Dumbleator in Bassman

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half_smith
Posts: 34
Joined: Fri Oct 11, 2024 7:46 am

Re: Dumbleator in Bassman

Post by half_smith »

dbharris wrote: Sat Aug 23, 2025 11:27 pm ... or add the driver from the SSS to the power amp.

-Dan
Do you mean the gain stage that comes between the PI and Power Tubes? I've been looking at trying something like that but haven't broken ground yet.
What kind of effect does that have (ie, more crunch? more PT compression?)
dbharris
Posts: 557
Joined: Mon Jan 11, 2010 4:55 am
Location: Orlando, FL

Re: Dumbleator in Bassman

Post by dbharris »

half_smith wrote: Tue Aug 26, 2025 3:40 am
dbharris wrote: Sat Aug 23, 2025 11:27 pm ... or add the driver from the SSS to the power amp.

-Dan
Do you mean the gain stage that comes between the PI and Power Tubes? I've been looking at trying something like that but haven't broken ground yet.
What kind of effect does that have (ie, more crunch? more PT compression?)
I would recommend searching on here to read other's experiences, there should be a pretty good size of posts about the direct coupled cathode follower (SVT/SSS). My understanding is that it is not about providing gain, but rather more current to the grid, as opposed to a typical power amp with capacitors that must charge and discharge with each cycle.

This DC driver tube arrangement has most often been described as providing "extended high end response" though some have also said it can make bass/mids feel more instant and powerful.

Let us know what you end up doing.

-Dan
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