Technical Specifications - Beyerdynamic CM 930 Information De Produit

Technical Specifications

CM 930
Polar pattern . . . . . . . . . . . . . . . . . . . Cardioid
Transducer type . . . . . . . . . . . . . . . . . True condenser
Frequency response . . . . . . . . . . . . . . 40 - 20,000 Hz
Nominal impedance . . . . . . . . . . . . . . 180 Ω
Load impedance. . . . . . . . . . . . . . . . . 1 kΩ
Open circuit voltage . . . . . . . . . . . . . . 3 mV/Pa
Max. SPL (w/hout pre-attenuation) . . . 146 dB
Signal-to-noise ratio . . . . . . . . . . . . . . 71 dB
A-weighted equivalent SPL. . . . . . . . . 16 dB
Dimensions
Capsule diameter . . . . . . . . . . . . . . . . 48 mm
Shaft diameter . . . . . . . . . . . . . . . . . . 38 mm
Length . . . . . . . . . . . . . . . . . . . . . . . . 105.5 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . 191 g
DM 960
Polar pattern . . . . . . . . . . . . . . . . . . . Hypercardioid
Transducer type . . . . . . . . . . . . . . . . . Dynamic
Frequency response . . . . . . . . . . . . . . 90 - 16,000 Hz
Nominal impedance . . . . . . . . . . . . . . 280 Ω
Load impedance. . . . . . . . . . . . . . . . . 1 kΩ
Open circuit voltage . . . . . . . . . . . . . . 3 mV/Pa
Magnetic field suppression . . . . . . . . . > 20 dB at 50 Hz
Dimensions
Capsule diameter . . . . . . . . . . . . . . . . 54 mm
Shaft diameter . . . . . . . . . . . . . . . . . . 38 mm
Length . . . . . . . . . . . . . . . . . . . . . . . . 109.5 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . 191 g
10
RM 510
• Loosen the screws.
• Unscrew the upper part of the microphone
head (turn anti-clockwise).
• Clean the upper basket under clear running
water.
• Allow the upper basket to dry overnight
before you replace it.
• The upper basket cannot be cleaned in a
dishwasher.