SA538
Primary use:
Type:
Polar patterns:
Common name: Charter Oak SA538
Production Status: Discontinued / Vintage
The SA538 is a variable pattern studio microphone. The capsule is 1.07, centre-terminated, and has dual 6 micron gold-sputtered Mylar diaphragms. The impedance converter uses a vacuum tube (valve) and the polar pattern is switchable at the power supply – 9 patterns. The PSU can be configured for 230 or 115V AC use.
Electrical Characteristics
Frequency Response
30Hz - 20 kHz
Output Sensitivity
12 mV/Pa
Max SPL
128
Max SPL, THD:
0.5
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
22 dB-A
Output Impedance
200Ω
Recommended Load
0.2kΩ
Powering
Proprietary unit
Supply Current
mA
Alternative Powering
Tube Model
ECC83/12AX7
Tube Brand
JJ Electronics
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
7-pin
Connector notes
XLR-7 on microphone
Available Colours
Black
Weight
907 g
Length
213 mm
Min diameter width
Max diameter
71 mm
Depth
Accessories
Included
PSU, cables, shock mount, flight case
Optional