Maintained in 2020. 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. There are scratches, dullness, etc. on the exterior (Fujisawa Yukishi)
Maintenance information: 2020.9.22 Maintained (remove the input terminal to remove acid wash rust and clean. Remove the solder from the output terminals and clean them. 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: 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
It is an N8000 that has been refreshed by replacing the attenuator. It is mainly suitable for 3way high range and is ideal for combination with JBL LE175, LE85/075, 077. The appearance is dull and has small scratches (Oikawa Tetsuji)
Maintenance information: 2019.2.19 Maintained (2019.2.18 Terminal rust removal, cleaning, insulation bushing & mounting screw replacement. ATT replacement Frequency characteristic measurement check (~ approx. 42 kHz) is performed and the original capacitor is continued to be used for good results. (I/O waveform and balance check, sound output check)
Accessories: None
Main specifications: Variable level control crossover frequency 8kHz 8Ω weight 0.9kg
2Way8000Hz network for high range. It can also be used in combination with JBL 075, 077, or when combining full range and tweeters. Appearance has a feeling of use, Slight Scratch. Serial 2410/2537 (Osamu Fukuzawa)
Maintenance Information: 2019.8.30 Maintenanced (terminal rust removal, cleaning. Insulation bushing & mounting screw replacement. ATT Brand New Replacement Frequency-characteristic measurement check is performed and the original capacitor is continuously used for good results. (Input and output waveform, balance check, sound output check)
Accessories: None
Main Specifications: 2way Crossover 8,000 Hz Impedance 8Ω Continuous Variable Level Control Weight 0.9kg
Crossover Network 8Ω Crossover 8KHz Continuous Variable Level Control Ideal for combination with JBL LE175, LE85/075, 077 The appearance has a feeling of use over time, there are paint peeling etc. Cereal 1437/2032 (Sasaki Shota)
Maintenance information: 2017.7.5 Maintenanced (terminal rust removal, cleaning, screw washer replacement. ATT replacement. Input/output waveform, balance check, sound output check. (Capacitors are used as original for good results of frequency characteristics measurement check)
Accessories: None
Main Specifications: Variable Level Control Crossover Frequency 8KHz 8Ω Weight 0.9kg