Maintenance has been completed! Network with a crossover frequency of 7 kHz. Ideal for MID/HIGH in 3WAY systems using 2440. The appearance has a feeling of use such as small scratches and dullness. Serial 15615 15685 (Asaine Tomoho)
Maintenance Information: 2022.7.10 Maintained (Terminal Rust Removal Pickling, Cleaning, Insulating Bushing & Mounting Screw Replacement. ATT new replacement Frequency characteristic measurement check (~ about 42kHz) is performed, and the original capacitor is continued to be used for good results. (Input/output waveform and balance check, sound output check)
Accessories: none
Main Specifications: Crossover Frequency 7kHz Allowable Input (Continuous Program) 50W Impedance Bass Range: 12-16Ω Treble Range: 12-16Ω Treble Attension/Variable Volume Mounting 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 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 1260/16994 (Miura Kimiya)
Maintenance Information: 2022.10.9 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. Ideal for MID/HIGH on 3-way systems using 2440. The exterior has dullness, abrasion, and paint deterioration. Serial 20837/22189 (Eiji Tamura)
Maintenance information: 2022.10.30 Maintained (terminal rust removal pickling, cleaning, insulation bushing & mounting screw replacement. ATT is replaced with a brand new one. The frequency characteristics were measured and checked (~ approx. 42 kHz), and since the results were good, the original capacitors were continued to be used. 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 Ω Treble Range: 12 to 16 Ω Treble Attenuation/Variable Volume Mounting Hole W140 x 108 mm 0.7 kg
Maintained! A network with a crossover frequency of 7 kHz. It is ideal for MID/HIGH for 3-way systems using 2440. There is a small wound (Oikawa Tetsuji)
Maintenance information: 2024.4.17 Maintained (2 VR attenuators, 12 screws, 24 insulating washers replaced)
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
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