Pyle Pro PEXA8000 Owner's manual
- Category
- Audio amplifiers
- Type
- Owner's manual
Pyle Pro PEXA8000 is a professional power amplifier designed to meet the requirements of high-end audio systems. It features advanced technology and a comprehensive range of capabilities that make it suitable for various applications, including live sound reinforcement, studio recording, and home audio systems.
With a power output of 1200W per channel into 4 ohms or 800W per channel into 8 ohms in stereo mode, and 2400W into 8 ohms in bridged mono mode, the PEXA8000 delivers exceptional power and headroom. Its wide frequency response of 10Hz to 50kHz ensures accurate reproduction of audio signals, while its high signal-to-noise ratio of >110dB guarantees pristine sound quality.
Pyle Pro PEXA8000 is a professional power amplifier designed to meet the requirements of high-end audio systems. It features advanced technology and a comprehensive range of capabilities that make it suitable for various applications, including live sound reinforcement, studio recording, and home audio systems.
With a power output of 1200W per channel into 4 ohms or 800W per channel into 8 ohms in stereo mode, and 2400W into 8 ohms in bridged mono mode, the PEXA8000 delivers exceptional power and headroom. Its wide frequency response of 10Hz to 50kHz ensures accurate reproduction of audio signals, while its high signal-to-noise ratio of >110dB guarantees pristine sound quality.
Page 1
Table of Contents
2
2
3
4
5
6
7
8
8
Overview
Important Safety Instructions
Front Panel
Rear Panel
Installation guidelines
Graphic LCD Display Screen Explain
Technical Specifications
Generic Fault And Solutions
Service
PEXA SERIES
Page 8
PEXA SERIES
FAULT PROBLEM SOLUTIONS
No sound
(power
LED off)
AC supply not connected or
switched off
Blown fuse
Check AC connections and switches
Check and replace fuses at plug and IEC
socket. USE ONLY SAME TYPEAND RATING!
NO sound
(Power
LED on)
No input, or input too low
Level controls set too low
Speakers faulty or not connected
Check input is connected, and LED
Increase level controls
Check speakers and speaker connections
Hum or
buzz is
audible
Noise from AC supply is being
picked up in the signal path
There is an earth problem
Use good quality, shielded signal cables and ensure they
are kept away from AC power cables and other AC
powered equipment
Use a mains tester to ensure the AC outlet has a good
earth. Power connected equipment(e.g mixer and amp)
from the same AC outlet where possible.
Distortion
is audible
Excessive signal level somewhere
in signal chain.
Damaged or poor quality
cables
Sound cuts
out or is I
ntermittent
Damaged or poor quality cables or
connectors,connectors not properly
inserted, amp overheating
Use only high quality cables of the appropriate type,
protect them from damage and regularly check
connections.
Use the LED to ensure the AC outlet has a good earth.
Power connected equipment from the same AC outlet
where possible
Check all cables and connections, refer to above
sections regarding distortion and temp warning light
Generic Fault And Solutions
Service
All PYLE PRO products are thoroughly examined and tested before leaving the factory, and if
used correctly will give you many years of excellent service. However, if a problem arises,
proceed as follows:
(A) contact the retailer from whom the unit was purchased and describe the symtoms of the
fault.
(B) if the retailer connot help, return the equipment to the national distributor for your
country. Use the original packaging to protect the product from damage. Include a note with
the equipment stating your name and address, details of the problems, date code and date
and place of purchase.
