• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

JacMusic for Valves

And I forgot to say that KR have good customer support in my experience. Marek Gencev is very kind person and will reply to all your technical questions too and tell you how to use their tubes in the best possible way.

Last but not least the KR-45 is rated 15W. Although I would not advice running this hot it has a very useful advantage: life expectancy.
To reach long life however you will need to take a lot of care of filament supply. DC heating, especially with boards like those of Rod Coleman or TentLabs, are a must.
 
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some years ago i bought lundahls and covers.
i had to urge by email, becuase no response and i was not receiving the goods.
later when i asked again for the tracking info, then i got the goods... but the trafo covers he sent wrong sizes.. i had to send back to him to replace....

i am very unhappy, that lundahl has not ebay shop.
it is more to pay, but as buyer you have some protection !!!
 
some years ago i bought lundahls and covers.
i had to urge by email, becuase no response and i was not receiving the goods.
later when i asked again for the tracking info, then i got the goods... but the trafo covers he sent wrong sizes.. i had to send back to him to replace....

i am very unhappy, that lundahl has not ebay shop.
it is more to pay, but as buyer you have some protection !!!

Dear Peter,

I ordered already a good amount of Lundahl transformers and chokes from audiohobby.eu in Estonia. They ship worldwide and are very professional and quick. Communication with them was uncomplicated. Full recommendation! They order anything from Lundahl, so no need to rely on what they hold on stock.

Kind regards, Henning
 
EML tubes

Hi guys. I have same problem. Three times order EML tubes and Lundahl transformers. And evertime I have problem and I received the goods after 1 - 2 months!! He absolutly ignore the emails. The communication is horrible. EML tubes they are great so thats why I order again because I make some amplifier with 300B-XLS for my customer from USA and I need the tubes very fast.. I make mistake because I paid by bank wire so it is difficult cancel the order. He has my money and I have nothing.. Really I am very sad because beautiful Czech hand made tubes EML and owner of the name - brand EML is Jac! I will start use KR audio it is form same factory but the owner of the brand KR audio I hope will be better...Thats my experiences Regards Libor - analogservis.cz