Akashic Guitar effects PCB lookup
BOOSTVOL

1590B · 2 knobs

Fuzz Dog· ClapMid

Clapton Mid Boost

Based on the Clapton's on-board mid boost

Category
Boost
Controls
Boost · Vol
Difficulty
Easy
Price
£30.00
Tags
boost

From the vendor

NOTE: this has unavoidable switch pop. Consider it an always-on effect.

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Clap your hands and say 'Mids'! Clap them hard enough and you may hit 25dB's worth.

The on-board Clapton mids circuit squeezed into a pedal so you can use it on anything, not just your strat. Mids boost from 0 - 25dB on tap to fatten things up as much or as little as required.

There are some pretty funky resistor values in this circuit, but we've got you covered. Would you expect anything less?

The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs.

If you want the PCB without parts there's a link for that at the bottom of the page.

Partial kit: PCB, all board-mounted components, 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 full kits, and can take a battery if desired with footswitch positioned 22mm higher, closer to the controls. Knobs are not included.

Builds are only available with full kits including enclosure and vertical-mount pots. Please choose appropriate knobs.

Inspired by: Clapton's on-board mid boost

Difficulty: Easy

PCB size: 50 x 30mm

Knobs required: 2

Enclosure: 1590B

Direct-Connect compatible (4-way)

If you want the kit pre-built you must add the enclosure option below and select your knobs in the Components section. Check Specials for powder-coated enclosure availability.

Download the 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 38 rows

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RefValueNormalizedTypeNotes
Resistors 19
R1470R470
R21M51.5M
R3330K330k
R422K22k
R54K74.7k
R61K81.8k
R72K22.2k
R83K33.3k
R9133K133k
R10215K215k
R11232K232k
R1282K82k
R1322K22k
R1415K15k
R15100K100k
R1647R47
R1733K33k
R1847K47k
R1947K47k
Capacitors 12
C147n47n
C2330p330p
C3100n100n
C4120p120p
C56n86.8n
C622n22n
C71n1n
C810p10p
C982n82n
C1010u10u
C1110u10u
C12100u100u
Diodes 1
D11N40011N4001
Transistors 4
Q12N50882N5088
Q22N50882N5088
Q32N50882N5088
Q42N5087*2N5087
Potentiometers 2
BOOST250KAA250kPotentiometer
VOL50KAA50kPotentiometer