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Crisp sounding tubes for Modwright 5400ES

I recently upgraded from a Modwright 9100ES to a Modwright 5400ES. While there were improvements, the richer mid-range and more powerful bottom end of the 5400ES tipped my previously balanced sounding system into one sounding a bit overly polite with a lack if crispness in the top end.
Can anyone advise me on what tubes (output & rectifier) and power cables to chose so as to brighten the top-end.
Grateful for your advise.
solentgreen
wig's avatar
wig
1,260 posts
 
Brownsfan,

Where can I get these Create tubes?
mofimadness's avatar
mofimadness
4,982 posts
 
I wasn't aware that Create made a 5AR4 tube? They have the 6SN7 and the 12AT/AU/AX7's, but I've never seen a 5AR4 by them.

Here is a website that sells them:

http://aloaudio.com/accessories/vacuum-tubes/
jwm
918 posts
 
Solentgreen, I had the same issue with the Sony. I sold it and bought the modright modded Oppo 95. I like this much better. In my opinion it is more open and extended on top and much tighter in the bass. I tried a lot of tubes with the Sony and ultimately was much happier with the Oppo.
podeschi
303 posts
 
ALO in Portland is an awesome store. Bought tubes and my headphones there.
solentgreen OP
45 posts
 
Thanks to all of you for your advise. One thing I neglected to say was that I had already switched to using a Mullard 5AR4 and Sylvania 6sn7 GTBs; sorry for that.
I had read elsewhere in Audiogon forums that the Mullard can be a bit 'overly-sweet' sounding, which I take to be overly-rich? So I was looking initially to change the rectifier tube for something which would give a crisper top-end. I read in another forum that the EML 5U4G has a more more open top end. Has anyone tried this?
Jwn, thanks for the benefit of your experience with the Oppo. I did think about this but then stopped when I read the following thread, where their observation was the the Oppo was fuller and warmer sounding. I am sure your experience was valid in your system; I guess that's the thing with our hobby; there are so many combinations and permutations and different outcomes in audio.

http://forum.audiogon.com/cgi-bin/fr.pl?ddgtl&1324431696&openfrom&1&4#1
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