D-67

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D-67 Tube Microphone Kit – Classic U67-Style Tube Microphone Design

Build your own U67-style tube condenser microphone with the D-67 Tube Microphone Kit, a premium DIY project inspired by one of the most respected studio microphones in recording history.

Designed for builders who want smooth mids, refined top end, and classic tube character, the D-67 delivers the balanced, musical response that made this style of microphone a favorite for vocals, acoustic instruments, overheads, and studio recording.

The D-67 is built around a serious tube microphone platform and includes the essential boards and hardware for a professional U67-style project, including the microphone PCB, power supply PCB, tube socket, and switchboard PCB.

For transformer flexibility, the D-67 is compatible with the AMI T67 Transformer, AMI BV12 Classic Series, and the Cinemag CM-5701 Microphone Output Transformer, with support for other BV12-style transformers when suitable for the enclosure and PCB. An optional BV12 Classic Series Adapter is also available for expanded transformer options.

Features:

✔ Classic U67-Style Tube Circuit – Inspired by one of the most admired tube microphone designs ever made.
✔ Smooth, Musical Tube Character – Built for balanced mids, controlled top end, and refined studio sound.
✔ Flexible Transformer Compatibility – Works with AMI T67, AMI BV12 Classic Series, Cinemag CM-5701, and other compatible BV12-style transformers.
✔ Serious DIY Microphone Platform – Includes the microphone PCB, power supply PCB, tube socket, and switchboard PCB.
✔ Expanded Build Options – Optional BV12 Classic Series Adapter available for additional transformer flexibility.
✔ Studio-Ready Versatility – A strong choice for vocals, acoustic instruments, overheads, and premium recording applications.

Whether you are building your first serious tube microphone or refining a high-end studio project, the D-67 gives you a proven path to a microphone with timeless tone, classic tube depth, and professional appeal.

Build your D-67 and bring legendary tube studio sound to your next session.

Link to:

  • Build Thread & FAQ D-67
  • D-67 BOM
  • D-67 PSU BOM

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Microphone Body for D-67 PCB Kit
Microphone Body for D-67 PCB Kit
Microphone Body for D-67 PCB Kit
$170.00 USD
D-U67 PCB Kit
D-U67 PCB Kit
D-U67 PCB Kit
$55.00 USD
StyroFlex Capacitor Kit for D-U67
StyroFlex Capacitor Kit for D-U67
StyroFlex Capacitor Kit for D-U67
$16.00 USD
Switch Kit (3) (low Cut-Pad-Pattern)
Switch Kit (3) (low Cut-Pad-Pattern)
Switch Kit (3) (low Cut-Pad-Pattern)
$18.00 USD
Low Profile 9-Pin Tube Socket
Low Profile 9-Pin Tube Socket
Low Profile 9-Pin Tube Socket
$9.00 USD
D87 / D67 Microphone Wooden Storage Box
D87 / D67 Microphone Wooden Storage Box
D87 / D67 Microphone Wooden Storage Box
$0.00 USD
AMI BV12 Classic Serie Adaptor PCB
AMI BV12 Classic Serie Adaptor PCB
AMI BV12 Classic Serie Adaptor PCB
$7.00 USD
Power Supply Case
Power Supply Case
Power Supply Case
$175.00 USD
Toroidal Power Transformer
Toroidal Power Transformer
Toroidal Power Transformer
$40.00 USD
Shockmount for U67 & U87 Microphones
Shockmount for U67 & U87 Microphones
Shockmount for U67 & U87 Microphones
$45.00 USD
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