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Robust power supply to support high speed and high current Large-current Schottky barrier diodes have been used for the rectifier elements to out the full potential of the UHC single push-pull circuit. The large-current and low-noise characteristics that result from high-speed operation ensure high sound quality with considerable strength and negligible noise. The combination of the Schottky barrier diodes and a newly-developed large-capacity, block-type capacitor for high-quality sound applications delivers a stable supply of power. win transformers with Leakage Cancelling mount The PMA-1500AE uses twin, serially-connected transformers with vastly improved magnetic circuit and wire coil characteristics. A Leakage Cancelling (LC) mounting system that cancels mutual magnetic influences minimizes the leaking of magnetic flux from the power transformers, a source of noise inside the amp, to ensure high power supply capabilities and low noise. Power Amp Direct terminal The PMA-1500AE's Power Amp Direct terminal lets you connect another pre-amplifier and input signals directly to the Power-amplifier section. The Power Amp Direct function is turned on or off via a switch on the front panel and is useful for a variety of A/V surround system applications. Wide-range playback, for next-generation audio The PMA-1500AE achieves an effective frequency response of up to 100 kHz. The use of a low-impedance volume control also suppresses noise generated inside the amp during actual use to ensure optimum resolution. This wide-range playback capability is ideal for high-grade audio formats such as Super Audio CD and DVD-Audio. Power Amplifier Section Rated output 70W + 70W (8?, 20 Hz - 20 kHz, THD 0.07%) 140W + 140W (4?, 1 kHz, THD 0.7%) Total harmonic distortion 0.01% (rated output -3 dB, 8?, 1 kHz) Input sensitivity / Impedance Power Amp Direct : 0.84 V/47k? Pre Amplifier Section Phono equalizer rated output 150 mV Input sensitivity / Impedance LINE: 125 mV / 47 k? PHONO MM: 2.5 mV / 47 k? PHONO MC: 200 æV / 100? RIAA deviation PHONO 20 Hz - 20 kHz, ñ0.5 dB Overall Characteristics Signal-to-noise ratio (IHF A network) LINE: 108 dB (Source Direct: ON) PHONO MM: 89 dB (input terminals shorted, input signal 5 mV) PHONO MC: 74 dB (input terminals shorted, input signal 0.5 mV) Tone controls BASS: 100 Hz, ñ8 dB TREBLE: 10 kHz, ñ8 dB General Power supply AC230V, 50 Hz Power consumption 305 W Dimensions W434 x H134 x D410 mm Weight 14.6 kg
