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In the Forum: Melquiades Amplifier
In the Thread: Single-stage Melquiades vs. DHT amps
Post Subject: YO186 vs. type 45.Posted by Romy the Cat on: 5/24/2012
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 floobydust wrote:
 Been a long time since I've been on the fora... too much real work, too much travel. Still, nice to see this particular thread resurrected. I'm interested to see if you have revisited the 45 since more than a year ago. I still run my 45 amps regularly when home... and they still deliver sonically. But would be interesting to know if you have done any additional listening and/or comparisons against the YO186.
 Nope, I did not do any additional listening/comparisons. Since I settled with YO186 I stopped to experiment with MF amp. I bought a few month ago a different version of Markoni PX4 but I did not even try it. My playback is in very stable shape and since the end of the last spring I did virtually nothing with it besides turning it on and off. I was mildly playing with electricity but the nucleus of the system is very much the same. It is not that YO186 is “best” tube – very far from that but in the way how it being used in my playback I am comfortable and I have no itch to change anything.

From what I remember type 45 type are much more cleaner sounding then my YO186 and they have upper end that can’t not even remotely be matched by YO186. The YO186 has significantly richer harmonics with truly stupendous lower range. Again, it is what the tubes do but the character of tube is not the sound we get in context of tailored playbacks. I am sure if I had objectives to make type 45 tube to sound in the similar way how YO186 sound then it might be possible but it would require very substantial modification of entire Milq/Macondo configuration.  I am obviously not going to do it, particularly since I am comfortable with sound now. I do have a few dozen type 45 and might go for them as my YO186 will be gone. Still, since I have the sockets for 2A3/45 and for 4V tube than I think it will be many other kinky contestants after my stash of YO186 will be gone. It does not mean that type 45 is a bad tube, it is just a bit too straight  and too undistorted tube to facilitate the sound I would like to get from my MF channel.

The Cat

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