Rolls RPQ160 Owner's Manual

Parametric equalizer

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LIMITED WARRANTY
This product is warranted to the original consumer purchaser to be free from
defects in materials and workmanship under normal installation, 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 normal installation, use and service, provided
the product is returned to Rolls Corporation, TRANSPORTATION CHARGES PRE-
PAID. 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 deface-
ment, misuse, abuse, neglect, accident, destruction or alteration 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, obligations or
liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,
INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER-
CHANTABILITY AND FITNESS FOR A PARTICULAR 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 exclusion 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.
ROLLS CORPORATION
SALT LAKE CITY, UTAH
7/00
RPQ160
Parametric Equalizer
LOW SHELF
HIGH SHELF
50
100
4
200
30
2
20
1.5
400
16
500
1 KHZ
HZ
ACTIVE
FREQ
WIDTH
LEVEL
FREQ
0
2.1k
0
4k
800
3.3k
2k
6k
400
7k
900
3
.3
+15
300
10k
-15
+15
600
20k
dB
HZ
OCT
dB
HZ
LEVEL
FREQ
WIDTH
LEVEL
0
400
0
6
200
600
10
100
900
3
.3
30
-12
+12
CLIP
70
1.5k
-15
+15
dB
HZ
OCT
dB
WIDTH
LEVEL
0
12k
PWR
3
.3
-15
+15
OCT
dB
OWNERS MANUAL
FREQ
WIDTH
800
300
1.1k
166
1.8k
3
.3
150
3k
-15
HZ
OCT

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Summary of Contents for Rolls RPQ160

  • Page 1 (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...
  • Page 2 INTRODUCTION Thank you for your purchasing the RPQ160 Parametric Equalizer. The RPQ160 uses T filters for equalization circuits to avoid the complexity and distortion of state-variable filters. The RPQ160 is a four-band parametric equalizer designed for years of reliable use. Please read this manual carefully to get the best results from your RPQ160.
  • Page 3 500 Hz down to 16Hz for the entire output of the RPQ160. HIGH SHELF: Low Pass Filter control; adjusts the amount of high frequency rolloff from 1 kHz up to 20 kHz for the entire output of the RPQ160. NOTE: THERE IS NO BYPASS SWITCH FOR THE LOW OR HIGH SHELF...
  • Page 4 Low Shelf cuts the frequencies 3 dB at the control’s indicated setting and rolls off below, and the High Shelf cuts the frequencies 3 dB at the indicated setting and rolls of above. The Low Shelf Sweep Diagram shows the response curve of the Low Self filter at its minimum and maximum setting.

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