Have the 2x2x AD797BR (I/V)and 2x LT1028ACN (buffer) in the advanced HD2 version + the 4 470 ohm (not 460) resistors mod.
like the sound of it :clear and direct.
But this opamp 1028+resistors causes a loud PC power on and off 'plok' sound..
Must be the sensitive nature of these opamp (1028 ) DC out power up/off?
No hard plok with another opamp as buffer like lme49990? > eBay ordering...
Update nov 9 : received The DUAL SOIC LME49990 DIP8 ADAPTER for the buffer> the 1028ACN and resistors out.
No loud PC Power on/off plok anymore just the soft driver clicks when windows boots.
Sound ; clear, bright and detailed mids/high.
Like the sound better than the 3x Burson version which I was selling: a bit to dark for me , just a matter of taste
update nov27: back to LT1028ACN, no resistors mod . seems to work, opamps running cool, so far I can check with the fingers..
like the LT1028ACN better than the LME49990; not so bright, more bass .
The LME 49990 did I put in my Little Dot 1+ Head amp(+DT990) a better place for this bright but nice detailed opamp.
(update :I did also a LT1028 (CS8)in my Little dot >also here deeper bass more 'organic' mids&high compared to the LME49990.
Now is the sound balanced: deep bass, detailed, clear mid and high, not overbright.
So for me(and Leeperry) the AD797BR and LT1028ACN combo is still unbeatable
I will now try to solve the power on/off plops with decoupling caps, output resitors and coils.
update dec.4:specsheet:
I did use a 47 pF over-compensation cap.power on/off plops seems less, less overshoot?.. tweaking on