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LOOP switch: 

In the 4 loop modes, this switch will engage the loop either in latching or momentary 

fashion depending on the selected mode. For latching purposes the action of this switch 
is triggered when it is released. (your loop only starts when you release the switch)

TAP/MOM switch:

In the 4 loop modes, this switch is used to tap the tempo. As with the loop switch its 

action is triggered on release. So if you are tapping to a beat, count your releases not 
your presses. In the 4 hold modes it engages the effect momentarily while it is pressed.

EXP input: 

Can be used to externally control the … control pot with an expression pedal. When an 
expression pedal is plugged in, the control pot can be used to scale the range of the 

expression pedal.

Most commercially available expression pedals using a ¼ ” TRS plug should work. The 
value is not really critical, although I would not go lower than 10k.

Some examples are the 

Moog EP-2, Roland EV-5, and M-Audio EX-P.

 

You need to use 

TRS

 plugs and cables. 

NO MONO PLUGS OR CABLES!

 

These 

will short out the voltage regulator inside the pedal and damage it.

Here is how such a TRS plug looks like.

The exp jack is connected to the pedal like this:
sleeve : ground

ring: 3.3V supply voltage
tip: controlling (varying) pin

If you really know what you are doing you can actually use a control voltage instead of a 

resistance based controller. But you need to consider the connections and 

never exceed 

3.3V

. If you do you will damage the pedal. Just connect the sleeve and tip and leave the 

ring unconnected (not shorted so don't use mono cables)

If you have any doubt when deciding what to connect to the expression input please 
send me an email and I will verify that everything is safe.

Thanks :)
David

http://www.davidrolo.com      

david@davidrolo.com

Summary of Contents for Stamme[n]

Page 1: ...nitially wanted a pedal that would loop short samples but whose sample size could be set by tapping a tempo From there the pedal went through many iterations and a few months later we have something that seems like a very useful tool It was a fun project to work on and I want to thank Kent for all his input ideas and the nice chats ...

Page 2: ... the pedal uses a digital processor operating at high frequencies you may hear some high pitched noise if you use it together on the same power supply with other pedals daisy chained even when it is bypassed The noise can bleed through the power supply into the other pedal s signal This is normal for such devices It might not be the case in your particular setup but if you notice that I would sugg...

Page 3: ...eft to a high pass filter on the right Right switch is latching Left switch is momentary ST Stutter Hold like a random step tremolo applied to either your dry signal or the held signal Right switch engages the stutter and hold effect Left switch engages the stutter and dry effect Both switches are momentary and can be used at the same time CONTROL In the 4 loop modes this knob can be used to reduc...

Page 4: ...n pedals using a TRS plug should work The value is not really critical although I would not go lower than 10k Some examples are the Moog EP 2 Roland EV 5 and M Audio EX P You need to use TRS plugs and cables NO MONO PLUGS OR CABLES These will short out the voltage regulator inside the pedal and damage it Here is how such a TRS plug looks like The exp jack is connected to the pedal like this sleeve...

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