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CAUTION: TO REDUCE THE RISK OF ELECTRIC 

SHOCK, DO NOT REMOVE THE COVER.  

THERE ARE NO USER SERVICEABLE PARTS 

INSIDE.  REFER ALL SERVICE TO YOUR 

AUTHORIZED AMERICAN AUDIO

®

 deALer.

CaUtIon

Do not open -

risk of electric shock

FOR  OPTIMUM  PERFORMANCE  AND 
RELIABILITY  DO  NOT  PRESENT  THE 
AMPLIFIER  WITH  A  SPEAKER  LOAD 
OF  LESS  THAN  2  OHMS  OR  ANY 
COMBINATION  OF  SPEAKERS  THAT 
TOGETHER ARE LESS THAN 2 OHMS!
USING  ONE  SPEAKER,  IT  MUST  BE 
RATED AT 4 OR MORE OHMS.
USING  TWO  SPEAKERS,  THEY  MUST 
RATED EACH  AT 4 OR MORE OHMS.
USING  THREE  SPEAKERS,  THEY 
MUST BE RATED EACH AT 8 OR MORE 
OHMS.

The lightning flash with an arrow triangular 
symbol is intended to alert the user to the 
presence of non insulated “dangerous volt-
age”  within  the  products  enclosure,  and 
may  be  of  sufficient  magnitude  to  consti-
tute a risk of electric shock.

The exclamation point triangular symbol is 

intended  to  alert  the  user  to  the  presence 
of  important  operating  and  maintenance 
(servicing)  instructions  in  the  user  manual 
accompanying the amplifier.

P O U R   A S S U R E R   L A   F I A B I L E T E   E T 
OBTENIT  UNE  PERFORMANCE  OPTIMALE,  
NESOUMETTE  JAMAIS  L’AMPLIFICATEUR 
A  UNE  CHARGE  D’IMPEDANCE  TOTALE 
INFERIEURE  A  2  OHMS,  NI  AVEC  UN  H.P.  NI 
EN COMBINAISON DES H.P.

AVEC  UN  H.P.,  IL  FAUT  UNE  CHARGE 
D’IMPEDANCE MINIMUM DE 2 OHMS. 

AVEC  DEUX  H.P.,  FAUT  POUR  CHAOUN  UNE 
CHARGE  D’IMPEDANCE  MINIMUM  DE  4 
OHMS.

AVEC TROIS H.P., FAUT POUR CHAOUN UNE 
CHURGE  D’IMPEDANCE  MINIMUM  DE  8 
OHMS.

ContentS:

Safety  precautions.......................................................................................................................................................................................4
introduction...............................................................................................................................................................................................4

Front  Panels.................................................................................................................................................................................................5

rear  panels..................................................................................................................................................................................................7
inputs...........................................................................................................................................................................................................9
outputs............................................................................................................................................................................................................9
Speakon output connector Assembly.......................................................................................................................................................11
operating modes........................................................................................................................................................................................12
protection circuitry
 

Limiter.................................................................................................................................................................................................13

 

Short circuit protection...................................................................................................................................................................13

 

Thermal  protection..........................................................................................................................................................................14

Amplifier Features.......................................................................................................................................................................................14

Speaker Setup............................................................................................................................................................................................15

Warranty.................................................................................................................................................................................................16
Specifications...............................................................................................................................................................................................17

©American Audio®  -  www.americanaudio.com  -  vLp Series™ power Amplifier user manual  page 3

Summary of Contents for VLP 300

Page 1: ...User Instructions American Audio 4295 Charter Street Los Angeles Ca 90058 Rev 8 08 Professional Power Amplifier VLP Series ...

Page 2: ...upplémentaries situés dans le guide Este símbolo tiene el propósito de alertar al usuario de la presencia de voltaje peligroso que no tiene aislamiento dentro de la caja del producto que puede tener una magnitud suficiente como para constituir riesgo de corrientazo Este símbolo tiene el propósito de alertar al usuario de la presencia de instrucciones importantes sobre la operación y mantenimiento ...

Page 3: ...electric shock The exclamation point triangular symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions in the user manual accompanying the amplifier POUR ASSURER L A FIABILE TE E T OBTENIT UNE PERFORMANCE OPTIMALE NESOUMETTE JAMAIS L AMPLIFICATEUR A UNE CHARGE D IMPEDANCE TOTALE INFERIEURE A 2 OHMS NI AVEC UN H P NI EN COMBINAISON DES H P...

Page 4: ...ratulations and thank you for purchasing this American Audio VLP series amplifier This amplifier is a representation of American Audio s continuing commitment to produce the best and highest quality products all at an affordable price Please read and understand this manual completely before attempting to operate your new amplifier This booklet contains important information concerning the proper a...

Page 5: ...Function Indicators These indicators detail the operating mode of the amplifier These LEDs will also function as a power indicator 6 Power Switch This switch is used to control the units main power 7 Channel 2 Signal Indicators These green and yellow LED s will glow according to the average signal output 8 Channel 2 Clip Indicator This red LED will begin to flash when channel one begins to overloa...

