Peavey CS 1200X Page 20 Operating Manual Download

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PATCH DIAGRAMS

Channel A

Speakers

Channel A

Speakers

Stereo Mode

Channel B

PATCH DIAGRAM

Stereo Operation

Unbalanced High Z Inputs

(Typical Home Stereo)

Channel A

(Balanced)

Stereo Mode

Jumper Plugs

Channel B

(Balanced)

PATCH DIAGRAM 2

Stereo Operation

Balanced Low Z Inputs

(Balanced)

Mono

from

Stereo Mode

Jumper Plugs

PL-2

PATCH DIAGRAM 3

Monaural Operation

Balanced Low Z Inputs

(Jumped Inputs)

Mode

(Unbalanced)

from

Ohm

Speaker Load

Between Red Binding Posts

Jumper Plugs

PATCH DIAGRAM 4

Bridae Mode

Z Inputs

(Pin

Input)

To Low

Speakers

Patch Cord for Low Pass

(Balanced

Crossover Module

Mono

from

Jumper Plugs

Speakers

Patch Cord for

Pass

PATCH DIAGRAM 5

Biamp Operation

Balanced Low Z Input

(Monaural Signal)

Channel A

Frequency Speakers

To Channel B

Low Frequency Speakers

Cord

Crossover Jumper

Modules

Channel B

PATCH DIAGRAM 6

Biamp Operation

Unbalanced High Z Inputs

(Stereo Signal)

Summary of Contents for CS 1200X

Page 1: ......

Page 2: ...r indiquer l utilisateur la prksence B l int ieur dc ce produit de tension non isolke dangereuse pouvant re d intensitk suffisante pour constituer un risque de choc 6lectrique A Ce symbole est utilis6 pour indiquer B l utilisateur qu il ou qu elle trouvera d importantes instructions xur l utilisation et l entretien service de l appareil dans la littkrature accompagnant le produit ATTENTION Risques...

Page 3: ...4 ohms rated power Total Harmonic Distortion less than 0 03 rated power Hum and Noise 100 dB below rated power unweighted All the current features of the previous units have been retained including Peavey s patented DDTTM compression system and the very flexible back panel patching capabilities The two speed fan cooling system has been improved to automatically provide additional cooling for the t...

Page 4: ...LED will also go out on that channel Excessive temperature conditions can occur in the CS 1200X if either or both channels are continuously operated into less than 2 ohm loads or a short circuit or if the ambient temperature of the air supply becomes too hot to provide adequate cooling even under normal 2 ohm or greater loading situations Since the CS 1200X is a redundant amplifier the shutdown of...

Page 5: ...eadroom A setting of less than full clockwise will yield lower system noise at the expense of mixer system headroom A more thorough discussion of input sensitivity follows later in this manual MAINS POWER SWITCH 5 The front panel of the CS 1200X contains a conventional on off rocker switch When the ampli fier is plugged into a suitable power source activating this switch should light both channel ...

Page 6: ...e amplifier is properly grounded CIRCUIT BREAKERS 9 The new CS 1200X now features circuit breakers in place of the mains fuses These breakers are provided to limit the mains current to the associated power transformers thereby protecting them from overheating and possible destruction due to any fault conditions in the amplifier The trip current value has been carefully chosen to allow continuous p...

Page 7: ...ed as either the channel inputs or the crossover inputs depending upon what has been plugged into the crossover socket 14 Further this XLR input is balanced or unbalanced depending upon what is plugged into the transformer socket 12 When the PL 2 line balancing transformer is used in socket 12 this XLR input becomes fully TRANSFORMER BALANCED with pin 3 as the positive input and pin 2 as the negat...

Page 8: ...rom the installed PL MODULE ELECTRONIC CROSSOVER This output must be patched to the appropriate power amp input jack to create an operational biamp system On some special purpose modules this output jack is not used CROSSOVER HIGH OUTPUT 16 This jack supplies the crossed over high frequency output from the installed PL MODULE ELECTRONIC CROSSOVER This output must also be patched to the appropriate...

Page 9: ...ers are properly grounded INDUSTRIAL AND COMMERCIAL INSTALLATIONS For commercial and other installations where sustained high power operation is required the amplifiers should be mounted in a standard 19 rack It is not necessary to leave a rack space between each amplifier in the stack since the fan pulls air in from the rear and exhausts the hot air out of the front An adequate cool air supply mu...

Page 10: ...ble runs are em ployed or when the associated mixer used has a full transformer balanced output Under these circumstances this configuration will usually provide adequate hum and interference rc jection for most environments Notice that the jumper plugs in the crossover accessory sockets arc required to complete the signal patch to the respective power amp inputs 17 If the normal unbalanced l 4 po...

