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Author Topic: Pentawatt layout TDA2030A and TDA2050 etc  (Read 18047 times)

jfetter

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Re: Pentawatt layout TDA2030A and TDA2050 etc
« Reply #15 on: May 28, 2007, 10:02:06 AM »
I'll post the schematic eventually but for now just keep the zine here until perfect.

Found the "vibration". I swept with the function generator and found two points; one at about 100hz and another at 210hz.

The strong 100hz was the front panel! The weaker 210hz was entire chassis box. So I have to rethink the packaging.
The output filter is for sure the way to go on SS amps. We all agreed the unit sounded like a 5E3 Deluxe.

Having Fun with it.

jrc4558

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Re: Pentawatt layout TDA2030A and TDA2050 etc
« Reply #16 on: June 05, 2007, 02:46:26 PM »
Hey everybody! Are the layouts for this amp available anywhere? OR at least schems (i can do pcb myself)...
Thanks in advance! :)
Love the sound of it too!

jfetter

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Re: Pentawatt layout TDA2030A and TDA2050 etc
« Reply #17 on: June 19, 2007, 10:48:27 PM »
I had some pine boards in the garage , so here is the pinebox head, no more vibration.

All ctls at 12:00 on this example of Lenny lead in, no effects ie reverb or anything. I still think I may run the gain down somewhat. The clean to dirty threshold may be too low. not sure yet.



http://www.avantpower.com/nash20/nash20lenny.mp3


joecool85

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Re: Pentawatt layout TDA2030A and TDA2050 etc
« Reply #18 on: June 20, 2007, 08:05:24 AM »
Looks absolutely smokin!
Life is what you make it.
Still rockin' the Dean Markley K-20X
"New" amp: Fender Frontman 25 DSP (FM25DSP)
thatraymond.com

syndromet

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Re: Pentawatt layout TDA2030A and TDA2050 etc
« Reply #19 on: June 20, 2007, 08:36:47 AM »
Looks great. Good to hear you got rid of the hum

 

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