Vision SL and new Vision RB both have identical Class A audio circuits. Both use identical audio circuits as used in new AVA DAC MK 5. Newest plug in audio boards are surface mount parts design to take advantage of much tighter tolerance parts.
Vision Q phono board is $329 option in any new AVA preamp. Q upgrade available for $50 in must recent AVA preamps with Vision phono circuits.
Optional remote volume and mute function available as $299 option for any new AVA preamp.
RB configuration has 4 pairs inputs, 2 pair audio outputs, front panel has selector switch, vol control, standard size headphone output, and power switch. SL configuration adds 2 more sets of inputs, tape in and tape out jacks, balance control, and push button switches for tape monitor, mono-stereo, low gain, and filter functions.
Note that Fet Valve CF Real Basic version available now too for $1599. Black faceplate only
Thinking about all you people located in harms way from Irma. Stay safe!
Frank