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Classis BM 32 / 33 / 34

beyerdynamic GmbH & Co. KG 
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
[email protected] | www.beyerdynamic.com

For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E5 / BM 32/33/34 (08.12)

3 of 6

F

REQUENCY

R

ESPONSE

& P

OLAR

P

ATTERN

This frequency response curve (measuring tolerance ± 2.5 dB) and polar pattern correspond to a typical production sample for this microphone.

Frequency response ± 2.5 dB

0 dB = 19 mV/Pa

Classis BM 32

Frequency response ± 2.5 dB

0 dB = 19 mV/Pa

Classis BM 34

Classis BM 32/34

Summary of Contents for Classis BM 32

Page 1: ...evices such as mobile phones The Classis BM 32 has a half cardioid polar pattern which increases the gain before feedback and decreases the amount of diffuse ambience The Classis BM 34 corresponds to the Classis BM 32 but is provided with a bass roll off filter The Classis BM 33 has a half spherical polar pattern making it ideal for large rooms The high sensitivity guarantees a constant output lev...

Page 2: ...herical Half cardioid Open circuit voltage at 1 kHz 0 dB 1 V Pa 19 mV Pa 34 4 dBV 15 mV Pa 36 5 dBV 19 mV Pa 35 dBV Nominal impedance 200 Ω 200 Ω 200 Ω Load impedance 1 kΩ 1 kΩ 1 kΩ S N ratio rel to 1 Pa 69 dB A 68 dB A 60 dB Noise voltage 6 0 µV A 6 0 µV A Max sound pressure level 107 dB SPL 1 THD 107 dB SPL 1 THD Equivalent SPL 25 dB A 26 dB A 26 dB Phantom supply 8 52 V 8 52 V 8 52 V Current co...

Page 3: ...o www beyerdynamic com Non contractual illustrations Contents subject to change without notice E5 BM 32 33 34 08 12 3 of 6 FREQUENCY RESPONSE POLAR PATTERN This frequency response curve measuring tolerance 2 5 dB and polar pattern correspond to a typical production sample for this microphone Frequency response 2 5 dB 0 dB 19 mV Pa Classis BM 32 Frequency response 2 5 dB 0 dB 19 mV Pa Classis BM 34...

Page 4: ...butors worldwide please go to www beyerdynamic com Non contractual illustrations Contents subject to change without notice E5 BM 32 33 34 08 12 4 of 6 FREQUENCY RESPONSE POLAR PATTERN This frequency response curve measuring tolerance 2 5 dB and polar pattern correspond to a typical production sample for this microphone Frequency response 2 5 dB 0 dB 15 mV Pa Classis BM 33 Classis BM 33 ...

Page 5: ...ation The frequency response shall be 50 Hz 18 kHz The open circuit voltage shall be 19 mV Pa The nominal impedance shall be 200 ohms The lower part of the housing shall provide a 3 pin male XLR connector The total length shall be 76 mm 3 the shaft length shall be 67 mm 2 6 the shaft diameter shall be 20 mm 0 8 M20 x 1 5 thread with fastening nut the head diameter shall be 30 mm 1 2 the length of ...

Page 6: ...ne for tabletops or ceilings The microphone shall be provided with an integrated amplifier and power supply with bass roll off filter The SCUDIO technology shall eliminate inter ferences of other wireless communication devices The microphone shall be powered by phantom power between 8 V and 52 V The filter in the microphone grille shall eliminate wind and pop noise The fully metal housing shall pr...

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