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Help Tannoy XT6F with Primaluna

Hello all.
Just got a pair of Tannoy Revolution XT6F speakers. They are supposed to replace KEF LS50s. I'm driving them with a Primaluna Prologue Premium power amp. The new Tannoys sound awful with the Primaluna. Very peaky upper midrange and not much bass. Pretty unlistenable. Tried them with my old Rotel RB990 solid state power amp and they sound much much better. Tried the 4 and 8 ohm taps. Tried the stock Primaluna tubes and some KT 150s. No good. The Primaluna sounds great with the KEFs. Any ideas? Thanks in advance.
Ben
honashagen
honashagen OP
137 posts
 
 Well I have about 60 to 70 hours on the speakers I believe. Morrow Audio says it will probably take at least 200 hours. I have them set up out-of-the-way facing each other as close as I could get them with a mono signal and wired out of phase.  I'm going to play them 24 hours a day for five days and see what happens.  That should get me close to 200 hours total.

The Klei cables appear awesome.  It scares me though to spend $800 on new cables.

schubert
7,386 posts
 
I knew the reason once but I forgot it, but cables break in better if you give them about an 8 hr " rest"  every other day .
williewonka
3,082 posts
 

Honashagen - I agree - they are a lot of money :-)

I had the advantage of trying them first.

When I received the gZero2’s for review I could not believe how skinny they were.

I had tried some "skinny cables" before and found they lacked bass performance compared to my Van den Hul D352’s, so I installed the gZero2’s with A LOT of doubt.

It only took the first track to realize these were something really special. Then the album surfing began and my doubts vanished!

I had no such doubts when the gZero6’s arrived and found they provided even deeper and a more controlled bass performance.

Their performance in the rest of the frequency range is excellent also - the most articulate cables I have ever tried :-)

Unfortunately I’m unable to guarantee they will work, especially with the Premaluna, which I’m sure would be your preference.

Unless.... you live in the Toronto region? :-)

Regards...

honashagen OP
137 posts
 
Update.
I got another 125 hours of burn in on the Tannoys for a total of about 200. Sounding better. Another 200 should do it. 

213runnin
914 posts
 
If your morrows are also brand new, then that's a major cause of sound oddities.  The Morrow cables absolutely REQUIRE around 400 hours of break in.  

The Morrow site explains this in great detail, they are not like most other brands since they have mainly solid core copper plated with silver.   I've got 3 pairs of Morrow RCA's and experienced this myself.  I decided against buying Morrow speaker cables for this reason.  I had left my system alone for about a month, and the Morrow cables needed an hour to get back to normal.  
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