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The Stereo Power Amplifier P-4200 incorporates the outstanding design
technology of the A-200. Based on the P-4100, it represents a full
model change with further enhanced overall circuitry.
The power amplifier section features another Accuphase specialty, namely
the MCS+ topology in combination with current feedback, ensuring
outstanding S/N ratio and superior electrical performance
The output stage for each channel uses three pairs of high-power
transistors with a Pc rating of 220 watts, arranged in a parallel
push-pull configuration. This ensures low output impedance. As
demonstrated by the power rating of 500 watts per channel into 1 ohm
(music signals only), the P-4200 can easily drive speakers with very low
impedance, and speakers with uneven impedance curves are also handled
Output relays have been replaced by MOS-FET switches that combine
excellent reliability with highly pure amplification. Redesigned output
coils and other features result in lower energy losses and allow a
drastic improvement of the damping factor to 500.
Output stage with triple parallel push-pull configuration for each channel delivers high power down to very low impedance loads
Instrumentation amplifier principle used in input stage
MCS+ circuit and current feedback topology in amplification stage
Bridged connection mode allows upgrading to monophonic amplifier
Strong power supply with massive high-efficiency toroidal transformer and large filtering capacitors
4-stage gain control
Specificatii Amplificator de Putere Accuphase P-4200
Music is an oasis that refreshes us in our journey of life.
Music can be soothing, exciting, exhilarating. It can move our hearts and enrich our lives, which is the goal we at Accuphase seek through audio technology.
This was the idea behind the slogan "Enrich Life through Technology" which originally brought together the group of very highly skilled audio experts who conceived and today produce the successful Accuphase line of audio equipment. It is the guiding principle behind all Accuphase components whose high grade can be considered extravagant. Just as there are exquisite musical instruments that are especially highly prized, we believe that the same applies to audio components. This belief forms the basis of our design concept. It is the reason why we strive to build extra value into each of our units so that they will display fully the merits of hand construction.
The name ACCUPHASE was adapted by taking the prefix ACCU from the word "accurate", and combining it with PHASE which is a most important factor in audio technology. We feel it is a very fitting brand name to describe our products that fully portray this and other important characteristics, which penetrate the innermost depth of audio technology. Our endless pursuit of quality requires a very high degree of processing which persuades us to avoid the use of mass production systems. Consequently, production volume is limited and Accuphase products are available only at a restricted number of specialized stores.
Accuphase equipment is not subject to the whims of market fashion since they are made, above all, to achieve true high fidelity sound reproduction. This is the foremost reason why our products have enjoyed long-run production.
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