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Rectifier tubes
Rectifier tubes
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Old 7th June 2003, 05:11 PM   #1
yuval is offline yuval
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Default Rectifier tubes

Hi all,

My amp came with Edicron 5U4G rectifier tubes, I wanted to experiment a bit with other makes. can I aslo try the 5U4GB ? I saw some nice NOS 5U4GB tubes and it would be also interesting to try the EH 5U4GB.

thanks in advance,
Yuval
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Old 7th June 2003, 05:36 PM   #2
Magnetmaz is offline Magnetmaz  United States
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Yes, you can use 5U4GB....i would go for the NOS ones over EH any day.

-Maz
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Old 7th June 2003, 08:50 PM   #3
fdegrove is offline fdegrove  Europe
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Default RECTUMFRIERS...

Hi,

If you already have the Edicrons it isn't worth it to spend extra cash on the EH.
Both are quite likely just the Russian 5U4Gs anyway.

NOS 5U4Gs would be my choice but I fail to see why you want to experiment with different rectifiers...there are much more important aspects of an amp worthy of experiment IMHO.

De gustibus et coloribus non discutandum est, of course.

Cheers,
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Old 7th June 2003, 10:53 PM   #4
yuval is offline yuval
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thanks for your input,

I read some reviews that report positive change with NOS rectifiers, I thought I'de stock some backup tubes so why not experiment ?

cheers,
Yuval


BTW, what do you think about the EH KT88 ? same s**t as Svet's ?
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Old 7th June 2003, 11:19 PM   #5
fdegrove is offline fdegrove  Europe
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Hi,

No one can stop anyone from toying around...it's your money.

Quote:
BTW, what do you think about the EH KT88 ? same s**t as Svet's ?
Quite likely the same tubes plus some added value perhaps...

Cheers,
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Old 8th June 2003, 12:09 AM   #6
Guydot is offline Guydot
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I actually heard users of the EH KT88 say it is remarkably good and that it's close to the old GEC's, or at least closer than the Svet's - guess that's something to try one of these days

Cheers,
Guy.
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Old 8th June 2003, 07:25 AM   #7
yuval is offline yuval
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fancy GECs cost quiet a bit, I wonder if anyone really did make a direct comparison between the EH and GEC, does it worth the extra $ ... anyway NOS tubes are to disappear someday so maybe it's better getting used to russian subs
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Old 8th June 2003, 12:17 PM   #8
clivetjm is offline clivetjm  United Kingdom
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Yuval,

I swapped the Edicrons in my WAD KaT34 for the National 5U4GB. Being the GB they drop voltage by an extra 6 volts (or should, I've not measured it yet). I found that they give a big improvement, a lot of "mush" is removed. Perhaps the bass is a touch less prominent due to the extra mid and top-end detail. Still plenty of bass though. The quality of the bass did not change (fortunately).

Whilst you won't turn a bad amp into a good one with these rectifiers, I certainly experienced a very worthwhile improvement. The sort of difference you get with swapping from an avaerge sounding output tube to a good one.

Clive
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Old 14th June 2003, 06:40 AM   #9
Le Basseur is offline Le Basseur  Croatia
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Do yourself a favor and get a 5R4WGB.Even the recent products (Cetron samples being sold by Triode Electronics) are a killer!
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