Operation Manual

EF1210 U
SER
M
ANUAL
90 http://www.aspi.com Copyright © 1999, All Rights Reserved
C
ONNECTING
B
ALANCED
E
QUIPMENT TO
U
NBALANCED
E
QUIP
-
MENT
C
ONNECTING
U
NBALANCED
RCA
TO
B
ALANCED
M
INI
P
HOENIX
1. Connect RCA Tip to Phoenix pin 1.
2. Connect RCA Ring to Phoenix pin 2.
3. Connect Phoenix pin 3 to Shield, and leave Shield floating on RCA end.
Caution!
Do NOT connect the shield at both ends.
Caution!
On the EF1210, Phoenix pin 3 is connected to chassis ground. Under no circum-
stances should Phoenix pin 3 be connected to pin 1 or to pin 2. Doing so will add
noise to the audio signal.
Figure 20. Cable construction for connecting unbalanced RCA to balanced mini Phoenix (3 conductor terminal
block).
Red
Black
Red
Black
Shield
Tip
Ring
RCA Male
Mini (3.5 mm) Phoenix
2
1
3
+
-