Page 6: ...ng to the average signal output 15 Power Indicators These LEDs function as a power indicator 16 Power Switch This switch is used to control the units main power 17 Channel 2 Signal Indicators These green and yellow LED s will glow according to the average signal output 18 Channel 2 Clip Indicator This red LED will begin to flash when channel one begins to overload clip At this point channel one wi...

Page 7: ...MA protective fuse for the VLP 1500 Never defeat the fuse the fuse is designed to protect the electronics in the event of severe power fluctuations Always be sure to replace the fuse with an exact match as the one being replaced unless otherwise told to do so by an authorized American Au dio service technician 30 Channel 1 Output Jack 5 way Binding Post Connect to your speaker s input jack Red is ...

Page 8: ...45 Ground On Off Switch If hear a hum or any interference put the Ground switch in the On postion 46 Channel 2 Output Jack 5 way Binding Post Connect to your speaker s input jack Red is positive signal and Black is negative signal 47 Channel 1 Output Jack 5 way Binding Post Connect to your speaker s input jack Red is positive signal and Black is negative signal 48 Channel 1 Speakon Output Optional...

Page 9: ...ower Amplifier User Manual Page 9 Set Up INPUTS The VLP Series amplifier allows you to use two types of input connector per a channel a XLR jack for balanced connections and a 1 4 female jack that will accept balanced and unbalanced connectors Use these connections to connect the output signal from a mixer cross over or EQ to your VLP Series amplifier A balanced connection is recommended for cable...

Page 10: ...advantageous to most users that want to reconfigure their systems or quickly change out an amp The Neutrik Speakon connector provides the most convenient solution to this problem eliminating the need for spade plugs or bare wire end cables Major speaker manufacturers have been using Speakon connectors on their products for years so chances are you are ready to use the Speakon connection With Speak...

Page 11: ...ng sure that the large notch on the outer edge of the insert lines up with the large groove on the inside of the connector housing The insert should slide easily through the housing and out the other side until it extends approximately 3 4 inch from the end of the housing 6 Slide the cable tension clip D along the cable and insert into the housing A making sure that the large notch lines up with t...

Page 12: ... across the red output binding post on the rear of your amplifier Turn your equipment on your amplifier should always be the last item you turn on Apply an input source signal to your amplifier Turn channel two gain up Use the channel one gain to regulate your amplifier output Bridged Mono Mode Caution The voltage across the output terminals of a bridged VLP Series amplifier may equal or exceed 10...

Page 13: ...ill allow brief clipping of peaks and will only activate when continuous hard clipping occurs During excessive clipping the limiter will reduce the audio signal enough to minimize the amount of clipping When the input signal decreases enough that clipping ends the limiter will deactivate and cease its gain reduction The limiter has a fixed threshold and can not be adjusted Safe Power Levels at Dif...

Page 14: ...n controls are located on the front panel and are calibrated in 2dB of attenuation from full gain It is best to adjust the amplifier so no hissing is heard from speakers with no music being played this will ensure the lowest possible distortion during normal operation AMPLIFIER FEATURES THRU Thru will allow the user to daisy chain one amplifiers signal input into another amplifier Plug the signal ...

Page 15: ...PICAL Mono bridge SET UP SPEAKERS 8 OHM MINIMUM Typical Stereo Output Connections SPEAKERS 4 OHM MINIMUM SPEAKERS 4 OHM MINIMUM Use Channel 1 Inputs Only XLR or 1 4 Jacks X Use Speakon or Banana Jacks Use the two positive binding post termainals red for speaker output Figure 16 Figure 15 ...

Page 16: ...been repaired or serviced by anyone other than the American Audio factory unless prior written authorization was issued to purchaser by American Audio if the product is damaged because not properly maintained as set forth in the instruction manual D This is not a service contract and this warranty does not include maintenance cleaning or periodic check up During the period specified above American...

Page 17: ...dge Mode Mono 300W RMS 8 Ohms 600W RMS 8 Ohms 1500W RMS 8 Ohms 1kHz 1 THD 1kHz 1 THD 1kHz 1 THD Total Harmonic Less Then 0 1 20Hz 20kHZ Less Then 0 1 20Hz 20kHZ Less Then 0 1 20Hz 20kHZ Distortion THD 8 Ohms 8 Ohms 8 Ohms Frequency 01db rated output power 01db rated output power 01db rated output power Response 8 Ohms 20Hz 20KHz 8 Ohms 20Hz 20KHz 8 Ohms 20Hz 20KHz Slew Rate 15V Per usec 15V Per us...

Page 18: ...ican Audio is part of the American DJ Group of Companies American DJ World Headquarters 4295 Charter Street Los Angeles CA 90058 USA Tel 323 582 2650 Fax 323 582 2610 web www americanaudio com e mail info americanaudio com ...

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