Technical Specifications
Model PEXA
3000
4Ohms
8Ohms
8Ohms
Stereo Mode
(Both channels driven)
1KHz
Bridge Mono Mode
1KHz
250W X 2
150W X 2
500W
500W X 2
350W X 2
1000W
FREQUENCY RESPONSE 10 Hz~50 Khz -1.5 dB
INPUT IMPEDANCE 10k Unbalanced/ 20k Balanced
ÙÙ
S/N ratio
(full power at 4Ù) >90dB >100dB
CROSSTALK
(full power at 4Ù) >80dB >80dB
DAMPING FACTOR
(1kHz at 4Ù) >350 >350
THD+N
(rated power, 4 /1kHz
Ù) <0.01% <0.01%
SLEW RATE >65V/us >65V/us
PROTECTIONS
Full short circuit, open circuit, thermal, ultrasonic, and RF protection
stable into reactive or mismatched loads, turn ON/OFF muting, tried
crowbar,Limter,DC protection,soft start
CONTROLS Front: AC switch, Input level control for each channel,Load selector
Rear: Mode selector switch, Ground selector,LIMITER ON/OFF switch,
COOLING Variable speed DC fans
IDLE CURRENT DRAW (120V) 0.5A 0.5A
POWER SUPPLY Available for 110-120 V or 220~240 V AC, 50/60 Hz
DIMENSIONS 482(W)X350(D)X88(H)mm
GROSS WEIGHT 10.5kg 13.5kg
NET WEIGHT 10kg 13kg
LED INDICATORS
(per channel) Protect,Clip,Signal
Page 7
Overview
ImportantSafetyInstructions
WARNING-usingelectric product,basic precautionsshould alwaysbefollowed, including the
following:
(1)Readall the Important Safety Instructions beforeusingthe product
(2)Toreducethe risk of injury,close supervision is necessary whentheproduct is used near
children.
(3)Donot use this product near water-forexample,near a bathtub, washbowl, kitchen sink,in a
wetbasement or near a swimming poolorthe like.
(4)Thisproduct is capable of producing soundlevelsthat could cause permanent hearing loss.
DONOT operate for a long period oftimeat high volume or atalevel that is uncomfortable. If you
experienceany hearing loss or ringing intheears, you should consult anaudiologist.
(5)Thisproduct should be located so thatitslocation or position does notinterferewith its proper
ventilation.
(6)Thisproduct should be located away fromheatsources such as radiators, heatregistersor
otherproducts that produce heat.
(7)Theproduct should be connected to apowersupply only of the typedescribedon the
operatinginstructions or as marked on theproduct.Alwaysensure that a good quality mainslead
isused applicable
foryour country.
(8)Ifthe mains fuse need be replaced,DISCONNECTTHE PRODUCT FROMTHE MAINS
SUPPLY.Thefuse is above the mains IECsocket, and must be replaced witha fuse of the type and
ratingstated on the rear panel. Ifareplacement fuse fails immediately,contact your local service
agent.DO NOTreplacewith a higher value.
(9)Thepower-supply cord of the product shouldbeunplugged from the outlet whenleftunused
fora long period of time. Whenunpluggingthe power-supply cord, DO NOT pull on thecord,but
graspit is the plug.
(10)Ensurethe mains isolation switch is readilyaccessiblewhen the product is inuse.
(11) Care should betaken so that objects do notfalland liquids are not spilledintothe enclosure
throughopenings.
(12) Theproduct should be serviced by qualifiedservicepersonnel when:
A.The power-supply cordor the plug has been damaged;or
B.Object have fallen, or liquid hasbeenspilled into the product; or
C.The product hasbeen exposed to rain; or
D.The product doesnot appear to operate normally orexhibitsa marked change in
performance;or
E.The product hasbeen dropped or the enclosure damaged.
(13) DONOTattempt toservice the product beyond that describedinthe user maintenance
instructions.Allotherservicing should be referred to qualifiedservice personnel.
(14) WARNING-DONOTplaceobjects on the product s power cord or placeitin a position
whereanyone could trip over,walk on or rollanything over it. DO NOT allow the producttorest on
orto be installed over power cords ofanytype. Improper installations of thistypecreate the
possibilityof fire hazardand/or personal injury.
PEXAseries amplifiersareour higher class amplifiers which meet the requirements from
high end field.Unique diagram and SMTtechnologymake the amplifiers have superior sound
qualityand incredible reliability.
PEXAseriesamplifierhas full-protect function, including:
.Soft start function to prevent wave-shockatswitch power on
.Delay function for preventing shock atswitchpower on
.DC protection
.Over-electric current protection
.Cut-wave protection
.Over heat protection
Page 2
PEXA SERIES PEXA SERIES
PEXA
5000
1200W X 2
800W X 2
2400W
>110dB
>80dB
>600
<0.01%
>65V/us
1.4A
26.5kg
26kg
PEXA
8000
482(W)X410(D)X88(H)mm
Second Screen
Third Screen
Fourth Screen
Andthen display:
displaysLeft and Right channel
outputsPOWR(0W), displays Left and
Rightchannel CLIP(ON/OFF),
displaysLeft and Right channel
PROT(ON/OFF),displaysLeft and
Rightchannel heat sinkTEMP(oC)
anddisplays left and right channel
outputlevel meters, you can view the
valuesof the output signal and view
howmany power output.
