Sennheiser SR 3256, SR 3254 manual Specifications

Specifications

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	19 kHz / ±5 kHz
(frequency/deviation)
AF frequency response	40–15,000 Hz
Headphone output	¼“ (6.35 mm) stereo jack socket,
	≥ 200 mW/32 Ω
Load impedance of	≥ 16 Ω
headphone output
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

THD

(at 1 kHz and nominal deviation)

>90 dB(A)rms

(refers to overall link with EK 3253)

<0.9 %

Note:

The above data also apply to the second transmitter in the SR 3256.

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