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Adastra hi-fi system A14

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A14
Rackmount 2-Zone Amplifier with Dual Audio Players
Item ref: 953.414UK
User Manual
Version 1 .0
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
A14 User Manual
Introducti on
Thank you for choosing the Adastra A14 rackmount 2-zone amplifier for your sound system installation This amplifier is .
designed to offer high quality, reliable 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.
SAFETY SYMBOL AND MESSAGE CONVENTIONS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS
RISQUE DE CHOC ELECTRIQUE NE PAS
OUVRIR
This symbol indicates that dangerous voltage constituting a risk of electric shock is
present within this unit
This symbol indicates that there are important operating and maintenance instructions in
the literature accompanying this unit.
S ETY NOTICE AF
1. Prior to use, read through this manual
2. Keep the manual in good condition
3. Pay attention to safety warnings
4. Observe all operating requirements
5. Do not use the device near water or wet areas
6. For cleaning, only use a lint-free, dry cloth
7. Insta cording to the specifications ll ac
8. Place away from heat sources or heating appliances
9. Use mains lead provided and avoid damage to cable or connectors
10. Unplug power from mains during stormy weather or if unused for long periods
11. In case of malfunction, water ingress or other damage, consult qualified service personnel
12. Do not place in damp areas or near liquids or moisture. Do not spill liquids on the housing
13. Please pay attention to warning symbols during transit and placement
14. Terminals marked with the symbol HAZARDOUS LIVE and should only be connected by qualified personnel are
15. Ensure that the apparatus is connected to a mains socket with a protective EARTH connection
16. Ensure correct operation of the mains switch
Warning
To prevent the risk of fire or electric ock, do not expose any components to rain or moisture. sh
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 case the
No user serviceable parts inside Do not open the case refer all servicing to qualified service personnel. – –
Safety
• Check for correct mains voltage and condition of IEC lead before connecting to power outlet
• It is recommended to use speaker wire with a minimum current rating of 6A per output.
• 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, use the rack ears provided and ensure adequate support for the weight of the amplifier
• Rack ears may be rotated to mount this amplifier flat against a wall or beneath a work surface if preferred.
• Ensure adequate air-flow and do not cover cooling vents
• Ensure adequate access to controls and connections
Cleaning
• Use a soft cloth with a neutral detergent clean the casing as required to
• Use a vacuum cleaner to clear ventilation grilles of any dust or debris build-ups
• Do not use strong solvents for cleaning the unit
A14 User Manual
Front panel
1.
Power on/off switch
8 .
Zone A MEDIA player level
2.
AUX3 input (3.5mm stereo)
9 .
Zone A MASTER level
3.
M put (6.3mm) IC in
10.
Zone B media section (player B)
4.
MIC volume
11 .
Zone B BASS EQ
5.
Zone A media section (player A)
12 .
Zone B TREBLE EQ
6.
Zone A BASS EQ
13 .
Zone B MEDIA player level
7.
Zone A TREBLE EQ
14 .
Zone B MASTER level
Rear panel
15.
FM antenna connection (F type)
19.
Zone B Speaker Outputs (L+R terminals)
16.
MIC input (6.3mm parallel with front panel)
20 .
Zone A Speaker Outputs (L+R terminals)
17.
LINE OUTPUTs (2 x L+R RCA)
21.
IEC mains inlet & fuse holder
18.
LINE Ts (3 x L+R RCA) INPU
Speaker connections
The A has 4 speaker output channels which are divided into 2 stereo zones, A and B (14 20, 19)
When connecting speakers, connect “–” to the “– “+” to the “+” ” output terminal and output terminal.
Connect speakers with a combined impedance of no lower than 4 (4 Ohms) to each output channel. Ω
• If the speakers are 8 peda , you can connect up to 2 speakers in parallel to each channel. Ωim nce
• If the speakers are 16 pedance, you can connect up to 4 speakers in parallel to each channel. Ωim
Some example wiring diagrams are shown
opposite with speakers connected in
parallel.
The impedance mea, sured in “Ohms” (Ω)
will also determine the power output.
The amplifier delivers its maximum power
output at the minimum impedance (4Ω).
Higher impedances give a lower output.
• Note: Some speakers have 4 Ω
impedance in which case connect ,
only 1 speaker to each channel.
The combined load on each output shares the power from the amplifier. If the amplifier is delivering 100W to
2 speakers connected in parallel with the same impedance, they must each be capable of handling 50W.

Produktspecifikationer

Varumärke: Adastra
Kategori: hi-fi system
Modell: A14

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