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Martin Audio – MA1.3s Amplifier

E

NGLISH

15

11

 

WARRANTY

General

The MA 1.3s Power amplifier is warranted to be free from defects in components and factory workmanship under
normal use and service, for a period of 

three

 year

s

 from the date of original purchase. During this warranty period

MARTIN AUDIO LTD or it's nominated agents, will undertake to repair, or at it's discretion, replace this product at
no charge to it's owner, when failing to perform as specified, providing the unit is returned undamaged, in it's
original packaging, shipping prepaid, to the factory, distributor or authorised service facility.

This warranty shall be null and void, if the product is subjected to:
1)

Repair work or alteration by persons other than those authorised by MARTIN AUDIO LTD
or it's agents

2)

Shipping accidents, act of god, war, civil insurrection, misuse, abuse, operation with incorrect AC voltage,
operation with faulty associated equipment, exposure to inclement weather conditions and normal wear
and tear. Units on which the serial number has been removed or defaced will not be eligible for warranty
service.

3)

MARTIN AUDIO LTD shall not be responsible for any incidental or consequential damages, with respect to
the products warranted

MARTIN AUDIO LTD reserve the right to make changes or improvements in design or manufacturing, without
assuming any obligation to change or improve products previously manufactured

This warranty is exclusive and no other warranty is expressed or implied.
This warranty does not affect your statutory rights

International

Please contact your supplier for this information, as rights and disclaimers may vary from country to country.

Technical assistance and services

International

If your Martin Audio product needs repair, contact your Martin Audio dealer or distributor, or contact martin Audio
by fax or email to obtain the location of the nearest authorized service facility.
TELEPHONE: + 44 (0) 1494 535312
FAX: + 44 (0) 1494 438669
E-mail: 

[email protected]

www

.martin-audio.com

All material © 2007. Martin Audio Ltd. Subject to change without notice.

CONTENTS

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GUIDES

Summary of Contents for MA1.3s

Page 1: ...M MODE 7 5 3 4 BRIDGE MONO MODE 7 5 3 5 BRIDGE MONO MODE FEATURES 7 6 INSTALLATION 8 6 1 MOUNTING 8 6 2 COOLING 8 6 3 OPERATING VOLTAGE 8 6 4 DENMARK 9 6 5 GROUNDING 9 6 6 POWER CONSUMPTION 9 6 7 CALC...

Page 2: ...ons 1 Keep this manual for future reference 2 Do not operate the amplifier if liquid ingress is suspected 3 Do not stand water or any other liquid on or near the amplifier 4 Do not use this amplifier...

Page 3: ...the amplifier s front panel attenuator s to reduce the gain it is still possible to reach full output power if the input signal level is high enough 3 5 2 Loudspeaker output hazard Power amplifiers ar...

Page 4: ...he signal level entering the amplifier They are calibrated in dB s to assist the setup of active loudspeaker systems See page 12 3 Protect indicator LED This indicator illuminates if the amplifier att...

Page 5: ...s hot see page 10 4 Link Input XLR male connector connected in parallel to the female for linking the channel to another input 5 Gain switch channel B Three of the switches in the DIP switch selects t...

Page 6: ...power output 1 thd 1KHz sine wave 5 1 3 Options As the DIP switch is recessed a sticker can be placed across the cut out to prevent unauthorized tampering Another option is to remove the DIP switch T...

Page 7: ...edance of the load must be more than 3 ohms Set the Link bridge switches to the ON position UP and use either of the input connectors A or B You can use the remaining input connectors to carry a paral...

Page 8: ...he heat sink temperature rises too high sensing circuits will mute the hot channel If the power supply overheats another sensing circuit will mute both output channels until they cool down to a safe o...

Page 9: ...rmine the power current consumption of the amplifier First the peak current draw at full output power Under this condition the power amplifier will operate for less than 2 minutes before thermally lim...

Page 10: ...EAT POWER 1 3 POWER 1 8 POWER 1 3 POWER 1 8 POWER 1 3 POWER 1 8 POWER WATTS Kcal hour BTU hour 8 Ohm 397 313 340 270 1350 1070 4 Ohm 687 538 590 460 2340 1840 2 Ohm 1242 910 1070 780 4240 3110 1 3 Pow...

Page 11: ...connected you will lose 6 dB A better method for using unbalanced sources is shown in Figure 8 This is similar to the connection for balanced lines but pin 3 is connected to the shield at the source T...

Page 12: ...g voltage and power consumption Make sure that the operating mode switches on the rear panel gain link bridge and clip limiters are in the correct position See page 6 about operating modes page 13 abo...

Page 13: ...f the signal is distorted or clipped before it reaches the amplifier the clip limiter will not be activated Under normal operation the clip limiter is inaudible The limiter can be turned ON or OFF by...

Page 14: ...inside of the amplifier These conditions usually occur after prolonged use e g in environments using cracked oil smoke machines If you are using your amplifier for heavy duty use i e concert touring...

Page 15: ...nt weather conditions and normal wear and tear Units on which the serial number has been removed or defaced will not be eligible for warranty service 3 MARTIN AUDIO LTD shall not be responsible for an...

Page 16: ...wer both channels driven 5 0 Arms 10 Arms 1 3rd Full power both channels driven 8 0 Arms 16 Arms Full power 1Khz 1 thd 14 0Arms 28 0 Arms DISTORTION THD 20Hz 20KHz 1W to full power 0 07 THD 1KHz 1dB b...

Page 17: ...tors Clip 2 x Red LED s Indicators Signal Present 2 x Green LED s Rear Panel Input Connectors 2 x Neutrik Combo 3 pin Phoenix Output Connectors 2 x Neutrik Speakons Clip Limiters Push Switch ON OFF pe...

Page 18: ...gland Telephone 44 0 1494 535312 Facsimile 44 0 1494 438669 Web www martin audio com E mail info martin audio com The Martin Experience Please Click here to return to main menu Please Click here to vi...

Page 19: ...The Martin Experience ENGLISH MA1 3s Amplifier User s Guide All material 2007 Martin Audio Ltd Subject to change without notice CONTENTS PRINT GUIDES...

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