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2. DSD stage audio signal coupling.
3. Gain regulation - part of this function implemented in DC mode.
4. Signal dependent variable tube biasing.
5. Voltage amplification.
6. SE and balanced out signal stage.
The whole tube circuit is operating in pure Class A.
Casing:
The unique VAD casing is designed as a monocoque structure with the fulfilled aim for
extremely high mechanical rigidity, EMI and RFI screening and vibration damping.
It is polymer coated and additionally polyurethane `silenced`.
The only structural parts fitted with screws are the aluminium top cover and valve cover.
Electrically the casing is directly fully grounded via the safety earth pin in fused IEC socket.
Direct grounding provides the highest electrical safety and also means that the EMI/RFI screen
really is a `screen`, not just a piece of metal in the way of interferences.
Used components:
During long R&D process, all components were selected for the overall sound benefit of
the whole design without compromises.
The separate components count of the DAC-10 DSD is 600 and include: selected paper in oil
and silver mica capacitors, 0.1% tolerance foil resistors, selection of Sanyo OsCon and other
polymer caps, Rubycon ZLJ, ZLH, ZL, Panasonics FC, FM, FR, carbon resistors and metal
resistors, silver wire and tinned copper wire, fast RF relays and old fashion solder tags, chosen
top quality linear voltage regulators, Schottky rectifiers, FR diodes and valve rectifiers,
inductors, ceramic valve bases, newest digital IC`s and NOS (New Old Stock) valves, non-
magnetic screws, copper rails, Teflon, silicone, selection of C0G,NPO,X7R,MKP,MKS capacitors
and other parts including many VAD secrets. All components are new and current production
(apart from NOS vacuum tubes), sourced mostly from UK suppliers.
All designed and chosen by us for you to enjoy the music
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