※The attenuator knob is a replacement. Maintained. 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. Exterior, paint peeling, rust, dullness, scratches, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2026.1.14 Maintained (coil fixed) 2025.12.28 Maintained (attenuator disassembly and cleaning)
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