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$8,295.00
Universal Audio Bock 251 Large-diaphragm Tube Condenser Microphone
(0)
Universal Audio Bock 251 Large-diaphragm Tube Condenser Microphone
(0)
Item may be on display!
$8,295.00
(Incl. Taxes & Shipping Cost)
About This Product
The UA Bock 251 is Universal Audio's flagship large-diaphragm tube condenser mic, giving you the smooth, open tone of the iconic ELAM 251, considered by many to be the greatest vocal mic ever made. Each microphone is handmade in Santa Cruz, California, to the exacting specifications of world‑renowned mic designer David Bock.
With its German-made CK12 capsule and large output transformer, the UA Bock 251 gives you extended low‑frequency response down to 10 Hz and higher SPL capabilities versus vintage 251 microphones.
Features:
- Large-diaphragm tube studio condenser mic, lovingly handmade at the UA Custom Shop in Santa Cruz, California
- Iconic, "golden unit" mic sounds with modern enhancements by David Bock
- Switchable omnidirectional, cardioid, and Figure-8 polar patterns
- German-made CK12 capsule and Cinemag transformer
- Frequency Response: 10 Hz - 18 kHz, ± 2 dB
- Max SPL: 118 dB SPL, 1% THD
- NOS ECC85 tube
- Requires included UA Bock 251 PSU true linear power supply
- Premium vintage-style suitcase
Specifications
- Polar Pattern: Switchable Omnidirectional, Cardioid, and Figure-8
- Capsule: 1” diameter, Dual asymmetrical backplate, Dual diaphragm CK12 type
- Tube: New Old Stock ECC85
- Maximum SPL: 118 dB SPL, 1% THD
- Adjustable Controls: Polar Pattern Selector
- Frequency Range: 10 Hz - 18 kHz +/- 2 dB
- Sensitivity: -34 dB (19 mV) ref 1V at 1 Pa, 1 kHz
- Output Impedance: 150 Ohms
- Dynamic Range: 100 dB
- Connector: Tuchel (mic), 3-Pin XLR (power supply)
- Power: UA Bock 251 PSU true linear, 115V (default) or 230V operation
Have a question?

Contact our experts for product support
or help with your order
Have a question?

Contact our experts for product support
or help with your order
Can I pre-order an item if it’s currently unavailable?
Yes! Apart from custom orders, all pre-orders/reservations require a 100% deposit or a 30% deposit with 70% Balance payment upon item arrival. Speak to our friendly Sales & Support Team about a possible reservation/pre-order today!
Does my order come with a warranty?
Yes! All orders come with warranty for a year from the date of purchase once you’ve registered your order details in your Swee Lee account.
Can I test an item before buying it?
We don’t have a physical storefront in Brunei, but you can reach out to our friendly Sales & Support Team who will assist in providing as much information as you need to make an informed decision!
Will my order come with any accessories?
Unless stated in the product’s description, our products do not come with any accessories. You may browse our accessories online, or ask our friendly Sales & Support Team for some recommendations today!
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