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seri es 9 Decoding Computer System
Connecting to Wadia 921 Mono Decoding Computers
The Wadia 921 Mono Decoding Computer has 2 outputs:
• Line-level unbalanced analog on RCA
• Line-level balanced analog on XLR
Connecting Directly to an Amplifier
We strongly recommend that you connect your Wadia series 9 Decoding Computer System directly to your
power amplifier. Even if you purchased your Wadia series 9 Decoding Computer system with the intention of
connecting it through a preamplifier, we suggest that you experiment with direct connection to your amplifier.
Many listeners are surprised by the improvement in performance over even the most expensive preamplifiers. If
you would like more information about getting best performance from a system without a preamplifier, contact
your Wadia dealer.
To connect your Wadia series 9 Decoding Computer System to a power amplifier, ensure that your power amplifier
is turned off, then connect your analog interconnects from the Wadia 921 Mono Decoding Computers balanced
or unbalanced analog outputs to the amplifier’s inputs.
Connecting to a Preamplifier
While the Wadia series 9 Decoding Computer System was designed to be used without a preamplifier, it will
provide excellent operation in a conventional system with a preamplifier. Simply connect the analog outputs
from the Wadia 921 Mono Decoding Computers to a pair of line-level inputs on the preamplifier.
When using a preamplifier, disable the Wadia series 9 Decoding Computer System volume control by setting the
Wadia 931 Digital Controller to its maximum volume.
Powering up
To turn the Wadia 921 Mono Decoding Computer on, plug the unit in. Under normal conditions, the Wadia
series 9 Decoding Computer System should be left with the power on. To reduce power consumption, you can
put your system in the Standby Mode, by setting the Wadia 931 Digital Controller volume to zero, and pressing
mute on the remote control. For more information, see Standby on page 21.