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Replacement for SED 6550C Winged C

 I am now using SED 6550C winged C from 2008.  I really love the tone texture of these tubes.

I am having some trouble with my set (4) of these tubes and would like to get a replacement, however I am not finding the exact replacement, made in St. Petersburg, at a reasonable price from a trustworthy dealer.  I could get a set from  Russia but I prefer to try domestically first.

Consequently, I am asking if any of you, having experience with this tube, if you know of another tube that has such tone and texture.  I focus primarily on vocals.

chinook9

Showing 2 responses by georgehifi

georgehifi's avatar
georgehifi
10,312 posts
 


As for the best sounding 6550 I’ve listened to, it been NOS Mil Spec Green Label GE plain white box, like these $350usd each!!!!!
https://cdn.shopify.com/s/files/1/0333/7633/products/1_df378355-c1a5-4552-aa85-251a38398fc0_large.jp...
The glass was twice as thick you feel it in the weight and hear it when you flicked them with your finger nail.

Cheers George
georgehifi's avatar
georgehifi
10,312 posts
 
Replacement for SED 6550C Winged C

I had great results with Rogue M120 monoblocks, modded with far better output transformers with KT90’s then after KT120’s from Mike Mathew’s New York company "New Sensor" or "Electro-Harmonix" Whatever he calls it today. Just make sure the heater circuit is up to it, as from memory I think one or the other may take a bit more current than the 6550.

https://shop.ehx.com/item/kt90eh/
https://shop.ehx.com/item/kt120%20tung-sol/

Even cheaper with an account.

Cheers George


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