Maintained! A network with a crossover frequency of 7 kHz. Perfect for MID/HIGH on 3-way systems using 2440. The exterior has dullness and paint deterioration. Serial 17694, 18736 (Miura Kimiya)
Maintenance Information: 2022.6.25 Maintained (Terminal Rust Removal, Pickling, Cleaning, Insulating Bushing & Mounting Screw Replacement. ATT brand new replacement. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used for good results. (Check input/output waveform and balance, check sound output)
Accessories: There are no accessories
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume installation Hole W140 x 108 mm 0.7 kg
Maintained! A network with a crossover frequency of 7 kHz. Perfect for MID/HIGH on 3-way systems using 2440. The exterior has dullness and paint deterioration. Serial 10523, 10528 (Murakoshi Yoichi)
Maintenance Information: 2022.10.4 Maintenance (Terminal Rust Removal, Pickling, Cleaning, Insulating Bushing & Mounting Screw Replacement. ATT brand new replacement. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used for good results. Check the input/output waveform and balance, and check the sound output.)
Accessories: none
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range 12 to 16 ohms treble range 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg
Maintained! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. The exterior is dull and paint has deteriorated. Serial 26154, 26205 (Murakoshi Yoichi)
Maintenance information: 2022.12.19 maintenance (terminal rust removal, acid cleaning, insulation bushing & mounting screw replacement. ATT replacement. 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: none
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg
Maintained! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. There is a feeling of use such as dullness. Serial 25875 26103 (Takasaki Atsushi)
Maintenance information: 2023.3.31 Maintained (terminal rust removal, acid cleaning, insulation bushing & mounting screw replacement. ATT replacement 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: none
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50W impedance/bass range 12 to 16 ohms, treble range 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg
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