Sony WRT-8B Specifications

UHF SYNTHESIZED TRANSMITTER
The WRT-8B Body-pack Transmitter is the latest addition to the extensive
range of Sony UHF synthesized wireless microphone systems.
Extremely compact and lightweight,
essential qualities for use by artists
in fast-moving TV and theater musical
productions, this new model is just
63 mm x 83 mm x 17 mm (W x H x D)
and weighs a mere 140 g – including
batteries. Inside its tough, die-cast
magnesium body is a highly stable,
low-noise transmitter providing superb
audio quality. It can operate for up to
13 hours on two AA-size batteries*, and
features switchable AF input and RF
output levels, a variable input attenuator,
and easy-to-read indicators.
As well as theater and studio use,
the WRT-8B has the functionality and
rugged construction that makes it ideal
for the demanding environments of news
gathering, documentary production and
sports events.
* The time may vary depending on the operating conditions.
Features
Stable Transmission
A Phase Locked Loop (PLL) frequency
synthesized system is the core technology
used in the WRT-8B to achieve its
outstanding carrier stability, an essential
performance factor in professional
wireless microphone systems. This
PLL-controlled system generates a
highly stable carrier frequency, which
can be selected in increments of 25 kHz.
Users may choose from 192 frequencies
with the WRT-8BCE model at 125 kHz
channel spacing. The WRT-8B also
transmits a 32 kHz tone signal along
with the programme audio signal. This
tone is recognised by the squelch
circuit in Sony wireless microphone
receivers so that the programme signal
is only output when this tone signal is
received.
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WRT-8B
Selectable RF output level
The WRT-8B provides a choice of RF output
powers. The 10 mW output is suitable for
multi-channel operations such as in
theatre and studio productions, while
the 50 mW output is intended for the
long-distance transmissions typically
required for sports and news coverage.
Switchable input level and variable attenuator
The audio input level is selectable to
either MIC or LINE level with a switch on
the side panel of the WRT-8B. A variable
attenuator is located on the top panel.
An XLR-3 input cable is supplied.
Long operating time
This compact transmitter
continuously for approximately 13* hours
on two AA-size alkaline batteries at 10 mW
output power. When operating at 50 mW, it
can operate continuously for approximately
six* hours.
*These times may vary depending on the operational environment.
LCD and LED indicators
An easy-to-read LCD indicates extensive
information such as operating channel/
frequency, AF input level, RF output
level, transmitter battery status and
accumulated operating time. A red LED
indicator also flashes when the AF level
exceeds a designated level.
Battery alarm indicators
As well as indicating battery status with
the LCD indicator, a "low battery warning"
is transmitted which can be monitored by
most Sony receivers.
Rugged, die-cast magnesium, construction
This construction provides lightness
coupled with outstanding strength.
Lavalier microphone capability
The WRT-8B accepts the output of a
variety of professional lavalier microphones
fitted with an SMC9-4P connector.
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