ART SLA-2 User Manual
The ART
SLA-2 Studio Linear Amplifier
TABLE OF CONTENTS
Safety Precautions ....................................................................................... 2-3
Introduction .................................................................................................... 4
Installation ...................................................................................................... 5
AC Power Hookup ....................................................................................... 5
Audio Connections ...................................................................................... 5
Security Cover............................................................................................... 6
Controls and Indicators ................................................................................. 7
Power Switch ............................................................................................... 7
Channel Attenuators ................................................................................... 7
Signal LED Indicator ................................................................................... 7
Clip LED Indicator ....................................................................................... 7
Protect LED Indicator .................................................................................. 8
Rear Panel Connections ............................................................................... 9
¼” Input Jacks.............................................................................................. 9
XLR Input Jacks ........................................................................................ 10
EuroBlock Barrier Strip................................................................................ 10
Amp Mode Switch ..................................................................................... 10
Output Binding Post ............................................................................. 10-11
SmartFan™ ............................................................................................... 11
Fuse .......................................................................................................... 11
AC Power Input ......................................................................................... 11
Ground Lift Switch ..................................................................................... 12
Operation ................................................................................................. 12-13
Warranty Information .................................................................................. 14
Service .......................................................................................................... 15
SLA-2 Specifications ................................................................................... 16
IMPORTANT SAFETY INSTRUCTION – READ FIRST
This symbol, whenever it appears, This symbol, wherever it appears, alerts
alerts you to the presence of uninsulated you to important operating and maintenance
dangerous voltage inside the enclosure-voltage instructions in the accompanying literature.
that may be sufficient to constitute a risk of shock. Read manual.
Read instructions:
Retain these safety and operating instructions for future reference. Heed all warnings printed here and on the equipment.
Follow the operating instructions printed in this user guide.
Do not open:
There are no user serviceable parts inside. Refer any service work to qualified technical personnel only.
Power sources:
Connect the unit to mains power only of the type described in this user guide or marked on the rear panel. The power
source must provide a good ground connection.
Power cord:
Use the power cord with sealed mains plug appropriate for your local main supply as provided with the equipment. If the
provided plug does not fit into you outlet consult your service agent. Route the power cord so that it is not likely to be
walked on, stretched or pinched by items placed upon or against.
Grounding:
Do not defeat the grounding and polarization means of the power cord plug. Do not remove or tamper with the ground
connection on the power cord.
Ventilation:
Do not obstruct the ventilation slots or position the unit where the air required for ventilation is impeded. If the unit is to be
operated in a rack, case or other furniture ensure that it is constructed to allow adequate ventilation.
Moisture:
To reduce the risk of fire or electrical shock do not expose the unit to rain, moisture or use in damp or wet conditions. Do
not place container of liquid on it, which may spill into any openings.
Heat:
Do not locate the unit in a place close to excessive heat or direct sunlight, as this could be a fire hazard. Locate the unit
away from any equipment, which produces heat such as: power supplies, power amplifiers and heaters.
Environment:
Protect from excessive dirt, dust, heat, and vibration when operating and storing. Avoid tobacco ash, drink spillage and
smoke, especially that associated with smoke machines.
Handling:
To prevent damage to the controls and cosmetics avoid rough handling and excessive vibration. Protect the controls from
damage during transit. Use adequate padding if you need to ship the unit. To avoid injury to yourself or damage to the
equipment take care when lifting, moving or carrying the unit.
Servicing:
Switch off the equipment and unplug the power cord immediately if it is exposed to moisture, spilled liquid, objects fallen
into opening, the power cord or plug becomes damaged during a lightning storm or if smoke odor or noise is noted. Refer
servicing to qualified technical personnel only.
Installation:
Install the unit in accordance with the instruction printed in the user guide.
2
SAFETY PRECAUTIONS
Warning: For optimum performance and reliability, do not operate the
amplifier with a speaker load of less than 4 Ohms per channel, or any
combination of speakers that together are less than 4 Ohms.
Using one speaker per channel, it must be rated at 4 or more Ohms.
Using two speakers per channel, they must each be rated at 8 Ohms,
or greater. When in bridge mode, the speaker should be rated at 8
Ohms, or greater.
Fill in the following information for your reference:
Date of purchase ___________________
Purchased from ___________________
SERIAL NUMBER ___________________
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INTRODUCTION
Thank you for purchasing an ART SLA-2 Studio Linear Amplifier - and
congratulations, you now own one of the most versatile amplifiers available.
Offering a superb level of sound quality, the SLA-2’s clean and powerful
circuitry combined with a straightforward user interface quickly and easily
delivers the power you need for professional and project studio monitoring.
FEATURES:
• Extremely low noise, discrete linear design
• 200 Watts/Channel @ 8 Ohms
• 560 Watts/Bridged Mono @ 8 Ohms
• Toroidal transformer
• 10 Hz to 40 kHz within 1dB
• XLR, Euroblock & ¼” Inputs
• Thermal dependent cooling system
• Multi-way binding post outputs
• Low profile 1U rack-mountable design
• All steel chassis
• Optional tamper-proof front panel security cover included
• Perfect for professional and project studios, and commercial
installations
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INSTALLATION
The SLA-2 may be used in a wide variety of project and professional
studio environments. Self-contained in a steel and aluminum
enclosure, the unit is designed for many years of use. For greater
reliability, we recommend that you not place the unit directly under or
on top of other sources of heat. It is important that any rack-mountable
unit is properly ventilated, and the SLA-2 is no exception.
AC POWER HOOKUP
The SLA-2 has an internal power supply designed to operate at 120
VAC @ 50 to 60 Hz. Units manufactured for use outside of North
America have been modified to comply with the required electrical
specifications.
AUDIO CONNECTIONS
Audio connections to and from the SLA-2 are balanced XLR [Pin 2 =
Hot (+), Pin 3 = Cold (-), Pin 1 = (Ground)] and balanced or
unbalanced ¼” [Tip = Hot (+), Ring = Cold (-), Sleeve = (Ground)].
EuroBlock connections: can be wired balance or unbalanced.
See diagram on page 10
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