3. EQ531T build
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Author Topic: EQ531T build

June 30, 2025, 10:54:43 AM
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Lud

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EQ531T build
Hi everyone, I have started building the 531T and there's three 470 condensers and one 470 KAK listed. I have four KAK. Is that an Issue?

Cheers.
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June 30, 2025, 03:06:04 PM
Reply #1

JPK

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Re: EQ531T build
No issue there.
We have supplied all the 47pF in 250V to avoid mistakes.
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JPK
June 30, 2025, 03:21:06 PM
Reply #2

Lud

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Re: EQ531T build
Ok, thanks a lot.
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July 02, 2025, 11:06:56 AM
Reply #3

Lud

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Re: EQ531T build

I've done the build and i have strong dirty noises parasites in, unit off or on, around -30/-25 dbfs. Everything was good when testing exept with TR1 that i can't match the 1vAC, it only goes to 0,88v.

Have you got an idea what the first thing i've got to check?

Cheers.
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July 02, 2025, 05:17:32 PM
Reply #4

JPK

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Re: EQ531T build
I added a Try to follow the signal section in this thread: https://www.soundskulptor.com/forum/index.php?topic=7346.0
Try it!
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JPK
Today at 10:45:39 AM
Reply #5

Lud

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Re: EQ531T build
Ok, so this is what i got :

TP1 : 0,75
TP2 : 0,7
TP3 : 0,7
TP4 : 0,65
TP5 : 0,65
TP6 : 0,65

Those cracklings are actually always there, even when the Lunch box is off.
« Last Edit: Today at 10:53:53 AM by Lud »
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