1. S

    oscilloscoper analysis from my final project (about guitar pedal effects)

    im doing a final project about making a guitar pedal effect, and my lecturer ask me to compare it to commercial guitar pedal using an oscilloscope. i made 4 effect, reverb, echo, chorus, overdrive, all of this effect showing almost same result as the commercial effects, but the reverb one doesnt...
  2. Echo26

    Protect E03 on Sony Amp

    Looking for answers, I have a Sony Shake 6D Hifi system and has E03 power supply tag error. However for some time. Unit is working like a couple of hours but after minutes sometimes E03 triggers. I did check the voltage. And they were nominal as indicated by the service manual. I have seen...
  3. J

    Tips for bipolar power supply

    Hello, I need to design a linear regulated supply to power an dac output stage based on op amp. It must be a negative + ground + positive one. The problem I encounter is that I don't know wich topology to select between the first and second arrangement. I suppose that the first one induce a...
  4. CobraL0rd

    Old Amplifier reeks a burned smell and smokes after being turned on

    My mom has an old ~40 year old audio amplifier LUXMAN L-210, that hasn't been turned on for about a decade. I found some time the other day and turned it on to see whether it's working and how it's performing. So it did turn on and seemed to work (I have radio tuner, cassette player and disk...
  5. Z

    I'm constructing a audio amplifier in LT spice, some good starting points?

    Hello, i'm new here on AAC. I've seen alot of interesting topics, questions and answers here, so i would like to be part of it. Question: It is for a school assignment, and i'm choosing to build a multistage amplifier (Pre-amp and Power-amp). What is a good starting point when choosing values...
  6. A

    Install a basic sound system on a soviet car

    Hello all, I bought a very simple car of soviet design (a lada) that doesn’t have a sound system installed on it. I want to build a basic setup to plug my iPod in via jack 3.5mm to be able to listen to music when driving that car. I can get cheap 12v AC 100w mono amplifier boards here in the...
  7. A

    Noob Question - Simple volume control for PC and PAM8610 amp

    Hello everyone! First of all, if you're beginning to read this, please understand that I am very new to electronics, I have little studies but I can at least not produce cold solder...most of the time. I also can't use the standard drawing softwares yet, as my knowledge is far from this (The...
  8. nikolopikolo

    Audio amplifier

    Hello, I have decided to build my own loud speaker from scratch. That means tha I will be building my own power amplifier. Now I want it to go as loud as it can so about 500W RMS should do it. I want to know are there any sites with schematis of such amplifier and I want a qulity one not...
  9. D

    Need some advice on a tda 2003 audio amplifier.

    Need some advice on a tda 2003 audio amplifier. Hi I've built a mono amplifier based on this schematic: https://www.circuitsdiy.com/tda2003-amplifier-circuit-diagram/ However, when I turn on the supply (a 12v hobby supply) I either get lots of popping or humming and if I can stop that by...
Top