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NOTES ON FEEDBACK-

With the feedback all the way down you will not get much level. This is the nature of feedback. 

Lots of feedback = very little gain. I wanted it like that because there are very specific sounds 

you can get with it. For example, with lots of feedback (control off or counter clockwise) 

you get very little distortion and the noise floor is very low. It also allows you to use the pre 

with almost no gain for when you are recording loud sources like drums and guitar. 

Control off or counter clockwise- Lots of feedback, Little gain.

Control full or clockwise- Very little feedback, lots of gain.

   

                       OUTPUT-

                       Acts as a fader on a mixing console and is used to trim the signal of the pre or when 

                       you want to experiment with driving the input signal to varying degrees. On all mic 

                       pres with this feature, headroom of the pre is decreased as you lower the signal but 

                       with the added benefit of a lower noise floor. The Devil pre loves to be driven so try this out!

                      BRIGHT-

                     Increases high frequency information on the output transformer by lessoning dampening.

                     It’s interesting to note that the pre amp was originally designed with the Bright in until it was 

                     decided that it may be too bright for continuous operation. 

LOW CUT-

Gently sloping low cut at 100hz. We tuned this to work as needed with instruments such as acoustic 

guitar and voice.

                                     DI-

                                     Unbalanced direct input for guitar, bass, keyboards etc. Plugging in here 

                                     bypasses the input transformer and jumps directly into the Class A input of 

                                     the pre amp. We chose to do this on many or our products because the tone is so 

much different than that on readily available direct boxes. Please note that it is possible to make the DI 

oscillate with the Gain and Feedback/Bias at or near maximum. We did not compensate for this because 

it would alter the overall tone of the pre amp. In standard Mic or Line input it is not possible to cause 

oscillation.

                                     48v-

                                     Yep its 48 volt phantom power. . . .

PHASE-

Reverses the output polarity of the unit at the output transformer.

DIRECT IN

output

MIC

BRIGHT

48v

PHASE

LOW CUT

6

5

4

3

2

1

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