I just built a 5e3 amp using a hoffman board kit inside an old PE tube pa head that was gutted of everythign but transformers and sockets. I wired my board in using 6sl7 tubes in the preamp, and changed the cathode resistor from a 250 ohm one to a 390 ohm one, which feels liek it has less compression, more attack, and runs a little cleaner. High and low gain on the bright channel, and just high gain on the normal channel. It was my first build, and it was a lot of fun. :-)
![](http://farm3.static.flickr.com/2508/4016561172_473b088e3b.jpg)
![](http://farm4.static.flickr.com/3500/4015798561_c5780b021e.jpg)
![](http://farm3.static.flickr.com/2508/4016561172_473b088e3b.jpg)
![](http://farm4.static.flickr.com/3500/4015798561_c5780b021e.jpg)
![](http://farm3.static.flickr.com/2445/4015798525_81aaa597fb.jpg)
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