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Dynagrid and ZP3, do they go together? (Read 269 times)
Matchstikman
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Dynagrid and ZP3, do they go together?
04/16/26 at 16:16:37
 
Ok, some backstory.

Years and years and years ago, I purchased a Decware phono pre-amp. This was the model before the ZP3 and it had a separate power source. It was a nice component with a step up option, but I was not big on vinyl at the time and I sold it to someone on this forum. I can't remember who.

Anyway, years went by and I ran into someone that was big into vinyl and, once again, I caught the bug. I went wild and I purchased a ZP3, base unit, nothing special. To me it didn't sound a good as the original Decware unit that I had before. So, I went nuts and I swapped tubes and power cords and interconnects and nothing helped. Then I purchased a ZROCK2 in hopes that it would help, and it did, some, but not enough.  I still think the original Decware preamp has a better sound.

Just to be clear, I also have a CD setup that sounds amazing.

Anyway, I digress.

The ZP3 and the vinyl gear gathered dust. After time I purchased a Lehman Black Cube SE II, solid state, which I think got me closer to what I wanted to hear. I fully expect the vinyl setup to souond at least be as good as the CD playback, if not better. That, at the least, is what I want. The ZP3 is now the backup unit, and sits on a shelf and mocks me.

Then, this Dynagrid thing reared its head.

Then, I read Lon's post.

Then, I thought, it sounds like Lon has gone through alot of trouble and money to get his system connected to the Dynagrid and then to get his system to sound as good as it did before he had it connected to this new component. At least, that's what I got from the subtext. I didn't read all the posts. There were too many and my mind drifted to something else. At the end Lon probably finds true happiness only the way Lon can find it.

Again, I digress.

Anyway, what would a Dynagrid do to that ZP3 that stares at me in anger?  I'm not looking for the kind of subtle change in texture and richness and space and and soundstage and all that crap that a man in his 60s can't even hear. I'm looking for the kind of differnce you can hear between a Roland JC120 and a Marshall JCM 800 at any age.

So, is it worth the money and the effort or will I end up where I am today? I'm not buying another preamp. It is either the ZP3 or the Black Cube. That's it. Oh, I did buy a Schiit pre-amp that on some vinyl selections did sound better than the ZP3 but disregard that. Once again, there, I digressed.

Thoughts?
Ideas?
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Lon
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Re: Dynagrid and ZP3, do they go together?
Reply #1 - 04/16/26 at 16:35:28
 
I wish you luck with your journey.

I myself didn't find happiness with the ZP3 and the many possibilities of tubes etc. just had me going round in circles, I sold it. I replaced it with a PS Audio phono preamp that I am very happy with.

I think the Dynagrid would help both sides of your system, phono and cd, if it worked in your amp (I forget what amp you are using and whether it uses a 5U4 type rectifier or a rectifier at all). If only applied to the ZP3 it may or may not be the answer for you, I can't say, and the bad thing is that only you in your system can probably determine that I want to make one statement: I immediately realized that the Dynagrid Jr. was superior to a rectifier in the amp, but also that in my system it needed to be all it can be with the "trappings" that I assign to my components in the way of power cabling, isolation treatment and fuse, and that it took several hundred hours to really be its best. Now I am sold on it, not only do I get better sound, but my amp runs cooler, which I think is a nice benefit.
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HR-1,ZBIT,ZROCK3,SEWE300B,Dynagrid Jr;Rega RP3+all GrooveTracer mods;PSAudio:PST+DSD DAC Mk II,NPC,PowerBases,AC-12 pwr cbls, Reference spkrcbls;Mapleshade SamsonV3;VeraFi Audio cpts VooDoo:Cremona+Amati interconnects;Stack EQ; headphones:Sennheiser HD800S,ZMF Ori
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Matchstikman
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Re: Dynagrid and ZP3, do they go together?
Reply #2 - 04/16/26 at 16:48:12
 
Hello, Lon.

The ZP3 is a challenge.

