Instruction/ maintenance manual of the product M1200 Mackie
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1 FEA TURES F A S T REC O VER Y SER I E S H IGH CU R R ENT PO WER AM P LI FI ERS M•1 200/M•1 400 ARCHITECT S & ENGI NEERS SPECIF ICA TIONS ■ “I N Y OUR F ACE” S OUN D R EIN FORCEM ENT &a.
2 What is F ast Recovery? Fast Recovery refers to the amplifier’s ability to recover after being over-driven into clipping. Most amplifiers’ output circuits tend to stay “latched” in the clipping mode, making their recovery time relatively slow , especially at high frequencies.
3 Each channel has an inde- pendent gain control with 40 detents for accurately setting and matching the gain between channels. T he gain controls are calibrated in dB (from off to 3 0) and in volts (with indications of 1V , 2V , and 3V).
4 Block Diagram M•1200/M•1400 DIMENSIONS CH 1 BALANCED LINE INPUT (TRS) CH 1 BALANCED LINE INPUT (XLR-F) LIMITER LIMITER ON OFF LOW CUT FIL TER LOW P ASS FIL TER (SUBWOOFER) + – 80 VDC + – 90 .
5 frequency boost to compen- sate for the natural roll-off inherent in all compression drivers. Some speaker manu- facturers provide external processors with plug-in modules for each of the various combinations of horns and drivers (at an additional cost to you!) to compensate the CD horns.
6 MAC KI E DESI GN S IN C. 1 6220 Wood-Red Rd. NE , W oodinville • W A • 98 0 72 • USA T oll-F ree 8 00/258-68 83 • FAX 425/ 487-433 7 • E-mail: sales@mackie.com • www .mackie.com For distribution information outside the USA, 425/ 48 7-4333 • FAX 425/ 485-1 152 Mackie Designs Inc.
An important point after buying a device Mackie M1200 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Mackie M1200 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 Mackie M1200 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Mackie M1200 you will learn all the available features of the product, as well as information on its operation. The information that you get Mackie M1200 will certainly help you make a decision on the purchase.
If you already are a holder of Mackie M1200, 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 Mackie M1200.
However, one of the most important roles played by the user manual is to help in solving problems with Mackie M1200. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Mackie M1200 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
