Bryn Lucas

PK Sound · TX series · 2024

Rotating
logo badge

TX cabinets are installed upright or on their side. One moulded badge, shared by the whole series, turns in 90° steps so the PK logo always reads level.

  • Research (shown)
  • Sketch (not shown)
  • Prototype (shown)
  • Test (shown)
  • DFM (shown)
  • Production (shown)

Outcome In production: one three-shot moulded part for every TX cabinet. Drawings released at Rev.002, September 2024.

−90°0°+90°
01One badge, any install. It turns through 180° and locks at −90°, 0° and +90°.
Client
In-house
Company
PK Sound
Role
Industrial design, CAD, prototyping, production drawings, manufacturer sourcing, vendor management, timeline and quality correspondence
Product
Rotating LED logo badge for TX-series loudspeakers
Render of the lit badge on a TX cabinet grille
02Sign-off render: the badge on a TX grille, light bar on
Logo level on an upright cabinet
03Logo level on an upright cabinet
The same badge turned 90°
04The same badge turned 90°

01Concept to test

Brief and
prototypes

The TX range covers several cabinet sizes, each installed upright or on its side, so a fixed logo reads sideways half the time. One badge had to fit every cabinet, turn to suit the install, stay securely in place and discourage unauthorized removal.

The brief

  • One part, common to every TX cabinet
  • 180° of travel, set at −90°, 0° or +90°
  • Removable only with the grille off
  • Same size as the L-Acoustics X15 / X12 badge
  • Custom colours on request

Research

Competitor badges set the benchmark. The TX badge matches the L-Acoustics size, and adds custom colour, which neither L-Acoustics nor Meyer offers.

Prototypes

Printed frames and carriers proved the rotation and the fit before any tooling was cut. First-article parts from the manufacturer then showed how the light bar affected hue and diffusion.

Light bar

Test samples with different levels of diffusion additive in the plastic tuned the bar's opacity and evenness. The final mix is 4% diffuser with a 1% black tint.

Exploded view: badge, grille, mounting frame and rotating carrier
05Concept Exploded view: badge, grille, mounting frame and rotating carrier
Rotating carrier seated in its frame, wired for the LED
06Prototype Rotating carrier seated in its frame, wired for the LED
Legacy badge beside the new design: finish, texture and size
07Review Legacy badge beside the new design: finish, texture and size
Manufacturer's first-article part: hue and diffusion through the light bar
08First article Manufacturer's first-article part: hue and diffusion through the light bar
Fit check on a production grille
09Test Fit check on a production grille

02Development

Three shots, one part

Instead of assembling a body, a lens and a painted logo, the badge is moulded in three shots. Each shot hides the gate of the one before it, so the Class A face shows no marks, even when it's lit from behind.

  1. Moulded, not assembled Three shots make one finished part: no lens to glue, no paint line, and the colour is moulded in.
  2. Gates out of sight Shots 1 and 2 are gated on faces that shot 3 covers. The drawing rejects any visible gate or ejector mark, even with the LED on.
  3. Even light, set textures The bar's diffuser is matched to an approved light sample. Each face has its own texture: SPI A1, SPI D2 or MT-11440 brushed.
  4. Held fast Four insert-moulded N52 magnets and VHB tape hold the badge; removal takes more than 8 lb. Rev.002 refined the rotation locator.
  1. Shot 1 · BodyShot 1 · BodyABS/PC blend, black
  2. Shot 2 · Light barShot 2 · Light barMakrolon 2407 polycarbonate, 4% diffuser, 1% black tint
  3. Shot 3 · Logo and trimShot 3 · Logo and trimABS/PC blend, gun metal (RAL 7021)
10From the production drawing, Rev.002, sheet 3 of 7
Section drawing of the badge showing the three moulded shots interlocking
11Section B-B: the three shots interlock

03Result

One badge for the whole TX series

Now in production, from drawings released at Rev.002 in September 2024. The badge turns to suit any install, and can be moulded in custom colours for customers who want their own.

TX cabinet with the moulded badge
12TX cabinet with the moulded badge
Gun-metal logo over the black body
13Gun-metal logo over the black body