No, not more diy lunacy Oct 10, 2018 15:39:50 GMT
Post by dsjr on Oct 10, 2018 15:39:50 GMT
The 266 was pure solid state. Adding a valve adds loadsof extra unwanted distortion, but if you like fine details smoothed over then fine. Not that the 266 was edgy or grainy to start with I remember. A bit 'lean' possibly compared to the 288 or 289, but NEVER grainy or tinsel-toned.
Stu, the likes of a 5532 op-amp is totally transparent if well supplied*, so no need whatsoever to bypass one unless it's been used badly (my IC-150 preamps and QED ton-up Digit Opto are proof of this, as the QED totally transformed with a dedicated separate supply for the op amp alone). Naim are different in that you have that Quad 33 era single rail line stage and possibly hobbled filtering to get round, which gives their sources their 'Naim Sound.'
* Not scientific I know, but feeding a source straight into my Crown power amps (which have gain controls on them) and then inserting an active preamp in between showed me much. The Croft slugged everything (Glenn would have had it back for full updating - the Micro 25 is far better tonally), the AVI into 1m interconnects sounded 'pushy' and OTT (it was designed to drive long 10m or so interconnects) and once the chips in the IC-150 plus four caps were changed, this one was as near 'transparent' to the source as I need, even if it looks like an old cooker!
EFF!!!! he's just reviewed the SL2 preamp - I nearly bought one when 'upgrading' from the LK1 thirty years ago.... But nobody in the UK knew it, although had I bought one andkept it until now, I'd have got all my money back as they go for serious used dosh worldwide...