TSL MPA1-AS User manual

MPA1-AS
Active Loudspeaker
Unit
Handbook
TSL
Vanwall Road, Maidenhead, Berkshire, SL6 4UB
Telephone [phone], FAX [phone]
676299

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EC DECLARATION OF CONFORMITY
Application of Council Directives Nos:
EC Low Voltage Directive (73/23/EEC)(OJ L76 26.3.73)(LVD).
Amendment: (93/68/EEC) (OJ L220 30.8.93).
Conformity Standards Declared:
EN 60950
EMC Directive: 89/336/EEC, Amended 92/31/EEC.
Conformity Standards Declared:
EN 50081-1: 1992- EMC- Generic Emissions, Part 1.
EN 50082-1: 1997- EMC- Generic Immunity, Part 1.
EN61000-3-2: 1995- Current Harmonic Emissions.
EN61000-3-3: 1995- Voltage Fluctuations & Flicker.
Manufacturer’s Name: Television Systems Ltd
Manufacturer’s Address: Vanwall Road
Maidenhead SL6 4UB
England
United Kingdom
Type of Equipment: Powered Loudspeaker Unit
Model No: MPA1-AS
Part Number: TSLP- MPA1-AS
Date CE Mark Affixed: 4/2/08
I, the undersigned, declare that the equipment specified above conforms to the
quoted Directives and Standards.
Place: Maidenhead, England Signature:
Date: Print: R CHAMBERS
Position: PRODUCT MANAGER

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Installation.
Unless otherwise stated TSL equipment may be installed at any angle or
position within an operating temperature range of 5°- 30°C .
All TSL equipment conforms to the EC Low Voltage Directive:
EC Low Voltage Directive (73/23/EEC)(OJ L76 26.3.73)(LVD).
Amendment: (93/68/EEC) (OJ L220 30.8.93).
In all cases the frame of the equipment must be earthed on installation.
The earth pin on the IEC mains inlet connector is connected to the metal
frame of the equipment, to 0 volts on the internal DC PSU and to signal
ground, unless otherwise stated. All metal panels are bonded together.
Check that the voltage selector setting (if fitted) and the fuse rating is
correct for the local mains supply.

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WARRANTY, MAINTENANCE AND REPAIR
All TSL equipment is guaranteed for one year from the date of delivery to
the customer’s premises. If the equipment is to be stored for a significant
period, please contact TSL concerning a possible extended warranty
period.
Failure during warranty
If any TSL product should fail or become faulty within the warranty period,
first please check the PSU fuses.
All maintenance work must be carried out by trained and competent
personnel.
If equipment has to be returned to TSL for repair or re-alignment, please
observe the following overleaf:

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TSL Returns Procedure
Please telephone [phone] (Fax: [phone]) and
ask for Sales who will provide a Returns Number. This will enable us to
track the unit effectively and will provide some information prior to the unit
arriving.
For each item, this unique Returns Number must be included with the
Fault Report sent with the unit.
A contact name and telephone number are also required with the Fault
Report sent with the unit.
Fault report details required.
•Company:
•Name:
•Address:
•Contact Name:
•Telephone No:
•Returns Number:
•Symptoms of the fault (to include switch setting positions, input signals
etc):
Packing
Please ensure that the unit is well packed as all mechanical damage is
chargeable. TSL recommends that you insure your equipment for transit
damage.
The original packaging, when available, should always be used when
returning equipment.
If returned equipment is received in a damaged condition, the
damage should be reported both to TSL and the carrier immediately.

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Contents
1.0 Introduction
2.0 Front Panel Controls
2.1 Volume control
2.2 Input select
3.0 General Notes
4.0 Specifications

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1.0 Introduction
The MPA1-AS is a 1RU x 200mm deep active loudspeaker unit with two
switched analogue inputs intended for use as a close field monitor.
The following features are standard:
•Two switch selectable stereo analogue inputs.
•Headphone output with automatic loudspeaker muting
2.0 Front Panel Controls
2.1 Volume Control
Note: Please ensure that this control is fully counter clockwise
BEFORE using the headphones.
2.2 Input Selection, push switch
1 – 2 Stereo analogue I/Ps. A1 (Left Channel) and
A2 (Right Channel). Input 1, switch out and input 2 switch in.
3.0 General Notes
•Please note that some American equipment has the function
of the XLR pins 2 & 3 reversed.
•TSL product is wired to the European standard.
•It is recommended that the unit is secured into a rack for
optimum performance.

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4.0
MPA1-AS Technical Specifications
Power Supply
Supply Voltage 12v DC
Power Consumption Less than 30 Watts
Physical Dimensions
Height 44mm (1RU)
Width 19” Rack Mount
Depth 200mm
Weight 6 kgm
Analogue Inputs 1 and 2
Connector Type XLR Female 3 pin. Pin 1 Ground, Pin 2 hot,
Pin3cold.
Signal Balanced line level audio.
Impedance >20kΩ
Headphone Output
Connector Stereo jack socket (A gauge)
Impedance 400 ohm
Output Through level control with 0 dB gain
Performance
Response 120Hz to 20KHz
Electrical Distortion Better than 0.1%
Hum and noise Better than -80dB
SPL >85dB at 0.6 m
Total Power Output 20 watts P-P

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