Maintenance such as attenuator replacement has been completed! 2-way network. It is a model that can be used with peace of mind because it is a standard JBL network and there are many users. The exterior has overall stains, surface paint deterioration, etc. (Wang Zhan)
Maintenance information: 2019.6.4 Maintained (terminal rust removal, cleaning. Insulating bushing & mounting screw replacement. ATT exchange. Frequency characteristics were measured and checked, and the original capacitor was continuously used for good results. (Check input/output waveform and balance, check sound output)
Accessories: none
Main specifications: 2-way crossover 8kHz impedance 12 to 16 ohms allowable input 50W attenuator continuously variable type
The price has been reduced. 2020/11/8 Sales price 50,000 yen has been maintained. 2-way dividing network. There are many users on the JBL standard network, and it is a model that you can use with confidence. Serial 19582 19473 (Takasaki Atsushi)
Maintenance information: 2020.10.30 Maintenance carried out (terminal rust removal pickling, cleaning, insulation bush & mounting screw replacement, ATT new replacement, frequency characteristic measurement check for good results (Continued use of original capacitors ~ approx. 42 kHz, input/output waveform and balance check, sound output check)
Accessories: none
Main Specifications: 2-way Crossover 8kHz Impedance 12~16Ω Allowable Input 50W Attenuator Continuously Variable
Professional cross 800 Hz network. It's an exhilarating sound with a great vantage point. How about making a 2-way horn system with a 16 ohm unit? There are stains and rust on the main body. Serial 7293/8121 (Satoshi Yonejima)
Maintenance Information: 2021.6.28 Maintained (Terminal Rust Removal (Acid Wash) Treatment, Cleaning, Insulating Bushing & Mounting Screw Replacement. The adhesive fixing of the coils inside the housing is reinforced with silicon. ATT (SW type) contact cleaning. A frequency characteristic measurement check (~ approx. 42 kHz) was performed, and the original capacitor was continuously used for good results. Input/output waveform and balance check, sound output check)
Accessories: no accessories
Main specifications: crossover frequency 800 Hz impedance 12 to 16 ohms W122 x H154 x D132 mm 1.9 kg/1 unit
2023.12.18Maintained professional cross 800Hz network. It is used in the 4320, etc., and the low frequencies are pushed out smoothly, giving the impression that the clarity of the mid-high range has improved. This network is useful for creating 2-way systems where woofers have a certain amount of area. How about making a 2-way horn system with a 16Ω unit? There are stains and rust on the main body. (TERAMOTO Hidehiko)
Maintenance information: 2023.12.18 Maintained (terminal rust removal treatment, cleaning, mounting screw replacement. SW type ATT contact cleaning. Frequency characteristics are measured and checked, and the original capacitors are continuously used for good results. (Check the input/output waveform and balance, check the sound output)
Main specifications: crossover frequency 800 Hz impedance 12 to 16 ohms W122 x H154 x D132 mm 1.9 kg/1 unit
Maintained! Professional cross 800Hz network. The internal capacitor was replaced with a Dayton one. It's an exhilarating sound with a great vantage point. How about making a 2WAY horn system with a 16Ω unit? serial 28100/28523
Maintenance information: 2020.6.4 Maintenance implementation (terminal rust removal pickling treatment, cleaning, insulation bushing & mounting screw replacement, SW type ATT contact cleaning, frequency characteristic measurement check, and continued use of the original capacitor for good results ~ approx. 42 kHz, input/output waveform and balance check, sound output check)
Accessories: none
Main specifications: Crossover frequency 800 Hz impedance 12 to 16 Ω W122 × H154 × D132 mm 1.9 kg/1 unit
The price has been reduced! 2019/11/24 Selling price 75,000 yen Maintained! It is a cross 800Hz network that is very useful. The impression is that the low frequencies are pushed out smoothly, and the clarity of the mid-high frequencies is improved. It is a network that is useful for making a 2-way system that gives the woofer a certain amount of space. The exterior has a feeling of use and small scratches.. Serial 11409/11812 (Kei Otani)
Maintenance information: 2019.11.24 Operation confirmed
2015.6.15 Maintained (terminal polishing, cleaning, insulation bush replacement, SW ATT cleaning, input/output waveform and balance check, sound output check, frequency characteristic measurement check/ ~ approx. 42kHz)
Accessories: none
Main specifications: Crossover frequency 800 Hz Impedance 12 to 16 Ω W122 × H154 × D132 mm 1.9 kg/1 unit