SM Pro Audio MC03: Valve Microphone User Manual
Page 10
10
Specifications
6. SPECIFICATIONS
Microphone type:
True pressure gradient condenser microphone with 1 in (25
mm) diameter dual diaphragms and vacuum tube preamplifier
Vacuum tube:
12AX series widely available valves
Frequency range:
20 to 20,000 Hz
Capsule capacitance:
50 pF
Polar pattern:
Omnidirectional, cardioid, figure 8, and six intermediate stages
(silent switching)
Open circuit sensitivity
@1KHz:
-36dBV +/-2dBV (0dBV=1V/Pa) for all patterns
Rated output impedance:
Low, 200 Ohms (nominal)
Recommended
load impedance:
1000 Ohms
Max. SPL
(0.5% THD @1000Hz):
130 dB
Equivalent noise
level (A weighted):
18 dB-A
S/N ratio re 1Pa:
74dB
Dynamic range (max SPL to
A-weighted noise level):
116 dB
Ambient temperature range:
14°F to 140°F (-10 °C to +60 °C)
Connector:
7-pin XLR (gold plated)
Dimensions: Diameter:
2.36 in (60 mm), length: 7.1 in (180 mm)
Net weight:
29 oz (800 g)
Power requirement:
Dedicated SM Pro MC03 powering unit required to power
valve, no additional phantom power needed.
Power Supply
Dimensions and Weight:
2" X 5.5" X 7" (51 X 140 X 178 mm), 3.25 lbs (1.46 Kg)