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CardioidJZ Microphones BH-3

Cardioid Condenser Microphone

The BH-3 is the third version of JZ’s “Black Hole” microphone. Like the BH-2, it is a single-capsule, fixed-cardioid microphone. To the basic BH-2 design, the BH-3 adds a 3-way pad: 0dB, -5dB, -10dB.

JZ Black Hole 3 shockmountWhen initially introduced the BH-3 appeared to include an elastic shockmount and pop filter, as of 2010 these accessories are available only separately (JZ p/n BH-SPK; MSRP $490). Pictured at right is the BH-3 with the optional shockmount from the BH-SPK kit.

variable-sputtered condenser diaphragmThe capsule in the BH-3 (and BH-2) is JZ’s “GDC1,” a large-diaphragm design with a single 27mm membrane. The picture at right shows the “Golden Drop” variable sputtering technique developed by JZ, in which irregularly-sized drops of gold alloy are applied to the polyester film of the diaphragm.

The hole in the microphone body is designed to reduce standing waves between the microphone and source, such as the front of an acoustic guitar.

JZ Black Hole microphone packagingAll the Black Hole mics are packaged identically: with the original BH-1 spring shockmount, in a padded hardwood box that seals shut magnetically.

The JZ Microphones BH-3 is also known as: Black Hole PE, BH3.

The mic was released in 2008.


Frequency Response - CardioidClick Graph to Compare!
BH-3 Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (21 mV/Pa; 20 - 20,000 Hz)
  • Pad: -5dB (Via Switch)
  • Pad: -10dB (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 27mm
50 Ohms (Low) Max SPL: 134 dB
Self-noise: 6.5 dB(A)
Weight Length Max Diameter Interface(s)
270g (9.52oz) 203mm (7.99'') 51mm (2.01'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48 ± 4v

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