Instrukcja obsługi Adastra RS240

Adastra odbiornik RS240

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RS SERIES
Rackmount 100V slave amplifiers
Item ref: 953.120UK, 953.121UK, 953.12 2UK
User Manual
Version 1 .1
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
RS Series User Manual
Introduction
Thank you for choosing the Adastra RS-series rackmount slave amplifier as part of your public address system. This amplifier is 100V
designed to offer high quality, dependable service for mobile and installed systems. Please read this manual fully and follow the
instructions to achieve the best results with your new purchase and to avoid damage through misuse.
Warning
To prevent the risk of fire or electric shock, do not expose any components to rain or moisture.
If liquids are spilled on the casing, stop using immediately, allow unit to dry out and have checked by qualified personnel before
further use. Avoid impact, extreme pressure or heavy vibration to the case
No user-serviceable parts inside. Do not open. Refer all servicing to qualified service personnel.
Safety
• Check for correct mains voltage and condition of IEC lead before connecting to power outlet
• Use double insulated speaker wire with adequate current rating for 100V speaker connections
• Do not use 8Ω and 100V terminals at the same time
• Do not allow any foreign objects to enter the case or through the ventilation grilles
Placement
• Keep out of direct sunlight and away from heat sources
• Keep away from damp or dusty environments
• For rack-mounting, ensure adequate support for the weight of the amplifier
• Ensure adequate air-flow and access to controls and connections
Cleaning
• Use a soft cloth with a neutral detergent to clean the casing as required Do not use strong solvents..
• Use a vacuum cleaner to clear ventilation grilles of any dust or debris build-ups
Front panel
Rear panel
1.
MASTER volume control
2.
POWER, SIGNAL, PEAK LED indicators
3.
Power switch
4.
Ventilation grille - do not cover
9.
5.
Mains power voltage switch
10.
6.
IEC mains power inlet & fuse holder
11.
7.
24Vdc power connection (not RS360)
12.
8.
COM speaker terminal
RS Series User Manual
Connection and setup
Connect the rear IEC inlet (6 to the mains using the supplied mains lead (or an equivalent approved type). Ensure that )
the voltage is correct as indicated on the voltage selector (5) and that the mains outlet is switched on.
Alternatively, the RS120 and RS240 can be powered by a V battery, such as a lorry or boat battery, by connecting the 24
“+” and “ ” of the batt- ery to the Vdc INPUT (7) on the rear panel. Ensure that DC cables are capable of handling the 24
current ( A min. recommended) 10
The RS series amplifiers are intended to be fed from a mixer or mixer-amplifier signal output, providing additional power
amplification for 100V speaker systems. The signal input should be connected to the SLAVE IN dual RCA connectors (12)
on the rear panel. The RS series slave amplifiers are mono, so any stereo input signals will be summed together to
provide a monaural output. rther slave amplifiers can be connected from the rear SLAVE OUT RCA sockets (11), Fu
allowing banks of amplifiers to operate together in large public address systems.
Speaker outputs
The RS series slave amplifiers can be used either as 100V line amplifiers or standard low impedance power amplifiers.
These 2 configurations cannot be used together, so it is important to decide which method will be used at the start.
100V line systems
For 100V line systems, connect the amplifier to the first speaker in the system using double-insulated speaker wire which
has adequate current rating to handle the total output of the amplifier.
C 0 output terminal to the positive (+) connection of the speaker a output (8 to the onnect the “100V” (1 ) nd “COM” )
negative (-) connection of the speaker. Connect further speakers in parallel to the first speaker with all positive terminals
and connected together and all negative terminals connected together as shown below.
A 100V line speaker system can comprise of many speakers connected together. The determining factor for how many
speakers can be used on a single amplifier is the power rating. For most purposes, it is advised to connect as many
speakers as needed with a combined wattag t power rating. e of no more than 90% of the amplifier’s outpu
The terminals of a 100V speaker are connected to a transformer and in some cases, this transformer may be “tapped” for
different power ratings. These tappings can be used to adjust the wattage (and output volume) of each speaker in the
system to help achieve the ideal total power of the system for the amplifier.
Low impedance systems
The series slave amplifiers can provide an output for a single 8 8 (9) to the RS Ω speaker by connecting the “ Ω” output
positive (+) speaker connection and “COM” output (8 to the negative (-) speaker connection. It is important to ensure )
that the speaker load is no less than 8 equal to or greater than the Ω and that the power handling of the speaker is
output power of the amplifier.

Specyfikacje produktu

Marka: Adastra
Kategoria: odbiornik
Model: RS240

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