Santiago Alvarez (electronics engineer, JVM, YJM, AFD...)

Nerd said:
Cheers Santiago, take all the time you need. It's essentially one digital unit set to instrument level acting as a host to some other gadgets.

Thank you
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Hi, just had a quick look at the H90 and I don't think you should have any issues with it as looks pretty flexible. I don't have one (not I have a JVM with me either) to test but I'd try two options:
1- use the Power amp insert loop, set the H90 as LINE level. This series-only loop is just a passive insert in the signal before the power amp. The level here is on the hot side, I have used without problems with devices that tolerate line levels but you'll see the vu-meters quite high
2- Use the series/parallel switchable loop in LINE level (H90 again set to line), then set the MIX on the back to 100%.

I am assuming that you will have the JVM loop ON all the time, is this correct? If this is the case you shouldn't have any issues at all with the parallel loop (if you set the mix to 100%)
 
Jonttu said:
Could be? I will replace the tube once i put the amp back together.

I removed every IC, transistor and relay from the frontboards and now im waiting for new components to arrive.



View attachment 15655
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Helllo there! It's been awhile... allmost year when I replaced all the relays, transistors and IC's... Everything worked fine for a couple of minutes and then amp channel "jammed" again :D

It has new mainboard (so new Atmel and everything) and new components in the channel changing ciruit but no.. problem is still there!

So i got new JVM410h and i forgot the whole thing... maybe if i ever feel motivated i will build external controller board for this... we will see :)

Cheers!
 

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