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
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