Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: 3rdof3 on March 14, 2016, 09:57:53 pm

Title: Hoffman Relay PS Board Question
Post by: 3rdof3 on March 14, 2016, 09:57:53 pm

Hello All,


I'm building a rackmount preamp and am curious of your thoughts on the switching I'm attempting to use.  It consists of four Hoffman relay boards, three LEDs, and three Optoisolators (LDRs) being powered from the Hoffman Relay PS board.  I've included the schematic.  Is this going to tax the PS board too much?  Should I use another PS board for the LEDs and LDRs?


Thanks!


Will

Title: Re: Hoffman Relay PS Board Question
Post by: sluckey on March 15, 2016, 12:23:39 am

You should be fine. That PS board is good for 1 amp. I'd probably use a heatsink on the reg. chip.