Home › Forums › Design and Building › 2 Stroke Amplifier Design and Building › Squeal and hum on 2stroke › Re: Re: Squeal and hum on 2stroke
January 30, 2013 at 11:00 pm
#5789
![](https://www.tubeampnetwork.com/wp-content/uploads/avatars/681/3abdf105f121829b49e032e869a6b628-bpfull.jpg)
Participant
Andy, I’ll try to post a photo from NAMM