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Dynagrid Jr. Reviews and Impressions (Read 140 times)
Lon
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Dynagrid Jr. Reviews and Impressions
01/30/26 at 08:41:05
 
As there is not yet a Dynagrid Jr. forum, and impressions and reviews have been listed in the "Development" thread I thought I would create a review thread here where early adopters can have a place to post their views and opinions.

I'll list my own experience here soon. I hope that the device will be here in about 15 hours, after two days of delivery dates canceled for "emergency" reasons. Looking forward to plugging this component in, I've re-arranged component locations twice in anticipation, power cable lengths have been responsible for some tricky maneuvering but I have a nice setup arranged and setltled in at last and I can't wait to plug the Jr. in and start listening and comparing. (Going to try to not let the inevitable comparisons drive me a little crazy!)

If you have a Jr. and have any new impressions or first impressions to impart, please feel free to populate this thread.
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HR-1,ZBIT,ZROCK3,SEWE300B; 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,Oppo PM1
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JBzen
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Re: Dynagrid Jr. Reviews and Impressions
Reply #1 - 01/30/26 at 10:07:46
 
Looking forward to the reviews. My biggest issue of external rectification was the umbilical cord with AC and DC running parallel over length. It seems that the benefits outdone the negatives in this instance.

I am still trying to fit a DynaGrid in my scheme. The Zrock 2 works well in loop C. I don't at this time think a Zrock 3 will be beneficial installed after the CSP2+. The power conditioning scheme in place and added sub gave loop B an edge that propels it past loop A. More time and listening will tell the tale. If this holds, placing the RtoR in a horizontal position raising it should give enough room for a DynaGrid underneath.

Hope your grief is quailed today Lon!
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{LoopA[AMC CD8b>XO3>Stokes DAC>Carver C-9]LoopB[Ortofon 2M Black>Scout jr/Otari MX5050B2>ZP3]LoopC[Cambridge CXN2>ZDAC>ZBOX>Zrock2]}CSP2+>SE8425th>All ICs silver clad OCC copper braid>lii Crystal 10". Isolation. AC filtering. Room Treatment.
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Lon
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"Love without
guts is
worthless!"
Philip K. Dick

Posts: 27373
Re: Dynagrid Jr. Reviews and Impressions
Reply #2 - 01/30/26 at 10:27:47
 
I'll just say this: the ZROCK3 is so much a better fit in my system than the ZROCK2. Being able to adjust the gain independent of the EQ is fantatic!

Yes, I hope the component arrives today!
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HR-1,ZBIT,ZROCK3,SEWE300B; 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,Oppo PM1
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JBzen
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Re: Dynagrid Jr. Reviews and Impressions
Reply #3 - 01/30/26 at 11:18:27
 
No doubt here Lon. I wanted the Zrock 3 for that very reason placing after the CSP2. Just running out of component real estate. Maybe later.
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{LoopA[AMC CD8b>XO3>Stokes DAC>Carver C-9]LoopB[Ortofon 2M Black>Scout jr/Otari MX5050B2>ZP3]LoopC[Cambridge CXN2>ZDAC>ZBOX>Zrock2]}CSP2+>SE8425th>All ICs silver clad OCC copper braid>lii Crystal 10". Isolation. AC filtering. Room Treatment.
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Lon
Seasoned Member
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"Love without
guts is
worthless!"
Philip K. Dick

Posts: 27373
Re: Dynagrid Jr. Reviews and Impressions
Reply #4 - 01/30/26 at 12:23:53
 
Yes, real estate. I have a small expanded cottage as a home, no space here. . . and I'd love to get rid of the storage unit I have. . . but hate to get rid of all the material there. No easy solutions.

I got lucky that I could squeeze one more space in my Mapleshade Audio Samson Version 3 rack. That's it, no more possible.
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HR-1,ZBIT,ZROCK3,SEWE300B; 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,Oppo PM1
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Lon
Seasoned Member
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"Love without
guts is
worthless!"
Philip K. Dick

Posts: 27373
Re: Dynagrid Jr. Reviews and Impressions
Reply #5 - Today at 00:44:02
 
The fourth time out for delivery is the charm–about forty minutes ago a UPS truck pulled up, with both packages, the Dynagrid Jr. (rectifier replacement) in one, the tube and connecting cable in the other. I marveled at the beauty of the component and hooked it all up after it all warmed a bit (it is COLD out there).

I hear a bit more soundstage width, about the same depth, if not a bit more forward. And perhaps a bit more dynamic. Still early though. Definitely a change . . . . I may reverse the fuse direction tomorrow because it does have that “sound” when the fuse is in the direction I usually don’t prefer.

This is a BEAUTIFUL component. Glad I went with walnut for the base, and I’ve never had an 845 before and it’s HUGE tube, will serve as a night light for anyone afraid of things that go bump in the night.

This is going to be fun. My favorite rectifier in the amp is excellent to listen to, this Dynaglide Jr. is a new thing that is exciting to listen to tonight. . . .
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HR-1,ZBIT,ZROCK3,SEWE300B; 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,Oppo PM1
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Bottlehead
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Re: Dynagrid Jr. Reviews and Impressions
Reply #6 - Today at 01:26:24
 
Congrats, Lon. Patience has paid dividends. I’ll be watching to see how you evaluate the changing sound.

Randy
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MM
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Re: Dynagrid Jr. Reviews and Impressions
Reply #7 - Today at 01:30:22
 
Congrats, Lon! I’m looking forward to hearing your impressions as it breaks in.
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Cambridge CXN100, SRA Signature Hybrid Mamushi IC, SEWE 300b, ZSTYX SC, Lii F15 & W15 in open baffle.
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Lon
Seasoned Member
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"Love without
guts is
worthless!"
Philip K. Dick

Posts: 27373
Re: Dynagrid Jr. Reviews and Impressions
Reply #8 - Today at 01:35:10
 
Thanks gentlemen. I did end up just now reversing the direction of the fuse and think that was a subtle improvement. I've heard subtle shifts in sound this past hour. I haven't gone through a component break-in in some time so I've been tightening my seat belt and gripping the wheel. . . Wink
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HR-1,ZBIT,ZROCK3,SEWE300B; 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,Oppo PM1
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