Info about the Emma original:
A unique type of OD/dist. pedal that was designed to emulate as faithfully as possible the distortion characteristics of a real tube amp.
With the inclusion of a bias control the user is allowed to adjust the inner workings of the amplifier from class B ( far left) to class A ( far right) and anywhere in between, altering the harmonic structure of the signal and providing a much wider variety of tonal options than your standard OD/ dist. pedal.
Additional controls for Level, Gain,and a Hi Cut/ Hi Boost tone circuit allow the user to fine tune the Reezafratzitz to taste.
BOM:
| Resistors | 120R |
1
|
| Resistors | 10K |
4
|
| Resistors | 22K |
4
|
| Resistors | 27K |
1
|
| Resistors | 100K |
6
|
| Resistors | 150K |
2
|
| Resistors | 470K |
6
|
| Resistors | 1M |
4
|
| Capacitors | 47p |
5
|
| Capacitors | 100p |
2
|
| Capacitors | 1n |
2
|
| Capacitors | 6n8 |
4
|
| Capacitors | 47n |
2
|
| Capacitors | 150n |
4
|
| Capacitors | 100u |
3
|
| IC | CD4069 |
1
|
| Transistors | BC549 |
1
|
Modified version with additional Bass and Mids controls
BOM:
| Capacitors | 47p | 5 |
| Capacitors | 100p | 2 |
| Capacitors | 1n | 2 |
| Capacitors | 2n2 | 1 |
| Capacitors | 6n8 | 4 |
| Capacitors | 47n | 2 |
| Capacitors | 150n | 4 |
| Capacitors | 100u | 3 |
| Resistors | 100K | 4 |
| Resistors | 10K | 6 |
| Resistors | 120R | 1 |
| Resistors | 150K | 2 |
| Resistors | 1M | 4 |
| Resistors | 22K | 4 |
| Resistors | 27K | 1 |
| Resistors | 470K | 6 |
| Resistors | 47K | 2 |
| IC | CD4069 | 1 |
| Transistors | Q1 | 1 |






