Master Audio DR7 Compression driver 200w 8Ω 110dB 1″

• Throat diameter: 2.50 cm (1“); impedance: 8 ohms; rms power: 200 watt; max power: 400 watt; Sensitivity: 110 db; Frequency response: 1000 - 20000 hz; Coil diameter: 44 mm (1.75“);
• Membrane material: titanium; Compatible with 1 and 3/8" threaded horns; Magnet diameter: 11.50 cm; mounting depth: 6.00 cm; Driver weight: 1.500 kg; Package weight: 1.700 kg; Sold individually;
• Compact, powerful and of quality, these are the characteristics of this driver with the 2.50 cm diameter attack (1“). The magnet is powerful, suitable for use in disco, DJ, party, parties in general. It develops a huge power of 200 watts rms and has a 44 mm coil;
• You can adapt any trumpet found on the market or choose among those present in our shop always with 2.50 cm (1”) or build one;
• This driver can be amplified by a traditional 2-channel amplifier in 200 watt rms class ab. To avoid irreparable damage to the driver do not exceed the powers recommended by the house.

1” high frequency compression driver, titanium
diaphragm, flat aluminium wire voice coil, low distortion,
extremely good response from 1.5 kHz. to 18 kHz.

Specifications1
Throat Diameter 25 mm. (1 in.)
Nominal Impedance 8 Ω
Minimum Impedance 7.6 Ω
Power Handling
(1500 –20000 Hz)
Nominal2 60 W
Continuous Program3 120 W
Sensitivity (1W/1m)4 106 dB
Frequency Range 1 – 18 kHz
Recommended Crossover5 1.5 kHz
Voice Coil Diameter 44 mm. (1.7 in.)
Winding Material Aluminium
Inductance 0.11 mH
Diaphragm Material Titanium
Flux Density 1.7 T
Also available in 16 Ω, data upon request

Mounting and Shipping Informations
Two M6 holes 180° on 76 mm. (3 in.) diameter
Three M6 holes 120° on 57 mm. (2.2 in.) diameter
Overall Diameter 134 mm. (5.3 in.)
Depth 68 mm. (2.7 in.)
Net Weight (1 unit) 2.9 Kg. (6.4 lb.)
Shipping Weight (4 units) 12.5 Kg. (27.5 lb.)
Shipping Box (4 units) 300x160x180 mm.
(12x6.3x7.1 in.)
1 Driver mounted on B&C ME 45 horn.
2 2 hours test made with continuous pink noise signal (6 dB crest factor) within
the specified range . Power calculated on rated minimum impedance.
3 Power on Continuous Program is defined as 3 dB greater than the Nominal
rating.
4 Applied RMS Voltage is set to 2.83V for 8 ohms and 4V for 16 ohms Nominal
Impedance. Average SPL from 1000 to 18000 Hz.
5 12 dB/oct. or higher slope high-pass filter.

Driver 1" 20W, 107dB