NEW 1.4” High Frequency Compression Driver, 1.75” voice coil, 40 W, 109 dB

 

D3644_copy

KEY FEATURES:

  • 1.4" Throat diameter
  • 44 mm (1.75 in.) voice coil
  • 80 W Program Power Capacity (2-20 kHz)
  • 109 dB Sensitivity (1 -5 kHz)
  • Frequency range 0.8 - 20 kHz
  • New phase plug design
  • Copper inductance ring for extended response
  • Vented suspension
  • Very low distortion

 

The D3644 is 1.4” high frequency compression driver, improved version of D3645, with reduced weight. It is designed for a wide variety of applications including budged projects requiring 1.4" driver of high quality. The new phasing plug design, copper inductance ring and new dome ensure low distortion at the high sound levels. The D3644 offers all the benefits of the comperssion driver in a 1.4" format, but at much reduced cost.

 

SPECIFICATIONS

Throat diameter
Nominal impedance
Minimum impedance
D.C. resistance
Power capacity (2-20 kHz)
Program Power Capacity (2-20 kHz)
Sensitivity (1-5 kHz)
Frequency range
Recommended crossover
Voice coil diameter
Flux density

36 mm (1.4 in.)
8/16 Ohms
7.46/12.45 Ohms
5.75/10.48 Ohms
40 W
80 W
109 dB
0.8 - 20 kHz
1.2 kHz or higher 12 dB/oct.min
44 mm (1.75 in.)
1.75 T

MATERIALS OF CONSTRUCTON

Diaphragm
Voice coil material
Voice coil former

sandwich polyester
Aluminium
Kapton™


Positive voltage on red terminal moves diaphragm toward the phasing plug

MOUNTING INFORMATION

Overall diameter
Depth
Mounting
Net weight

121 mm
66 mm
4 x M6 on 101,6 mm (4 in.) diameter
2.3 kg

 

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