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Thoughts on Overlord 12AX7-HD / ECC803S-HD tubes

Hi everyone

I stumbled onto a listing about Overlord 12AX7-HD tubes but didn't find much info on them.

Here are some videos

https://www.youtube.com/watch?v=uxcpQ1pT6zI

audio system using these Overlord tubes playing music.

https://www.youtube.com/channel/UC9LRS8aN7D2qPE0wjFwpnlg

When I looked at some information about them the info was vague.

http://www.ebay.com/itm/Overlord-Nos-Nib-Match-Pair-12ax7-HD-ecc803s-Ultimate-12ax7-Tubes-GOLD-Pins-HIFI-/301695681300?hash=item463e76c314

Has anyone heard about these tubes or used them in their systems? IF so what are your thoughts. From looking at these tubes I think they are a dressed up 12AX7s.

Thanks and I honestly have no affiliation with the seller of these tubes or the company that makes them. I'm just curious about them.
128x128jedinite24
fighterfoo
1 posts
 
Anyone know where I can get a pair of these? My buddy got a pair for his girls amp and now mine wants them too. She loves the fact that they glow and look modern and how they sound. I gotta admit I thought it was BS at first but even if it looks like a dressed up tube it's still high quality and great sound. I'm super picky about my equipment but they are honestly the best I've heard in a while. Does anyone know if they are available anywhere besides Ebay?
break12
2 posts
 
Run away. These are el cheapo 5755 tubes with adapters and a weird hat :) . 5755 isn't a very good sub for 12AX7, due to low transconductance and high plate resistance will not have good drive. This seller 'old_guy_radiola' is a notorious scammer and relabler on ebay, check around the forums. Not to be confused with the real RadiolaGuy.com who is a great dude.
jedinite24's avatar
jedinite24 OP
1,503 posts
 
Sorry for the late reply. I lost track of this thread. Appreciate your thoughts on this break12.
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