Specifications of the freeport systems – Sennheiser Freeport User Manual

Page 13

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

Operating time
(with alkaline battery)

–

approx. 10 hrs

Frequency response

–

60...16,000 Hz

3 dB 80...16,000 Hz

3 dB

RF output power (-3 dB)

–

10 mW

AF output voltage
¼’’ (6.3 mm) jack socket (unbal.):
XLR socket (balanced):

max. +10 dB

max. +16 dB

–

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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