Sennheiser Freeport - Manual (Page 13)

12
Specifications of the freePORT systems
System characteristics
Individual components
ME 2 clip-on microphone
Transmission/receiving
frequencies 4 UHF transmission/receiving frequencies
Range A:
719 to 721 MHz
(719.15 – 719.75 – 720.15 – 720.85 MHz)
Range B: 691 to 693 MHz
(691.00 – 691.40 – 692.35 – 692.90 MHz)
Range C : 742.5 to 744.5 MHz
(742.65 – 743.35 – 743.85 – 744.45 MHz)
Range E: 863 to 865 MHz (863.10 – 863.70 – 864.10 – 864.90 MHz)
Switching bandwidth 2 MHz
Signal-to-noise ratio
>
95 dB(A)
THD (1 kHz)
<
1 %
Temperature range –10 bis +45 °C / 95 relative humidity
EM 1
receiver SK 2
bodypack transmitter SKM 3
radio microphone
Power supply 12V DC
NOM
/100 mA 9 V PP3 battery 9 V PP3 battery
Operating time
(with alkaline battery) – approx. 10 hrs approx. 10 hrs
Frequency response – 60...16,000 Hz
±
3 dB 80...16,000 Hz
±
3 dB
RF output power (-3 dB) – 10 mW 10 mW
AF output voltage
¼’’ (6.3 mm) jack socket (unbal.):
XLR socket (balanced):
max. +10 dB
u
max. +16 dB
u
– –
Dimensions in mm approx. 35 x 213 x 98 approx. 60 x 100 x 30
(with belt clip)
approx. 285;
∅
approx. 35 x 50
Weight approx. 570 g approx. 90 g approx. 210 g
Transducer principle – – dynamic
Pick-up pattern – – cardioid
Transducer principle
Pick-up pattern pre-polarized condenser
omni-directional
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