Sennheiser SR 3254 - Manual (Page 28)

27
Specifications
Note:
The above data also apply to the second transmitter in the SR 3256.
RF characteristics
Frequency ranges 518–554, 626–662, 740–776, 786–822,
830–866 MHz
Transmission frequencies 1 channel bank with up to 16 factory-preset
channels
1 channel bank with up to 16 freely selectable
channels (frequencies tunable in steps of
5 kHz)
Switching bandwidth 36 MHz
Frequency stability
±10 ppm (-10°C to +55°C)
Antenna output BNC socket, 50 Ω
RF output power max. 100 mW
AF characteristics
Modulation FM stereo working on the pilot tone principle
Noise reduction system Sennheiser HDX
Nominal/peak deviation
±24 kHz / ±48 kHz
MPX pilot tone
(frequency/deviation) 19 kHz / ±5 kHz
AF frequency response 40–15,000 Hz
Headphone output ¼“ (6.35 mm) stereo jack socket,
≥ 200 mW/32 Ω
Load impedance of
headphone output
≥ 16 Ω
AF input 2 x XLR-3, electronically balanced
AF input voltage (at nom. deviation) +4 dBu at 1 kHz, internally adjustable
Signal-to-noise ratio
> 90 dB(A)
rms
(refers to overall link with EK 3253)
THD
(at 1 kHz and nominal deviation)
< 0.9 %