Akashic Guitar effects PCB lookup
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1590B

Fuzz Dog· Phase 90

Phase 90

Based on the Phase 90· 1 other board clones it

Category
Phaser· Delay/Mod/Filter
Difficulty
Medium-hard
Price
£42.00
Tags
delay-mod-filter

From the vendor

Want phase? We got phase. 90 degrees of it. We've kept it simple in this new version of the PCB. We like it that way. The option to have a trimmer for adjustable feedback is still there - a nice set-and-forget feature. Other than that it's just a case of setting the bias voltage and off you go. Matched FETs are optional, as we had lots of requests to supply the kit without them in the past. The PCB is designed for DSG pinout FETs, such as 2N5457, so you'll have to check yours if using something else. If the product options aren't showing any matched sets available, that's the case. They take time to sort. Whether you get them from us or not, you NEED FETS for this circuit to work. The kit is supplied with a vertical-mount pot which has a round shaft, so you'll need set-screw fitting knob. Partial kit: PCB, all board-mounted components (not footswitch), pots. Full kit: As above, plus footswitch and appropriate daughterboard/components for your selected bypass type (see Downloads section for details of those), jack sockets, DC socket, battery snap, hook-up wire, LED. Enclosure (pre-drilled) is available as an option with partial kits, and will not take a battery. Knobs are not included. Inspired by: Phase 90 Difficulty: Medium-hard PCB size: 50 x 50mm Knobs required: 1 Enclosure: 1590B Download INSTRUCTION PDF

Schematic

The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 50 rows

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RefValueNormalizedTypeNotes
Resistors 28
R110K10k
R22150K150k
R2470K470k
R234K74.7k
R3150K150k
R24470K470k
R4150K150k
R25150K150k
R556K56k
R2647R47
R6150K150k
R2710K10k
R710K10k
R281M1M
R810K10k
R301M1M
R922K22k
R1010K10k
R1110K10k
R1222K22k
R1310K10k
R1410K10k
R1522K22k
R1610K10k
R1710K10k
R1822K22k
R20150K150k
R213M93.9M
Capacitors 12
C110n10n
C247n47n
C347n47n
C447n47n
C547n47n
C647n47n
C747n47n
C810n10n
C915u15uelec
C10100u100uelec
C11100n100n
C1222u22u
Diodes 2
D15.1v zener5.1V ZENER
D21N40011N4001
Transistors 5
Q2MatchedMATCHED
Q3MatchedMATCHED
Q4MatchedMATCHED
Q5MatchedMATCHED
Q12N50872N5087
ICs 2
IC1TL072TL072
IC2TL074TL074
LEDs 1
D3LEDLED

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