Paints & Pigments
Gaahleri Dual Drive Airbrush Compressor GT-918
Gaahleri Dual Drive Airbrush Compressor GT-918
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**Compressor only - airbrushes purchased separately**
Gaahleri introduces its innovative Professional Dual-Drive Airbrush Compressor design. The GT-918 single-piston compressor features a dual air outlet system and an attached 1-liter air tank, providing a wider range of applications and a more stable airflow. This design breaks through the limitations of traditional air pumps with their limited functions and outdated appearance.
The dual air outlet system operates individually, giving you the option to run two airbrushes side-by-side at different pressure settings.
Features
- Dual Air Outlets: Designed with a dual air outlet system that allows for individual control of air pressure and simultaneous operation of two airbrushes.
- Automatic Start/Stop: The compressor has an automatic start at 43 psi and stops at 57 psi, providing an airflow of 20-23 L/min.
- Distinctive Design: The innovative design not only enhances its aesthetic appeal but also effectively eliminates heat.
- Sound Proofing: An innovative soundproofing system ensures quiet operation, with a running noise level below 44 dB even at maximum power.
- Integrated Air Tank: The integrated 1-liter air tank enhances the consistency of airflow, so you can enjoy seamless operation without purchasing additional components.
Specifications
- Power: 1/5 HP
- Speed: 1750 RPM
- Voltage: 230-240v
- Air Output: 20-23 LPM
- Size: 27 x 14 x 23cm
- Weight: 5.1kg
Supplied with:
- Gaahleri GT-918 Compressor with attached 1-Litre Air Tank
- 2 x Filter Regulator Units with Moisture Traps (1/8 BSP Male Outlets)
- 2 x 1/8 BSP Black Braided Hoses
- 2 x Case Mounted Airbrush Holders
- 2 x Airbrush Piston Grip Moisture Filters

About Jo Sonjas Paints
The Paint: Jo Sonja's Artists Colours
Discover the vibrant potential of Jo Sonja’s Artists Colours, specially formulated flow formula acrylics that emulate traditional gouache. Crafted from the finest quality, pure pigments, these colours provide artists with exceptional coverage and a velvety matte finish. Ideal for intricate layering, the quick-drying nature allows for overpainting without damaging earlier layers, facilitating seamless corrections and enhancements to your artwork.
Unlike typical craft paints, Jo Sonja's offers a professional range designed for the discerning artist. Each colour is two to three times more concentrated, ensuring that your creations will pop with permanent, brilliant hues. Simplified use comes standard, as these paints are designed for immediate application without the need for complex instructions. Whether you’re a hobbyist or a professional, Jo Sonja’s Artists Colours are engineered to elevate your artistic vision to new heights.

Jo Sonja's® Artist Colours & Mediums
Founded in 1985 by Jim Cobb, Director of Chroma, and celebrated folk artist Jo Sonja Jansen, Jo Sonja's Decorative Painting System is a testament to innovation and artistic tradition. The collaboration aimed to fulfil the sophisticated demands of serious artists, combining Chroma's cutting-edge technology with versatile, long-lasting products. The system offers unparalleled flexibility, enabling artists to master historical techniques and pioneer new ones, thus securing a robust foothold in the decorative painting market.
Artists around the globe have come to recognize and value the brand's exceptional quality. Jo Sonja’s continues to influence the decorative arts significantly, with Chroma's commitment to innovation and excellence ensuring its ongoing leadership and presence in the market.
The Decorative Painting System
With the range of paints, also comes a range of mediums to allow unlimited techniques. Acrylic mediums are invaluable if you wish to change the paint consistency or alter drying times. Chroma has discovered ways of allowing the same set of colours to be applied on a variety of surfaces such as wood, metal, glass and textiles. The same colours (with the use of the mediums) can be stencilled, stamped, crackled or used in a host of elaborate faux finishes. By experimenting with the mediums, there are endless possibilities that can be achieved. Technique information sheets, designed to inspire your imagination, can be found on this website. Chroma continues its research and development of new products.

ASTM Standards and Jo Sonja's Artist Colours
Jo Sonja's Artist Colours are crafted using the highest quality pure pigments, adhering to rigorous ASTM (American Society for Testing Materials) standards. This independent body ensures reliable classification for pigment lightfastness and health labelling standards. Each colour in our range boasts an ASTM rating, affirming its resistance to fading and guaranteeing that the hues will remain vibrant and true for generations.
Our ongoing commitment to quality is reflected in continual testing and stringent quality controls, allowing artists to trust implicitly in the enduring brilliance and performance of our paints.
Jo Sonja's Paint Quality and Standards
ASTM Ratings: Ensuring Colour Longevity
ASTM 1 – Excellent Lightfastness: Highest rating, indicating superior resistance to fading.ASTM 2 – Very Good Lightfastness: Very reliable in maintaining colour integrity over time.
Note: All Jo Sonja’s paints are rigorously tested and carry either an ASTM 1 or 2 rating, ensuring top-tier durability and fade-resistance for your artwork.
Archival Quality:
Archival Standards: Jo Sonja’s paints and mediums are not only lightfast but also archival and lignin-free, making them an ideal choice for artworks intended for long-term preservation.By using Jo Sonja’s paints, artists ensure their creations remain as vivid and impactful as the day they were painted, backed by our commitment to quality and enduring performance.