Was browsing Mouser yesterday and came across an LCD voltmeter w/ a 3.5 digit display made by Murata that can be board mounted that use very little power something like 2mW and can be powered by a 5v regulator which can be taken from the heater supply, I have been working on boards for both that incorporates everything but the rectifier choke and quad caps, this would come in very handy and Btw these meters come with optional backlighting, What do you think?
On Board Bias Monitoring for Mark III and Mark IV
denny9167- Posts : 151
Join date : 2011-05-09
Age : 56
Location : Texas
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Last edited by PeterCapo on Wed Dec 02, 2020 3:59 pm; edited 1 time in total
denny9167- Posts : 151
Join date : 2011-05-09
Age : 56
Location : Texas
- Post n°3
Re: On Board Bias Monitoring for Mark III and Mark IV
by denny9167 Mon Aug 12, 2013 6:52 pm
A switch would be a good idea, and yes these would detract from the appearance somewhat if they were mounted in their traditional enclosures, but I have designed enclosures that would be perfect for this application, where the boards are mounted below the top plate,and the meter would be mounted flush, or maybe even slightly below the top plate.PeterCapo wrote:Seems like an okay thing to do. I suggest they be switchable on and off and not so large that they would detract from the amp's appearance.
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