
Cylindrical Purity and Generous Acoustic Fidelity
Designed in various versions, to meet the need for sound environments from the ceiling while maintaining a remarkable aesthetic cleanliness.
Minimalist in appearance but generous in sound, the T13 Series (models T13 and T13S) is crafted in satin or mirror polished aluminium as well as refined lacquered finishes, aligning seamlessly with circular architectural lighting fixtures.
The flush in-wall/ceiling plasterboard model T18CG integrates smoothly into the ceiling plane, providing uniform acoustic dispersion across the listening area without interrupting interior spatial clarity.
T Series Models
Cylindrical ceiling and wall options designed for pristine architectural clarity.
T13 Ceiling / Wall Cylindrical Speaker
50 W RMSCylindrical ceiling pendant or surface mount speaker; 50W power, optional 100V line transformer and wide dispersion.
Ceiling pendant kit, ceiling surface or wall mount
- Ø 130 mm cylindrical sculptural aluminium enclosure
- 50 W RMS power and 80 Hz - 20 kHz balanced acoustic response
- Optional 100V line transformer for hospitality and commercial installations
- Flawless architectural symmetry with circular downlights
T13S Slim Profile Cylindrical Speaker
50 W RMSCompact 89 mm shallow depth cylinder; ideal for low ceilings and narrow wall installations.
Ceiling surface or wall surface mount
- Shallow 89 mm depth for low-ceiling architectural spaces
- 50 W RMS high acoustic efficiency and expansive soundstage
- Solid machined satin aluminium or lacquered finish options
- Low-distortion coaxial acoustic transducer architecture
T18CG In-Wall / Ceiling Plasterboard Speaker
50 W RMSFlush in-wall and ceiling round speaker delivering rich 60 Hz bass response with frameless architectural integration.
In-wall or ceiling plasterboard flush (CG)
- Truly flush (rasomuro) frameless architectural integration
- Extended 60 Hz - 21 kHz frequency response with 89 dB sensitivity
- Micromimetic fabric grille blending into custom paint finishes
- Enveloping audio without revealing the loudspeaker source
Colours and Finishes
The T Series complements lighting fixtures and ceiling design with its machined aluminium cylindrical body and premium textile grilles.

White Lacquer

Anthracite Lacquer

Satin Anodized Aluminium

White Fabric

Black Fabric

Sand / Beige Fabric
Ordering and Configuration Matrix
T Series ordering codes, installation variants and colour combinations table.
| Series | Mounting | Variants | Frame | Fabric | Description | Dimensions |
|---|---|---|---|---|---|---|
| EK-T13 | W (Duvar / Tavan) | ST / 100V | LB, LA, ASA | BI, NE, SA | Wall / Ceiling cylindrical speaker, 50W, 80-20,000 Hz | Ø 130 x P 132 mm |
| EK-T13S | W (Duvar / Tavan) | ST | LB, LA, ASA | BI, NE, SA | Slim wall / ceiling cylindrical speaker, 50W, 80-20,000 Hz | Ø 130 x P 89 mm |
| EK-T18 | CG (Alçıpan) | ST | LB, LA, ASA | BI, NE, SA | Plasterboard built-in round speaker, 50W, 60-21,000 Hz | Ø 180 x P 70 mm |
Technical Specifications Comparison
Mounting, frequency, power and dimensional parameters of T13, T13S and T18CG models.
| Parameter | T13 | T13S (İnce) | T18CG (Gömme) |
|---|---|---|---|
| Loudspeaker Type | Tavan / Duvar Silindirik | İnce Tavan / Duvar | Alçıpan Gömme Yuvarlak |
| Nominal Power (RMS) | 50 W (100V opsiyonel) | 50 W | 50 W |
| Frequency Response | 80 Hz - 20.000 Hz | 80 Hz - 20.000 Hz | 60 Hz - 21.000 Hz |
| Sensitivity (1W / 1m) | 88 dB | 88 dB | 89 dB |
| Impedance | 8 Ω (100V hat trafosu) | 8 Ω | 8 Ω |
| Acoustic System | Pnömatik akustik süspansiyon | Pnömatik akustik süspansiyon | Akustik kapalı süspansiyon |
| Transducers | Geniş bant koaksiyel ünite | Kompakt koaksiyel ünite | Özel alaşımlı koaksiyel sürücü |
| Dimensions | Ø 130 x P 132 mm | Ø 130 x P 89 mm | Ø 180 x P 70 mm |
| Weight | 1,8 kg | 1,4 kg | 1,6 kg |
| Mounting Style | Tavan sarkıt / Yüzey | Tavan / Duvar yüzey | Alçıpan sıva altı gömme |
The T Series Architectural Experience
Cylindrical forms harmonizing visually with ceiling lighting fixtures, delivering pristine acoustics.

Flawless Cleanliness on the Ceiling
Perfect acoustic and visual harmony with circular pendants and downlight fixtures.
Technical Documentation
Download official technical datasheets, dimensional diagrams and mounting instructions for T Series.
T Series Technical Datasheet
STEKSERIET_v1_P.pdf • 291,7 KB • v. 1.0 (05/06/2023)
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