TECHNICAL SPECIFICATIONS
TRANSDUCER TYPE:
Externally polarized, pressure gradient
capacitor, dual membrane
DIAPHRAGM:
1-inch diameter, gold sputtered
DIAPHRAGM THICKNESS:
3-micron
POLAR PATTERN:
Multi-pattern, continuously variable from omnidirectional
to figure-eight
FREQUENCY RESPONSE:
20 Hz-20kHz, + 3dB at ‘Flat’ setting. Bass cut switch
provides 6dB per octave attenuation below 100Hz in ‘cut‘
setting
SENSITIVITY:
-37 dB re. 1V/pa
MAXIMUM SPL:
120 dB, 135dB with pad on
DISTORTION:
<1% @117dB SPL, <3% @ 125dB SPL with pad off
< 1%@132 dB SPL, <3%@ 140dB SPL with pad on
SELF NOISE:
14dB nominal, not to exceed 16dB (A weighted)
IMPEDANCE:
200 ohms, transformer balanced
VACUUM TUBE:
5840 - pentode tube, wired for triode operation
DIMENSIONS AND WEIGHT:
Carrying case with microphone, power supply, shock
mount and cables: 13 lbs.
Microphone: 7 5/8 X 2, 1 lb.
SHIPPING WEIGHT:
13.5 lbs.
POWER REQUIREMENTS:
100, 115 or 220-240 volts AC at 50 or 60 Hz. Power
consumption approximately 10 watts.
