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DATA SHEET
No.
139
SPECIFICATIONS
Voltage Sensitivity:
2.2 millivolts r.m.s. per bar at the
end of a 7-foot cable across 1 to 5
megohms at 400 cycles.
equivalent to 53 db below 1 volt per bar at the terminals
of the 7-foot cable.
Internal Output
Equivalent to a 1,500 micro-micro-
Impedance:
farad condenser.
Recommended Load
Impedance:
1 to 5 megohms.
M o d e l . . . . . . . . . . . . . . . .
Height, Overall (a)*. . . . . . . . .
Height, Case
(h)*. . . . . . . . .
Width
(b)*. . . . . . . . .
Thickness
(c)*. . . . . . . . .
Finish. . . . . . . . . . . . . . . . Irridesc. Gray Chrome
Net Weight. . . . . . . . . . . . . .
Shipping Weight . . . . . . . . . . .
Code Word (7' Cable). . . . . . . . .
* See Fig. D.
This is
708S
4"
2-1/2"
2-1/2"
4-7/8"
1 Lb.
2-1/4 Lb.
RUPOC
FIG. B--FREQUENCY CHARACTERISTIC OF MODEL 708S
Each microphone is guaranteed to be free
GUARANTEE:
from electrical and mechanical defects
for a period of one year from date of
shipment from the factory, provided all instructions are
complied with fully.
In case of damage, return the mi-
crophone to the factory for repairs.
voided if the microphone case is opened.
LICENSE NOTICE:
Shure patents pending.
patents of the Brush Development Compa-
ny.
Our guarantee is
Licensed under
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