Ifstereo/bridge switch or limiter switch
orpotentiometer action, and then you
canview this screen, you can view
stereo/bridgeworking mode and
limiterswitch set position ,and shows
leftand right channel output
attenuationhistogram, and read the
valueof the output attenuation,output
attenuationrange from - to 0dB.After
afew seconds return to second screen.
Press4/8 tact switch ,you can view
thisscreen, after a few seconds return
tosecond screen.If you select 8 the
outputpower value is 8 ,else show
outputpower is 4 .
Page 6
Graphic LCD Display Screen Explain
First Screen
OpeningScreen: On power-up,the
LCDControl Screen displays the
"PYLEPRO...".After a few
seconds,thenthe "Second Interface"-
WorkingStatus screen appears.
PEXA SERIES
PYLE PRO
Front Panel
1
9
2 3 6
10
4 5 7 8
1.Rack Mounting Ears
2.Fan Outlet Grill
3.Channel Level attenuators
4.Protect LEDS
5.CLIP LEDS:
6.Graphic LCD display:
7.LEVEL LEDS
8.Power switch
9.Optional Rack Handles.
Two front-panel mounting holes are provided on each mounting ear.
Series amplifiers are cooled by fan.Cool air flows over the heat sink and exhausts
through the front grill.Make sure this outlet remains clear to allow unrestricted airflow.
Two input attenuators adjust level for their respective amplifier channels. In Bridged Mono
modes, the channel A attenuator controls overall signal level (see rear panel mode switch
description).
This Red LED indicates that the amp channel is in Protect mode.During Power up, the amp
briefly goes into protect mode in order to prevent any loud speakers from being fed the
speakers. After a few seconds the amp comes out of protect mode and is ready for normal
operation. If the amp stays in Protect mode, this indicates that there may be a problem internal
to the amp. If the amp goes into Protect mode during operation this indicates that either a
problem has developed internal to the amp or the amp is being over-stressed and needs to
cool down. After a Protect condition, the amp must be reset by cycling the power off and then
on again in order to continue using it.
When the output power exceeds the safe working range of the amplifier,the CLIP LED are lit.
LCD display as: Company name/logo, detailed power at 2ohm/4ohm/8ohm,Limiter,Working
mode, Protection(L/R), Level(L/R), Temperature(L/R heatsink), Clip(L/R), Gain(L/R),Detail
wiring diagram you can refer to .
SIGNAL LEDS inintensity inresponse to signals up to -30dB.-20dB to -10dB LEDS indicate
output levels.
This switch turns the amp on and off.
Availablefrom your authorizedCrestAudiosupplier.
PEXA
Graphic LCD Display Screen Explain
Page 3
PEXA SERIES
10.LoadedSelect.
Press4/8 tact switch ,you can view thisscreen,after a few seconds returntosecond screen.If
youselect 8 theoutput power valueis 8 ,else show output power is4 .
11.XLR BalancedInput Connectors
13.Output Mode Selector Switch
EachChannel features balanced XLR and 1/4"jacksockets wired in parallel. The Balanced
signalsare less sensitive to hum noisegeneratedbyAC.
Thestereo power amplifier presents two operatingmodes:
-Stereo Mode
Inthis mode, channelAand channel B operate independently(asa normal stereo amplifier). The
ChannelAinputsignal willbe output from the channelAoutput connector,andchannel B input
signalwill be output from the channelBoutput connector.
-Parallel Mono Mode
Inthis mode, channelAinput signal will be outputfromthe output connectors of both channels.
12.LIMITERSwitch
Ifa very high level signal isdriveninto the amplifier,the output signal will"CLIP",that is the peaks
ofthe waveform will be flattered. The Clip Limitercircuitautomatically reduces the gain to prevent
theoverdrive.Youcan switch the Clip Limiter circuitONand OFF via the (11) switch ontherear
panelof your LAseries. If you use fullrange speakers, the Clip Limiter circuitwillreduce the high
frequencydistortion and it will also protectthehigh frequency drivers. However,some Users
preferto switch the Limiter OFF togetmore punch from Kick Drumsandother sounds in the low
frequenciesarea.
