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OWNERS MANUAL
DU30
Mic Preamp / Audio Ducker
Rolls Corporation
Salt Lake City, UT
9/01
LIMITED WARRANTY
This product is warranted to the original consumer purchaser to
be free from defects in materials and workmanship under normal installa-
tion, use and service for a period of one (1) year from the date of purchase
as shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be
limited to repair or replacement (at our option), during the warranty period
of any part which proves defective in material or workmanship under nor-
mal installation, use and service, provided the product is returned to Rolls
Corporation, TRANSPORTATION CHARGES PREPAID. Products returned
to us or to an authorized Service Center must be accompanied by a copy of
the purchase receipt. In the absence of such purchase receipt, the warranty
period shall be one (1) year from the date of manufacture.
This warranty shall be invalid if the product is damaged as a
result of defacement, misuse, abuse, neglect, accident, destruction or alter-
ation of the serial number, improper electrical voltages or currents, repair,
alteration or maintenance by any person or party other than our own service
facility or an authorized Service Center, or any use violative of instructions
furnished by us.
This one-year warranty is in lieu of all expressed warranties, ob-
ligations or liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS,
OR LIABILITIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PAR-
TICULAR PURPOSE, SHALL BE LIMITED IN DURATION TO THE ONE
YEAR DURATION OF THIS WRITTEN LIMITED WARRANTY. Some
states do not allow limitations on how long an implied warranty lasts, so
the above limitation may not apply to you.
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL,
INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF
THIS OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED,
WHATSOEVER. Some states do not allow the exclusion or limitation of
special, incidental or consequential damages so the above limitation or ex-
clusion may not apply to you. This warranty gives you specific legal rights,
and you may also have other rights which vary from state to state.
DU30 MIC PRE - DUCKER
•
Automatically ducks music under announcements
• Perfect for restaurants and small clubs
• Clean, Quiet Mic Preamp
The DU30 is a microphone preamp and back-
ground music preamp. When an announcement is
made into the microphone, the music is automati-
cally "ducked" under the announcement. Then the
music is brought back to it's previous l level.
phan
pwr
12 VDC
PAD SENSITIVITY
MIC
LEVEL
PWR
DU30
+
-
INPUTINPUT INPUT
MIC AUX LINE
OUTPUT
AUDIO DUCKER
Mic
Preamp