It's nice that you want to do it. I have got a pair of them from one of you and now enjoy really good sound but it would be good to have spare ones. Just in case.
And Papa send it to me! Made my day. A packet full of LU1014 JFEts.
Waiting for instructions....from Papa on how to distribute them.😀
Waiting for instructions....from Papa on how to distribute them.😀
Baaaaaad Papa!!
take your time ...... and match them well
I hope to have soon (month or so) tried and tested LuDEF amp , so that will be another one worth building ..... even Veroboard-friendly
🙂
take your time ...... and match them well
I hope to have soon (month or so) tried and tested LuDEF amp , so that will be another one worth building ..... even Veroboard-friendly
🙂
Hi
I’m working on a ZV9/F3 and need some guidance on where to locate the output device to maximize heat spread across the heatsink. 2 scenarios; one with devices far from each other and the pic they are closer.
Heatsink is fan cooled, 300mm (D) x 180mm (W) with 50mm fins. I have no clue if this setup will be able to stay below 50C while having to dissipate 150W (75W/ch)
Thanks for the advice
Eric
I’m working on a ZV9/F3 and need some guidance on where to locate the output device to maximize heat spread across the heatsink. 2 scenarios; one with devices far from each other and the pic they are closer.
Heatsink is fan cooled, 300mm (D) x 180mm (W) with 50mm fins. I have no clue if this setup will be able to stay below 50C while having to dissipate 150W (75W/ch)
Thanks for the advice
Eric
Attachments
Is the right one better if the fan is located in the middle and blows less air on the side fins ?
I used 3 separated heatsinks to build a single channel and I noticed that the only one which is really hot is the Q2 heatsink. Its temperature is much higher than the rest. IMO I would advice you to cool the place near Q2 if you want to use a fan and locate Q2 in the middle of heatsink. Of course if we talk about Z9. Mark is according to the schema.
Dear Mr. Pass,
for the EU boys I would like to say THANK YOU!
Shipping will be in a few days, thank you again!
for the EU boys I would like to say THANK YOU!
An externally hosted image should be here but it was not working when we last tested it.
Shipping will be in a few days, thank you again!
The EUVL headphone thingies assume you have matched FETs.
So does the ZV9, if you read Nelson's article carefully.
But I bet no one has tried this ome.
Just google LU1014 for images.
Patrick
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Papa said none of his designs calls for matched LU1014D , EUVL can you please elaborate ?
See First Watt ZV9 article under "A Few Construction Notes".
Also in post #7 "Match them yourself...."
Post #14 "so somebody (else) must chime in for matching and distribution..."
Post #24 "take your time ...... and match them well..."
Patrick
Also in post #7 "Match them yourself...."
Post #14 "so somebody (else) must chime in for matching and distribution..."
Post #24 "take your time ...... and match them well..."
Patrick
Patrick , ZV9 and F3 uses only one LU1014D per Chanel. There is matching process to set the dostortion to the lowest but that is for R3 in ZV9. Don't understand how matching comes into play when there is only one device per channel?
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