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CAL Alpha produces brutal gain

My system is made of Jolida 302  integrated tube amp , Thorens TD160 + Cambridge preamp and a tablet for simple MP3 background music.
About four speaker sets :AR,Vintage Jamo, Tannoy and Joseph audio.
I recently got a nice CAL Delta transport and Alpha tube DAC.
Everything works BUT , the output coming from the CAL DAC is aggressive. Cannot turn the volume knob over 8 o'clock. I am usually at 9-12 with all others.
The sound is compressed.
I have a very warm relaxed 3d listening set . The Alpha tube DAC seemed like a natural partner...

Anyone experienced such a thing ? 
Too much gain? 
Any idea? 
*Replaced the cables (rca and coax)
** Changed the input channels
*** Checked bias
**** What's next?????
Tnx
ehollander

Showing 1 response by ehollander

ehollander OP
2 posts
 
Thanks for trying to help . 
I order a set of JJ5751 these have a 30% lower gain + a set of Mullard CV4004/12ax7
Will roll these and see if there is any improvment .
Any infi on the ressitor kit wil be appreciated .

BTW - anyone cad share any insigh on how good would the Alpha do with tiday's streaming ?

TNX 
Eyal 
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