Forums - Dynagrid Jr. Reviews and Impressions

Lon

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Philip K. Dick

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Re: Dynagrid Jr. Reviews and Impressions
Reply #100 - Yesterday at 12:14:48

I’m still really enjoying the new window into my system that replacing its only rectifier with the Decware Dynagrid Jr. has brought. Today I changed the 300B output tubes from the Shuguang Black Teasure 300B-Z to the Linlai Dream Series 7300B-D and they sound quite improved with this now fully seasoned outboard rectification, and with the new voltage regulation tube trio. Nice to have a different “feel” to the amp and the entire presentation as a change of pace, though I suspect I’ll put the 300B-Z back in within a few days.

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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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PointThatThing Verified Member Posts: 25	Re: Dynagrid Jr. Reviews and Impressions Reply #101 - Yesterday at 19:24:38 Hi Kahuna Jack So I take it you have run the U52 in your UFO? I have one but have been to nervous to try it as some say it may not be compatible with the UFO and it’s not a cheap tube, so I’ve been reluctant to try mine in case I fry it Keen to hear your thoughts
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CAJames Seasoned Member "I've run every red light on memory lane." Posts: 3124	Re: Dynagrid Jr. Reviews and Impressions Reply #102 - Today at 00:32:48 FWIW I am currently using U52s in my UFO25s. I have used them off and on for years both the in UFO25s and before that in my original UFOs. The U52 along with the "big bottle" 53KU are my two favorite rectifiers.
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Tony

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Re: Dynagrid Jr. Reviews and Impressions
Reply #103 - Today at 01:16:54

I wanted to jump in and say I installed a Cossor 53KU rectifier in my UFO25 on Monday and couldn't be happier with its performance. This is the best Decware amp I have had to date, so I was understandably reluctant to gamble. My research, however, was positive, so I gave it a try. I'll jump back in after a while to let folks know how it's going, but so far, it's excellent.

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Lon

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"Love without
guts is
worthless!"
Philip K. Dick

Posts: 27682

Re: Dynagrid Jr. Reviews and Impressions
Reply #104 - Today at 01:51:41

I tried a new production Cossor 12AU7 and it was too bright for me. It might have mellowed some with more time, but I couldn't take it long enough. That rectifier may be different.

I must say though. . .I am very happy to be off the rectifier merry-go-round in my main system with the SEWE300B. It took a while for it to season in and be tuned in but now it's better than any rectifier I've tried, and that was literally more than a dozen, close to two.

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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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Kahuna Jack Seasoned Member Posts: 237	Re: Dynagrid Jr. Reviews and Impressions Reply #105 - Today at 06:36:51 PointThatThing yes the U52 as James states is an awesome sounding rectifier in the Zen UFO . I had an eye out for arcing or bright sudden surges but so far it's behaved. I wont risk it in Torii Jr but that's what the DGJR is for.
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PointThatThing Verified Member Posts: 25	Re: Dynagrid Jr. Reviews and Impressions Reply #106 - Today at 06:56:11 Thanks for the reply and James for input too. I’m definitely give it a go
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PointThatThing Verified Member Posts: 25	Re: Dynagrid Jr. Reviews and Impressions Reply #107 - Today at 07:16:39 Hi James, just wanted to check 2 details, I presume that the basic SE84 UFO is circuitry wise the same as the higher spec models and so will also be ok with the U52? And secondly is the GZ33 the same as the Cossar tube you mention?
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