Universal Audio UA Bock 251
Multi-pattern Tube Condenser (Flagship)
Microphone$5,999Manufacturer list price
Specifications
- Type
- Microphone
- Description
- Multi-pattern Tube Condenser (Flagship)
- Signal path
- Analog
- Channel format
- single-channel, external PSU
- Form factor
- large-diaphragm tube condenser
- Powered
- dedicated tube power supply (included)
- Frequency response
- 10 Hz - 18 kHz, ±2 dB
- Max SPL
- 118
- Polar pattern
- switchable: omnidirectional, cardioid, figure-8
- Country of manufacture
- USA
Details
Controls: switchable polar pattern
I/O: multi-pin cable to dedicated tube power supply
Notes: Flagship Bock mic; German-made CK12 capsule, NOS ECC85 tube, Cinemag transformer; inspired by ELAM 251. Handmade at UA Custom Shop, Santa Cruz, CA. Price basis: manufacturer-reported MSRP, Jul 2026.