background image

CX335 User Manual v1.0

6

Block Diagram

Example System Signal Path 

(see “Signal path considerations” on page 8)

Mixer or Zoner

Audio Sources

CX335

Loudspeaker Systems

Multi-Channel

Amplifier.

Front panel descriptions

Split Band Compressor-Limiter

C X   3 3 5

Power

GAIN REDUCTION

OUTPUT DISPLAY

30

-20

20

-16

15

-12

10

-8

6

-4

4

0dB

2

+4

1

+8

0dB

+12

KNEE

THRESHOLD

RATIO

PEAK

GAIN

BYPASS

4

4

0

3

10

- +

8

8

NORMAL

BYPASS

12

12

dB

L

R

LIMIT

dBu

6

15

20

0

26

-

NORMAL

SOFT

SLOW

HARD

3

-2

-4

6

2

5

10

20

1.5

1.2

:1

-10

-15

-20

+10

5

0

dBu

ENVELOPE

2

3

4

6

5

5

7

10

11

1

12

12

8

1.  Power switch with integral LED
2.  THRESHOLD – rotary control setting the signal level above which the compressor-limiter applies gain reduction.
3.  RATIO – rotary control setting the degree of compression applied to signals above the threshold.
4.  PEAK – rotary control setting the signal level at which the (independent) peak limiter operates.
5.  LIMIT – red LED, illuminates when the peak limiter is active.
6.  GAIN – adjust to match the output level to the input level on normal programme material when the CX335 is active.
7.  ENVELOPE – push-button switch: Out = ‘Normal’; In = “Slow”. Select to obtain the best audible results for the type of 

programme material in use.

8.  KNEE – push-button switch: Out = “Hard”; In = “Soft”. Select to obtain the best audible results for the type of programme 

material in use.

9.  BYPASS – push-button switch; press to bypass all internal dynamics processing.
10.  OUTPUT DISPLAY – two 9-segment LED bargraph meters showing the level of the L and R outputs in 4 dB steps from 

-20 dB to +12 dB. The 0 dB LED is yellow, with higher and lower levels being indicated by red and green LEDs respectively. 
0 dB is equivalent to an output level of 0 dBu (0.775 V

rms

).

11.  GAIN REDUCTION – 9-segment LED bargraph meter indicating the degree of gain reduction being applied. The ‘0 dB’ 

LED is coloured green, and will remain illuminated even when there is no signal (thereby indicating that no gain reduction 
is being applied).

12.  2 x M3 fixing holes for security cover

Содержание CX335

Страница 1: ...ssor Limiter CX 335 Power GAIN REDUCTION OUTPUT DISPLAY 30 20 20 16 15 12 10 8 6 4 4 0dB 2 4 1 8 0dB 12 KNEE THRESHOLD RATIO PEAK GAIN BYPASS 4 4 0 3 10 8 8 NORMAL BYPASS 12 12 dB L R LIMIT dBu 6 15 2...

Страница 2: ...feat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide...

Страница 3: ...Box 5 Block Diagram 6 Front panel descriptions 6 Rear panel descriptions 7 Installation 8 Mechanical 8 Connections and adjustments 8 Chassis Ground Terminal 10 Fitting the tamper proof cover 10 Operat...

Страница 4: ...mains transformer has a primary winding with both 230V and 115V tappings enabling the unit to be operated from mains voltages in the ranges 220V to 240V or 110V to 120V The voltage range to which the...

Страница 5: ...of up to 26 dBu The CX335 is extremely transparent in operation and when set correctly imposes minimum colouration on the audio programme CX335 main features Stereo compressor limiter for dynamic ran...

Страница 6: ...MIT red LED illuminates when the peak limiter is active 6 GAIN adjust to match the output level to the input level on normal programme material when the CX335 is active 7 ENVELOPE push button switch O...

Страница 7: ...and right channels 14 OUTPUTS 2 x XLR3M connectors electronically balanced outputs for left and right channels 15 EXTERNALVCA INTERFACE 9 pin female Dsub connector for external DC control ofVCA this c...

Страница 8: ...ory setting is printed on the rear panel below the IEC connector If it is necessary to change the mains voltage setting please refer to the Appendix of this User Guide Changing the AC Voltage setting...

Страница 9: ...remote relay as shown 1 9 8 7 6 5 4 3 2 N O RELAY CONTACTS Note that to achieve maximum attenuation the relay contacts should be wired directly to pins 3 and 5 of the Dsub connecter In this case the m...

Страница 10: ...o compression is applied However above the threshold the transfer characteristic is closer to the horizontal so the corresponding output signal level in this case is only 22 5 dB This is because the 1...

Страница 11: ...the peak limiter operates only rarely if at all if it is to be used purely for peak protection Adjustments Finding the optimum settings for the front panel controls is relatively straightforward Howe...

Страница 12: ...scribed for Mode 1 above The LIMIT LED is likely to flicker more often than in Mode 1 especially with very percussive tracks at high level No artefacts should be noticeable until very high input level...

Страница 13: ...pped holes in the front panel and tighten with a nut driver 5 Fit the security cover over the brackets and secure it in place with the two M3 x 6 hex head screws supplied The four small holes in the u...

Страница 14: ...ons The CX335 Compressor Limiter fully conforms to the relevant electromagnetic compatibility EMC standards and is technically well behaved You should experience no problems interfacing it to other it...

Страница 15: ...cally balanced XLR3M Output Impedance 80 ohms Max Output Level 26 dBu Minimum Output Load 600 ohms Compressor Threshold range 20 to 10 dBu Ratio Adjustable unity no compression to brick wall limiting...

Страница 16: ...Cloud Electronics Limited 140 Staniforth Road Sheffield S9 3HF England Tel 44 0 114 244 7051 Fax 44 0 114 242 5462 email info cloud co uk web www cloud co uk...

Отзывы: