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Boulder 508 - Connecting the Outputs to an Unbalanced Preamplifier

Boulder 508
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1-7
Getting Started
Getting Started
Connecting the Outputs to an Unbalanced Preamplier
A special cable is required to make this connection. This cable connects
pin 1 to the shield and pin 2 to the center pin of the RCA. It leaves the neg-
ative output (pin 3) unconnected.
Connecting the unused output pin (usually pin 3) to ground will cause
excessive ground currents and degrade performance. Use an ohmmeter or
continuity checker to determine how your cable is wired.
NOTE: The 508 Phono Preamplier conforms to the standard of pin 2 as
high or “hot” for all balanced analog inputs and outputs.
UNBALANCED OUTPUT CABLE
UNBALANCED
LINE PREAMP
INPUT
2-POS OUTPUT
3-NEG OUTPUT
1-GROUND

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