Originally Posted by Gradofan2 /img/forum/go_quote.gif If you want a very clear, solid, dynamic, punchy sound with great bass, mids and highs - the Tung Sol 12AX7s are some of the best at reasonable prices.
I use them in my Cal Audio Tube DACs - there's nothing better in those.
They get very good reviews.
Just don't buy them from Musician's Friend, or Music 123 - sometimes they don't package them properly.
Of course... I'm sure some of these "mega-buck" NOS tubes are great - but, whose going to spend that kind of money on a perishable item? Might as well set fire to a few hundred dollar bills. That's not my style.
See the MAD EAR+ HD threads - a lot of owners really like the RCA Blackplate 5751s. And... the lower gain, may provide less noise, if any.
When I had my Mapletree I really enjoyed the GE 5751 gray plate. An RCA 7025 provided a bit more gain but since I listen at low volume I preferred the 5751.
Originally Posted by Happy Camper /img/forum/go_quote.gif Are the Tung Sols US or Russian?
I really don't know...
You can check with Tube Depot, or the Tube Store, or several other vendors - they're pretty easy to find, and they're not expensive.
Also... the Sovtek LPS12AX7 is also reported to be a great tube. Check with the same vendors.
Do a search on this forum for the MAD threads... and you'll find lots of discussions about good tubes for them - many being "Mrarroyo's posts." Most are focused around 5751s, which have less gain than the 12AX7s, and may make the amp quieter. Though, I've never heard of a MAD amp producing much noise with any tubes.
Originally Posted by Gradofan2 /img/forum/go_quote.gif I really don't know...
You can check with Tube Depot, or the Tube Store, or several other vendors - they're pretty easy to find, and they're not expensive.
Also... the Sovtek LPS12AX7 is also reported to be a great tube. Check with the same vendors.
Do a search on this forum for the MAD threads... and you'll find lots of discussions about good tubes for them - many being "Mrarroyo's posts." Most are focused around 5751s, which have less gain than the 12AX7s, and may make the amp quieter. Though, I've never heard of a MAD amp producing much noise with any tubes.
The new 'Sols are whereas the older ones are US made and have been reported to be quite a bit better.
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