Sennheiser SK 5212-II L Datasheet
SK 5212-II
bodypack transmitter
FEATURES
Switching bandwidth up to 184 MHz
Switchable transmission power
1 battery for 5½ hours of transmission
power
Very small, sturdy housing
Sensitivity from -30 to +40 dB
Tunable in 5 kHz steps
Easy operation via jog dial
Adjustable low-cut filter
Low Intermodulation Mode
The SK 5212-II is inconspicuous and very comfortable to wear due
to its compact design. The transmission power can be adjusted to increase transmission duration and to adapt to regional regulations. The
new Low Intermodulation Mode (“LoI”) increases interference immunity, especially during multi-channel operation. The switching bandwidth
of up to 184 MHz, more than double that of its predecessors, provides
extra flexibility. An input sensitivity range of -30 to +40 dB makes the
transmitter suitable for use in quiet interview situations as well as
with very powerful singing voices in musicals. The SK 5212-II requires
only one AA battery for at least 5½ hours of operation and is available in L, N, N-US and P frequency variants.
ARCHITECT’S
SPECIFICATIONS
The device shall be a portable bodypack
transmitter for use with a companion receiver as part of a high-reliability wireless
radio frequency transmission system.
The portable bodypack transmitter shall
be made available in select versions to
operate within
groups designated as L (470-638 MHz), N
(614-798 MHz), N-US (614-697.9 MHz),
and P (776-866 MHz),
both a transmission frequency fixed bank
with up to 59 factory-preset channels and
a variable bank with 20 freely tunable
channels (in 5 KHz steps). It shall have a
switching bandwidth of up to 184 MHz.
transmission frequency
and shall include
Continued on page 2
TECHNICAL DATA
Frequency ranges ............................................... L: 470 - 638 MHz
N: 614 - 798 MHz
N-US: 614 - 697.9 MHz
P: 776 - 866 MHz
Switching bandwidth ..........................................up to 184 MHz
Transmission frequencies .................................. frequency bank „FIX“ with up to
59 factory-preset channels,
frequency bank „VAR“ with 20
freely tunable channels (in 5 kHz
steps)
RF output power .................................................. switchable, typ.: 50 mW (PWR.Hi)
10 mW (PWR.LO)
10 mW (PWR.LoI)
Frequency stability .............................................. ±10 ppm
Compander ............................................................ Sennheiser HiDyn plus™
AF frequency response .......................................60 to 20,000 Hz
Nominal/peak deviation ....................................±40 kHz/±56 kHz
Signal-to-noise ratio ........................................... typ. 110 dB(A)rms
THD (at 1 kHz, nominal deviation) ..................< 0.3 %
Continued on page 2
SK 5212-II bodypack transmitter
ARCHITECT’S
SPECIFICATIONS
Radio Frequency output power shall be
switchable between 50 mW (PWR.HI),
10 mW (PWR.LO) and 10 mW (PWR.Lol
[Low Intermodulation Mode]). Frequency
stability shall be ±10 ppm. It shall have
an audio frequency response of 60 Hz
to 20,000 Hz. Nominal/peak deviation
shall be ±40 kHz/±56 kHz. A compander
feature shall be included and shall be
Sennheiser HiDyn plus™. Signal-to-noise
ratio shall be 110 dB(A)rms (typical) with
a total harmonic distortion of < 0.3% at 1
kHz (nominal deviation). Input sensitivity
shall be adjustable from -30 to +40 dB in
1dB steps; a defeat-able low-cut audio frequency filter shall be included at 120 Hz
(-3 dB); audio frequency response shall be
flat when defeated. The audio input shall
utilize a 3-pin special audio socket; transmitter antenna connection shall utilize a
coaxial socket. Power shall be supplied to
the portable bodypack transmitter by 1
“AA” size battery (1.5Vdc). Power consumption shall be approximately 150 mA
(PWR.LO, 10 mW), 220 mA (PWR.HI, 50
mW) and 220 mA (PWR.Lol, 10 mW), all at
1.5 Vdc operating voltage. Operating time
shall be approximately 11 hours (PWR.LO),
5.5 hours (PWR.HI) and 5.5 hours (PWR.
Lol). Menu-based software adjustments
shall be made using a jog dial selection
mechanism and a backlit LCD user display.
The bodypack case shall be fabricated
from zinc die-cast with chrome-plated
surface; case dimensions shall be approximately 2.09“ x 2.36“ x 0.67“ (53 x 60
x 17 mm). Weight including battery and
antenna shall be approximately 4.23 oz
(120 grams). Operating conditions shall
be ambient temperature +14°F to +131°F
(-10°C to +55°C) at a relative humidity
of maximum 90% (non-condensing). The
portable bodypack transmitter shall be
Sennheiser model SK 5212-II.
TECHNICAL DATA
Sensitivity .............................................................–30 to +40 dB, adjustable in 1 dB
steps
Low-cut frequency (–3 dB) ...............................adjustable: flat, 120 Hz
Power supply ........................................................ 1 AA size battery, 1.5 V
Power consumption ............................................ PWR.LO: approx. 150 mA (10 mW)
at 1.5 V
PWR.HI: approx. 220 mA (50 mW)
at 1.5 V
PWR.LoI: approx. 220 mA (10 mW)
at 1.5 V
Operating time ..................................................... PWR.LO: approx. 11 hrs
PWR.HI: approx. 5.5 hrs
PWR.LoI: approx. 5.5 hrs
Connectors ........................................................... AF: 3-pin special audio socket
RF: coaxial socket
Dimensions ........................................................... approx. 53 x 60 x 17 mm
(2,09“ x 2.36“ x 0,67“)
Weight ................................................................... approx. 120 g incl. battery and
antenna
OPERATING CONDITIONS
Ambient temperature ......................................... –10 °C to +55 °C
Relative humidity ................................................ max. 90 % (non condensing)
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