11
SPECIFICATIONS
Operating Principle:
Directional Pattern:
Frequency Range:
Polarity:
Off-Axis Response
Horizontal:
Vertical:
Transducer Element
Material:
Thickness:
Width:
Length:
Microphone Dimensions
Height:
Width:
Depth:
Weight with cable:
Shipping Weight:
Connector:
R84 PassiveMicrophone
Maximum SPL:
Sensitivity:
Output Impedance:
Rec Load Impedance:
Phantom Power:
R84A Phantom-Powered
Microphone
Maximum SPL: Sensitivity:
Output Impedance:
Recommended Load
Impedance:
Phantom Power:
Accessories Included
Pressure gradient transducer
Bidirectional
<20 Hz to >20 kHz
Pin 2 high for positive pressure on front of mic
Up to 90 dB rejection at right angles to the front and
back axis.
Level changes with angle of incidence, but frequency
response is consistent.
Pure aluminum corrugated ribbon
1.8 µm
0.185 in (4.7 mm)
2.35 in (59.7 mm)
11.6 in (29.5 cm)
3.9 in (9.9 cm)
2.5 in (6.4 cm)
3 lb (1.36 kg)
4 lb (1.8 kg)
XLR-3M wired to a 10' (3 m) captive cable
165+ dB SPL (1% third harmonic > 1 kHz)
2.5 mV/Pa (-52 dBV) into loaded circuit
270 Ω nominal
1.2K Ω or greater
Not required or recommended
141+ dB SPL (1% third harmonic > 1 kHz)
6.3 mV/Pa (-44 dBV) into loaded circuit
92 Ω nominal
1.0K Ω or greater
P48 phantom power, 7 mA
Softbag storage case, user manual
Note: The phantom-powered R84A was previously known as the A840.
