Fyne Audio F502SP: Bespoke RAL Classic Colour Finish

The F502SP is a 2.5-way floorstanding loudspeaker from Fyne Audio's Special Production range — and in its bespoke RAL Classic colour finish, a UK-exclusive configuration available only through selected Fyne Audio dealers. It shares its driver architecture with the F702: a 200mm IsoFlare point-source driver with a 25mm magnesium compression tweeter and FyneFlute roll surround, a second 200mm bass driver, and a crossover specified to F700 Series standards — not the standard F500S crossover. The result is a mid-size floorstander that is built and specified as an SP product, finished in any colour from the RAL Classic palette to the customer's choice.

The RAL Classic colour option is what makes this listing distinct. Standard F502SP finishes are Piano Gloss Black, Piano Gloss Walnut, and Piano Gloss White. The bespoke RAL option opens the full RAL Classic range — several hundred colours, from understated neutrals to strongly saturated hues — finished to the same high-gloss standard as the standard range. For a customer integrating a serious loudspeaker into a carefully considered interior, this is a meaningful distinction: the speaker does not have to be an accent or a contrast; it can be part of the room's considered palette.

Driver Architecture and F700 Series Specification

The 200mm IsoFlare driver in the F502SP is the same unit used in the F702 — rigid multi-fibre cone with FyneFlute roll surround and a 25mm magnesium compression tweeter with an HF wave guide pole piece. The HF wave guide pole piece controls the dispersion pattern of the compression tweeter's output as it couples into the IsoFlare cone, which maintains consistent frequency response across a wider listening angle than a conventional compression tweeter arrangement without a wave guide. The second 200mm driver handles the bass below 250Hz, crossing over to the IsoFlare unit at that frequency.

The crossover components are drawn directly from the F700 Series — not the standard F500S crossover. This is a substantive rather than cosmetic distinction: the F700 Series crossover uses higher-specification components and a more sophisticated filter topology than the standard S Series design.

BassTrax Tractrix Diffuser

The downfiring port uses an aluminium sandwich plinth incorporating Fyne's BassTrax Tractrix profile bass diffuser — re-engineered specifically for the F502SP's more compact cabinet dimensions rather than scaled from a larger design. The Tractrix profile maintains a consistent expansion angle as bass energy leaves the port, reducing reflections and smoothing the bass-to-room transition. The aluminium sandwich plinth adds mechanical rigidity at the base of the cabinet, which affects the definition of bass frequencies in the same way as it does in the F704SP.

The RAL Classic Colour Process

RAL Classic is the internationally recognised colour standard used across architecture, product design, and industrial finishing. The F502SP bespoke finish uses the RAL Classic system — which comprises several hundred defined colours — applied to the same high-gloss cabinet finishing process as the standard Piano Gloss range. Lead times for bespoke colour finishes are longer than standard stock items; we will advise on the current timescale when you enquire.

We can show you RAL Classic colour swatches in our Norwich showroom and discuss how different colours read in different lighting conditions — which matters when choosing a finish for a domestic installation.

Technical Specifications

Who Is It For?

The F502SP in bespoke RAL finish is for the buyer who wants F700 Series driver and crossover specification in a mid-size floorstander — and who wants the speaker to integrate with their interior rather than contrast with it. The standard F502SP is already a strong performer in this part of the range; the RAL option adds a dimension that no standard finish can provide.

For those who want to understand where the F502SP sits relative to the rest of the SP range, the F701SP standmount is the SP Series standmount, and the F704SP is the flagship SP floorstander with twin 300mm drivers. The SuperTrax super tweeter is a natural complement for the F502SP for extended HF performance, and the Fyne Audio Vintage Five is worth considering for buyers drawn to a heritage aesthetic at a different price point.

Buying from Martins Hi-Fi

Martins Hi-Fi has been in Norwich since 1968. Elizabeth Gould runs the business today, and we stock only brands we have heard properly and stand behind. The F502SP is available to hear in our Norwich showroom — call ahead and we will arrange a relevant demonstration. Dave and Chris can guide you through the RAL colour options, advise on lead times, and discuss system matching for the F502SP in your room.

Contact us at info@martinshifi.co.uk, call 01603 627010, or WhatsApp on 07554 687137. You can read more about how we work on our Why Martins Hi-Fi page. We are at 85–91 Ber Street, Norwich, NR1 3EY.