A7, and the voluminous, dry mids and bass are very impressive. When combined on the front road, the sound that comes out becomes more powerful, and the appeal stands out. There is a feeling of use on the exterior such as paint marks adhering, print printing disappearing, dullness, dirt, etc. (Mizusaki Ryo)
Maintenance information: 2025.4.7 sound output confirmed
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
Maintained. This is Altech's 2-way, 800Hz crossover network. Equipped with an attenuator. Please use this when you want to change A5 or A7 to 800Hz. Dullness over time and small scars (Oikawa Tetsuji)
Maintenance Information: 2024.9.10 Maintained
Accessories: none
Main specifications: allowable input 100W input impedance 8Ω attenuator 1dB to 10dB crossover frequency 800Hz dimensions W122 x H140 x D143 mm weight 1.6 kg
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 and has minor scratches over time. Serial 24398 26744 (Murakoshi Yoichi)
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
※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.
※Shipping service. Special Feature = Separate CD Player Research/Ultra Low Frequency Playback Research Vol.2/200W Power Amplifier/VT-52/300A Single Amplifier/Digital Recording Thought/Emmiller UDD Horn/Technology Frontier “8 mm PCM” /Published Circuit Diagram: ALTEC MR42A Mantaray Horn, Electro-Voice HT94 CD Horn/S60.10.1 issued. Since the photograph is a sample, the actual item may be broken or have markings etc.
The disposal price has been reduced. Member prices are not applicable. 2024/11/25 sales price 50,000 yen An enclosure with unknown details imitating an ALTEC 828. There are scratches on the exterior, holes in the back plate, and adhesive peeling on the stay pedestal. (TERAMOTO Yoshihiko)
Accessories: stay fittings, screws
Main specifications: W765 x H1135 x D605 mm 43.4 kg (1 piece)/(measured) aperture diameter 335 mm screw pitch 385 mm
Maintained! A dividing network compatible with the rare Altec coaxial 2-way unit 601 or horn tweeter 3000H. Equipped with a continuously variable attenuator for high frequency attenuation. The condition is generally good, and the ATT plate is also beautiful (Murakoshi Yoichi)
Maintenance information: 2024.12.17 Maintained (coil falling off adhesive repair, ATT VR disassembly contact cleaning, crossover check)
Accessories: plate for attenuators
Main specifications: crossover 3,000 Hz 8 ohms allowable input 35 W W75 × H130 × D50 mm
Maintained! This is a rare ALTEC 615B network. Special crossovers called 1500 Hz rarely arrive. If you've been looking for one or want to try it out, don't miss this opportunity! You can see the exterior, dullness, and feeling of use (Murakoshi Yoichi)
Maintenance information: 2024.12.14 Maintained (condenser installation and adhesion, crossover check)
Accessories: none
Key Specifications: Crossover 1500 Hz 16 Ohms
Maintained! This is a rare ALTEC 615B network. Special crossovers called 1500 Hz rarely arrive. If you've been looking for one or want to try it out, don't miss this opportunity! You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.12.14 Maintained (condenser mounting, crossover check)
Accessories: none
Key Specifications: Crossover 1500 Hz 16 Ohms
The disposal price has been reduced. Member prices are not applicable. 2024/1/22 sales price 10,000 yen Inexpensive due to poor condition. 38cm enclosure. Originally, the ALTEC 604-8G was included. There are many scratches, cracks and peeling on the decorative plate, and there is screw licking*Shipping is estimated separately (Oikawa Tetsuji)
Main specifications: W660 x H1005 x D465 mm 35.1 kg
Maintained. Scarce! Altec 604-8G coaxial 2-way network. The crossover is 1,500 Hz. If you've been looking for one, take this opportunity. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.11.10 Maintenance completed (terminal part soldered, reworked, attenuator disassembled, cleaned, speaker terminal cleaned
crossover check)
Accessories: none
Key Specifications: Crossover 1500 Hz impedance 8 ohms
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 (Tamai Jun)
Maintenance Information: 2024.10.4 Maintained (Attenuator VR Disassembly Contact Cleaning Crossover Check SR Terminal Defect Replacement)
Accessories: none
Main specifications: crossover 500 Hz 8 ohms W123 x H140 x D132 mm 1.6 kg
Maintained. This is a 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 (Asaine Tomoho)
Maintenance information: 2024.10.4 maintained (attenuator VR disassembly contact cleaning crossover check)
Accessories: none
Main specifications: W114 × H190 × D228 mm 1.8 kg, crossover frequency 1.2 kHz, impedance 8 Ω, level control is continuously variable in the middle range up to -8 dB at 2 kHz and the high range is continuously variable up to -6 dB at 10 kHz
Maintained. This is a 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 (Asaine Tomoho)
Maintenance Information: 2024.10.4 Maintained (Attenuator VR Disassembly Cleaning Crossover Check Internal Soldering Defect Repaired)
Accessories: none
Main specifications: W114 × H190 × D228 mm 1.8 kg, crossover frequency 1.2 kHz, impedance 8 Ω, level control is continuously variable in the middle range up to -8 dB at 2 kHz and the high range is continuously variable up to -6 dB at 10 kHz
Maintained. This is a 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. There is a crack repair mark on the corner (Oikawa Tetsuji)
Maintenance information: 2024.9.10 maintained (attenuator VR disassembly contact cleaning, crossover check OK)
Accessories: none
Main specifications: W114 × H190 × D228 mm 1.8 kg, crossover frequency 1.2 kHz, impedance 8 Ω, level control is continuously variable in the middle range up to -8 dB at 2 kHz and the high range is continuously variable up to -6 dB at 10 kHz
Maintained. This is Altech's 2-way, 800Hz crossover network. Equipped with an attenuator. Please use this when you want to change A5 or A7 to 800Hz. The exterior has small scratches, dullness, etc. and a feeling of use (Satoshi Yonejima)
Maintenance information: 2024.9.10 Maintained (attenuator VR disassembly contact cleaning. (Crossover check OK)
Accessories: No accessories
Main specifications: allowable input 100W input impedance 8Ω attenuator 1dB to 10dB crossover frequency 800Hz dimensions W122 x H140 x D143 mm weight 1.6 kg
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. There are dirt marks and scratches on the exterior. Serial 7262, 9085 (Fujisawa Yukishi)
Maintenance information: Maintained on 2024.8.30 (The A.B unit attenuator has been disassembled and cleaned.) 2020.9.20 Maintained (Input terminals replaced with banana-compatible general-purpose products. Remove output terminal solder. Capacitor fixing and wiring insulation. ATT disassembly contact cleaning, contact grease application. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. (Input/output waveform and balance check, sound output check)
Accessories: No accessories
Main specifications: crossover 500 Hz 8 ohms W123 x H140 x D132 mm 1.6 kg
※1 bottle only. Currently sold. ALTEC's crossover variable frequency network. The graininess and sound cuts are also impressive. With this network, you can easily switch horns and drivers in various ways. There are stains and scratches on the exterior due to aging. Serial 313877 (Yonejima Satoshi)
Maintenance information: 2024.8.26 operation confirmed
Accessories: No accessories
Main specifications: Crossover 500 Hz, 800 Hz, 1200 Hz switched with a jumper, banana plug input compatible W191 x H110 x D350 1.8 kg/bottle