JLM AUDIO

Thanks for the explanation, Joe - I knew you could do it better than I! That approach of "work the current draw backwards through the circuit to work out the voltage drops" has me thinking about a solution to another circuit debugging issue I'm working on for a guitar pedal, so thanks for the heads ...

But Joe, what happens when the drummer tries out the new stomp box?

Hey Astro - we've got to stop forum-ing like this (1) The OPA opamp and LED run off the phantom power that comes in through the XLR from the preamp, so pins 2 and 3 of the XLR are both at +48V compared to Pin 1. The 1:4 centre tap black wire is connected to both these pins (remember that the tranny ...

Hi y'all A copy from my post over at Turtlerock, and one of the lesser known JLM applications - it uses the Active DI input to make a standalone DI unit. Parts: DI kit and JLM 1:4 tranny from JLM Audio, an XLR(M) socket, an LED and a box. Here's the hookup, based on Joe's webpage schematic - [img wi...