DPA 3532-S 사용자 설명서 - 페이지 2

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DPA 3532-S에 대해서도 마찬가지입니다: 사용자 설명서 (9 페이지)

T E C H N I CAL DESC R IPT I O N

The modular system

The large diaphragm microphones Types 4041-S, 4041 -T and

4 0 41-SP introduce a modular car t r i d ge and preamp l i fier system.

The Modular Microphone Cart r i d ge Type MMC4041 can be

u n s c r ewed from the Modular Microphone Preamp l i fi e rs Ty p e s

MMP4000-S, MMP4000-T and MMP4000-SP, which allows for th e

e xc h a n ge of the preamp l i fi e r.

The 3 types of 4041s are acoustically very similar, but differ in the

preamplifier technology. The Type 4041-S contains the solid-state

preamplifier Type MMP4000-S whereas the Type 4041-T has the

tube preamplifier Type MMP4000-T. The Type 4041-SP contains a

48V phantom powered solid-state preamplifier, the MMP4000-SP.

The cartridge

The Types 4041-S, 4041-SP and 4041-T are omnidirectional (pres-

sure) microphones that use the 24 mm (1 in) Modular Microphone

Cartridge Type MMC4041. The diaphragm and the cartridge housing

are both made of s tainless steel, which gives the capsule a unique

immunity against ambient temperature variations. The MMC4041

back plate is placed in a quarts insulator for maximum electrical

stability. On the 4041-S and 4041-T, the back plate is polarised wit h

200V via the HMA4000 Microphone Amplifier, giving the cartridge

an extremely high sensitivity and SPL handling capability. On the

4041-SP a polarisation generator in the pre-amp is incorporated,

providing the back plate with 200V.

The microphone cart r i d ge Type MMC4041 is designed to have a linear

on-axis response from 10 Hz to 20 kHz with a 4-6 dB soft boost aro u n d

8 kHz(see fig.3). The MMC4041 cart r i d ge module has an extremely low

self-noise of maximum 7 dB(A) and a THD less than 0.5% at 120 dB

SPL peak which means that the cart r i d ge has an imp r e s s i ve dynamic

r a n ge of 113 dB. When mounted on one of the modular high vo l ta ge

m i c rophone preamp l i fi e rs Type MMP4041-S or MMP4041 -T the micro-

phone can handle sound pressure levels up to 144 dB SPL peak before

clipping occurs. When mounted on the MMP4041-SP preamp, 134 dB

SPL peak can be handled before clipping.