Instruction/ maintenance manual of the product 6125A Altec Lansing
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6125A 4200A Mul ti-channel power a mplifiers Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr ofessional ofessional ofessional ofessional ofessional 1000 W .
2 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier T able O f Co ntents 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 UNP ACKING . . . . . . . . . . . . . . . . .
3 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier CAUTI ON RI S K O F ELEC T RI C SH O CK DO NO T OPE N The lightning flash with arrowhead symbol, within an equalateral triangle, is int.
4 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 1. INTRODUCTION The 6125A and 4200A po wer amplif iers combine the ef ficienc y of a MOSFET high-speed switching output stage with the .
5 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 4. CABLE REQUIREMENTS 4.1 Input Cables Be sure to use shielded cable whether balanced or unbalanced. Shielding which is properly grounded will protect the signal from outside electrical interference such as RF , fluor escent lighting, and computer/display emis- sions.
6 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 6. FRONT P ANEL FEA TURES 6.1 Po wer Switc h When the unit is switched on there is a f iv e sec- ond delay , during which time the PR O TECT circuit will activ ate, disconnecting the speakers from the amplifier output.
7 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 7. REAR P ANEL FEA TURES 7.1 Input Connectors The 6125A and 4200A inputs use balanced two piece "Euroblock" style connectors.
8 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 7.5 Input Level Contr ols Input Le vel Controls attenuate input signal from 0dB d o wn to - ∞ . F or best per f o r manc e , A ltec r ecommends that the lev el contr ols be operated at full lev el (0 dB at- tenuation).
9 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 7.9 A C Inlet The 6125A and 4200A amplifiers can be conf ig- ured by the customer for operation at either 115V A C or 230V A C mains. Switching from one to the other simply requires the following ste ps: 1.
10 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier In all cases, the amplifier will restart the signal processing module after a short delay and will reconnect the speakers after se veral seconds if no further f ault con- ditions exist.
11 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 9.1 Six Channel Setup 9.2 Dual Mono Setup Outputs ! " # $ ! " # $ I np u t Se cti on : Up to Six D iff erent I np ut.
12 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 9.3 Bridged Mono Setup 9.4 T ypical P A Setup Outputs ! # I np u t Se cti on : Up to Three Diffe rent Inpu ts St ereo /M ono Sw it.
13 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 10. DESIGN THEORY The 6125A and 4200A amplifiers are based on stereo driv er modules tha t use digital processing to gener- ate a spread-spectrum switching pattern between about 200KHz and 1.
14 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 11.2 Distorted Sound 1.) Clip LED is flashing r e gularl y Amplif ier is being ov erdriven. T urn down the in- put le vel control, or reduce the output lev el from the sig- nal source. 2.
15 Operating Manual 6125A and 4200A Multi-Channel Power Amplifier 13. SPECIFICA TIONS *P ow er Output (Maximum A verage Po wer , 0.1% THD, 1KHz) Rated Per Channel, T wo Channels Driv en 6125A 4200A 4 .
Printed in USA 6125A-0 0503 Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr ofessional ofessional ofessional ofessional ofessional 1000 W .
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If you already are a holder of Altec Lansing 6125A, 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 Altec Lansing 6125A.
However, one of the most important roles played by the user manual is to help in solving problems with Altec Lansing 6125A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Altec Lansing 6125A 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
