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How to connect tube pre amp section of Hybrid amp to second Integrated amp ?

Guys, I’m looking to messing around with my equipment and can use a bit of help as I don’t want to fry my equipment. Thanks a lot, in advance for your time and help.

I have a Hybrid Amp (Amp 1) a Luxman LV-104U integrated with a tube pre-amp & SS power amp. I need to use only the tube pre-amp section of Amp 1 and send the signal to Amp 2, a Luxman A-353 Integrated. I’m planning to connect 2 pairs of JMLabs to amp 2. Both amps have Pre Out connections.

I also need to use EQ 1 in my signal to enhance the signal (EQ1). I need to use EQ2 purely for analyzer display purpose (not to enhance signal). Both EQs are Technics SH-GE70.

My question to you is:

  1. Will this connectivity work and do you see any potential issues or risks?
  2. I’m bewitched by tube glows and spectrum analyzers. Does adding additional EQs purely for display purposes can cause any harm?
  3. How does volumes of Amp 1 & 2 affect sound?

 

xxtremevish
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jasonbourne52's avatar
jasonbourne52
2,863 posts
 

Your diagram is correct! Connecting two pairs of speakers to Amp 2 will double its current draw and cause it to run hotter.

oddiofyl's avatar
oddiofyl
3,922 posts
 

Personally I would not feed an integrated amp's output into another integrated amp's input.   I see all kinds of volume matching problems and distortion.    That arrangement is referred to as cascading and it often yields poor results.    Won't hurt anything but is not really desirable.    

jasonbourne52's avatar
jasonbourne52
2,863 posts
 

@oddiofyl : the OP is going to connect the tube preamp of Amp 1 to the "main-in" of Amp 2. Thus avoiding Amp 2's preamp stage. No problem! 

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