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Right exactly. I'll be using amp sims - I think I just want a clean buffer or a JFET for slight tube character. Mostly I just use pedals and amps - this is just if I feel like using the computer stuff...

Right - I'd probably want to keep it as a simple as possible buffer - I'll use amp sims in the computer etc.

Thanks - did you try the Unicab w/o the buffer? The last stage in the Unicab looks like a TL072 OPAMP configured as a unity gain that should drive a line stage?

So this is probably a stupid question..... I have an RME 9632 interface that is a plug-in PCI card with a cable. Right now I have an ART MPA preamp connected. I'd like to sell the preamp and build my own - will a pedal output go into a "line level" input directly? So for example the...

The link is under Chuck's "this one" text- the forum doesn't show links well Or here: https://www.ebay.com/itm/182678167951

Slick! VHF stuff - and it goes to 11 too!

Vintange ones at that (1990s) ;). I have just about every size in boxes of 100 that I scavenged from the scrap heap when we shut down one of our research labs. Partly why I tend to make my pedals look like lab equipment :ROFLMAO:

Hey thanks! - and the transformer is a bit tall.... still, remote mounting (not ideal I know) works. This is a Simulcast in a 1590B - transformer hiding under the insulated standoff :oops:

I know there is a Duo version in the works - I'm sure there is a ton of things in process so not trying to rush anything... But does anyone have or know the extra pot values and the trimmer values? Would love to know so I can place a parts order and at least get most of the parts (Im sure I...

https://forum.pedalpcb.com/threads/what-green-leds-for-general-tso.2729/

Aerospace here too - same experience (FADEC / ECU design, etc) Amazing what you can do in RD with a tech that has hands and eyes of a surgeon. Ever see a 1mm strain gage wheatstone bridge soldered with 40AWG wire?! I'm good but not that good.

Thanks - looks like I've got some tracing to do!

Is there a schematic for the Gen TSO? Comparing parts with Aions - the Aion version (convex) has a 220nF and TSO has a 22nF - but not sure if it's the same item. So I know the TSO has the additional treble pot - so that's probably the diff but would love to see a schematic.

Have not seen that - I use the older version of this: https://store.digilentinc.com/analog-discovery-2-100msps-usb-oscilloscope-logic-analyzer-and-variable-power-supply/

It's plenty sensitive to any stray light. Just the shrink sleeve isn't really enough to get it low (20-30K or so, light coming in from the "ends") - that's why I covered it all with black electrical tape. I may try black silicone potting in the "ends" of the shrink sleeve to seal it up. Of...

>>I suspect the LDR resistance difference has a lot more to do with the LED brightness and lens type than it does with the color. Agree - the yellow was the only clear that I had to try. The resistance of the VTL5C4 "off" is over-limit of my meters. Shows open. I have the LED/LDR under the...

KiCAD. Has some quirks but works great for me (few dozen projects). I haven't found anything else that compares that doesn't cost $$$. Don't have particular links for training etc - just takes a bit of time to wrap you're head around it.

I made a few measurements - just a power supply to the LED and resistance of the output LDR. It's hard to be exact on my mA but it's a decent comparison. The GREEN seems a lot higher resistance - I happened to have a YELLOW and it seems pretty darn close. The LDR is the GL5516 VTL5C4 1mA = 784...

Thanks! that's great info - I'll add some of the clear.greens. I bought 2 Gen Tso (not here yet) - I can experiment. I used VTL5C4s in my AionElectronics version and have a set left. I'm going to use those to compare with the LED/LDR setup. Probably experiment with shrink sleeving / tubing...

So what would be the best for a LED/LDR vactrol type app like the compressor?