Search found 5 matches

by caricbrown
Thu Mar 08, 2007 6:27 am
Forum: Dumble Files
Topic: Dumble Lite Layout
Replies: 23
Views: 13636

Re: Dumble Lite Layout

Newb questions: Who are the "typical retailers"? Is there a parts list handy?
by caricbrown
Wed Jan 31, 2007 6:21 am
Forum: Dumble Discussion
Topic: Squeal when OD Drive is past 5 and more
Replies: 1
Views: 359

Squeal when OD Drive is past 5 and more

I am converting a bassman based on the specs found here. So far so good, but the OD sound is not very smooth and I have two other issues: 1) A squeal is heard when OD Drive is past 5. Master and OD Level can be at any setting. 2) The sound fizzles and completly dissapates if the Clean level is past ...
by caricbrown
Sat Jan 27, 2007 7:46 am
Forum: Dumble Files
Topic: Layout updates and schematic, (about time)
Replies: 33
Views: 14013

Re: Layout updates and schematic, (about time)

Can 250k pots be used instead of 100k for the OD Drive and OD Level? If so any recommendation for the other resistors in series with those pots?
by caricbrown
Wed Jan 24, 2007 6:41 am
Forum: Dumble Files
Topic: Updated Bassman Dclone Layout
Replies: 16
Views: 7772

Re: Updated Bassman Dclone Layout

Hi,

What is the voltage rating on all the extra orange drops in the preamp section? Are they all 600v? What type of cap is the shown in brown and what is their voltage rating?

Better yet, does anyone have a parts list?

Thanks.
by caricbrown
Sun Jan 07, 2007 3:59 am
Forum: Dumble Discussion
Topic: AB165 Bassman Upgrade
Replies: 1
Views: 467

AB165 Bassman Upgrade

I have been working on updating a donated AB165 Bassman head. So far I have replaced all the caps and most of the resistors. I have also done some minor changes to remove some of the post CBS "improvements". The amp definately sounds better, but is no Dumble/Fuchs/Cornford. I want to experiement wit...