Bottlehead Forum

Bottlehead Kits => S.E.X. Kit => Topic started by: proud indian on April 26, 2023, 03:37:36 PM

Title: MJE5731A [resolved]
Post by: proud indian on April 26, 2023, 03:37:36 PM

The MJE5731A on my sex 2.1 has failed. Checked with mouser etc and they say that it is outdated. Is there a sub for this? Thanks. Shreekant

Title: Re: MJE5731A
Post by: Paul Birkeland on April 26, 2023, 04:20:14 PM

Can you be more specific about what's up with your kit?  Typically a failure like this will have a cause that's external to the transistor itself.  The MJE5731AG and MJE5731G are acceptable subs.

Title: Re: MJE5731A
Post by: proud indian on June 04, 2023, 05:12:51 AM

Hi Paul,
Got the transistors and put them in. The led's too were not working. Now everything is fine.
I did notice the the centre area of the c4s pcb had a black discolouration. I added more height to the stand offs, and so far itis working fine.
Thanks formthe help.

Shreekant