The current amp I use is a Cary SLI-80. It is basically a bigger version of the blue Torii to some degree. And this amp has 2 rectifiers. Adding the Dynagrid to this amp would be very expensive. The blue Torii has solid state rectifiers and isn't a match. Too bad.
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Steve Deckert
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Re: Dynagrid and ZP3, do they go together?
Reply #3 - 04/16/26 at 16:57:23
 
Couple comments,

The ZP3 by most accounts sounds better than the original ZP1&2.  The reason is passive RIAA which means no negative feedback.

Break-in is a minimum of 100 hours, more like 250.  If a unit sets more than a month or two, it will need several days of break-in again before it sounds right.

If you think a better rectifier solution would improve the sound, get yourself some new old stock, or fancy Chinese 274B and see if the sound changes before you drop $1600 on a DynaGrid.

I would also take a hard look at your tonearm cable capacitence also.   Make sure you have the tubes in the correct locations on the ZP3.

Steve

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Matchstikman
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Re: Dynagrid and ZP3, do they go together?
Reply #4 - 04/16/26 at 17:43:03
 
Thanks, Steve.

I've got homework.
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CAJames
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Re: Dynagrid and ZP3, do they go together?
Reply #5 - 04/16/26 at 18:45:53
 
Matchstikman, you don't say what cartridge you are using. It may be the ZP3 issue is some kind of incompatibly. What are the input settings you are using with the Black Cube?
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Kahuna Jack
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Re: Dynagrid and ZP3, do they go together?
Reply #6 - 04/16/26 at 19:47:58
 
I was about to try my DGJR in my ZP3 but had some background noise appear , either noisy tube or cap issue. Put it on the back burner. If it happens while this thread is still moving Ill report back. I never rolled rectifier tube in ZP3 form memory it has 5U3 wing C in it.

I did have 2 Zp3's at same time. A standard and a Annv upgraded. The standard sounded better than my annv upgraded model so I sold the better sounding one for some reason. I do that often not sure why. Guess I figured since all the upgraded caps were in place already it would be easier to cap swap at some later point if needed and keep its Annv status.

My Schiit mani never even sounded close to either of my ZP3's . Keep in mind I was never using super pricey carts or uber high end arms. Probably most expensive combo would have been Shure sme3009 III with a V15III cart or a Clearaudio Virtuoso Wood in common factory arms. AudioQuest Ruby mc , Goldring E3 etc..... nothing close to Steve's reference set up.

Ill swap some tubes in ZP3 to try and chase away the rustling noise and then pull my DGJR off shelf and try again.

I did pick up a Sun Valley phono stage and at this point I cant really decide on a favorite between it and ZP3. Too many tube rolling options in the Sun Valley as well.
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Matchstikman
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Re: Dynagrid and ZP3, do they go together?
Reply #7 - 04/17/26 at 02:09:31
 
Hello, CAJAMES.

I'm not sure on the Black Cube settings. Truth be told, it is as it was out of the box. It sounded good that way and if it isn't broken, I won't fix it. It is the ZP3 that interests me.  I would rather have the Cube to be the backup and not the ZP3.

I used different carts which include Ortofon Blue, Red, and Nagaoka MP-110 and MP-200. When I get home I will verify. All of them are headshells and they are easy to change, more or less.  I use Signal Cables. That may be an issue but I'm not really in the cables make a big  difference camp. They are good cables and do the job.

I have 3 turntables: Pro-ject Debut Carbon, Pioneer PLX-1000, and Technics SL-1200. I had a Rega at the beginning, didn't like it, and gave it away as a present. The person I gave it to uses it every day so I am happy with that.  Direct vs belt drive is a discussion, but if direct drive adds noise my ears can't hear it. I would listen in the middle of the night and the system was dead quiet.

All of them sounded better with the Black Cube.

The chain is turntable to pre to ZROCK2 to amp to Klipsch Cornwall III. There is a Rel T9 in there, too.  The ZROCK2 has been in the chain and off the chain.  As a side note, Tool's Chocolate Chip Trip on CD is mind blowing. The drummer is right in front of me.

It may just be that vinyl isn't for me.
The same friend I gave the Rega is ready to make an offer on anything vinyl related that I have which includes about 1000 albums. There is everything from Bill Evans to Montrose in there. I'll try a new rectifier before I do anything.

Everyone, thanks for the advice.
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