Re: {Collins} kwm2A audio hum



Tom,
  Try swapping out any 6u8's. They are known for developing grid to cathode shorts which can cause AC hum problems. 

Tony -W9JXN



Sent from my iPad

> On May 3, 2015, at 3:52 PM, tom <tgaum2@xxxxxxxxxxxxxxx> wrote:
> 
> Good day all,
>        KWM2A developedv a strong audio hum on receive. Transmit is ok. I recapped  my PM2 , but no luck.
>             Any quick fixes, like a tube/tubes, capacitor in KWM2A???  TNX, Tom VE1BMJ
> 
> 
> 
> 
> ---
> This email is free from viruses and malware because avast! Antivirus protection is active.
> http://www.avast.com
> *** You are subscribed to Collins as tonysokol@xxxxxxxxxxxxx. If you wish to unsubscribe, or modify your preferences please visit http://mailman.listserve.com/listmanager/listinfo/collins ***



This archive was generated by a fusion of Pipermail (Mailman edition) and MHonArc.