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Record with Rich Tube Magic

The UA Bock 167 large-diaphragm tube condenser mic will give your vocals and instruments the classic smooth tone of the legendary U67* with modern sonic flexibility. Each microphone is handmade in Santa Cruz, California, to the exacting specifications of world‑renowned mic designer David Bock.

Add a Handmade Masterpiece to your Studio

The UA Bock 167 is David Bock's thoughtful reimagining of the iconic U67 mics he studied and maintained as chief technical engineer of the world's top recording studios for two decades. Handbuilt at UA’s Custom Shop in Santa Cruz, California, the UA Bock 167 is the perfect choice for recording singers, acoustic instruments, drums, and voiceovers.

Get Iconic Sounds with Modern Tone Sculpting

Vintage U67 tube mics are cherished for their full sound and lively midrange. Our UA Bock 167 improves upon this classic design with three EQ filtering options, a unique "fat" switch for boosting between 10 Hz and 400 Hz, and continuously variable polar pattern. This translates into recordings with more dynamic range, tonal extension, and flexibility.

Experience a Lifetime of Beautiful Recordings

Handwired using premium components — including a dual-symmetrical K67 capsule, Lundahl transformer, and NOS tube — each UA Bock 167 is built and tested to David Bock's exacting specifications. With its premium case, professional shock mount, and hand-tuned power supply, this mic will provide years of exceptional recordings.


Premium large-diaphragm multi-pattern tube condenser mic, lovingly handmade at the UA Custom Shop in Santa Cruz, California

Iconic, "golden unit" mic sounds with modern enhancements by David Bock

Continuously variable omnidirectional, cardioid, and figure-8 polar patterns

Dual-symmetrical K67 capsule and Lundahl transformer

"Fat" switch provides low-end boost between 10 Hz and 400 Hz, Pad (-10 dB)

High frequency contour: cut (-1.5 dB @ 5 kHz), cut (-3 dB @ 10 kHz), flat, boost (+2 dB @ 10 kHz)

Frequency Range: 10 Hz – 18 kHz, ±2 dB

Max SPL: 118 dB SPL, 1% THD

NOS EF732 tube

Requires included UA Bock 167 PSU true linear power supply

Premium storage case


Choose Your Bock Microphone

Bock 187

FET Condenser

Bock 167

Tube Condenser

Bock 251

Tube Condenser

Polar Pattern

Cardioid

Polar Pattern

Continuously variable Omnidirectional through Cardioid and Figure-8

Polar Pattern

Switchable Omnidirectional, Cardioid, and Figure-8

Capsule

1” diameter
Dual symmetrical backplate
Dual diaphragm K67 type

Capsule

1” diameter
Dual symmetrical backplate
Dual diaphragm K67 type

Capsule

1” diameter
Dual asymmetrical backplate
Dual diaphragm CK12 type

Tube

--

Tube

New Old Stock EF732

Tube

New Old Stock ECC85

Maximum SPL

125 dB SPL, 1% THD

Maximum SPL

118 dB SPL, 1% THD

Maximum SPL

118 dB SPL, 1% THD

Adjustable
Controls

PAD (-10 dB): Off/On
MODE: Fat/Normal
LOCUT: Off/On

Adjustable
Controls

PAD (-10 dB): Off/On
MODE: Fat/Normal
Hi FREQ: Cut 5 kHz, Cut/Boost 10 kHz, Flat

Adjustable
Controls

Polar pattern selector

Frequency
Range

20 Hz - 16 kHz +/- 2 dB

Frequency
Range

10 Hz - 18 kHz +/- 2 dB

Frequency
Range

10 Hz - 18 kHz +/- 2 dB

Sensitivity

-42 dB (8 mV) ref 1V at 1 Pa, 1 kHz

Sensitivity

-29 dB (33 mV) ref 1V at 1 Pa, 1 kHz

Sensitivity

-34 dB (19 mV) ref 1V at 1 Pa, 1 kHz

Output
Impedance

200 Ohms

Output
Impedance

200 Ohms

Output
Impedance

150 Ohms

Recommended
Load
Impedance

> 2K Ohms

Recommended
Load
Impedance

> 2K Ohms

Recommended
Load
Impedance

> 1.2K Ohms

Dynamic
Range

113dB

Dynamic
Range

99 dB

Dynamic
Range

100 dB

Signal-to-Noise Ratio

82 dB

Signal-to-Noise Ratio

75 dB

Signal-to-Noise Ratio

76 dB

Power

Phantom Power
48 VDC, 0.5 mA typical

Power

UA Bock 167 PSU true linear, 115V (default) or 230V operation

Power

UA Bock 251 PSU true linear, 115V (default) or 230V operation

Connectors

3-Pin XLRM

Connectors

6-Pin XLR (mic), 3-Pin XLRM (power supply)

Connectors

Tuchel (mic), 3-Pin XLR (power supply)

*The UA Bock 167 product is not affiliated with, sponsored, nor endorsed by Neumann. The "U67" name is used solely to identify the classic mic design that Universal Audio's product is based on. All other trademarks are property of their respective owners.

Customer Reviews

UA Bock 167

Overall Rating