RCA 77-DX - Page 9

5
+5
0
Vl
J
5
W
CO
W
10
0
15
20
+5
0
OPEN CIRCUIT
RESPONSE
OF
A TYPICAL
TYPE
77DX
MICROPHONE
M
V2
UNIDIRECTIONAL
POSITION
60
100 1000
10,000 15,000
15
+5
0
5
V2
BIDIRECTIONAL
POSITION
60 100
1,000
10,000 15
000
V2
NONDIRECTIONAL POSITION
60 100 1,000
FREQUENCY IN
CYCLES PER SECOND
10,000 15,000
472178-0
Figure
5
-
Frequency Response
Curves