LX Wireless
21
SPECIFICATIONS
RF Carrier Frequency Range
169.445 to 240.000 MHz (available frequencies depend on the applicable regulations in the
country where the system is used)
Working Range
91 m (300 ft) under typical conditions. NOTE: Actual working range depends on RF signal
absorption, reflection and interference
Audio Frequency Response
50 to 15,000 Hz,
±
2 dB. NOTE: Overall system frequency response depends on the micro-
phone element
Audio Output Level (
±
15 kHz deviation, 1 kHz tone)
XLR connector (into 600
Ω
load): 0 dBV (line), –20 dBV (mic)
1
/
4
inch connector (into 3 k
Ω
load)
:
–8.8 dBV
Gain Adjustment Range
LX1: 40 dB
LX2: 25 dB
Impedances
LX1 (input): 1 M
Ω
LX3 (output): 3 k
Ω
(
1
/
4
-inch phone jack)
LX4 (output): 150
Ω
(XLR); 3 k
Ω
(
1
/
4
-inch phone jack)
Modulation
±
15 kHz deviation compressor-expander system with pre- and de-emphasis
RF Power Output
LX1, LX2: 50 mW maximum (complies with FCC and IC regulations)
Dynamic Range
>102 dB, A-weighted
RF Sensitivity
0.45
m
V for 12 dB SINAD (typical)
Image Rejection
80 dB typical
Spurious Rejection
75 dB typical
Ultimate Quieting (ref. 15 kHz deviation)
>100 dB, A-weighted
Audio Polarity
Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302
phone plug) produces positive voltage on pin 2 with respect to pin 3 of low impedance output
and the tip of the high impedance
1
/
4
-inch output.
System Distortion (ref.
±
15 kHz deviation, 1 kHz modulation)
0.3% THD typical
Power Requirements
LX1, LX2: 9V alkaline battery (Duracell MN1604 recommended); 8.4V Nicad optional
LX3, LX4: 12.5 - 18 Vdc (negative ground), 400 mA
Battery Life
18 to 20 hours (with Duracell MN1604 9V alkaline battery)
Operating Temperature Range
-20
°
to 50
°
C (–4
°
to 122
°
F). NOTE: Battery characteristics may limit this range.
Overall Dimensions
LX1: 83 mm H x 64 mm W x 26 mm D (3
1
/
4
x 2
1
/
2
x 1
1
/
32
in.)
LX2/58, LX2/BETA 58
: 241 mm L x 51 mm Dia. (9
1
/
2
x 2 in.)
LX2/87, LX2/BETA 87
: 216 mm L x 51 mm Dia. (8
1
/
2
x 2 in.)
LX3, LX4: 43 mm H x 214 mm W x 183 mm D (1
11
/
16
x 8
7
/
16
x 7
3
/
16
in.)