Rolls RP221 User Manual
RP221
Bottom Feeder
Crossover / Sonic exciter
ROLLS CORPORATION
SALT LAKE CITY, UTAH
5/04
12 VDC
INPUT LEVEL
000
ACTIVE
clip
20
MADE IN
USA
SERIAL NUMBER
221-
BOTTOM DEFINITION XOVER FREQ
- + - +
SUB
HIGH
OUT
OUTPUT
30
LEFT
RIGHT
558090
40
27
Hz 0
25
LOOP
THRU
140
OWNERS MANUAL
SUB OCTAVE
SYNTH LEVEL
100
120
130
INPUT
0
SUB
LEVEL
10 10dB
MODEL RP221
pwr
RP221
INTRODUCTION
Congratulations and thank you for your purchase of the RP221 Bottom Feeder Crossover, sub-sonic synthisizer, and Sonic Exciter. The outputs are not only
separate high and low frequencies, but enhanced for crystal clear highs and lows
worthy of Richter scale measurements. You’ve now got complete control over the
tone of your sound.
Please review this manual carefully as it contains the information necessary for
the proper setup and operation of your new RP221 Bottom Feeder.
THE ROLLS SONIC EXCITER - SCE PROCESSING
The human ear can detect a frequency range of roughly 20Hz to 20kHz. However,
the frequency response that a normal speaker can effectively reproduce is much,
much less. Additionally, speakers add distortion and phase changes that make the
sound quite different from that of the original material.
A sonic exciter restores clarity and presence to the processed signal by correcting
phase changes and harmonic structure differences. In other words, it puts the
components of the sound back where they belong.
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,
All of this magic is done by the use of all-pass filtering, frequency compensated
gain adjustment, and compensated frequency domain delay. What this means to
you is the elements of your sound are fanned out like a deck of cards, making
each sound more audible and distinct, reducing the need for high volume and
radical equalizer adjustment.
TABLE OF CONTENTS
Introduction 1
Table of Contents 1
Inspection 2
Specifications 2
Descriptions
Front Panel 3
Rear Panel 3
Connection 4
Operation 4
Schematic 5
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.
Warranty 6
1 6
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