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SCHEMATIC

ASTRA SILICON FUZZ

6

1N5817

100uF

GND

+9V

100n

VA

10

kB

GND

10

kB

10

0k

B

GND

47

n

2N3565

2N3565

1M

22

k

47

0k

1M

1k

8

1k

8

47

n

47

n

GND

GND

GND

GND

47

n

VA

VA

VA

GND

100R

1N

91

4

1N

91

4

1N

91

4

1N

91

4

1N

91

4

1N

91

4

GND

IN

OUT

D1

C5

C6

LE

VE

L

1

2

3

TO

NE

1

2

3

AT

TA

CK

1

2

3

C1

Q1

Q2

R1

R2

R3

R4

R5

R6

C2

C3

C4

R7

D2

D3

D4

D5

D6

D7

D8

D9

CL

IP

2

3

1

GND

Summary of Contents for ASTRA SILICON FUZZ

Page 1: ...NT VERSION Astrotone Fuzz An early silicon fuzz from 1966 that was also sold as the Sam Ash Fuzzz Boxx One of the first drive circuits to include a tone control Silicon fuzz 1 0 1 2021 04 27 BUILD DIF...

Page 2: ...ed his version of the Astrotone conveniently also called the Astrotone since the original trademark had expired It has the exact same topology but has several component values changed out to round out...

Page 3: ...film resistor 1 4W LED current limiting resistor Adjust value to change LED brightness C1 47n Film capacitor 7 2 x 2 5mm Analogman version uses 470n here C2 47n Film capacitor 7 2 x 2 5mm C3 47n Film...

Page 4: ...D 5mm LED 5mm red diffused IN 1 4 stereo 1 4 phone jack closed frame Switchcraft 112BX or equivalent OUT 1 4 mono 1 4 phone jack closed frame Switchcraft 111X or equivalent DC 2 1mm DC jack 2 1mm pane...

Page 5: ...most diodes Therefore while DO 7 silicon diodes are rare today this would not be uncommon to see in 1966 The other evidence in favor of them being silicon is more practical since they re hard clipper...

Page 6: ...kB 100kB GND 47n 2N3565 2N3565 1M 22k 470k 1M 1k8 1k8 47n 47n GND GND GND GND 47n VA VA VA GND 100R 1N914 1N914 1N914 1N914 1N914 1N914 GND IN OUT D1 C5 C6 LEVEL 1 2 3 TONE 1 2 3 ATTACK 1 2 3 C1 Q1 Q2...

Page 7: ...of closed frame jacks like the Switchcraft 111X If you d rather use open frame jacks please refer to the Open Frame Jack Drill Template for the top side LED hole drill size assumes the use of a 5mm L...

Page 8: ...ASTRA SILICON FUZZ 8 ENCLOSURE LAYOUT Enclosure is shown without jacks See next page for jack layout and wiring 125B...

Page 9: ...125B IN V GND N C N C OUT PCB IN GND V V JACK GND JACK OUT IN GND GND PCB OUT Shown with optional 9V battery If battery is omitted both jacks can be mono rather than one being stereo Leave the far ri...

Page 10: ...ojects may be used for commercial endeavors in any quantity unless specifically noted No attribution is necessary though a link back is always greatly appreciated The only usage restrictions are that...

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