Super tweeter made by Aurum Qantas, which has a reputation for ribbon tweeters. Built-in high-pass filter using Mundorf's M-Cap, etc. Crossover switches between 2 stages, and the gain is adjustable to 5 levels in 1.5dB increments, and is compatible with a variety of speakers. Light abrasions, dullness (Yoichi Murakoshi)
Maintenance information: 2022.4.12 sound output confirmed
Accessories: original box, instruction manual
Main specifications: Ribbon type playback frequency band 10kHz to 40kHz output sound pressure level 92dB/94dB crossover 10kHz, 16kHz switching W114 × H160 × D183mm 2.3kg