collapse

Show Posts

This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.


Messages - Fossilshark

Pages: 1 2 3 [4]
46
Is it worth using active tone controls or is it easier to just use passive tone controls from fender or marshall?

What are the pros/cons of each?

47
Amplifier Discussion / Re: TDA2050 power amp problems
« on: May 15, 2016, 09:32:52 PM »
I tried connecting the - of one battery and the + of another to ground and using the other terminals as a +/- supply like in the picture but it seems to be shorting the chip?? The speaker is popping and the chip is heating up

48
Amplifier Discussion / Re: TDA2050 power amp problems
« on: May 15, 2016, 05:36:48 PM »
Thanks alot! Ill try it out

49
Amplifier Discussion / Re: TDA2050 power amp problems
« on: May 14, 2016, 10:45:22 PM »
i assumed a battery acted like a V+/V- supply. what would i have to do to make it that way?

50
Amplifier Discussion / TDA2050 power amp problems
« on: May 14, 2016, 08:11:38 PM »
Hi! i'm new to the site and the world of building amplifier.
I successfully prototyped a J-FET pre-amplifier for my guitar amp I plan to use as my main rig.
for the power amp i'm trying to build a TDA2050 based circuit. i'm using the circuit from the datasheet and i'm using all the correct components, except when i power it i get no sound?

here's my theories for problems so far:
i have it set up on a breadboard just so i can get sound to see if the circuit works

i'm powering it with SLA batteries (temporarily) and the power supply I will build last, i'm only giving it 12v (I tried 24v with two in series to no avail) mostly because I know these are probably knock off chips from china and i'm afraid to run them at max voltage.

should I be using a different circuit? I only need a single channel and bare minimum for this project and i'm just trying to get sound from the amp at this point.

I've tried output from the pre-amp (also built a bit sketchy) and output music from my phone, both inputs are giving no output.

please let me know if i'm posting in the wrong place or you need more information. thanks!

https://www.google.com/search?q=tda2050+datasheet&safe=active&espv=2&biw=1366&bih=599&site=webhp&tbm=isch&imgil=b0ZqEWSkqFrIqM%253A%253B5kutd-s7Jh-HGM%253Bhttp%25253A%25252F%25252Fdiyaudioprojects.com%25252FChip%25252FDIY-TDA2050-Hi-Fi-Chip-Amplifier%25252F&source=iu&pf=m&fir=b0ZqEWSkqFrIqM%253A%252C5kutd-s7Jh-HGM%252C_&usg=__AbtnPTTWlS0d7cMYYK8WzkRtr78%3D&ved=0ahUKEwiS56Kl5drMAhXK24MKHS3EBeAQyjcIMg&ei=YL43V5K3Ecq3jwStiJeADg#imgrc=b0ZqEWSkqFrIqM%3A

Pages: 1 2 3 [4]

* User Controls

 
 
Welcome, Guest. Please login or register.
Did you miss your activation email?

* Recent Posts

Info on Sunn Stinger 100 amp by Diablo_IV
[Today at 10:35:53 AM]


Ibanez TSA30 - buzzing by phatt
[Today at 08:52:26 AM]


Intermittent loud crackle from Fender Deluxe 112 Plus by traxcontrols
[November 09, 2019, 01:23:37 PM]


So you need a preamp - here are your options by flester
[November 07, 2019, 05:03:55 PM]


Burned up cap by Den.
[November 07, 2019, 03:43:24 PM]

* Sponsors