TAD KT88 Redbase Valve's

Sophia Electric KT88

I have been using their A-selected blue bottle EL34's in my EVO 400 power amp and love them. I too was thinking of trying a set of their KT88's. Pricey though. They only recently started selling the EL 34's and KT88's again after supply chain problems.

"What tubes have you tried and liked in your Primaluna ? "

bigred71-

PL HP user- over the years, I’ve settled for NOS 6l6G.

Note that it is NOT similar to the current, 6l6GC type.

6L6G type(pre 70’s) were a lower operating voltage tube.

A compromise of KT88 bass with a "close enough" EL34 mid/high’s

Still "reasonably" priced for a genuine NOS power tube.

Edit- "Genuine" NOS can be a dice roll relating to pedigree. Many listings are "pulls" disguised as NOS. I've had good luck with Brent Jesse. 

Hi tablejockey

Thanks for getting back, yes I am aware of not having the mid/highs on the KT88's , I will keep my EL34's but I fancy trying out the KT88's.

What tubes have you tried and liked in your Primaluna ? 

Are you aware of losing the  EL34 mid/highs that the KT88 will not have?

The KT88 might be more dynamic/have more bass, but the EL34 magic will be gone-not in a bad way, just different.

KT77 will have more bass but retain the EL34 mids/highs.

Longtime PL user here. I have tried all, but use none of the above.

Thanks I will go over there and check out what is been said about them, good luck with your EL34's I have read that a lot of guys seem to like them, I would have gone for the EL34's, but I really fancy trying out the KT88 valve.

Let me know how you get on and what you think of the EL34's as I may well buy some to keep as a spare set.

Steve. 

I just purchased some TAD EL34s Red Base from Viva Tubes yesterday off some of the comments found over at Steve Hoffman. Curious to see how they sound. I remember that there was some conversation about the KT 88s - may be worth hopping over there and doing a quick search.