Akashic Guitar effects circuit lookup
RATIOLEVELTONEATTACKSUSTAIN

1590B · 5 knobs

Effects Layouts (blog)

Walrus Audio Deep Six CompressorVerified

Based on the Walrus Audio Deep Six Compressor· 3 other boards clone it

Category
Compressor
Controls
Ratio · Level · Tone · Attack · Sustain
Layout
Verified · Effects Layouts (blog) marks it as built and working
Tags
Compressor, Walrus Audio

From the post

The Walrus Audio Deep Six is a versatile compressor that gives studio level compression in stompbox form (that's what their website says, anyway). It's very similar to the BYOC 5-knob compressor, with the only difference being a few component changes in the blend and output stages. I set out to try and make a layout that would fit in a 1590B with on-board pots. Let's just say there's a reason most circuit boards today are at least double-sided. You could board-mount the Ratio and Level controls if you want (use right angle PCB pots mounted on the solder side) and in theory it should fit in a 1590B, but if it were me, I'd put it in a 1590BB and give myself some elbow room. Most 1µ caps are laid out for tantalums to save space and reduce noise.

Here's the schematic I drew for reference.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.

Parts list 37 rows

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RefValueNormalizedTypeNotes
Resistors 11
×1310K10kread from the layout by eye
×356K56kread from the layout by eye
×11K1kread from the layout by eye
×4470K470kread from the layout by eye
×51M1Mread from the layout by eye
×13.9K3.9kread from the layout by eye
×2150K150kread from the layout by eye
×2220K220kread from the layout by eye
×17.5K7.5kread from the layout by eye
×127K27kread from the layout by eye
×147K47kread from the layout by eye
Capacitors 9
×1220pF220pread from the layout by eye
×21nF1nread from the layout by eye
×310nF10nread from the layout by eye
×133nF33nread from the layout by eye
×2100nF100nread from the layout by eye
×41uF1unon-polarized (drawn as small film/ceramic); read from the layout by eye
×41uF1uelectrolytic; read from the layout by eye
×310uF10uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 3
D11N41481N4148read from the layout by eye
D21N41481N4148read from the layout by eye
×11N40011N4001read from the layout by eye
Transistors 7
Q1MPSA18MPSA18read from the layout by eye
Q2MPSA18MPSA18read from the layout by eye
Q32N54572N5457JFET; read from the layout by eye
Q4MPSA18MPSA18read from the layout by eye
Q5MPSA18MPSA18read from the layout by eye
Q6MPSA18MPSA18read from the layout by eye
Q7MPSA18MPSA18read from the layout by eye
ICs 1
×1BA6110BA6110SIP; read from the layout by eye
Potentiometers 5
RatioB10KB10kPotentiometerread from the layout by eye
LevelA100KA100kPotentiometerread from the layout by eye
ToneA100KA100kPotentiometerread from the layout by eye
AttackC250KC250kPotentiometerread from the layout by eye
SustainB500KB500kPotentiometerread from the layout by eye
Trimmers 1
×12K2kread from the layout by eye

Other boards based on the Walrus Audio Deep Six Compressor