IMPORTANT SAFETY INSTRUCTIONS
The lightning ash with arrowhead symbol, within an
equilateral triangle is intended to alert the user to the presence
of uninsulated “dangerous voltage“ within the product’s
enclosure that may be of sufcient magnitude to constitute a
risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended
to alert the user to the presence of important operating
and maintenance (servicing) instructions in the literature
accompanying the appliance.
The asterisk within an equilateral triangle is intended to inform the
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturers instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including ampliers) that
produce heat.
9. Do not defeat the safety purpose
the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for
your safety. If the provided plug does not t into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where
they exit from the apparatus.
11. Only use attachments/accessories specied by the manufacturer.
12. Unplug this apparatus during lightning storms or when unused for long periods of time.
13. Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged in any way, such
as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has
been exposed to rain or moisture, does not operate normally, or has been dropped
14. To completely disconnect AC power from this apparatus, the power supply cord must be unplugged.
15. Do not expose this apparatus to dripping or splashing and ensure that no objects lled with liquids, such as vases, are placed
on this apparatus.
16. The AC plug of the power supply cord shall remain readily operable.
of the polarized or grounding-type plug. A polarized plug has two blades with one wider than
user to necessary installation or removal instructions regarding
equipment or hardware use relating to the system.
Management of WEEE (waste electrical and electronic equipment) (applicable in Member States of the European
Union and other European countries with individual national policies on the management of WEEE) The symbol
on the product or on its packaging indicates that this product may not be treated as regular household waste, but
has to be disposed through returning it at a Telex dealer.
IMPORTANT SERVICE INSTRUCTIONS
CAUTION: These servicing instructions are for use by qualied personnel only. To reduce the risk of
electric shock, do not perform any servicing other than that contained in the Operating
Instructions unless you are qualied to do so. Refer all servicing to qualied service personnel.
1. Security regulations as stated in the EN 60065 (VDE 0860 / IEC 65) and the CSA E65 - 94 have to be obeyed when
servicing the appliance.
2. Use of a mains separator transformer is mandatory during maintenance while the appliance is opened, needs to be
operated and is connected to the mains.
3. Switch off the power before retrotting any extensions, changing the mains voltage or the output voltage.
4. The minimum distance between parts carrying mains voltage and any accessible metal piece (metal enclosure),
respectively between the mains poles has to be 3 mm and needs to be minded at all times. The minimum distance
between parts carrying mains voltage and any switches or breakers that are not connected to the mains (secondary
parts) has to be 6 mm and needs to be minded at all times.
5. Replacing special components that are marked in the circuit diagram using the security symbol (Note) is only
permissible when using original parts.
6. Altering the circuitry without prior consent or advice is not legitimate.
7. Any work security regulations that are applicable at the location where the appliance is being serviced have to be
strictly obeyed. This applies also to any regulations about the work place itself.
8. All instructions concerning the handling of MOS - circuits have to be observed.
SAFETY COMPONENT ( MUST BE REPLACED BY ORIGINAL PART )NOTE:
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Important Safety and Service Instructions ...................................................2
System Description ..................................................................................... 4
Safety First ................................................................................................. 5
System Setup ............................................................................................. 6
Amplier Controls ....................................................................................... 7
FCC Information ........................................................................................ 8
Specications ............................................................................................. 9
Dimensions ................................................................................................ 9
Block Diagram ........................................................................................... 10
Frequency Response ................................................................................ .10
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SYSTEM DESCRIPTION
Thank you for choosing the Electro-Voice® SB2A loudspeaker system. Please take time to consult
this manual so that you can understand all the features built into your EV system and fully utilize
all its performance capabilities.
The Electro-Voice SB2A powered subwoofer is a fully integrated audio system with carefully matched
electronics and transducers. This product makes it easy to setup a high quality sound system quickly
with a minimum amount of cables and external electronics.
The additional speaker output is useful to connect either a second subwoofer (e.g. SB122) or a
fullrange cabinet (e.g. Zx1, Sx80, or Sx300).
System Features – SB2A
• Integrated Amplier with 350W for Internal Woofer and 350W for Optional External Speaker
• Selectable Speakon® Output for Additional Sub or Fullrange System
• XLR and 1/4“ TRS Input Connector
• XLR Parallel Output Connector
• LED Indicators for Signal and Limit
• Lockable IEC Mains Connector
• Easy Fullrange System Setup with Optional Zx1, Sx80 or Sx300
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