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Inspire by Dennis Had Enjoying Vacuum Tube Audio

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  #6591  
Old 09-21-2021, 10:48 AM
FloridaBoy FloridaBoy is offline
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Quote:
Originally Posted by DRHamp View Post
I have a pair of Cunningham CX371-A that are very nice, not quite up to the CX301A IMO but close. Have a matched pair of 112A on the way - will be my first try at the 12A varients.
It's quite possible that the preferred tube depends on the rest of the system and personal taste.

Check this site out: https://vinylsavor.blogspot.com/2013...th-ux201a.html

Last edited by FloridaBoy; 09-21-2021 at 11:30 AM.
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  #6592  
Old 09-21-2021, 02:06 PM
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Originally Posted by Simonatsea View Post
Does anyone know if I can use my newly aquired TJ full music 274b/n/+ tube in an LP-2? My current favourite tube in my pre is a Sophia Princess 274b mesh plate. Hoping a “superior” designed tube from the same manufacturer will best it.
Apparently Dennis has said its safe to use in his power amps (non infinite PS) but I am unsure of his pre’s.
Looks like this tube draws 4amps instead of 2amps of the regular 274b

Thanks
The 4 amp filament current may be a problem. I don't know what the PT is spec'ed for in that build, but most rectifers don't generally pull more than 3A.
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  #6593  
Old 09-21-2021, 10:11 PM
Simonatsea Simonatsea is offline
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Originally Posted by Analog Addict View Post
The 4 amp filament current may be a problem. I don't know what the PT is spec'ed for in that build, but most rectifers don't generally pull more than 3A.
Thank you, I figured its best to proceed with caution. I’ve emailed Dennis, fingers crossed.
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  #6594  
Old 09-24-2021, 08:13 AM
MTNDave MTNDave is offline
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Default LP-2030 rectifier

Using only 301/201 tubes in the LP-2030 preamp, what rectifier tubes have people used and liked?
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  #6595  
Old 09-24-2021, 01:02 PM
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[QUOTE=MTNDave;1045848]Using only 301/201 tubes in the LP-2030 preamp, what rectifier tubes have people used and liked?[/QUOTE

I dunno how much difference rectifier changes will make since Dennis is using a VR tube on each channel....
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  #6596  
Old 09-26-2021, 06:28 PM
MTNDave MTNDave is offline
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I have a Decware Ultra preamp that uses VR tubes and changing the rectifier tube makes a difference. That preamp responds very well to type 80 rectifiers.
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  #6597  
Old 09-26-2021, 08:12 PM
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  #6598  
Old 09-28-2021, 11:14 AM
FloridaBoy FloridaBoy is offline
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[QUOTE=Analog Addict;1045855]
Quote:
Originally Posted by MTNDave View Post
Using only 301/201 tubes in the LP-2030 preamp, what rectifier tubes have people used and liked?[/QUOTE

I dunno how much difference rectifier changes will make since Dennis is using a VR tube on each channel....
My 2030 has a UX4 socket and I'm using a TJ Full Music 274A rectifier and I thought it sounded better than the 5Z3 I was using. But, in audio, thoughts can be deceiving.

Mtn Dave what are you using?
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  #6599  
Old 09-29-2021, 08:06 AM
MTNDave MTNDave is offline
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Currently, I am using a type 80 globe. As time goes by, I will try a 5ar4 circa 1955, Bendix 6106, CV 1863, Sylvania 5931 circa 1957 and a RCA 5r4gy V getters. This will take some time.
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  #6600  
Old 09-30-2021, 08:14 AM
DRHamp DRHamp is offline
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Quote:
Originally Posted by MTNDave View Post
Currently, I am using a type 80 globe. As time goes by, I will try a 5ar4 circa 1955, Bendix 6106, CV 1863, Sylvania 5931 circa 1957 and a RCA 5r4gy V getters. This will take some time.
Interesting, I hadn't thought about rolling rectifiers in the 2030 - mine came with a 5U4G, but maybe I should try some others. I will be interested to hear your collective thoughts on how the various rectifiers impact sonics.
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