Peavey SA 4200 User Manual Download Page 4

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SA-4200™ Power Amplifier

Description

Keeping with the Sanctuary Series creed, this four-channel power amplifier solves common audio problems with exclusive Peavey 
technology. Built-in Auto Delay™ automatically measures and sets the proper delay time for fill loudspeakers, eliminating the 
frustrating delay and phasing problems experienced in many houses of worship.
The SA-4200 also features four channels rated at 200 watts each into 4 ohms or 70 volts (selectable in two-channel pairs). This 
versatility makes the SA-4200 ideal for delivering power to both main and balcony/fill loudspeakers and any application requiring 
multiple audio zones, such as cry rooms or paging systems in larger houses of worship.

Features

•  Four-channel power amplifier system rated at 200 watts RMS per channel
•  Low-Z (4 or 8 ohms) or 70V outputs selectable in two-channel pairs
•  Patent-pending, proprietary built-in Auto Delay circuitry 
•  Dedicated XLR-type, electronically balanced input connectors
•  Low-cut filter on each channel
•  Front panel detented level controls with security cover
•  Front panel AC power switch/circuit breaker
•  Short circuit, thermal and DC load protection circuitry
•  Rugged, 2U rack-mount design
•  Two-speed, fan-cooled patented heat-management design (U.S. Patent Number 6,515,859)
•  Signal and clip LED indicators for each channel on front panel 

Unpacking

Upon unpacking, inspect the amplifier. If you find any damage, notify your supplier immediately. Only the consignee may institute 
a claim with the carrier for damage incurred during shipping. Be sure to save the carton and all packing materials. Should you ever 
need to ship the unit back to Peavey Electronics, one of its offices, service centers or the supplier, use only the original factory 
packing. If the shipping carton is unavailable, contact Peavey to obtain a replacement.

Mounting

The SA-4200 amplifier will mount in standard 19” E.I.A. equipment racks.

Security Cover

A security cover is provided to prevent inadvertent level adjustments. It is designed to permit monitoring of the various LEDs 
without removal. To remove the cover‚ simply remove the Phillips-head mounting screw.

Cooling Requirements

The SA-4200 amplifier uses a forced-air cooling system to maintain a low, even operating temperature. Air is drawn into 
the amplifier via a fan located in the back of the unit and courses through the cooling fins of the tunnel-configured channel 
heat sinks. The air then exits through the front panel slots. If the heat sinks get too hot‚ a sensing circuit will activate the 
protective muting system to protect the amplifier. When the internal temperature reaches a safe level‚ the amplifier will 
automatically return to normal operation. It is important that both the front and rear of the unit have enough space to allow 
the cooling air to enter and escape. If the amp is rack mounted, do not use doors or covers on the front of the rack; the 
intake air must flow without resistance. If you are using racks with closed backs, make sure that there is one (1) standard 
rack space opening for every three mounted power amplifiers. If not rack mounted‚ allow 6” of clearance on all sides.

ENGLISH

Summary of Contents for SA 4200

Page 1: ...SA 4200 Power Amplifier Operating Guide For information on other great Peavey products go to your local Peavey dealer or visit us online at www peavey com or sanctuary series com ...

Page 2: ...lisé dans ce manuel pour indiquer à l utilisateur la présence d une tension dangereuse pouvant être d amplitude suffisante pour constituer un risque de choc électrique Ce symbole est utilisé dans ce manuel pour indiquer à l utilisateur qu il ou qu elle trouvera d importantes instructions concernant l utilisation et l entretien de l appareil dans le paragraphe signalé ATTENTION Risques de choc élec...

Page 3: ...d with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 14 Unplug this apparatus during lightning storms or when unused for long periods of time 15 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been s...

Page 4: ...stitute a claim with the carrier for damage incurred during shipping Be sure to save the carton and all packing materials Should you ever need to ship the unit back to Peavey Electronics one of its offices service centers or the supplier use only the original factory packing If the shipping carton is unavailable contact Peavey to obtain a replacement Mounting The SA 4200 amplifier will mount in st...

