MEPER....don't know if anyone has answered this to date but I was getting a slight hum when the preamps volumes were turned to max which was bothersome, similar to your situation. Couldn't hear anything at normal preamp levels for playing music but it bothered me anyway. It was independent of turntable being connected, preamp, amp, PS driving the P3, any grounding schema, or opamp. I'm using a Grado Green 3 cartridge (moving iron?). I just tried changing R22 to a ~47R resistor (had them in my stash; bringing the total gain down to ~ 37dB). One channel is now completely silent and the other's hum was decreased dramatically. I'll drop R22 to 40R as soon as my order gets here from Mouser. I'll then do opamp rolling to see which I prefer although the standard 2068 is perfectly fine&dandy.
Cheers
Pearl 3 kits back in stock now.
https://diyaudiostore.com/collectio...front-end/products/pearl-3-phono-preamplifier
https://diyaudiostore.com/collectio...front-end/products/pearl-3-phono-preamplifier
@6L6
mention of (lots) more boards (and the recent fun with alternative boards) has me wondering when this endeavour will reach the end of the "Lewis and Clark" (Alexander Mackenzie for the Canadians) pioneering stage.
Settlers, ho!
Out of the chute it seems a profoundly robust design that is proof against much of the queries, speculation and criticism.
Who arbitrates this classification?
That said I'm happy to continue to put on my adventure gear and log in for the ride.
mention of (lots) more boards (and the recent fun with alternative boards) has me wondering when this endeavour will reach the end of the "Lewis and Clark" (Alexander Mackenzie for the Canadians) pioneering stage.
Settlers, ho!
Out of the chute it seems a profoundly robust design that is proof against much of the queries, speculation and criticism.
Who arbitrates this classification?
That said I'm happy to continue to put on my adventure gear and log in for the ride.
It’s a great question and the answer is that we’ll keep making them as “pioneer” kits until the feeding frenzy slows down. Plus I have a lot of parts already purchased for these that need to be put into kits.
There may be demand to make a full kit, but that would almost certainly be a pre-order situation as it wouldn’t be particularly inexpensive.
At some point PCB+semiconductors may be sold as an “essentials kit”, but that will be in the future.
There may be demand to make a full kit, but that would almost certainly be a pre-order situation as it wouldn’t be particularly inexpensive.
At some point PCB+semiconductors may be sold as an “essentials kit”, but that will be in the future.
^ OK, I'll bite. I can definitely use those. I'm sitting on some single Bursons, why not play with them too? I mean, this should increase the separation between channels and deepen the soundstage, right?
I mean, who knows?
I'm game.
Where do I get them? what are they called?
My motto... (OK, amongst my mottos) if you can make it with more cables, switches, lights, wires, boxes, etc.. than you're not done!
I mean, who knows?
I'm game.
Where do I get them? what are they called?
My motto... (OK, amongst my mottos) if you can make it with more cables, switches, lights, wires, boxes, etc.. than you're not done!
^ "because they're discrete, costly and - they're looking more Audiophile"
Aaah, a man after my taste...
Do they make an audiophile grade? You know? Cryogenically treated, heavy isotope Gold plated, Signature Mk. IV?
But seriously, I got the parts, not using them... why not use them?
Heck I could drive one channel with singles, the other with a dual!
Aaah, a man after my taste...
Do they make an audiophile grade? You know? Cryogenically treated, heavy isotope Gold plated, Signature Mk. IV?
But seriously, I got the parts, not using them... why not use them?
Heck I could drive one channel with singles, the other with a dual!
When JR Records was transitioning to CD from Vinyl (they were just south of City Hall in NYC) I stocked up on a lot of DG, Harmonia Mundi and Angel recordings -- I had kept lists from HFNRR reviews. I doubt that changing U1 is going to afflict my listening experience in any adverse sense on these 40+ year old LP's.