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Accuphase M-1000 Power-amp
TheM-2000 uses a complement of 22 high-power transistors with
a collector dissipation (Pc) of 130 watts and a collector current
of 15 A each. These devices are excellent in every regard, including
frequency response, current amplification linearity, and switching
characteristics. Because the 22 devices are connected in a parallel
push-pull configuration, the output stage has extremely low impedance.
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Since
the devices are directly mounted to the extra-large aluminum diecast
heat sinks, heat produced during operation is dissipated with high
efficiency. As a result of this no-compromise design with a high
performance margin, the power amplifier is capable of delivering
enormous output power in a linear progression towards lower load
impedances. It also is able to drive reactive loads with ease.
High-purity copper is commonly being used in audio components for
signal leads and traces. The M-2000 does this one better, by providing
gold-plating for all parts carrying the audio signal. This includes
not only the copper traces on printed circuit boards but extends
even to ground bars carrying large ripple currents, capacitor bus
bars, input jacks, and speaker terminals. |