![]() No fan, just a massive amount of heatsinking, for silent operation.Exotic, modern parts for higher performance-1% metal-strip output resistors eliminate inductance, silicon and film capacitors for precision compensation, air-core output inductors.4-layer, 0.093” thick PC board for optimal layout and current flow.The JDS has a 3.5mm input as well as RCA, so that’s a good feature if want It. 32-bit Microprocessor-based protection system uses a “least invasive methodology”-no active devices in signal path, no current limiting, no crowbars-just resistors and relays. I had the same dilemma, chose the Heresy due to looks, nicer build quality/heavier, the perception that the volume knob would be easier to use, and being slightly more powerful.Separate discrete regulated high voltage rails improve efficiency and are ground-referenced (not stacked) to ensure each channel’s performance is independent from the other.This means heavy loads, like musical transients into hard-to-drive speakers, on one channel won’t affect the other. Dual mono power supply from the output stage back to the transformer. ![]() Convenient standby mode keeps Vidar 2 powered up, but consumes only 1-2 watts-and it’s not automatic, you select when and if you want to use it.100% DC coupled throughout, no capacitors in the signal path, for nothing in your music but music.3 pairs of 15A output transistors per channel for extremely high overall capability, 2SC/2SA pairs used throughout.Current feedback topology is amazingly fast (-3dB above 1MHz before input filter) and measures well, especially for such a simple stage. ![]()
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