Russound ALT-70V-50 Manual

Russound Ikke kategoriseret ALT-70V-50

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Side 1/5
Intruduction
Thank you for purchasing the ALT-70V-50 volume control
from Russound. The ALT-70V-50 is designed to work
with commercial audio systems using either 70V or 100V
amplication. It’s manufactured with a high-quality
autoformer design for long life, excellent frequency response,
low heat build-up, in an easy-to-install package
Considerations
Amplier Type – The ALT-70V-50 can only be used with 70V or
100V ampliers Wattage Rating – The maximum wattage for
speakers being controlled by the ALT-70V-50 is 50 watts. For
example, if controlling 4 speakers tapped at 7.5 watts each,
the total would be 30 watts which is acceptable. If those
same 4 speakers were tapped at 15 watts each, the total
would be 60 watts and this would exceed the power rating of
this volume control.
Installation Location – The ALT-70V-50 is designed for
indoor use but may be installed outdoors if used with a
properly designed weatherproof device cover.
ALT-70V-50
Volume Control
Installation Manual
Specications
Power Handling: Up to 50 Watts total
Number of Steps: 11
Wire Gauge: Up to 12 ga AWG
Insertion Loss: <0.5 dB
Included Colors: White, light almond, ivory
Fits 1 Gang UL/CSA Approved 18 ci Junction Box
Wiring a single speaker
Wiring a multiple speakers
IN
OUTGROUND
Amplier
Speaker OUT
Volume Control Speaker IN
COM 25 70 100
IN
OUTGROUND
Amplier
Speaker OUT
Volume Control Speaker IN
COM 25 70 100
Speaker IN Speaker IN Speaker IN
Installation
Type of Speaker Cable
Wiring speakers for 70V/100V systems is simple and easy.
A single run of 2-conductor, stranded wire is run to every
speaker location leaving a small loop (2-3 feet is usually more
than sucient depending on the speakers and their mounting
type) at each speaker location. You can place additional loops
for future expansion or for making speaker location changes
if needed.
Note: This is very dierent from typical low-impedance wiring
used for residential audio installations where a dedicated run
of wire goes from each speaker back to the amplier/receiver.
70V/100V wiring uses much less wire and the wire used can
be a much higher gauge (thinner wire) even though it is used
in a longer run.
Here is a chart showing some of the dierences possible
among wire lengths for both low impedance (4Ω-8Ω) and
high impedance (70V/100V) systems:
Note: Unlike traditional residential audio, 70V/100V systems
are typically run in mono sound so that only a single two-
conductor wire run is necessary for the speakers. If you
want to use multiple wire runs for zoning speakers or other
purposes, each 2-conductor wire needs to be independently
run back to its own amplier or amplier terminals if using a
multi-channel amplier.
When using a volume control with 70V speakers, the volume
control will control all speakers that are wired to the “Out”
connections of the volume control. Because of the parallel
wiring used for 70V/100V systems, it is possible to have speakers
on a wire run that are controlled by the volume control and
speakers that are not. It is also possible to use more than one
volume control so that “zones” can be congured easily with
dierent volume control levels in each zone.
Speaker Cable Length for Various Gauges at Low and High Impedance
Power Loss in Cable (% Loss & dB Loss)
8 Ohm Speakers 70V Speakers
11% 21% 50% 11% 21% 50%
0.5 dB 1 dB 3 dB 0.5 dB 1 dB 3 dB
554’
169m
1141’
348m
3859’
1.2km
2.6mi
4.14km
5.3mi
8.5km
18mi
29km
349’
106m
718’
219m
2428’
740m
1.6 mi
2.6km
3.4 mi
5.5km
11.3 mi
18.1km
219’
67m
452’
138m
1528’
466m
1mile
1.6km
2mi
3.4km
7mi
11.4km
138’
42m
284’
87m
959’
292m
3376’
1km
1.3 mi
2.1km
4.5mi
7.2km
87’
27m
179’
55m
604’
184m
2127’
648m
4380’
1.3km
2.8mi
4.5km
53’
16m
110’
38m
371’
113m
1305’
398m
2687’
819m
1.7mi
2.8km
34’
10m
69’
21m
234’
71m
823’
251m
1694’
516m
1mi
1.75km
21’
6m
44’
13m
147’
45m
518’
158m
1068’
331m
3610’
1.1km
13’
4m
27’
8m
91’
28m
321’
98m
661’
201m
2234’
681m
8’
2m
17’
5m
57’
17m
202’
62m
417’
127m
1409’
429m
AWG
6
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10
12
14
16
18
20
22
24
Warranty
The Russound ALT-70V-50 Volume Control is guaranteed against all
defects in materials and workmanship for two (2) years from the date
of purchase. During this period, Russound will replace any defective
parts and correct any defect in workmanship without charge for
either parts or labor.
For this warranty to apply, the unit must be installed and used
according to its written instructions. If service is necessary, it must
be performed by Russound. The unit must be returned to Russound
at the owner’s expense and with prior written permission. Accidental
damage and shipping damage are not considered defects, nor is
damage resulting from abuse or from servicing by an agency or
person not specically authorized in writing by Russound.
This Warranty does not cover:
• Damage caused by abuse, accident, misuse, negligence, or
improper installation or operation
• Power surges and lightning strikes
• Normal wear and maintenance
• Products that have been altered or modied
• Any product whose identifying number, decal, serial number, etc.
has been altered, defaced or removed.
Russound sells products only through authorized Dealers and
Distributors to ensure that customers obtain proper support and
service. Any Russound product purchased from an unauthorized
dealer or other source, including retailers, mail order sellers and
online sellers will not be honored or serviced under existing
Russound warranty policy. Any sale of products by an unauthorized
source or other manner not authorized by Russound shall void the
warranty on the applicable product.
Damage to or destruction of components due to application of
excessive power voids the warranty on those parts. In these cases,
repairs will be made on the basis of the retail value of the parts and
labor. To return for repairs, the unit must be shipped to Russound
at the owner’s expense, along with a note explaining the nature of
service required. Be sure to pack the unit in a corrugated container
with at least three (3) inches of resilient material to protect the unit
from damage in transit.
Before returning a unit for repair, call Russound at (603) 659-5170 for
a Return Authorization number. Write this number on the shipping
label and ship to:
Russound ATTN: Service, 1 Forbes Road, Newmarket, NH 03857
Due to continual eorts to improve product quality as new
technology and techniques become available, Russound/FMP, Inc.
reserves the right to revise system specications without notice.
©2016 Russound. All rights reserved.
All trademarks are the property of their respective owners.
Specications are subject to change without notice. Russound is
not responsible for typographical errors or omissions.
Russound, Inc.
1 Forbes Road, Newmarket, NH 03857
tel 603.659.5170 • fax 603.659.5388
email: tech@russound.com www.russound.com
10.21.16

Produkt Specifikationer

Mærke: Russound
Kategori: Ikke kategoriseret
Model: ALT-70V-50

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