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drdna wrote:

You want a suggestion for a good 2A3? Get Ricardo Kron's (KR Audio Enterprises) KR 2A3. Very rugged, overbuilt. There is no comparison between this tube and all other 2A3's, and I tried many of them. The sound is more dynamic, the timbre is more lifelike, the transients are more accurate.

The audio Kit comes with Sovtek tubes that are might be expectably bad. The Shuguang 2A3 are single plate that might be interesting. I have difficult time to hear the comments of other about the DHT tubes as they uselessly drool about its LF extension. I so much care less about the 2A3’s bass. It will be used than it will sit behind a 3200 Hz crossover in DSET configuration with an ultra-fast transformer with minimum amount of turns. I do not see anybody comment about the DHT tubes in DSET application… I have those Sovtek tube that she be good to measure operational parameters. I have a pair of new Tang Sol 6A3 from 1944 and a pair of new RCA from 1942. I think they might be a good enough to try for start. If the DHT will turn out a good direction to go then for the channel the will be built-in in the 6Ch Milq I might go for older single pate tubes with thoriated Tungsten heaters. I do not know yeat. The Sun Audio amp will be a good and comfy play-ground for those things.

drdna wrote:

Does it mean with the PP2000, you will abandon the Melquiades and go for DH SET instead now?

Actually I do not how going for DH DSET would constitute the abandoning of Milq. Melquiades idea was two-stages, both with grounded cathodes amp where the Milq-style biased 6E5P drives output stage. The output tube is not part of Milq idea at all. The uniqueness of 6E5P (besides sonic characteristics) that it can give high gain - output 100V and have pump enough current to push the next tube capacitance. This gives a unique opportunity to swing the out tube juts with one gain stage where mostly people use two stages. There is/was a Milq with 6C33C, 6C41, GM70, 6GL and even with SS output stages. So, I do not see if the out stage will be 2A3 then it will be any departure from Milq. BTW, whatever I m talking about I mean the MF channel only as I other channels in my view perform fine and I intend to keep them as they are

BTW, I have no desire to glue myself to Melquiades or to not Melquiades. Whatever works! Whatever sound I will be able to get with 2A3 of any other DHT it will be competing with what I currently have. I still am not convinced that the DHT will be better solution. It looks that I would like to have more gain at my current MF channel; I would need 1-2 db more or more if I change loading. I do not know yet, it will be seen as time goes by…

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