Overview

The ETF-PB is a B size pattern holder for S4, built to keep metal gobos flat and stable in the fixture focal plane. Its metal frame and heat-resistant plastic knob make pattern handling more predictable during focus, changeover, and mid-show service.

Why It Matters

B size holders are the everyday workhorse for many Source Four pattern calls. When a logo or texture has to drop into a fixture quickly, the correct holder keeps the pattern seated cleanly instead of turning focus time into hardware sorting.

Key Features

• B size holder format matches the intended S4 accessory slot instead of forcing a near-fit holder into the optical path.
• Metal gobo frame keeps the pattern flat through normal fixture heat, helping logos and texture projections stay sharp.
• Heat-resistant plastic knob supports tool-free insertion and removal without grabbing the hot metal frame directly.
• Purpose-built pattern holder helps rental and venue crews keep gobo stock organized by fixture family.

Host Fixture

Designed for S4. This holder is for standard metal-cut gobos used in projection work, with the holder size selected to match the fixture accessory slot and focal plane.

Applications

A practical choice for theatre logo projection, scenic texture, corporate branding, architectural pattern work, and rental-house gobo inventory where repeatable fixture fit matters.

Compatibility

Use with S4; match holder size and fixture slot before mixing S4, Selecon Pacific/SPX, and other ellipsoidal inventories.