Because the supply of the military-spec 5703 triode tube is limited—four are used in the output stage—Musical Fidelity will build only 800 Tri-Vista SACD players. (The nickname "trivistor" for this tube was apparently coined after the fact; it does not appear in manufacturer Raytheon's literature.) That leaves enough for spares in the unlikely event that one of the tubes fails before you do, and enough for the two other Tri-Vista products: an integrated amplifier and the kW, a 1kWpc dual-monoblock amplifier with separate dual power supply.
Before we get to the Tri…