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ASTRA SILICON FUZZ

PROJECT NAME

ASTRA

BASED ON

EFFECT TYPE

PROJECT SUMMARY

DOCUMENT 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 DIFFICULTY

Beginner

Actual size is 2.3” x 1.86” (main board) and 1.78” x 0.86” (bypass board).

Содержание ASTRA SILICON FUZZ

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...