Alisoncustomshop wrote:
Thanks for the great information. I have so many questions about this modification. I really like the idea of eliminating R6 and tapping into R5 with a potentialmeter. Do I just run a jumper wire in the place of R6? As I take it R5 and 6 control the tone. What is the difference between R5 and R6 and how are they related to each other when manipulating the tone. I'm thinking the Reverb unit is stereo is R5 a left output tone and R6 a right output tone control. If I decided to use a to use potentiometers in the place of R5 and R6 I would just use a larger enclosure. If I was to adjust R10 would I adjusted it up in resistance or down to make the Reverb darker sounding.
Thanks again,
Glenn
They are two separate outputs, but as far as I can tell, there's really no difference between the two. They don't appear to be out of phase with each other. They are simply two outputs, so connecting the two of them simply gives more output. And removing one of them would simply make the output less. So you you don't need to jumper R6. You can just pull it completely.
R5 and C3 form a low pass filter. R6 and C3 form a low pass filter. R5 and R6 are sharing C3. Really, C3 is the more important component when it comes to affecting the tone. If you were to pull R6 completely, and replace R5 with an 10k pot, this would give you a variable low pass filter when combined with C3. You don't necessarily need to use a 10k pot and change C3 to .1uF. You could use a 25k and .047uf, or a 50k and .022uf, or a 100k and .01uf, and still have roughly have the same sort of tone control, but the smaller you keep the pot, the less it will affect the overall volume.
Back to the first thing - if you pull R6, you may need to reduce R10 to compensate for the volume loss of only having 1 reverb output. If you find that you already have plenty of wet signal on tap, then it probably won't be a concern.
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