Eufonika (Valve amps from Poland)
Oct 28, 2023 at 11:12 AM Post #1,097 of 1,399
received my H5 kpcu after a painfully long wait and unfortunately it arrived damaged.
luckily its working fine.
only went for stock tubes and was expecting them to not be that great. But, i have to say, so far its sounding lovely with my dt1990.
i do plan trying rolling the tubes regardless as this was one of the big appeals of the amp for me.
as others have said, the amp is totally silent with no signal at full volume.
great bit of kit, just a shame that baggage handlers/couriers cannot take more care.

i need to learn which tubes are compatible, so will start by re-reading this entire thread.

i am curious if the front tube or rear affects the signature more than the other?
 
Oct 28, 2023 at 11:34 AM Post #1,098 of 1,399
Ouch! Sorry to hear about that damage!

What kind of tubes did you get stock? Wieslaw indeed does provide more than decent ones, which exactly depending a bit on what he has in his NOS stock.

I have found both tubes to have a large sonic impact. Mix & match! Typically you would start with the preamp tube but let’s see what you have in your hands today.
 
Oct 28, 2023 at 12:45 PM Post #1,099 of 1,399
Ouch! Sorry to hear about that damage!

What kind of tubes did you get stock? Wieslaw indeed does provide more than decent ones, which exactly depending a bit on what he has in his NOS stock.

I have found both tubes to have a large sonic impact. Mix & match! Typically you would start with the preamp tube but let’s see what you have in your hands today.
an rca 6080 at the rear and the front one is a 6h8c but no clue on manufacturer
 

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Oct 28, 2023 at 1:17 PM Post #1,101 of 1,399
received my H5 kpcu after a painfully long wait and unfortunately it arrived damaged.
luckily its working fine.
only went for stock tubes and was expecting them to not be that great. But, i have to say, so far its sounding lovely with my dt1990.
i do plan trying rolling the tubes regardless as this was one of the big appeals of the amp for me.
as others have said, the amp is totally silent with no signal at full volume.
great bit of kit, just a shame that baggage handlers/couriers cannot take more care.

i need to learn which tubes are compatible, so will start by re-reading this entire thread.

i am curious if the front tube or rear affects the signature more than the other?
Sorry to hear about the damage, really not what you want efter waiting a long time. Sad that couriers can't handle the packages better 😑
How long did you wait to get yours?
 
Oct 28, 2023 at 1:58 PM Post #1,103 of 1,399
initially ordered on aug15.
that amp went awol and Wieslaw sent out a 2nd one which arrived today.
 
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Oct 28, 2023 at 2:00 PM Post #1,104 of 1,399
As a woodworker, if a piece I made was damaged like that in the shop, I'd put a roundover on the whole top edge and call it a day. If you taped it off we'll, you wouldn't even need to disassemble it.
if i attempted that i am pretty sure it would end up looking worse.
 
Oct 28, 2023 at 2:26 PM Post #1,105 of 1,399
Oct 28, 2023 at 2:49 PM Post #1,107 of 1,399
Thank you, it was my first time staining. I might go back and make it even darker in the future, but for now I'm enjoying the color and the new sound of the 6922 tubes.
hi mate,
could you please post a link to the adapter for the 6922 tubes, the old one doesnt seem to work my end.
i have a box of 6922s that i can try in my new H5
 

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