1. UHF Handheld transmitter Body
제조사
MODEL
NAME
BEYERDYNAMIC
S 900 M
UHF HAND MICROPHONE BODY
UHF Handheld transmitter Body
Polar pattern : Hypercardioid : SDM 960, SDM 960 M
: Supercardioid : SDM969
: Cardioid : SEM 981, SCM930M
Transducer type : True condenser : SCM 930 M
: Dynamic : SDM 969, SDM 960 M, SDM 969
: Electret condenser : SEM 981
Frequency range : 740 ~ 752MHz
Modulation : FM
Nominal deviation : -/+ 40kHz
Radiated transmitter power : 10mW
Compander system : NE572
Max. SPL : 146dB
AF transmission range(close miking 2 cm) at 80 dB SPL
: 55 ~ 18,000Hz : SDM 960, SDM 960 M
: 65 ~ 16,000Hz : SDM 969
: 50 ~ 18,000Hz : SEM 981
: 40 ~ 20,000Hz : SCM 930
Rear attenuation
-20dB at 1 kHz/120° : SDM 960, SDM 960 M
-15dB at 1kHz/145° : SDM 969
-15dB at 1kHz/180° : SEM 981
-20dB at 1kHz/180° : SCM 930
Signal-to-noise ratio : > 110dB
T.H.D : < 0.5% at 1kHz
Transmission range : 100m
Power supply : 2 x 1.5V batteries (AA) or rechargeable batteries
Current consumption : approx. 85mA
Operating time : > 20 hours with alkaline batteries
Length : 210.5mm
Shaft : 38mm
Weight(with batteries) : 172g