Page 1
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CD-11Nd
COMPRESSION DRIVER
KEY FEATURES
● 1” (25,4 mm) exit high frequency compression driver
● 1,75” (44,4) DUO double layer in/out aluminium voice coil
● Sensitivity 111 dB (1W / 1m)
● 140 W program power above 1,5 kHz
● PM4 polymer diaphragm for natural sound reproduction
● Aluminium cover
● FEA optimized neodymium motor structure
TECHNICAL SPECIFICATIONS
Nominal diameter
Rated impedance
Minimum impedance
D.C. resistance
Power capacity
Program power
Sensitivity
Notes:
1
The power capaticty is determined according to AES2-1984 (r2003) standard.
2
Program power is defined as the transducer’s ability to handle normal music program material.
3
Sensitivity was measured at 1m distance, on axis, with 1W input, averaged in the range 2 - 7 kHz
1
2
3
25,4 mm 1 in
8 Ω
5,5 Ω
4,3 Ω
70 W
above 1,5 kHz
AES
140 W above 1,5 kHz
111 dB 1W / 1m @ ZN
coupled to TD-164
Frequency range
Recommended crossover
Voice coil diameter
Flux density
Bl factor
0,7 - 19 kHz
1,5 kHz or higher
(12 dB/oct min.)
44,4 mm 1,75 in
2 T
6,6 N/A
Acústica Beyma SL - P.I. Moncada II, C/ Pont Sec, 1C - 46113 Moncada, Valencia (Spain) - Tel. +34 96 130 13 75 - beyma@beyma.com
Page 2
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02/19
CD-11Nd
COMPRESSION DRIVER
[dB]
MOUNTING INFORMATION
Overall diameter
Depth
[Hz]
Note: On axis frequency response measured coupled
to TD-164 horn in anechoic chamber, 1W / 1m
100 mm 3,9 in
47 mm 1,9 in
[Ω]
DIMENSION DRAWING
Mounting
Net weight
Shipping weight
Acústica Beyma SL - P.I. Moncada II, C/ Pont Sec, 1C - 46113 Moncada, Valencia (Spain) - Tel. +34 96 130 13 75 - beyma@beyma.com
Three M5 threaded holes, 120º apart
on 57 mm (2,24 in) diameter circle
Two M5 threaded holes, 180º apart
on 76,2 mm (3 in) diameter circle
1,3 kg 2,9 lb
1,4 kg 3,1 lb
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