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Фрагмент инструкции
The Mark III Series brings our many years of manufacturing and playing experience together in a totally redesigned electronics chassis and package. Much engineering time has been devoted to all the minute details that combine to create an effective instrument amplifier capable of producing the various dynamics, harmonics and tonal textures so vital in contemporary music. Particular care has been exercised in the design of our preamp and equalization circuitry. The Musician preamp features Peavey's exclusive pre and post gain controls enabling total control over the dynamics and gain of each input preamplifier. The pre gain control functions as the normal gain control, while the post gain control operates as individual "master controls” for each channel. This feature is.tremendously important when using the Musician in the AUTOMIX mode. The relatively weak guitar pickups of ten years ago have given way to the new generation pickups that feature extremely high output and require absolute maximum performance from the amplifier's signal processing circuitry. Our efforts to satisfy the demand for the proper “texture" and overload characteristics have made it necessary for Peavey to completely and totally redesign the electronic circuitry from the input jack through to the output jack. To further complement this “all new" unit, we have designed a totally new series of color-coded knobs that not only provide function identification by color, but also feature greatly improved visibility and “touch indexing” capability. The Mark III Musician utilizes the latest BI-FET and CMOS devices to enable signal processing and features that would have been totally "out of reach” for all but the most sophisticated recording studios just a short time ago. Totally new circuitry utilizing the latest advances in semiconductors and design techniques provide the versatility built into the new Musician. Our exclusive AUTOMIX function has been made considerably simpler and more efficient using LED indicators, combined with active CMOS analog switches. Each channel of the Musician is voiced slightly differently, with Channel A having active equalization, while Channel B offers passive equalization. Each channel features an equalizer assign switch to enable “pre-programming”, either through or around the six-band graphic equalizer. These equalizer assign switches are extremely effective when using the AUTOMIX feature of the amplifier since they allow one channel to be routed through the graphic, with the other channel routed around the graphic, thus yielding a tremendous tonal variation when switching from channel to channel. Our new phasor circuit utilizes new engineering techniques that avoid the many problems associated with the older FET-based designs and the phasing effect and the timing oscillator circuitry combine to form what we feel is the most effective phasing unit ever incorporated into a musical instrument amplification system. The reverberation unit is driven by a fully complementary circuit that uses the reverb coil itself in the feedback loop to electronically maximize the performance of the Hammond Type IV delay line. The Musician also features a complete and versatile patching facility capable of driving any known power amplifier or line level effects device. This patch panel includes stereo capability with the outputs from Channel A and B brought out separately, as well as a specially compensated line output that delivers a signal that closely matches what is heard from the amplifier's speaker system, making effective direct patching into mixers, etc., practical for the first time, Each output is capable of driving 600-0hm loads to better than 2-Volt levels. The power output section of the Mark III Musician is based on eight high-voltage, ultra-fast output devices bolted to a massive aluminum heatsink. This power section also includes a built-in matching transformer to allow optimum performance with either 8- or 4- Ohm loads and includes adequate capabilities to effectively drive loads as low as 2 Ohms. Reduced damping factor assures tube-type overload qualities and tonal color. Overall, the Musician represents one of the most sophisticated musical instrument amplifiers ever made and represents what we feel is a quantum jump in musical instrument amplifier technology. Experimentation with the many features of this new unit and comparison with other units will illustrate the many advantages of this new Mark III Series amplifier. WARNING: To prevent electrical shock or fire hazard, do not expose this appliance to rain or moisture. ÖÖÖÖÖÖÖ 0000009 ©00© CQ} FRONT PANEL INPUT JACKS 1 AND 2 The Musician features both a high gain (1) and a low gain (2) (-6 dB) input to enable it to accept signals of varying levels and also to facilitate using two instruments into either channel. The high gain (1) input is the one normally used. If the output signal from your instrument or its associated electronics is overloading t...
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