Page 5: ...ity connections input cables and loudspeaker cables along with proper soldering technique to ensure trouble free operation Most intermittent problems are caused by faulty cables Consult the Wire Gauge Chart below to determine proper gauges for various load impedances and cable lengths Remember that cable impedance robs amplifier power in two ways power lost directly to resistance I2R loss and by r...

Page 6: ...TO SUBPART J OF FCC RULES A PRODUCT OF PEAVEY ELECTRONICS CORP DESIGNED AND MADE IN U S A WWW SANCTUARY SERIES COM 120 VAC 60 Hz 1200 WATTS CLASS 2 WIRING PERMITTED FOR 70V OUTPUTS 200 WATTS CHANNEL AT 4 OR 70V OUTPUTS CLASS 3 WIRING REQUIRED FOR 140V OUTPUT BRIDGE MODE DUAL A B MODE 4 70V BRIDGE A B MODE 8 140V INPUT 1 GND 2 POS 3 NEG OUTPUT 1 GND 2 POS 3 NEG XLR DELAY FAULT CONDITIONS MOUNT IN R...

Page 7: ...LS These controls adjust the signal level to the power amplifier inputs Maximum input sensitivity is achieved at the fully clockwise setting These controls are detented to allow the input sensitivity of the channels to be closely matched This is essential in the bridged output mode See MODE CONFIGURATION on pages 18 21 5 AC POWER SWITCH CIRCUIT BREAKER The SA 4200 amplifier has a combination AC sw...

Page 8: ...12 FAN GRILLE A two speed DC fan supplies cool air to the amplifier This intake should never be blocked The fan automatically switches to high speed when the unit requires additional cooling When the amplifier is relatively cool and at idle the fan should operate at low speed The fan should never stop unless the amplifier is switched off or the AC mains power source is interrupted 13 CHANNEL INPUT...

Page 9: ...EST This switch is used to activate the AUTO DELAY circuitry Before the test mode can be activated the AUTO DELAY INPUT SELECT switch 16 must be set to the desired channel and the DELAY switch 20 on that channel must be ACTIVE The Delay meter LEDs illuminate when test mode is activated The TEST REFERENCE OUTPUT 22 must be connected to the main sound system and a microphone connected to the TEST MI...

Page 10: ...this application Phantom power 15 volts is supplied and will power most condenser microphones The test mic should be placed in the listening position nearest the auxiliary loudspeaker system that is being delayed If a directional mic is used it should be positioned so that it picks up signals from both the main and auxiliary loudspeaker systems 22 TEST REFERENCE OUTPUT This output is an electronic...

Page 11: ...rives from the delayed loudspeaker between 1 and 30 ms after the original the delayed loudspeaker is not heard at all even if the volume from each loudspeaker is the same The sound appears to come only from the non delayed loudspeaker However the perceived volume will be louder due to the combined power of the loudspeakers He further observed that if one loudspeaker is delayed 5 to 30 ms the delay...

Page 12: ... to manually or automatically set the delay The Auto Delay circuitry sets the delay by measuring and comparing the times for reference signals to travel to a microphone in the delayed listening position from the main and auxiliary loudspeaker systems The SA 4200 has a delay meter to indicate correct alignment of the main and auxiliary loudspeakers taking advantage of the Haas Precedent Effect Pres...

Page 13: ... level in the room Adjust the SA 4200 amplifier channel level control on the auxiliary channel to be delayed C or D so that the volume of the tone burst in the auxiliary loudspeaker system is similar in level to the tone burst of the main system at the microphone This is not a critical adjustment Adjust the delay time using the AUTO DELAY ADJUST Control 18 on the rear of the amplifier for the prop...

Page 14: ... Pin 3 is negative Normally balanced inputs are wired using two conductor shielded cable as shown in the following diagram For unbalanced single ended input the single conductor is wired to Pin 2 and the shield in connected to Pins 1 and 3 as shown below INPUT CONNECTIONS Balanced Unbalanced Ground Shield 1 3 2 2 3 1 LEVEL CONTROLS DETENT ATTENUATION 0 fully CCW 85 0 1 58 0 2 35 0 3 26 0 4 20 0 5 ...

