The Martin Audio Blackline F215+ is a two-way passive, trapezoidal enclosure and has dual 15” (380mm)/3” (75mm) voice coil low frequency drivers with a 1.4” (35mm) exit titanium diaphragm compression driver, mounted on a proprietary, rotatable, 80° x 50° constant directivity horn.
Below 250Hz, both LF drivers operate together to produce low frequencies, whilst above 250Hz, only the upper LF driver is used to reproduce the midrange up to the crossover point. This technique avoids the uneven response which would occur if both drivers were allowed to operate together over the midband.
Each of the two new LF drivers in the F215+ features a tough, water resistant cone with a lightweight, high BL, neodymium motor system with inside/outside coil windings for improved heat transfer. An aluminium demodulating ring improves the midrange performance at high levels and increased excursion is available via a triple roll surround and deep motor structure.
The F215+ can be used with or without a controller. Use of the M3+ or DX1.5 will enhance the low frequency performance of the system and provide high quality limiters to protect the F215+ from being overdriven
Features of the Martin Audio F215+
- Very high SPL from a full range passive enclosure
- Extended low frequency performance from dual
15” (380mm) low distortion drivers
- User rotatable 80°x 50° horn
- 1.4” (35mm) exit titanium dome compression driver
- Five year limited warranty
Ideal applications for the F215+
- Live sound reinforcement
- Drum monitor
- Nightclub installations
- Sidefill monitor
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