High performance 170mm / 6½ inch HD-Aerogel twin voicecoil bass midrange drive unit from the prestige range. Featuring a composite high definition Aerogel cone and fully ventilated Zamak chassis / pole piece. Twin edge wound voice coils can be configured for 4, 8 and 16 ohms. This drive unit has a neutral tonal balance with precise and detailed imaging - perfect for high end monitors.
New old stock - very, very rare, supply is limited.