The TK67D is a dual-membrane, center-tapped 32mm diameter capsule. Like most K67-style capsules, the TK67D exhibits a high-frequency boost to allow for more head room, which is typically tailored down in the amplifier circuit.

Capsule Diameter: 32 mm
Membrance Diameter: 26 mm
Membrance Material: 6-micron gold-coated mylar