Shure WH30 Headphones User Manual


 
8
SPECIFICATIONS WH30TQG WH30XLR
Type
Condenser, electret bias Condenser, electret bias with
integrated preamplifier
Frequency Response
40 to 20,000 Hz (See Figure 6)
Polar Pattern
Unidirectional (cardioid) (see Figure 7)
Output Impedance (at 1kHz)
2400
Ω
Rated 150
Ω
(actual) (Tolerates
loads as low as 150
Ω
with
reduced clipping level)
Output Level
(at 1 kHz; 0 dB = 1 V/Pascal)
–55.5 dB (1.7 mV) –54.5 dB (1.9 mV)
Signal to noise ratio (ref.
A-weighted noise)
63.0 dB at 94 dB SPL (IEC 651)
Output Clipping Level (at 1000
Hz)
–22 dBV (0.08 V) 2.5K
Ω
Load: –8 dBV (0.4V)
1 K
Ω
Load: –8 dBV (0.4V)
Maximum SPL
130 dB 2.5K
Ω
Load: 142 dB
1 K
Ω
Load: 142 dB
Dynamic Range (max. SPL to
A-weighted noise level)
99 dB 111 dB
Output Noise (equivalent SPL)
31 dB (typical, A-weighted)
Recommended Operating
Voltage
5 VDC
(pin 2 to pins 3 and 4)
11-52 VDC Phantom power
Polarity
Positive sound pressure on
diaphragm produces positive
voltage on pins 3 and 4 relative to
pin 1 (ground) on the mini TA4F
connector.
Positive sound pressure on the
diaphragm produces positive
voltage on pin 2 relative to pin 3 of
preamplifier output connector.
Environmental Conditions
Operating Temperature –7
°
to 49
°
C (20
°
to 120
°
F)
Storage Temperature –29
°
to 74
°
C (–20
°
to 165
°
F)
Humidity: 0 to 95% (operating or storage)
Cable
1.2 m (4 ft.) two-conductor, shielded
Cable Connector
mini TA4F XLR
Net Weight
Headset: 65 g (2.3 oz) Headset and cord: 60 g (2.1 oz)
Preamplifier: 99 g (3.5 oz)