Cloud Electronics CX2300 - Manual (Page 12)

CX2300 I NSTALLATION AND OPERATION MANUAL 11
Low Pass High Pass
Freq R1 R3 R5
R20 22 24
R2 R4 R6
R19 21 23
R9 R16 R10 R15 R11 R18 R12 R17 R7 R14 R8 R13
1.7kHz 9k1 16k 13k 16k 4k7 6k2 68k 160k
1.8kHz 8k2 16k 6k8 ----- 3k9 6k8 91k 91k
1.9kHz 6k8 22k 13k 13k 4k7 4k7 43k -----
2kHz 8k2 12k 10k 16k 4k3 4k7 82k 82k
2.25kHz 8k2 9k1 10k 12k 2k ----- 36k -----
2.5kHz 3k9 ----- 8k2 12k 1k8 ----- 62k 68k
2.75kHz 6k8 7k5 7k5 11k 3k 3k6 56k 62k
3kHz 6k2 6k8 6k8 10k 1k5 ----- 27k -----
3.25kHz 4k7 8k2 7k5 7k5 2k2 3k6 39k 68k
3.5kHz 5k1 6k2 5k6 9k1 2k4 2k7 43k 51k
3.75kHz 3k9 7k5 ----- 6k2 1k6 4k7 43k 43k--
4kHz 4k7 5k1 7k5 5k1 1k6 3k6 36k 47k
4.25kHz 3k9 5k6 3k3 20k 2k 2k2 30k 51k
4.5kHz 4k3 4k3 5k1 5k6 1k8 2k2 18k -----
4.75kHz 3k9 4k3 5k1 5k1 1k6 2k2 27k 47k
5kHz 3k9 3k9 4k3 5k6 1k6 2k 16k -----
5.25kHz 3k 4k7 3k9 5k6 1k6 1k8 27k 36k
5.5kHz 3k 4k3 3k9 5k1 820R 68k 22k 43k
6kHz 1k6 ----- 2k ----- 1k1 2k2 27k 27k
6.5kHz 3k 3k 3k6 3k9 680R ----- 20k 33k
7kHz 2k4 3k3 3k3 3k6 1k1 1k5 22k 24k
8kHz 1k2 ----- 1k5 ----- 1k1 1k1 20k 20k
Note: All resistors are 1% tolerance unless marked * which denotes 5% tolerance.
With no card fitted, the filter operates at 40Hz.
7 Technical Specification
Frequency Response 20Hz – 20kHz ± 0.25db
Distortion (THD+N) 0.005% typ 20Hz - 20kHz 0dBu
Noise -91dB 22Hz - 22kHz RMS
-92dB A weighted
-90dB CCIR-ARM
Nominal input level 0dBu
Headroom 26dB
Input Impedance 10kΩ balanced - 5KΩ unbalanced