Gorva C65 enclosure dimensions

Wall thickness, casting taper and a free drill template

External, at the rim
65 × 119.7 × 39mm

2.56 × 4.71 × 1.54 in

Drilled face
61.8 × 116.5mm

the face you lay out

Usable flat area
57.8 × 112.5mm

inside the walls

Wall thickness
2mm

1.6 mm draft per side

Lay out a C65 →

Free in your browser, and it prints a true-size drill template.

The Gorva C65 is the brand's answer to the 125B, and 65 mm across the rim to the 125B's 65.5. It runs a few millimetres deeper.

With no corner screw bosses the whole cavity is usable, so it takes a wider board than a 125B does on an almost identical footprint.

C65 drawing

AABB SECTION A-ASECTION B-B 61.8116.5R63965 AT RIM2 WALL1.6 DRAFT(39) NOTES1.MATERIAL: DIE-CAST ALUMINIUM ALLOY2.INTERNAL CAVITY 57.8 x 112.5 AT THEDRILLED FACE3.USABLE FLAT AREA 57.8 x 112.5 INSIDETHE WALLS4.LID FIXING: 4 OFF M35.HIDDEN LINES ARE THE INSIDE FACE OFTHE WALL6.CASTING DRAFT DRAWN AT TRUE SCALE7.TOP EDGE ROLLOVER SHOWNINDICATIVELY, NOT DIMENSIONED HAMMOND C65DIMENSIONS IN MMSCALE: TO FITSOURCE: HAMMOND CADSTOMPBOXLAYOUT.COMTHIRD ANGLE
The drilled face, with the inside of the wall as a dashed hidden line, and two sections cut on the centrelines showing the wall and the casting draft. Drawn from Gorva's dimensioned sheet, so it agrees with the figures below it. The top edge is rolled on castings like this one, shown here but not dimensioned. Drag the drawing sideways to see the rest of the sheet.

Full specification

External footprint (at the open rim) 65 × 119.7 mm (2.56 × 4.71 in)
Drilled (top) face 61.8 × 116.5 mm (2.43 × 4.59 in)
Depth 39 mm (1.54 in)
Wall thickness 2 mm
Wall taper (per side, face to rim) 1.6 mm
Corner radius 6 mm
Internal cavity (at the face) 57.8 × 112.5 mm (2.28 × 4.43 in)
Usable flat area (no corner bosses, so the whole cavity) 57.8 × 112.5 mm (2.28 × 4.43 in)
Material Die-cast aluminium alloy
Lid screws 4 × M3

Figures are read from Gorva's own drawing, the same data the editor and the comparison tool use. Gorva publishes no CAD, so these are measured from the sheet rather than derived from a model.

How thick are the walls?

The C65's walls are 2 mm thick. Like every diecast enclosure it also carries a casting draft: each wall leans out by 1.6 mm from the drilled face to the open rim, so the enclosure measures 65 × 119.7 mm at the rim and 61.8 × 116.5 mm across the face you drill. Worth knowing when a part seats against the inside of a wall, and why a caliper reading depends on where you take it.

What fits inside?

The internal cavity measures 57.8 × 112.5 mm at the face, and there are no corner screw bosses to work around, so the whole of it is usable flat area for a circuit board: 57.8 × 112.5 mm. To check a specific board, put its dimensions into the enclosure comparison tool's fit checker, or place the whole layout in the editor, which knows each component's real footprint and warns when something clashes with a wall.

C65 drill template

The Stompbox Layout editor has the C65 as a built-in preset. Place your holes on it, and it prints a true-size PDF drill template with the enclosure outline, every hole position and a ruler to verify your printer's scale. Free, no download, runs in the browser.

Printed at 100% scale it works as a drilling template: tape it to the enclosure, centre punch each mark, then drill. Our guide to hand drilling a pedal enclosure walks the whole job, bit sizes included.

A 3D printed drill jig sitting over a pedal enclosure.

3D printable drill jig

Nothing to tape down, nothing to slip, and it wraps the sides so the jacks line up. The editor makes one from your own layout, for the exact enclosure you picked, $29.

See the drill jig →

How the C65 compares

Enclosure External at the rim Drilled face Depth Usable flat area
C65 65 × 119.7 mm 61.8 × 116.5 mm 39 mm 57.8 × 112.5 mm
125B (Hammond) 65.5 × 121.2 mm 63.6 × 119.3 mm 35.8 mm 52.1 × 107.8 mm
S90 117.2 × 90 mm 115 × 87.8 mm 39 mm 111 × 83.8 mm

C65 vs 125B

The 125B is 1.8 mm wider, 2.8 mm taller and 3.2 mm shallower than the C65. Near enough the same enclosure to hold, and the choice is what happens inside: the C65 has no corner bosses, so a board that fouls a 125B's corners fits without a redraw.

C65 vs S90

The S90 is 53.2 mm wider and 28.7 mm shorter than the C65. The two main Gorva formats: the C65 portrait for single-footswitch builds, the S90 landscape when the controls need spreading out.

C65 FAQ

What are the dimensions of a C65 enclosure?

A Gorva C65 measures 65 × 119.7 mm × 39 mm externally at the open rim (2.56 × 4.71 in). The drilled face measures 61.8 × 116.5 mm, and the usable flat area inside the walls is about 57.8 × 112.5 mm.

How thick are the walls of a C65?

The C65's walls are 2 mm thick, with a casting draft of 1.6 mm per side from the drilled face to the open rim.

Is there a drill template for the C65?

Yes. The free Stompbox Layout editor includes the C65 as a preset and prints a true-size PDF drill template of your layout, with a ruler to verify print scale.

Every Gorva size

M45

42.7 × 97.7 mm face, 35 mm deep

Dimensions →

S90

115 × 87.8 mm face, 39 mm deep

Dimensions →

Or see them drawn to scale, side by side, or start from the common Hammond sizes.

Plan your C65 layout

Place the drill holes on a C65 in the editor, check everything clears the walls and the screw bosses, then print a true-size PDF drill template. Free, in your browser.

Start designing free →