PEXA3000,PEXA5000 Rear Panel
Page 5Page 4
18
11 1512 1413
17
16
PEXA SERIESPEXA SERIES
-Bridged Mode
Inthis mode, channelAinput signal will be outputfromthe bridge-mono output Connector.
Thisfan secures enough cooling for yourPEXA3000,PEXA5000 amplifier.
SPEAKONconnectors are specifically designed to connecthighpower speakers.The correct
polarityis secured automatically,theyprevent shock hazard and theylock-insecurely.
Pleasemake sure to respect the speakerpolaritywhen using binding post.
Caution:turnoffthe unitbefore connecting an audio signal tothebinding post to avoid anyelectric
shock!
Pleasemake sure that your local voltagematchesthe voltage indicated on theunit.
SignalGround lift switch is used toliftthe balanced input connectors'ground/shield fromthe
amplifier'sground. When the signal ground lifted,thesound source disconnects from the
amplifier'sground preventing ground loops which cangeneratehum and noise. See thesignal
groundlift switch instructions for more detail.
Thepower amplifier must be connected onlywiththe attached three-wire safety powercordwith
protectiveconductor (nonfused earthed conductor).
Thisamplifier is made for use withtemains voltage labelled on thebackof the amplifier only.
Checkthe label on the back panelofthe amplifier for the appropriatevoltage.Make sure the
voltageof your mains outlet is correct.The power voltageisfactory set as labelled on theback
paneland cannot be change afterwards. Damagecausedby connecting the amplifier to
ImproperACvoltagevoids the warranty.
Allowsselection of 0.775V, 1.0Vor1.40V sensitivity.
Thisfan secures enough cooling for yourPEXA8000 amplifier.The airflow isfront-to-rear.Thefan
speedis electronically regulated depending on thetemperatureof the power devices.
*DOnot use these amplifiers in damporhigh humidity environments. Do notuseoutdoors or
anywherewhere liquids could fall or splashontothe amplifier.
*Ensurethe amp is adequately ventilated, withfreeairflow to the front andrearpanels. Keep
awayfrom other heat sources. If theampsare mounted in a rackwithother amps, ensure there is
adequatecool air flow front and rear.Note thatair is drawn in through theback panel, and
exhaustedthrough the front panel.
*Nevercover the amplifiers, as they mayoverheat.
*PYLEPRO power amplifiers are designed tofitstandard 19U racks, with a2Uheight and 17
depth.Werecommend theuse of rear rack supports, especiallyifthe rack is to bemobile.Use
shakeproof washers or thread lock adhesivetoprevent mounting bolts becoming looseintransit.
*Ensurethat theAC power supply is correct foryour amplifier.TherequiredAC supplyisstated
onthe rear panel next to theACpowerinput.
*Ensurethat you use the correct typeofmains lead for your equipmentandcountry.This must be
freefrom damage and easily accessible duringuse.
14.CoolingFan Window
15.SPEAKONAndBINDING POST Outputs
16.VoltageSelector
17.Signal Ground LiftSwitch.
18.PowerConnection
19.SENSITIVITYSelector Switch
20.CoolingFan
Installationguidelines
20
12 11 17 1913
18 15
PEXA8000 Rear Panel
-
1
-
2
-
3
-
4
-
5
Pyle Pro PEXA8000 Owner's manual
- Category
- Audio amplifiers
- Type
- Owner's manual
Pyle Pro PEXA8000 is a professional power amplifier designed to meet the requirements of high-end audio systems. It features advanced technology and a comprehensive range of capabilities that make it suitable for various applications, including live sound reinforcement, studio recording, and home audio systems.
With a power output of 1200W per channel into 4 ohms or 800W per channel into 8 ohms in stereo mode, and 2400W into 8 ohms in bridged mono mode, the PEXA8000 delivers exceptional power and headroom. Its wide frequency response of 10Hz to 50kHz ensures accurate reproduction of audio signals, while its high signal-to-noise ratio of >110dB guarantees pristine sound quality.
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