AKG C535 EB - Power Supply Requirements; Phantom Powering (Balanced Inputs)

C535 EB MANUAL 29
POWER SUPPLY
3 Power supply
The AKG C535 EB has been designed for phantom powering
according to IEC 61938. These standards specify a positive voltage
of 12, 24 or 48 volts on the audio lines versus the cable shield.
3.1 Phantom powering with balanced inputs
The following connection diagrams are recommended:
microphone output
screenscreen
Rv
+B
~
12
3
12
3
21
3
bb
a
a
input amplier
Figure 2: Input circuitry incorporating transformer with center tap (ungrounded).
microphone output
screenscreen
2x Rv2x Rv
+B
~
12
3
12
3
21
3
bb
a
a
input amplier
Figure 3: Input circuitry incorporating transformer without center tap
(ungrounded).
Phantom
powering
with balanced
inputs