Shure BLX2 User Manual

8
BLX
BLX1
BLX2
Audio Input Level gain position
0dB:
-23 dBV
maximum
-10dB:
-10 dBV
maximum
Gain Adjustment
Range
10 dB
RF Transmitter
Output
10 mW, typical
varies by region
Dimensions
224 mm X 53 mm dia. (8 7/8
X 2 1/8 in.)
Weight
218 g (7.7 oz.) (without
batteries)
Housing
Molded ABS
Power
Requirements
2 LR6 AA batteries, 1.5 V,
alkaline
Battery Life
up to 14 hours (alkaline)
Working Range
91 m (300 ft) Line of Sight
Note: Actual range depends
on RF signal absorption, re-
flection and interference.
Audio Frequency
Response
50 to 15,000 Hz
Note: Dependent on micro-
phone type
Total Harmonic
Distortion
Ref. ±33 kHz devia-
tion with 1 kHz tone
0.5%, typical
Dynamic Range
100 dBA-weighted, typical
Operating
Temperature
-18°C (0°F) to 57°C (135°F)
Note: Battery characteristics
may limit this range.
Polarity
Positive pressure on mi-
crophone 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.
Audio Input Level gain position
max:
-16 dBV
maximum
min (0
dB):
+10 dBV
maximum
Gain Adjustment
Range
26 dB
Input Impedance
1MΩ
RF Transmitter
Output
10 mW, typical
varies by region
Dimensions
110 mm x 64 mm x 21 mm
(H x W x D)
Weight
75 g (2.6 oz.), without
batteries
Housing
Molded ABS
Power
Requirements
2 LR6 AA batteries, 1.5 V,
alkaline
Battery Life
up to 14 hours (alkaline)
BLX4 & BLX88
Output Impedance XLR con-
nector:
200Ω
6.35 mm
(1/4")
connec-
tor:
50Ω
Audio Output Level
Ref. ±33 kHz deviation
with 1 kHz tone
XLR con-
nector:
–27 dBV
(into100kΩ
load)
6.35 mm
(1/4")
connec-
tor:
–13 dBV
(into100kΩ
load)
RF Sensitivity
-105 dBm for 12 dB SINAD,
typical
Image Rejection
>50 dB, typical
Dimensions BLX4:
188 mm X
103 mm X
40 mm (H x
W x D)
BLX88:
388 mm X
116 mm X
40 mm (H x
W x D)
Weight BLX4:
241 g (8.5
oz.)
BLX88:
429 g (15.1
oz.)
Housing
Molded ABS
Power Requirements
12–15 V DC @ 160 mA
(BLX88, 320 mA), supplied
by external power supply
(tip positive)

Shure BLX2 Specifications

General

Battery Life	Up to 14 hours
Battery Type	2 AA batteries
Modulation	FM
Transmitter Type	Handheld
Compatibility	BLX Series
Frequency Response	50 Hz to 15 kHz
Operating Range	300 ft (91 m) typical
Microphone Capsule	SM58
RF Output Power	10mW
Dynamic Range	100 dB