madbeanpedals::forum

Projects => Tech Help - Projects Page => Topic started by: rydog2223 on September 02, 2013, 03:55:46 AM

Title: Volume drop with Snack Shack….
Post by: rydog2223 on September 02, 2013, 03:55:46 AM
Hello there!  Can anyone help with my Snack Shack build? The pedal works engaged and in bypass. But...... When engaged there is a massive volume drop.  Am I supposed to jumper somewhere when using axial caps as compared to radial?  I'm kind of stumped.  I used a 2N5088 in the Q2 spot. Other than that all the values are correct.  When I touch the Out point on the back of the PCB with the C4 + the volume is where it is supposed to be. Any ideas?  Here are some pics.  Thanks so much guys!
(http://i90.photobucket.com/albums/k263/rydog2223/null_zps8c560aa7.jpg) (http://s90.photobucket.com/user/rydog2223/media/null_zps8c560aa7.jpg.html)
(http://i90.photobucket.com/albums/k263/rydog2223/null_zps7bc2650c.jpg) (http://s90.photobucket.com/user/rydog2223/media/null_zps7bc2650c.jpg.html)
(http://i90.photobucket.com/albums/k263/rydog2223/null_zps9bbe3518.jpg) (http://s90.photobucket.com/user/rydog2223/media/null_zps9bbe3518.jpg.html)
(http://i90.photobucket.com/albums/k263/rydog2223/null_zpsb59d8b94.jpg) (http://s90.photobucket.com/user/rydog2223/media/null_zpsb59d8b94.jpg.html)
(http://i90.photobucket.com/albums/k263/rydog2223/null_zps2975a61f.jpg) (http://s90.photobucket.com/user/rydog2223/media/null_zps2975a61f.jpg.html)
(http://i90.photobucket.com/albums/k263/rydog2223/null_zps019dc744.jpg) (http://s90.photobucket.com/user/rydog2223/media/null_zps019dc744.jpg.html)
Title: Re: Volume drop with Snack Shack….
Post by: rydog2223 on September 02, 2013, 03:57:36 AM
I wanted to add.... The box that it is housed in is my "test box". I thought it might be a jack/grounding issue. the pedal is in the very "draft form" at the moment.  ;) Thanks!
Title: Re: Volume drop with Snack Shack….
Post by: jimilee on September 02, 2013, 02:01:16 PM
It's hard to tell, Did you use the madbean standard wiring diagram? It sounds like a ground issue.
Title: Re: Volume drop with Snack Shack….
Post by: rydog2223 on September 02, 2013, 02:17:46 PM
Hey thanks for the reply!:)  I actually got her to work. I had to trace the circuit and I finally found a break between the C2 cap. It is the 22n. When using axial caps it seems you jump over this connection. If I would have used radial caps I would have been okay.  I'm guessing it was something I did as most times!  It is plenty loud now! Oh yeah.. With a little help from my good friend from around these parts told me I should change Q2 from a 2N5088 to a different transistor. I opted for a 2N3904. Was I supposed be jumping on this build? It is the Ver.2. Thanks again!