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Huhu BM-800

Pricing & Availability

  • MSRP: $41


CardioidHuhu BM-800

Cardioid Condenser Microphone

The BM-800 is a very low-cost electret condenser microphone that is sold under a variety of brand names on Ebay and Amazon. It is remarkable for its price — under $20, including a shockmount.

The packaging of our sample microphone describes the BM-800 as a “large diaphragm” design. This is untrue; the capsule is a 16mm, small diaphragm electret model.

The circuit does not supply polarization voltage to the capsule; would-be DIY upgrade enthusiasts are limited to other electret choices, unless the mic’s circuit is replaced too.

BM-800 circuitThe circuit is constructed of primarily surface-mount parts; the JFET and two electrolytic capacitors are through-hole components.

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Pickup Patterns Pads & Filters
Cardioid (19.9 mV/Pa; 20 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Capsule diameter: 16mm
150 Ohms (Low) Max SPL: 130 dB
Self-noise: 16.0 dB(A)
Weight Length Max Diameter Interface(s)
230g (8.11oz) 150mm (5.91'') n/a
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48 ± 4v

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