1. Romavia Rev.1.Nov.30.2007
Build a Roger Mayer Octavia on this layout. Octave up fuzz. Off board components except for the potentiometers are not
shown on the layout. Trademarks are propery of their owners. Visit www.tonepad.com for more!
10k-C 100k-A
1½
3 2 1 3 2 1
+9V
DRIVE VOLUME
47k 1
22uF 22u
470k
39k 150k
0.01
0.01
2M2
10k
10k
+ +
0.1
820k 180k
GND 220 0.01
22u
IN OUT
+
+
Q1 Q2 Q3 Q4 ½
2M2
470p
680k
330k
100k
100k
7002 PF TEGOR
0.01
.001
2M2
2M2
39k
220
10k
0.1
D2
D1
820k
MOC.DAPENOT
22u
+
+
0
0 ½ 1 1½ 2
LAYOUT READY TO TRANSFER
Parts List
Resistors Capacitors Pots
1 - 220ohm 1 - 470pF 1 - 10k Rev. Log
1 - 10k 1 - 0.001µF 1 - 1M Log
Layout and presentation by Francisco Peña 2001-2007®.
All rights reserved. Authorization for personal use only,
2 - 39k 4 - 0.01µF
1 - 47k 1 - 0.1µF Diodes
Permission refused for posting from other sites.
2 - 100k 4 - 22µF 2 - 1n914 (or 1n4148)
Permission for posting/serving limited to
1 - 150k 2 - 100µF
any commercial use is forbidden.
1 - 180k
1 - 330k Transistors
http://www.tonepad.com
1 - 470k Q1 - 2N3906
1 - 680k Q2 - MPSA13
2 - 820k Q3 - MPSA13
4 - 2M2 (2.2M) Q4 - MPSA13
Schematic
AC 180k 10k
ADAPTOR
+ 22uF
9v 1 2M2
2
820k 22uF 220 10kC 47k 39k 470k D2 2M2
3 DRIVE 22uF
INPUT .01uF .01uF .01uF .01uF
Q1 Q2 Q3 Q4
820k 3
2
1MA .1uF
22uF 1 VOLUME OUTPUT
D1
220
2M2 680k 470pF 100k .001uF 39k .1uF 330k 10k 100k 2M2 10k 150k