Page 11: ... PANEL STEREO MODE WITH BAL INPUT TRANSFORMER MODULES 3 BIAMP STEREO MODE The Peavey CS 1200X patch panel can also be used to biamp and or provide special equalization capabilities for loudspeaker systems Various electronic crossovers and special purpose modules are available in a broad range of frequencies for both Peavey and non Peavey loudspeaker systems More complicated systems such as stereo ...

Page 12: ...s case one channel of the CS 1200X can be patched for the lows and the other channel patched for the highs resulting in a simple compact system with outstanding performance A CAUTION Since the CS 1200X is capable of producing more than 600 watts RMS per channel into a 4 ohm load the high frequency components of the particular loudspeaker system must be able to handle these power levels reliably Al...

Page 13: ...X OVER INPUT SENSITIVITY CONTROLS 0 PATCH PANEL BRIDGE MODE WITH JUMPERS The input sensitivity rating of a power amplifier is he RMS voltage level required at the input to produce full rated power into the rated load at the output This voltage then becomes the level at which the associated mixer must operate in order to drive the amplifier to full output The CS 1200X sensitivity controls are calib...

Page 14: ...rom the power amplifier Techniques using external compressors limiters are usually less effective severely limit output power levels and require additional controls and add complexity to an already complicated system The DDT system is an automatic hands ofl approach to Ihe problem of amp clipping Because of the dynamics of music and vocals it is quite common lo activate the DDT compression circuit...

Page 15: ...rticular channel The CS 1200X also has a fail safe thermal mechanism built into the unit If either channel s thermal logic system should fail to cause thermal shutdown in that channel or if the fan itself should fail this fail safe system will shut down the entire amplifier just as if you had turned off the power switch This is just one more protection that Peavey has incorporated into this unique...

Page 16: ...stems that provide access to the individual speaker components bypassing the built in passive crossover most Peavey systems offer biamp high and low switching jacks on the back panel 2 The crossover module used must have the proper characteristics to match the particular loudspeaker system Of greatest importance is the crossover frequency Peavey offers a variety of plug in crossover modules that a...

Page 17: ...s such there is no reduction in high pass level Consequently the pad must be accomplished using the high pass channel sensitivity control The amount of pad required is always the difference between the efficiency ratings of the high and low speaker components Whenever Peavey loudspeakers are operated using the special crossovers the sensitivity controls should be set at full clock wise settings ma...

Page 18: ...rated power 4 ohms 0 1 THD Slew Rate Typical Value Stereo mode each channel Bridge mode mono Total Harmonic Distortion Typical Stereo mode both channels driven 20 Hz to 20 kHz 4 ohm rated output Input Sensitivity Impedance Input attenuator set FCW rated output power 4 ohms Dimensions Weight Height Width Depth Weight 900 W RMS per channel 630 W RMS per channel 390 W RMS per channel 1800 W RMS 1260 ...

Page 19: ... Stereo mode both channels driven 4 ohms 1 kHz Hum Noise Stereo Mode both channels driven Below rated output power 4 ohms Power Consumption Stereo mode both channels driven rated output power 4 ohms Cooling System DDT Compression System 5 Hz to 50 kHz 20 Hz to 20 kHz Greater than 200 100 dB unweighted 15A 120VAC 2 speed fan Switchable with LED 21 ...

Page 20: ... Jumped Inputs Bridge Mode Unbalanced Mono S onal from M xer 1 Ohm Mmlmmum Speaker Load 3xmected Between Red Binding Posts Jumper Plugs PATCH DIAGRAM 4 Bridae Mode Ooeration Unbalanced Lod Z Inputs Pin 3 Input To Low requency Speakers ShIelded Patch Cord for Low Pass Balanced Crossover Module Mono Stgnal from MIX Jumper Plugs To H gh requency Speakers Shlelded Patch Cord for High Pass PATCH DIAGRA...

Page 21: ...es and the other terms and conditions expressed herein have been complied wrth Peavey will provide the necessary warranty service to repair or replace the product and will return it FREIGHT COLLECT to you the purchaser Peavey s liability to the purchaser for damages from any cause whatsoever and regardless of the form of action including negligence is limited to the actual damages up to the greate...

Page 22: ...uld be taken so that objects do not fall and liquids are not spilled into the unit through the ventilation holes or any other openings This unit should be checked by a qualified service technician if a The power supply cord or plug has been damaged b Anything has fallen or been spilled into the unit c The unit does not operate correctly d The unit has been dropped or the enclosure damaged The user...

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