Custom Transformer-Coupled Builds

$319.00$329.00

Custom mic builds in imported bodies using our BFM transformer-coupled circuit. Choose from 4 transformer options. Great tone, pro-grade capsules, and unique body styles.

SKU: ldc-tc-custom
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Description

These mics are crafted using imported bodies and built around our BFM (Big F’n Microphone) transformer-coupled circuit — a design inspired by the legendary Neumann KM84, reimagined for large-diaphragm capsules.

The compact “102” style is ideal for tight spots, while the TF33 offers a taller, weightier build with a professional feel. Both feature excellent headbaskets compatible with CK12 or K47-style capsules. The TF33 includes an internal pattern switch by default, while the 102 does not — but it can be configured as a dedicated omni mic.

Choice of transformers:

  • Cinemag 5722 – Clean, balanced, and great on anything.

  • AMI T12 – Adds low-end body and warmth.

  • 3U GZT-84 – Budget-friendly with a smooth tone.

  • Neutrik – Lo-fi and gritty with a natural high-pass feel.

Each build includes high-quality components throughout, delivering rich tone, vintage-style warmth, and rock-solid performance. Choose from several premium transformer options to shape the sound to your needs, from smooth and balanced to gritty and character-rich.

Hand-built. Artist-tuned. Studio-ready.

Additional information

Microphone Type

102 TC, TF33 TC

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RockScience Studio and Mic Mods
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