[sdiy] Help with Jupiter 8 clone

[Mike Bryant]

How can audio suffer from putting a PSU in with 100 times better performance ?    No 50/100Hz at all and general noise almost zero.  And it’s far less heat so everything else runs cooler and better.  I think too many people see the noise from their phone charger or whatever and assume a proper SMPS is like that.


From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Josh Nursing via Synth-diy
Sent: 02 August 2022 16:35
To: Synth DIY
Subject: Re: [sdiy] Help with Jupiter 8 clone

I really don't like the idea of replacing the linear PSU in those vintage synths with a SMPS one. Audio suffers.

On Tue, Aug 2, 2022 at 7:45 AM Adam (synthDIY) <synthdiy at adambaby.com<mailto:synthdiy at adambaby.com>> wrote:
Luís, I assume you’re aware of this

https://synthronics.de/roland-jupiter-8-new-psu/

and this guy, who has been ominously quiet of late

https://jup8restoration.wordpress.com/2019/10/22/new-power-supply-being-manufactured-for-a-jupiter-8/




A


On 2 Aug 2022, at 3:57 am, Luís Marka via Synth-diy <synth-diy at synth-diy.org<mailto:synth-diy at synth-diy.org>> wrote:

Hi guys,

I am giving a serious thought about building a Jupiter 8 clone, and started to take a deeper look at the schematics (actually I already ordered some of the parts, so it looks like I will get it done eventually). In the PSU there are three GP-30G diodes tied at the -15, +15 and +5V outputs, listed as "Hi-Fi Special" both in the schematics and in the parts list. I never heard anything about a "hi-fi special" diode, any idea what that means??

Cheers!

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