11
Line-in/Line-out
connections
on subwoofer
Screened audio cable
Preamp output
connections on
rear of WCU330
2. Gain adjust
The maximum output of the WCU330 can be limited by turning these down.
Alternatively, if the sound level is too quiet, the Gain can be turned up.
3. Mode switch
Selects between Opus 300 mode and Standard A-BUS
®
Ready/Opus 500 mode.
4. Speaker output
Connect to a pair of speakers with two runs of standard high-quality speaker cable.
Speakers of at least 88dB SPL for 1W @ 1 metre efficiency should be used with the
WCU330. Speakers from 4–8 ohms can be used. The Opus OS165CC speakers are an
ideal match.
5. CKU330 option
Allows control of source equipment via an Opus learning keypad as part of the CKU
combined keypad unit.
6. Preamp output
A preamp output is provided for optional use driving a powered subwoofer or auxiliary
amplifier. Connection from the preamp output to other equipment should be by
screened audio cable.
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