How Much To Upgrade To 200 Amp Service

This collection runs through a listing of amps and preamps that can be congenital. The drove starts with the simplest of ideas and progresses every bit y'all get down the list. So offset with what you already know and piece of work your way downwards.
Condenser Microphone Power Supply

by luxstar in Audio
Condenser Mic for Under $20

by cyanyears in Sound
Altoids USB Condenser Microphone

by ASCAS in Audio
Pre-amp to Electret Mic!

by lukas_tek in Electronics
Electret Microphone Preamplifier

by Arush Bansal in Electronics
Op-amp Basics (part 1)

by brmarcum in Electronics
Op-amp Basics (part 2)

past brmarcum in Electronics
LM386 Audio Amplifier

by krmartin3 in Audio
Build the $five Microphone Preamp

by jonboytang in Sound
The Tiny Sound Amplifier

by frapedia in Audio
Crystal CMoy Free Form Headphone Amplifier

past koogar in Audio
Cheap Acoustic Simulator (Crossfeed) for Headphones

by faxwork in Sound
Building a Three Channel EQ on a Breadboard

by ENGL314-3 in Audio
Portable Guitar Preamp

by jthank in Electronics
Make Your First Serious Amplifier

by ynze in Sound