View Full Version : Advice required
Audio Al
11-05-2016, 14:30
Croft Micro basic tube upgrades ?
Hi
I have the above valve pre amp ,
It has 2 off J J ECC83S and
1 off Pinnacle ECC83 12AX7
Valves fitted any recommendation for better tubes ?
Thanks :)
Wakefield Turntables
11-05-2016, 18:05
Mullard work very well and were my valve of choice when I ran the Basic before I switch to the Epoch.
any recommendation for better tubes ?
Depends on your definition of "better"
I have a Croft 25RS which has similar valves in line and phono stage to yours. After much tube rolling I settled on NOS Siemens and Halske's throughout until I came across a set of NOS Amperex Bugle Boy SQ's which are now installed and staying. They give a sublime rich and detailed presentation without being too warm. Personally, I found the Mullards a bit "rich and thick" for my tastes and Telefunkens a little bright. The S&H's hit the middle sweet spot but the BB's added a little more depth.
Clearly, other system components will have an effect - I use a Croft valve MC headamp with S&H CCA's so this will have a bearing on what happens in the pre.
As always YMMV
Steve
NOS Tesla ECC83 32,s - superb alround detailed tube.
If you want some try googling Mullardman, he has them on eBay.
Sold some of these to Blackadder and I think they went down very well!
NOS Tesla ECC83 32,s - superb alround detailed tube.
JJ's sound good for my uses, I have a few.
Although IMO Toshiba 2sk170's do sound 'better' ;)
Audio Al
21-05-2016, 14:18
I have looked for the Amperex Bugle Boy SQ valves , can't find any :(
BTH K10A
21-05-2016, 16:12
I've always favoured the Brimar 6057 Trustworthy when it comes to ECC83's
CornishPasty
21-05-2016, 16:28
JJs are just too dark for my liking. I don't mind Tung Sol and I have these in my preamp. Light years better than the JJs. Sovtek LPS are very nice too and I would place them in front of the Sols but I'm happy with either. I don't bother with Mullards or any of the other overpriced exotica any more.
I have looked for the Amperex Bugle Boy SQ valves , can't find any :(
I got mine from AoS member Drew who often posts on here. He has a huge collection of NoS valves. Worth trawling through the old pages in the Private Exhibitions area.
I also have a set of Phillips Miniwatt SQ gold pin ecc83's that were NoS when I bought them - have about 100 hours -quite similar to the BB's although not quite as sweet in the midrange as well as some GE triple mica 5star ecc83's somewhere - you're welcome to try them out
Audio Al
21-05-2016, 20:09
I got mine from AoS member Drew who often posts on here. He has a huge collection of NoS valves. Worth trawling through the old pages in the Private Exhibitions area.
I also have a set of Phillips Miniwatt SQ gold pin ecc83's that were NoS when I bought them - have about 100 hours -quite similar to the BB's although not quite as sweet in the midrange as well as some GE triple mica 5star ecc83's somewhere - you're welcome to try them out
Hi Stephen
That would be good if you don't mind , PM on its way
Virtual-Symmetry
22-05-2016, 10:11
Why dont people ever mention Telefunken old stock? one of the best sounding tubes i ever used.
I had a few telefunken valves. Top stuff...as are their fullrange drivers
CornishPasty
22-05-2016, 10:59
Why dont people ever mention Telefunken old stock? one of the best sounding tubes i ever used.
Because of the inflated prices perhaps.
Why dont people ever mention Telefunken old stock? one of the best sounding tubes i ever used.
Nothing wrong with them at all (provided you don't fall for the fakes) - tried them and they were just a little too thin for my tastes. The S&H's IMO sounded "better"
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