Manuale d’uso / di manutenzione del prodotto MA1.3s del fabbricante 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Martin Audio MA1.3s è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Martin Audio MA1.3s - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Martin Audio MA1.3s imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Martin Audio MA1.3s ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Martin Audio MA1.3s, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Martin Audio MA1.3s.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Martin Audio MA1.3s. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Martin Audio MA1.3s insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.