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Schoeps話筒 德國Schoeps話筒麥克風 CCM 3 話筒 Schoeps麥克風 CCM3
CCM 3 緊密型話筒
全指向模式
離散場拾音頭，拾音擺放的距離適用于到達話
筒的主要聲音不再是直達聲
適用于在混響環境中相關距離的擺放
如作為環境聲拾取話筒，用于“間隔擺放話
筒”的立體聲拾音和“Decca Tree”擺放
所有CCM話筒類型的技術指標：
供電： 12V ± 1V 或 48V ± 4V 幻像供電
電流損耗（自動切換）： P12：8mA，P48：4mA
源阻抗： 90 Ω
推薦最小負載阻抗： 600 Ω
低切頻率（－3dB）： 20Hz
U版本長度： 46mm－58mm，根據型號決定
L版本長度： 46mm－58mm不帶連接器
直徑： 20mm
不包括線纜的重量： U版本：33g，L版本：43g
表面拋光： 磨砂灰（g）或鎳（ni）
線纜（K 5 LU）標準長度： 5m
如果需要其它長度可單獨定制，但便攜盒所能容納的線纜最大長度為10m。
TheSCHOEPS CCM 3 Omni Directional Compact Microphone with LEMO Disconnecthas an omni directional pattern. It is a miniature true classic condenser microphone (no electret used). The capsule and amplifier form an inseparable unit in a single housing. The microphone includes a K5 LU 16’ Detachable LEMO to XLR-3M Adapter Cable with 3mm diameter, SGC Stand, and wood box.
It is used for very distant miking with good bass response and/or as an ambience microphone. It features diffuse-field placement (well beyond the reverberation radius).
The CCM 3 is designed for placement in a diffuse sound field, i.e., at distances in reverberant environments where the greater portion of the arriving sound has already been reflected from various room surfaces. In such placement, the integrated frequency response of this capsule is essentially flat. It is remarkable how well-focused a recording can be made with omni directional microphones at such distances, when the microphones have been designed and placed appropriately. But when sound arrives from nearby sources in front of the capsule, high frequencies are distinctly accented, leading to a sound image with special brilliance.
If this type of microphone is used close to the sound source, the emphasis of high frequencies for on-axis sound incidence would become clearly audible, producing an overly brilliant sonic impression.
If miking distances more typical of the mono and early stereo era are to be used, a capsule such as the CCM 3, with its full diffuse-field equalization, may well offer the optimal balance of focus, depth, and spaciousness; and the KA 40 accessory spheres (sold separately) can then add a further measure of presence to the sound at such distances, if desired. The CCM 3 is also often used as an ambient room microphone.
The included K 5 LU Cable is an adapter cable from the LEMO output connector of the CCM _L Compact Condenser Microphones to XLR-3M.
The included Miniature Stand Mount with Swivel SGC is adjustable from 0° through 100° in either direction. The internal thread of the SGC screws onto any 3/8” rod (e.g., vertical support rods STR) or stand adapter. The SGC is an integral part of the HC miniature cable hanger and the TCg table stand.
True condensers do not require electronic frequency response correction
Balanced, low-impedance output via removable 16.4' (5m) cable; LEMO to XLR-3M connector
For universal use
Small and light
LEMO disconnect allows for use of special accessories
Boasts flat frequency response
Sound is extensively independent of directional pattern
Has low noise and distortion
Runs on both 48 and 12V phantom
Can be used with very long cables over 328' (100m)
Matte gray non-reflective surface finish
Omni-directional pattern
Diffuse-field capsule
For miking distances at which the predominant sound is no longer direct
Useful for relatively distant placement in reverberant environments; as a room microphone, for spaced microphone stereo pickup and in Decca Tree arrangements
Schoeps CCM 3 Specs
General
Current Consumption P12: 8 mA, P48: 4 mA; (automatically switched)
Polarity Increasing sound pressure on the microphone's 0° axis produces a positive-going voltage at 2-pin voltage at 2-pin2
Output Voltage Maximum: Approximately 1 V
Polar Pattern Omni directional
Frequency Range 20 Hz to 20 kHz
Sensitivity 10 mV/Pa
Impedance 90 Ω
Load Impedance Minimum Recommended: 600 Ω
Equivalent Noise Level CCIR: 26 dB
A-Weighted: 14 dB-A
Frequency Low-Cut: -3 dB: 20 Hz
Signal-to-Noise Ratio A-Weighted: 80 dB-A
Length Without Connector: 1.8 to 2.2" (46.0 to 58.0 mm)
Maximum SPL At 0.5%THD: 130 dB
Length Standard Length of the Cable: 16.4' (5.0 m)
Diameter 0.7" (20.0 mm)
Standard CE-Mark:
Relevant Directives: EMC Directive: 89/336/EEC, amended by92/31/EEC and 93/68/EEC
Relevant Standards: EN 55 103-1, -2
Weight 1.5 oz (43.0 g)