Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: AlNewman on August 15, 2023, 09:28:00 pm

Title: Blues deluxe reissue
Post by: AlNewman on August 15, 2023, 09:28:00 pm

Hi,

I'm looking at the schematics of a blues reissue, and I'm having trouble figuring out the relays.

It is confusing to me because it seems like the relays are at 2 different positions in this schematic.

So would I be correct to assume that when the drive channel is "on", the signal would bypass the 750pf cap before v1B, as well as bypassing a 15k grid leak to v2A?

Or is the 750pf cap in circuit when the drive channel is engaged?

https://el34world.com/charts/Schematics/files/Fender/Fender_blues_deluxe.pdf


edit, added schematic

Title: Re: Blues deluxe reissue
Post by: nandrewjackson on August 16, 2023, 12:56:14 am

I would agree the 750 pF is bypassed in drive mode.


I also agree , as drawn, some of the relays are shown in different modes.