The T+A HV P 3100 HV ($19,500) is based on the company's predecessor P 3000, with the two units differing visually only in their type designation. Internally, the entire preamplifier section has been improved by a re-designed circuit board layout. The new digital power supply is stronger and better shielded, with the toroidal transformer being increased to 115 VA. Within the previous model, the input and output stages were coupled to the relay volume control via high-quality capacitors.
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