A model made as a network for the company Tweeter 1710 and speakers SP-8716. The surroundings are covered with carbon, and the inside uses a super permalloy core. Improvement of lingering and natural sound reproduction can be obtained by improving network filter characteristics and auditory distortion. The appearance has abrasions and scratches. (Eiji Tamura)
Maintenance information: 2022.1.21 operation confirmed (ATT is also not available)
Accessories: No accessories
Main specifications: 8Ω/16Ω switching SW ATT5 stage change switching W270 ✕ H110 ✕ D385mm Weight 12.2kg
Bellwood's 2-way network crossover is 7 kHz. A FOSTEX attenuator is attached to the high frequency section, so sound pressure can be adjusted. Recommended for those who want to add Twitter to the full range unit. The exterior is clear and there is a feeling of use (Kobayashi Hitoshi)
Maintenance Information: 2022.11.8 Operation confirmed
Accessories: none
Main specifications: Crossover frequency: 7kHz 8Ω attenuation: 12dB/oct W170 × H100 × D140 mm 0.88 kg
Coral professional 3-way network Although it is a standard product, it is a gem that you don't see much. (Fujisawa Yukishi)
Accessories: original box, instruction manual
Main specifications: Crossover 300Hz/3500Hz impedance 8/16Ω compatible (using jumper wire) withstand input 30W W115 × H10 × XD80mm 1.3kg
It is a 2-way dividing network specially developed to fit each unit in the Coral Pro Series. The sound quality is clear and sharp (Fujisawa Yukishi)
Maintenance information: 2022.3.23 operation confirmed
Accessories: None
Main Specifications: Dividing Network Crossover 7000Hz Impedance 8Ω Maximum Input 200W W310 × H90 × D220mm 2.8kg