Download Rolls RA170 User's Manual

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 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 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 MERCHANTABILITY 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
6/99
RA170
70 VOLT / 70 WATT POWER
AMPLIFIER
VOLUME
PWR
CLIP
CLIP
OWNERS MANUAL
INTRODUCTION
INSTALLATION
Thank you for your purchase of the ROLLS RA170 70 Volt / 70 Watt Power
Amplifier. The RA170 is a virtually indestructible single rack space amplifier
intended for the contractor and install market. It requires no transformer coupling
to drive 70 volt speakers directly. The mono unit features both RCA and 1/4”
inputs. The 70 volt speaker outputs are provided via spring-loaded terminals.
Mount the RA170 in a safe and sturdy rack. Connect the output of the signal
source to the selected input of the RA170. Connect the 70V Output terminals to
the 70 volt speakers.
Plug the AC cord into a properly grounded AC outlet.
Send signal to the RA170 and adjust the VOLUME control for a comfortable
listening level.
DESCRIPTION
SPECIFICATIONS
Recommended Load:
Frequency Response:
Equiv. Input Noise:
FRONT PANEL
VOLUME
PWR
CLIP
CLIP
VOLUME: This control adjusts the output level of the RA170.
PWR: LED indicating the unit’s power status.
CLIP: These LEDs light in the event of RA170 circuit overload.
REAR PANEL
S/N Ratio:
Gain:
Input Impedance:
Size (W x H x D):
Weight:
SCHEMATIC
SPARE
SERIAL NUMBER
170-
70V OUTPUT
MADE IN U.S.A.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
C 3
R C A P C
J 1 A
CAUTION
EQUIPMENT TO RAIN OR MOISTURE.
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT NOT REMOVE BACK.
NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
RISQUE DE CHOC - NE PAS ENLEVER
1 U R A 2 3 5
P 1
WARNING: DO NOT EXPOSE THIS
MAIN INPUTS
C H A N N E L 1
120 VAC 50/60 HZ 15 VA: Power Cord. Connect to a properly grounded AC
source.
P 1 0 0 K
P H O N E 1 /4
J 2
V+
1
1
R 2
1 K
IN
S E R IE S W /O U T P U T S R A 1 7 0 O N L Y
4 7 0 U
R 5
1 0 K
C
4 7 0 U
R E D
C
4 7 0 U
4 7 0 U
C
B L K
1 H D R 2
A
1
A
R 4
1 K
R
4 7 K
C 6
4 7 U
P 2
C H A N N E L 2
V+
R 8
1 K
R 7
1 0 K
P 1 0 0 K
P H O N E 1 /4
J 3
MAIN INPUTS: 1/4” and RCA jacks to be connected to line level signal to be
amplified. Note: Do not use both jacks simultaneously as both jacks are tied
directly together.
R 3
4 7 K
R A 1 7 0 O N L Y
C 7
1 U
SPARE: 1/4” and RCA jacks. These are not connected.
7
7
8
8
2 7 P F
0 .7 u H
C L IP
H D R 2
R C A P C
J 1 B
R A 2 3 5 O N L Y
L M 3 8 7 5
C 5
L 1
D 2
L D R R
R 6
1 K
U 1
3
3
4
4
V-
C 4
2 2 0 P F
C
70V Output: Spring loaded terminals to be connected to 70 Volt speaker connections. No special transformers are required.
.1 U F R A 1 7 0
R 1
1 0 K
1
1
3
3
4
4
2 2 0 P F
V-
C 8
U 2
L M 3 8 7 5
7
7
8
8
C 9
R 1 1
1 0 K
R E D
BURN WARNING!
THE FRONT PANEL OF THE RA170 IS THE HEAT DISTRIBUTION FOR THE
OUTPUT STAGE. IF THE UNIT IS OPERATED AT HIGH VOLUMES, IT MAY
GET HOT.
B L K
3
S W 1
A C
S W
2
S P S T
1A
H D R 2
1
H D R 2
A
R 1 2
1 K
L 2
2 7 P F
0 .7 u H
C L IP
R 9
1 K
R 1 0
4 7 K
D 3
L D R R
C 1 0
4 7 U
R A 2 3 5 O N L Y
V+
T 1
2 -0 0 -4 8 8 0
C P 8 0 1 0
4
MODEL RA170
2
B R 1
1
A C P L U G
R 1 3
C 2
4 7 0 0 U F
C 1 1
5 0 3
3
120 VAC
50/60 Hz 15 VA
70 Volt line (70 Watts maximum)
70Hz to 20 kHz
100 µV typical, A weighted
600 Ω input
114 dB @ 70 Watts
40 dB
47 k Ω
19" x 1.75" x 5" (48 x 4.5 x 12.7)
5.5 lbs (2.5 kg)
2 2 K
D 1
L D R R
1
C 1
4 7 0 0 U F
C 1 3
5 0 3
V-
C 1 2
5 0 3
R O L L S C O R P O R A T IO N
5 1 4 3 S o u th M a in S tr e e t
S a lt L a k e C ity , U T 8 4 1 0 7
T itle : R A 1 7 0 / R A 2 3 5 P O W E R A M P L IF IE R S
Document Number:
R e v B
R A 2 3 5 .S C H
Ba
Date: 11-May-1999
Sheet 1 of 1
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