Page 15: ...amplified signal at the output of channel A Likewise a signal at the input of channel B produces an amplified signal at the output of channel B and so on The loudspeaker load is connected to the amplifier output terminals matching the positive loudspeaker connection with the positive output terminal Likewise the negative loudspeaker connection is matched with the negative output terminal See OUTPU...

Page 16: ...nce in Bridge Mode is 8 ohms this is equivalent to driving both bridged channels at 4 ohms Using the 70V output configuration the bridged output is 140V and the minimum nominal load impedance in Bridge Mode is 50 ohms this is equivalent to driving both bridged channels at 25 ohms Driving loads of lesser impedance may activate the protective muting system See OUTPUT MODES below NOTE Regardless of o...

Page 17: ... 70V OUTPUTS C D OUTPUT MODE SELECT OUTPUTS A B DUAL A B MODE 4 70V BRIDGE A B MODE8 140V All outputs in Low Z mode 70V Mode This mode allows each output of the channel pair to directly drive a 70 volt constant voltage audio distribution system Use Bridge Mode to deliver the power of both channels to a 140 volt constant voltage audio distribution system See INPUT MODES above LOW Z 70V OUTPUTS C D ...

Page 18: ...se of a 70 volt matching transformer is possible with a 140 volt system by connecting the tap that is rated for 1 4 power or less to the desired 70 volt tap For example a ceiling loudspeaker with a 70 volt input tapped for 20 watts is to be used with a 140 volt constant voltage system The 140 volt system will need to be connected to the 5 watt tap in order for the loudspeaker to produce 20 watts I...

Page 19: ...19 SA 4200 Block Diagram ...

Page 20: ...ohms Frequency Response 0 1dB 1 Watt 10 Hz 35 kHz 80 Hz 30 kHz 0 3dB Full Power 18 Hz 30 kHz 60Hz 15 kHz with 60 Hz low cut engaged THD at rated power 1 kHz 0 05 0 05 IMD SMPTE 0 10 0 10 Damping Factor 140 8 ohms 400 Input CMRR 60 dB typ 60 dB typ Voltage Gain x20 26 dB typ x50 34 dB typ Input Sensitivity 1 42V 4 ohms 1 62V 8 ohms 1 42V Input Impedance 20k ohms balanced 10k ohms unbalanced 20k ohm...

Page 21: ... 1500 BTU hr 8 ohms 2080 BTU hr Controls Front 4 channel input signal attenuators AC switch Rear 2 output mode switches Ch A B bridge switch HPF switches AUTO DELAY bypass switches AUTO DELAY setup switches Indicator LEDs Front 4 Clip 4 Signal 1 Power Rear 3 AUTO DELAY setup Protection Over Temperature DC turn on off transients subsonic incorrect load short circuit Connectors Input Four female XLR...

Page 22: ...ng depth 16 63 42 24 cm behind front rack ears Weight 40 lbs 18 1 kg Power Requirements 100 120 230 240 Vac 50 60 Hz 1200 watts Test Conditions 120Vac 60Hz line input voltage maintained All channels operating unless otherwise noted Due to our efforts for constant improvements features and specifications listed herein are subject to change without notice SA 4200 4 Channel Power Amplifier SPECIFICAT...

Page 23: ...ill pay the return shipping charges How To Get Warranty Service 1 Take the defective item and your sales receipt or other proof of date of purchase to your Authorized Peavey Dealer or Authorized Peavey Service Center OR 2 Ship the defective item prepaid to Peavey Electronics Corporation International Service Center 412 Highway 11 80 East Meridian MS 39301 or Peavey Canada Ltd 95 Shields Court Mark...

Page 24: ...Features and specifications subject to change without notice Peavey Electronics Corporation 711 A Street Meridian MS 39301 601 483 5365 FAX 601 486 1278 www sanctuary series com 80307155 2005 ...

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