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Specifications
System
IE 3 in-ear headphones
EK 300 IEM G2 stereo receiver
RF characteristics
Modulation
wideband FM stereo, MPX pilot tone
Frequency ranges
518–554, 626–662, 740–776, 786–822, 830–866 MHz
Transmission/receiving frequencies
8 channel banks with up to 12 factory-preset channels each
1 channel bank with up to 12 freely selectable channels
(1440 frequencies, tunable in steps of 25 kHz)
Switching bandwidth
36 MHz
Nominal/peak deviation
±
24 kHz/
±
48 kHz
Frequency stability
≤ ±
15 ppm
AF characteristics
Noise reduction system
Sennheiser
HDX
AF frequency response
40–15,000 Hz
MPX pilot tone (Frequenz/Hub)
19 KHz/±4 kHz
S/N ratio (at 1 mV and peak deviation)
≥
91 dB(A)
THD (at nominal deviation and 1 kHz)
≤
0.9 %
General data
Temperature range
–10 °C to +55 °C
Dimensions of carrying case [mm]
380 x 370 x 70
Weight of carrying case
approx. 3000 g
Frequency response
40–20,000 Hz
Max. SPL
118 dB SPL
Impedance
32
Ω
RF characteristics
Receiver principle
non diversity
Sensitivity (with
HDX
, peak deviation)
<
2.5 µV at 52 dBA
rms
S/N ratio
Adjacent channel rejection
≥
70 dB
Intermodulation attenuation
≥
70 dB
Blocking
≥
80 dB
Squelch
4 steps:
OFF
LO: 5 dBµV
MID: 15 dBµV
HI: 25 dBµV
Pilot tone squelch (MPX pilot tone)
can be switched off
AF characteristics
Headphone output
3.5 mm jack socket
AF output voltage (at peak deviation 1 kHz
AF
) PHONES 2 x
≥
100 mW at 32
Ω
Overall device
Power supply
2 AA size batteries, 1.5 V
Nominal voltage
2.4 V
Max. power consumption at nominal voltage
approx. 190 mA (2 x 30 mW)
Power consumption with switched-off receiver
≤
250 µA
Operating time (with batteries)
6–10 h (depending on volume level)
Operating time (with BA 2015 accupack)
6–10 h (depending on volume level)
Dimensions [mm]
82 x 64 x 24
Weight (incl. batteries)
approx. 170 g
Содержание EK 300 IEM
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