johnjen
Headphoneus Supremus
So I did swap out the 'factory tweako'' caps for a set of Hovland SuperCaps.
It took a day of running the dac before it 'settled in' and started to close the gap to match the SQ of my reference tweako Jggy dac.
Both dacs were being fed from my AOIP stack with SPDIF feeding the Jolida dac and AES feeding my Jggy, which in turn then fed the Purp-Amp…
And then…
The Purp-Amp took a mother may I step up, which in turn opened up that gap even more than it was even before the factory caps got dialed in.
That DHT gudness kicked in and even at this early stage, well, lets just say the Jolida needs more, MUCH moar tweaking.
Those Miflex caps I installed in the Purp-Amp have started to fully settle in and that MitM (Magic in the Mids) is back and is still changing, albeit slowly.
I figure it's been ≈ 50-100hrs of run time since they were installed and since then there have been other tweaks added (grounding, grid stoppers etc).
It's to the point where I'm listening to Led Zepplin and I can actually hear all the words and understand them, and this applies to every 'voice' regardless of what it is, as they are all clearly immediately identifiable.
This is the 1st (well a repeat of the first) time that this degree of Transparency, Articulation, and Instant Recognition has presented itself.
And I've been listening to Led Zep since the 70's on vinyl.
This MitM and especially the DHT (directly heated triode) variety, when used in very simple SET circuits, has an added degree of gudness that is just simply stunning.
SDSG (SuperDuperSuperGlue) is in full force and this degree of tweak checks off on all of the rest of those attributes I deem that constitute what is 'Better'.
And I'm getting ready, once again, to tear it apart for yet more tweaks…
Will I ever learn to leave well enough alone? hahahahahahahahahaha…
But I do really need to change the input xfmrs and re-locate them and track down some circuit hiccups, that while they have been reduced in amplitude, really shouldn't be there at all, even if they are at ≈ 0.4mvac (≈ -60dB)
And so it goes.
JJ
It took a day of running the dac before it 'settled in' and started to close the gap to match the SQ of my reference tweako Jggy dac.
Both dacs were being fed from my AOIP stack with SPDIF feeding the Jolida dac and AES feeding my Jggy, which in turn then fed the Purp-Amp…
And then…
The Purp-Amp took a mother may I step up, which in turn opened up that gap even more than it was even before the factory caps got dialed in.
That DHT gudness kicked in and even at this early stage, well, lets just say the Jolida needs more, MUCH moar tweaking.
Those Miflex caps I installed in the Purp-Amp have started to fully settle in and that MitM (Magic in the Mids) is back and is still changing, albeit slowly.
I figure it's been ≈ 50-100hrs of run time since they were installed and since then there have been other tweaks added (grounding, grid stoppers etc).
It's to the point where I'm listening to Led Zepplin and I can actually hear all the words and understand them, and this applies to every 'voice' regardless of what it is, as they are all clearly immediately identifiable.
This is the 1st (well a repeat of the first) time that this degree of Transparency, Articulation, and Instant Recognition has presented itself.
And I've been listening to Led Zep since the 70's on vinyl.
This MitM and especially the DHT (directly heated triode) variety, when used in very simple SET circuits, has an added degree of gudness that is just simply stunning.
SDSG (SuperDuperSuperGlue) is in full force and this degree of tweak checks off on all of the rest of those attributes I deem that constitute what is 'Better'.
And I'm getting ready, once again, to tear it apart for yet more tweaks…
Will I ever learn to leave well enough alone? hahahahahahahahahaha…
But I do really need to change the input xfmrs and re-locate them and track down some circuit hiccups, that while they have been reduced in amplitude, really shouldn't be there at all, even if they are at ≈ 0.4mvac (≈ -60dB)
And so it goes.
JJ
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