_Linear 87 Circuit Kit

The "Linear 87" circuit kit has been discontinued. Our T-84 circuit, also available within our all-inclusive T-12 and T-47 microphone kits, delivers equivalent performance at a much lower price point. To stay informed of product availability as well as new product announcements and secret sales, subscribe to our mailing list. The "Linear 87" is our premier vocal mic, created with a "no compromise" approach to parts selection. It combines a vintage, single-stage FET circuit design with a custom output transformer. Capsule not included; order our RK-47 or RK-12 capsules separately. Features • Circuit replacement fits CAD GXL3000 • 3-pattern mic with pad and filter • Custom PCB (US made) • Custom output transformer (US made) • Simple, clean, high-gain circuit design • No-compromise parts selection process The "Linear 87" is our premier DIY microphone kit. We based the design on the best single-stage JFET/transformer microphones of years past, including the U87 and KM84. We created a cus