202N-GL

Every compression driver diaphragm is a compromise. Titanium rings. Polymers soften detail. Glass does neither. The 202N-GL is built around a precision-formed glass dome — the only one of its kind in the world — pairing metal-like stiffness with the natural internal damping metals can't offer. Breakup is pushed out of the working band, so the response stays smooth and controlled from 1 kHz to 20 kHz, exactly as the Klippel measurements show. Behind the glass: a 3" copper-clad aluminium ribbon voice coil on a kapton former, a powerful neodymium motor and a PEI surround, delivering 109.5 dB sensitivity from a package just 58 mm deep and 1.9 kg light.

The 202N-GL is a 1.4-inch (35 mm) exit compression driver with a 3-inch (75 mm) voice coil, designed for high-frequency reproduction in professional two-way PA, touring, and installation systems. Sensitivity is high at 109.5 dB (1 W / 1 m) with a nominal impedance of 8 ohms (Re 5.9 ohms). The driver is unique in using a glass diaphragm — currently the only compression driver in the world to do so — combining high stiffness with strong internal damping; measured response remains smooth from approximately 1 kHz to 20 kHz without the breakup peaks typical of metallic domes. The motor uses a neodymium magnet with a copper-clad aluminium ribbon (CCAR) voice coil on a kapton former and a PEI surround.

The 202N-GL is intended for horn loading via its 35 mm (1.4-inch) exit and is not intended for direct-radiating use. With a free-air resonance (Fs) of 710 Hz, the recommended minimum crossover is approximately 1.2–1.5 kHz with a slope of 12 dB/octave or steeper; crossing at 1.5 kHz or above with 24 dB/octave maximizes power handling and diaphragm protection. Horn selection determines directivity and loading; constant-directivity horns with 1.4-inch throats are appropriate.

Power handling is approx. 70 W (AES) and 140 W continuous (280 W peak), rated above the recommended crossover. The driver requires DSP control, including a high-pass filter at or above the crossover frequency, output limiting, and equalization appropriate to the chosen horn. Typical operating bandwidth is 1.2–20 kHz.

Applications include the high-frequency sections of premium two-way touring and installation loudspeakers, theatre systems, and horn-loaded designs where low distortion and smooth extended high-frequency response are prioritized. The compact neodymium assembly (112 mm overall diameter, 58 mm depth, 1.9 kg net) suits weight-sensitive arrays and compact enclosures. Performance priorities are consistency, low harmonic distortion, and extended bandwidth at high output.