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400-2000 EXC
Bass drive unit.

A high low register speaker of audiophile quality: the 400-2000 EXC offers very high quality of answer (speed and broad band) because it is built goshawks of the same membrane as 400-2000. Its advantage remains open the possibility of adjustment of these parameters thanks to a powerful engine electromagnetic. Adaptable of this fact to many enclosures, it requires an external power (ideal of 10 with 14V for 5A).


For the audiophiles in search of absolute, the 400-2000 EXC is available in silver coil version (99.99%).

Mesurements curves
400-2000 EXC specifications

Efficiency 1 W/1m at Fs

90 à 99 dB

Power supply

0 à 13 Volts CC.
Frequency response 23 4 kHz Magnetic field 0 à 1.6 T
Impedance 8 ohms

Diameter HP

404 mm

Power max. RMS

120 W

Frame thickness

Alu 10mm
Weight 10.7 kg Diameter fixation holes 382 mm
Suspension Toile

Diameter drilling enclosure

358 mm

Resonance frequency

23 Hz

Depth HP

215 mm
Linear excursion 10 mm Sd
855 cm²

Thiele et Small parameters

Fs
Mms
Cms
Re DC
25 Hz
66 g
0.5
6.5

 

Vcc

5 V

7 V

9 V

11 V

13 V

14 V

15 V

Vas 434 444 440 433 438 439 429

Qts

1.011

0.598

0.431

0.309

0.236

0.215

0.195

Qe

1.082

0.627

0.446

0.317

0.242

0.219

0.200

Qm

15.349

13.531

12.801

11.490

10.060

9.935

9.334

Bl

8.381

10.879

12.964

15.496

17.626

18.491

19.596

SPL ref

91.5

94

95.4

96.8

98.1

98.7

99.1