Crown PZM30D Large Pressure Zone Boundary Condenser Microphone for vocals and instruments with HPF
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Description
This is a Pressure Zone Microphone designed for professional recording, sound reinforcement and broadcasting. It has many applications, from miking full orchestras or individual musical instruments to security or teleconferencing. This has a switchable dual frequency response: rising (R) or flat (F). The "rising" position adds brilliance. This makes it useful wherever a crisp attack is desired, such as on percussion, drums, or piano. The user can get a bright sound without boosting high frequencies on the recording console; the result is lower noise.
The "flat" position provides a smooth, flat high-frequency response for natural sound reproduction. These sturdy microphones are especially reliable because they can be used with a rugged detachable cable. The output is a male 3-pin XLR type, balanced and low impedance, which permits long cable runs without hum pickup or high-frequency loss.
Like other Pressure Zone Microphones, the PZM-30D utilizes the Pressure Recording Process in which a miniature condenser microphone capsule is mounted in the "Pressure Zone" just above the boundary, a region where sound coming directly from the sound source combines in phase with sound reflected off the boundary. The benefits are a wide, smooth frequency response free of phase interference, with excellent clarity and reach, a hemispherical polar pattern, and uncolored off-axis response.
Features
- Pressure Zone Microphone design prevents coloration from surface sound reflections
- Choice of fl at response or rising high frequency response
- PZM-30D uses a rugged detachable cable.
- Hemispherical pickup pattern
| Type | Pressure Zone Microphone |
| Transducer | Electret condenser |
| Frequency response | 20 Hz to 20 kHz. |
| Polar pattern | Hemispherical when used on a floor, wall or ceiling. |
| Open circuit sensitivity | 7 mV/Pa (Ð43 dB re 1 volt/Pa). |
| Power sensitivity | Ð43 dB re 1 mW/Pa. EIA sensitivity Ð135 dBm. |
| Impedance | 240 ohms, balanced. Recommended minimum load impedance 1000 ohms. |
| Self-noise | 20 dB equivalent sound pressure level, A-weighted. |
| S/N ratio | 74 dB at 94 dB SPL. |
| Maximum Sound Pressure Level | 150 dB SPL at the microphone produces 3% THD. |
| Polarity | Positive pressure on the diaphragm produces positive voltage on pin 2 with respect to pin 3 of the output connector. |
| Operating voltage | Phantom power, 12 to 48 volts DC, positive voltage on pins 2 and 3 with respect to pin 1 of the output connector. |
| Current drain | 1.1 mA |
| Connector | Male 3-pin XLR-type. |
| Cable | use 2-conductor shielded microphone cable. |
| Switch | Frequency-response select switch for rising or flat response. |
| Color | Black. |
| Weight | 6.5 ounces (184 grams). |
| Dimensions | 6 in. x 5 in. x .75 in. (15.2 cm x 12.7 cm x 1.9 cm). |
This is a Pressure Zone Microphone designed for professional recording, sound reinforcement and broadcasting. It has many applications, from miking full orchestras or individual musical instruments to security or teleconferencing. This has a switchable dual frequency response: rising (R) or flat (F). The "rising" position adds brilliance. This makes it useful wherever a crisp attack is desired, such as on percussion, drums, or piano. The user can get a bright sound without boosting high frequencies on the recording console; the result is lower noise.
The "flat" position provides a smooth, flat high-frequency response for natural sound reproduction. These sturdy microphones are especially reliable because they can be used with a rugged detachable cable. The output is a male 3-pin XLR type, balanced and low impedance, which permits long cable runs without hum pickup or high-frequency loss.
Like other Pressure Zone Microphones, the PZM-30D utilizes the Pressure Recording Process in which a miniature condenser microphone capsule is mounted in the "Pressure Zone" just above the boundary, a region where sound coming directly from the sound source combines in phase with sound reflected off the boundary. The benefits are a wide, smooth frequency response free of phase interference, with excellent clarity and reach, a hemispherical polar pattern, and uncolored off-axis response.
Features
- Pressure Zone Microphone design prevents coloration from surface sound reflections
- Choice of fl at response or rising high frequency response
- PZM-30D uses a rugged detachable cable.
- Hemispherical pickup pattern
| Type | Pressure Zone Microphone |
| Transducer | Electret condenser |
| Frequency response | 20 Hz to 20 kHz. |
| Polar pattern | Hemispherical when used on a floor, wall or ceiling. |
| Open circuit sensitivity | 7 mV/Pa (Ð43 dB re 1 volt/Pa). |
| Power sensitivity | Ð43 dB re 1 mW/Pa. EIA sensitivity Ð135 dBm. |
| Impedance | 240 ohms, balanced. Recommended minimum load impedance 1000 ohms. |
| Self-noise | 20 dB equivalent sound pressure level, A-weighted. |
| S/N ratio | 74 dB at 94 dB SPL. |
| Maximum Sound Pressure Level | 150 dB SPL at the microphone produces 3% THD. |
| Polarity | Positive pressure on the diaphragm produces positive voltage on pin 2 with respect to pin 3 of the output connector. |
| Operating voltage | Phantom power, 12 to 48 volts DC, positive voltage on pins 2 and 3 with respect to pin 1 of the output connector. |
| Current drain | 1.1 mA |
| Connector | Male 3-pin XLR-type. |
| Cable | use 2-conductor shielded microphone cable. |
| Switch | Frequency-response select switch for rising or flat response. |
| Color | Black. |
| Weight | 6.5 ounces (184 grams). |
| Dimensions | 6 in. x 5 in. x .75 in. (15.2 cm x 12.7 cm x 1.9 cm). |
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