[sdiy] Uses for Chinese Tube Preamps?

[Vladimir Pantelic]

better image attached


On 14.10.24 09:04, Rutger Vlek via Synth-diy wrote:
> It looks like they are supplied with 12V. Would that be internally 
> pumped up to the typical voltages required by tubes? Or is it a starved 
> plate design (still requiring more than 12V). Or are they tubes only 
> there for decoration? :).
> 
> Rutger
> 
> Op ma 14 okt 2024 om 08:07 schreef Spiros Makris via Synth-diy 
> <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>>:
> 
>     This is an example of what I'm referring to
>     Preamp on Aliexpress
>     <https://vi.aliexpress.com/item/1005006868194344.html?spm=a2g0o.detail.pcDetailTopMoreOtherSeller.9.1bd0YKRYYKRYI4&gps-id=pcDetailTopMoreOtherSeller&scm=1007.40050.354490.0&scm_id=1007.40050.354490.0&scm-url=1007.40050.354490.0&pvid=ef3bc583-760d-4419-a176-11392f6ae148&_t=gps-id:pcDetailTopMoreOtherSeller,scm-url:1007.40050.354490.0,pvid:ef3bc583-760d-4419-a176-11392f6ae148,tpp_buckets:668%232846%238107%231934&pdp_npi=4%40dis%21EUR%2119.12%2119.12%21%21%21144.55%21144.55%21%40210386d117288852188184318e5035%2112000038567904559%21rec%21GR%21861493032%21XZ&utparam-url=scene%3ApcDetailTopMoreOtherSeller%7Cquery_from%3A>
>     There's 2-3 variations of that, in DIY kit or prebuilt versions.
>     I don't have any specific sound in mind, I'm just curious what it
>     could do if you push it over the edge 😅
> 
>     On Sun, 13 Oct 2024 at 01:56, Jay Schwichtenberg via Synth-diy
>     <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> wrote:
> 
>         I'm assuming that these are 'audiophile' preamps.
> 
>         One thing to keep in mind is that audio preamps are designed to
>         sound
>         good and guitar preamps are not. Most of the distortion in a guitar
>         preamp is because of their lousy design and poor quality parts.
>         So if
>         you are looking for guitar type sounds then you're going to have to
>         modify these preamps.
> 
>         Jay S.
> 
>         On 10/12/2024 10:22 AM, Spiros Makris via Synth-diy wrote:
>          > Hello List,
>          > I recently saw a short demo video of some pretty cheap tube
>         preamps
>          > from aliexpress. I have no use for a preamp right now, but
>         given the
>          > price (16 euros delivered!) I guess it would be fun to
>         overdrive it or
>          > do some mods to it. I am expecting a spring rever driver PCB,
>         and I
>          > was entertaining the idea of combining it with a tube
>         drive, to apply
>          > on synthesizers.
>          >
>          > Has anyone tried it? Maybe even have a schematic to share?
>          >
>          > ________________________________________________________
>          > This is the Synth-diy mailing list
>          > Submit email to: Synth-diy at synth-diy.org
>         <mailto:Synth-diy at synth-diy.org>
>          > View archive at: https://synth-diy.org/pipermail/synth-diy/
>         <https://synth-diy.org/pipermail/synth-diy/>
>          > Check your settings at:
>         https://synth-diy.org/mailman/listinfo/synth-diy
>         <https://synth-diy.org/mailman/listinfo/synth-diy>
>          > Selling or trading? Use marketplace at synth-diy.org
>         <mailto:marketplace at synth-diy.org>
>         ________________________________________________________
>         This is the Synth-diy mailing list
>         Submit email to: Synth-diy at synth-diy.org
>         <mailto:Synth-diy at synth-diy.org>
>         View archive at: https://synth-diy.org/pipermail/synth-diy/
>         <https://synth-diy.org/pipermail/synth-diy/>
>         Check your settings at:
>         https://synth-diy.org/mailman/listinfo/synth-diy
>         <https://synth-diy.org/mailman/listinfo/synth-diy>
>         Selling or trading? Use marketplace at synth-diy.org
>         <mailto:marketplace at synth-diy.org>
> 
>     ________________________________________________________
>     This is the Synth-diy mailing list
>     Submit email to: Synth-diy at synth-diy.org
>     <mailto:Synth-diy at synth-diy.org>
>     View archive at: https://synth-diy.org/pipermail/synth-diy/
>     <https://synth-diy.org/pipermail/synth-diy/>
>     Check your settings at:
>     https://synth-diy.org/mailman/listinfo/synth-diy
>     <https://synth-diy.org/mailman/listinfo/synth-diy>
>     Selling or trading? Use marketplace at synth-diy.org
>     <mailto:marketplace at synth-diy.org>
> 
> 
> ________________________________________________________
> This is the Synth-diy mailing list
> Submit email to: Synth-diy at synth-diy.org
> View archive at: https://synth-diy.org/pipermail/synth-diy/
> Check your settings at: https://synth-diy.org/mailman/listinfo/synth-diy
> Selling or trading? Use marketplace at synth-diy.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Screenshot_20241014_100445.png
Type: image/png
Size: 644297 bytes
Desc: not available
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20241014/dc897523/attachment.png>