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Schoeps話筒麥克風(fēng) MK 41 話筒頭 微型話筒 Schoeps MK41
話筒拾音頭 MK 41
超心形拾音頭在頻率范圍內(nèi)具有高度一致的指
向性
用于音樂和人聲拾音
較短的“槍式”話筒,在中頻區(qū)域具有更高的指向性
通常適用于影視同期聲的錄制和管弦樂隊的點話筒
MK 41 具有很強(qiáng)的指向性,離軸聲的衰減比心形話筒更大。與其它類型的SCHOEPS話筒拾音頭相比,這類話筒的拾音顯得“更澀”,且不易受聲音回授的影響(揚聲器不能直接位于話筒的后方軸線上)。
其指向性不依賴于頻率,從而偏離軸向的聲音和混響聲都沒有聲染色。因此,即使作為遠(yuǎn)距離的拾音頭也能產(chǎn)生非常自然的聲音。這一點比帶有干擾管的槍式話筒(其指向性依賴于頻率,只有在高頻率范圍指向性才會勝過超心形)更具優(yōu)勢。干擾管話筒對空間的擺放位置非常敏感,改變反射模式將導(dǎo)致聲音染色的改變。因此與槍式話筒相比,MK 41 更有效、節(jié)省空間、體積更小,也可以被放置得離音源更近。
當(dāng)采用M/S話筒擺放時,如果用 MK 41 作為“M”通道,可以將它放在離音源遠(yuǎn)一些的位置。
與心形 MK 4 話筒相比,由于梯度效應(yīng),MK 41在低頻末端會有較多的滑落。它的擴(kuò)散聲場響應(yīng)提升比 MK 4 小。
長度:22mm
直徑:20mm
重量:17g
MK 41 MICROPHONE CAPSULE
PROPERTIES
Supercardioid directional pattern
High directivity, at low and medium frequencies comparable to that of a shotgun microphone
Natural sound due to flat frequency response which remains largely the same for all directions of pickup. This is particularly important for indoor recording
Preferred uses: recording dialogue for film sound; as a spot microphone in the orchestra and on the opera stage.
DESCRIPTION
The MK 41 effectively attenuates diffuse sound energy and produces a clear, "dry" sound pickup.
Its polar pattern is exceptionally frequency-independent: sounds from the side and back are strongly attenuated, but picked up without false coloration. This feature has made the MK 41 an international standard for indoor film sound.
The susceptibility of the MK 41 to acoustic feedback is lower than with any other SCHOEPS capsule type, provided that no loudspeaker radiates directly from the rear. The sensitivity minimum of the supercardioid occurs at approximately a 125° angle of incidence.
The directional effect is independent of frequency, so that off-axis and diffuse sound are picked up free of false coloration, thus sounding natural. That is a real advantage over shotgun microphones, which have appreciably greater directivity only at higher frequencies, and frequency response (and thus sound quality) that depends on the direction of sound incidence.
Thus for many situations the MK 41 offers an interesting alternative to a shotgun microphone, even if its small dimensions do not appear to suggest high directivity. As a capsule without an interference tube in front of it, the MK 41 can also be placed closer to the sound source.
TECHNICAL SPECIFICATIONS
Pickup pattern
Supercardioid
Frequency range : 40 Hz - 26 kHz with CMC 6 / CMR, 40 Hz - 41 kHz with CMC 6xt
Sensitivity : -36 dB (V/Pa), 16 mV/Pa with CMC 6
Equivalent noise level (A-weighted) : 14 dB with CMC 6
Equivalent noise level (CCIR) : 23 dB with CMC 6
Signal-to-noise ratio (A-weighted) : 80 dB with CMC 6
Maximum sound pressure level (THD < 0.5 %) : 131 dB-SPL with CMC 6
Length : 22 mm
Diameter : 20 mm
Weight : 17 g
Surface finish : matte gray (g) or custom color