Instruction/ maintenance manual of the product MA1.3s Martin Audio
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Martin Audio – MA1.3s Amplifier E NGLISH 1 CONTENTS (ENGLISH) P age No 1 CONTENTS MA1.3S USER GUIDE 1 2A P P ROV ALS 2 3W ARNINGS 2 3.1 EXPLANA TION OF GRAPHICAL SYMBOLS 2 3.2 W ARNING 2 3.3 CAUTION 2 3.4 IMPORT ANT SAFETY INSTRUCTIONS 2 3.5 USER RESPONSIBILITY 3 3.
Martin Audio – MA1.3s Amplifier E NGLISH 2 2 APPROVALS This equipment conforms to the requirements of the EMC directive 89/336/EEC, amended by 92/31/EEC and 93/68/EEC and the requirements of the Low Voltage Directive 73/23/EEC, amended by 93/68/EEC.
Martin Audio – MA1.3s Amplifier E NGLISH 3 ! 12. The amplifier is intended to use in a 19” rack. Follow the mounting instructions. When racks with wheels are used, use caution to avoid injury from tipping when in motion. 13. Unplug this apparatus during lightning storms or when unused for long periods of time.
Martin Audio – MA1.3s Amplifier E NGLISH 4 4 INTRODUCTION Thank you for purchasing a Martin Audio power amplifier. This manual contains important information on operating your amplifier correctly and safely. Please take some time to read this manual and familiarize yourself with the advanced features of this amplifier.
Martin Audio – MA1.3s Amplifier E NGLISH 5 ! 7. Fan grille filters Two grilles with foam filters are located on the front panel to prevent dust from entering the amplifier. The grilles are removable for easy cleaning of the filters by simply pulling them off.
Martin Audio – MA1.3s Amplifier E NGLISH 6 T he D I P -s w it c h D i ff e re n t ga i n s a nd f u n ct i o n c a n b e se l ec t e d for c h a n ne l A a n d B, b y a pp r o pri a te setting of th e D I P swit c h .
Martin Audio – MA1.3s Amplifier E NGLISH 7 bandwidth. Be sure to use balanced inputs on all measuring equipment (including oscilloscope probes) if you are bench testing. Reverse operation of Channel B. 5.3.3 Tandem mode In tandem mode channel A input is linked to channel B input, either input socket may then be used to provide the input signal.
Martin Audio – MA1.3s Amplifier E NGLISH 8 6 INSTALLATION 6.1 Mounting The amplifier is two rack units high (2U) and weighs 7.9Kg (17lbs) and will mount in a standard EIA 19” rack. Amplifiers may be stacked directly on top of each other. There is no need for spacing between units.
Martin Audio – MA1.3s Amplifier E NGLISH 9 the fans then blow at high speed before going into "idle". The two bottom green LEDís then illuminate to show the amplifier is operational. 6.4 Denmark: National deviation concerning installation of the MA1.
Martin Audio – MA1.3s Amplifier E NGLISH 10 We recommend you to design the power distribution for at least the current at 1/8 power, and 1/3 power for heavy- duty demands such as concert touring and industrial music etc.
Martin Audio – MA1.3s Amplifier E NGLISH 11 CH . B CH. A IN PUT IN PUT CH. A L I NK CH . B L I N K GA IN 41 d B 38dB 35dB 32dB 29dB 26dB 23dB 20dB 678 123 GA IN CH.
Martin Audio – MA1.3s Amplifier E NGLISH 12 Channel A and B into two separate Speakons. Channel A and B into one Speakon (Stereo and Bi-amp) Bridged mono Never connect either output terminal to grou.
Martin Audio – MA1.3s Amplifier E NGLISH 13 - 40d B PR OTE CT CL I P ON PR OTE CT CL I P - 40d B ON MA 1 . 3 s Front Indicators The Clip/limit indicator tells when the amplifier output is clipping or limiting. It has two different indication statuses: • If the clip limiter is engaged it has a short time constant and it illuminates briefly.
Martin Audio – MA1.3s Amplifier E NGLISH 14 9.4 Short circuit protection All Martin Audio MA Series amplifiers are completely short circuit protected. The protection circuit permits very high peak currents, but still holds the output devices within the safe operating area.
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.
Martin Audio – MA1.3s Amplifier E NGLISH 16 12 SPECIFICATIONS MA1.3 S MAXIMUM OUTPUT POWER EIA @1kHz 1% thd FTC 20 – 20kHz @ 0.1% thd 8 Ω per Channel 350W 340W 4 Ω per Channel 650W 630W 2 Ω .
Martin Audio – MA1.3s Amplifier E NGLISH 17 SHIPPING DIMENSIONS (W) 560mm x (H) 180mm x (D) 500mm (W) 22ins x (H) 7.1ins x (D) 19.7ins SHIPPING WEIGHT 9.
MA1.3s Amplifier Century Point, Halifax Road, Cressex Business Park, High Wycombe, Buckinghamshire HP12 3SL, England. T elephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669 W eb: www .
The Martin Experience E NGLISH MA1.3s Amplifier User ’s Guide All material © 2007. Martin Audio Ltd. Subject to change without notice. CONTENTS < PRINT > GUIDES.
An important point after buying a device Martin Audio MA1.3s (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Martin Audio MA1.3s yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Martin Audio MA1.3s - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Martin Audio MA1.3s you will learn all the available features of the product, as well as information on its operation. The information that you get Martin Audio MA1.3s will certainly help you make a decision on the purchase.
If you already are a holder of Martin Audio MA1.3s, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Martin Audio MA1.3s.
However, one of the most important roles played by the user manual is to help in solving problems with Martin Audio MA1.3s. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Martin Audio MA1.3s along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center