Hoffman Amplifiers Tube Amplifier Forum

Other Stuff => Effects => Topic started by: LaszloS on November 17, 2010, 11:28:09 am

Title: revibe - effect level input - modification for use with overdrive pedals
Post by: LaszloS on November 17, 2010, 11:28:09 am

i did a search for this nothing came up.

I had this idea cause i saw that the kendrick copy of the 6g15 has an effect as well as a normal input

 i like to swamp my amp with overdrive /fuzz / distortion pedals sometimes but with the revibe between the pedals and amp the reverb in the becomes really harsh with too much drive at the input (kind of begins to sound like a sitar) the dwell must be set at .5 to clean it up.

is this as simple as putting a voltage divider on the input to tame the pedals?

implementation recommendations would be greatly appreciated.

Title: Re: revibe - effect level input - modification for use with overdrive pedals
Post by: FYL on November 17, 2010, 02:29:22 pm

Yes, use a voltage divider with, say 800 mV in, 100 mV out.

Title: Re: revibe - effect level input - modification for use with overdrive pedals
Post by: LaszloS on November 17, 2010, 11:19:04 pm

cool,  but what are the input and output impedances involved?  100k for the pedal and 1m for the reverb unit?  if i was to use an lpad i would set it up with a 100k shunt resistor?

in ----- ^800k^ -------- out
                       |
                      100k
                       |
com----------------------                     like this?

would the 100k resistor then replace the 1m leak resistor so i could go directly to the grid from the out?

I'm just a little unsure about the impedances with the pad.  I don't want it to suck all the tone out of my carefully built revibe you know...
thanks