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there are a lot of small screw extractors (not sure what size you have) - they require a steady hand but do work. This one is more but supposedly made in USA so may be a bit better - cheaper ones may work too extractor cheaper one

I have the older original AD for my "home" use. I of course had to (in the spirit of pedal building) made a "case" for it out of an old LabView SCSI breakout box

100% agree. Any of the Analog Discovery - would work great. Two waveform generators, 2 channels isolated input scopes, digital - can measure noise, impedance, even frequency response sweeps. Super capable. python scripting, or in-app java scripting of the software. Check out the waveforms...

I think the L5 is +/-15VDC right? you would probably not want to go 9VDC -- 9 VAC -- (+/-15VDC) something like this just go from the 9VDC to (+/-15 VDC) Not sure if the mA is enough https://www.aliexpress.us/item/2251832630848518.html?gatewayAdapt=glo2usa4itemAdapt&_randl_shipto=US

I think I found the article: "Wow! A $227 gouge. (You couldn’t call it a “rip-off” because the phrase hadn’t been invented, but perhaps that is the only reason….) Obviously, this must be a very profitable circuit. Every competitor—and many customers—realized that the P2 must cost a rather small...

That P2 was really interesting. There's an article somewhere about it - the 3d arrangement had capacitance coupling (I believe unintentionally)- not on the schematic - and when people tried duplicating the circuit they couldn;t get it to work. It relied on the physical arrangement of parts! I...

I have some of the Philbrick stuff.... cool museum pieces https://www.electronicdesign.com/technologies/components/article/21802868/an-amateurs-view-on-the-p2-part-1 Sporting input bias currents in the picoampere range (1x10-12), the P2 cost $220, which was 1/8 to 1/2 (my source for this...

I love that - I've seen some commercial stuff but am surprised there's not more out there.

Had not seen that these new JM pickus are out - interesting. Quite a bit lower 7.3k than the old J Mascis Squier 8k versions.

tet yeah the new stuff isn't anything like the old! I like to get CBD bud and mix it to cut the effect. Or frankly the CBD bud is relaxing as well. And techncally legel to get in any state

Same. I have a Fluke 79 and an ancient 8600A but the 61E looks pretty nice

UNI-T T61 gets a lot of good reviews for a $50 or so meter There are a lot of versions E, B, C dont know the difference...

yeah - REALLY old ones.... have no idea if I can hear the difference (haven't tried the standard yet).

yeah the aluminum is ~0.040" thick and I do the iron on transfer method for the lettering. Some of the boards are too wide - in the Ember I shaved the inside with a drill press mounted sanding drum. Or I sometimes have to cut the sides and put on a silver panel. All part of the "look" ;)...

All my builds are 1590B top mounted lumberg jacks. Pots can fit (just barely) under the jack

Reminds me - I have to dig out my tester and run some 7C5s (6v6s) for a project I have..

Nice set. Got a few myself....

Some info here.... I wound up using a VTL5C4 https://forum.pedalpcb.com/threads/what-green-leds-for-general-tso.2729/

If you're ok with using a PC (Win/Linux) you *cannot* beat an Analog Discovery Diglient USB scope. Function Generator, Scope, Frequency Response, spectrum analyizer, impedance, transistor, scripting, python support, etc, etc. Amazing tool. You can get a used one on ebay for less than $200...

Well when you have a defunct RD lab from the 80s-90s and there are THOUSANDS (hundreds and hundreds of boxes of 100s) in cabinets all over gathering dust...... sometimes you dont get all the values, but there are a lot of em. seems a shame that they wind up in a landfill somewhere. I've seen...