VX1000 - Podium Pro
Contents
1. SWITCH Normally amplifier circuit ground is connected to chassis ground It is recommended that you leave this switch in the GND position at all times In some rare cases it may be beneficial to isolate or FLOAT the amplifier circuit grounds from the chassis ground To do this set this switch to the FLOAT position CHANNEL A SPEAKON OUTPUT See USING SPEAKON CONNECTORS on page 4 for details CHANNEL B SPEAKON OUTPUT See USING SPEAKON CONNECTORS on page 4 for details BRIDGE MODE SPEAKON OUTPUT See USING SPEAKON CONNECTORS on page 4 for details CHANNEL A 5 WAY BINDING POST OUTPUT RED binding post speaker BLACK binding post speaker See SPEAKER WIRING on page 4 for detailed information CHANNEL B 5 WAY BINDING POST OUTPUT RED binding post speaker BLACK binding post speaker See SPEAKER WIRING on page 4 for detailed information SPECIFICATIONS VX1000 VX2000 Class AB Peak power 40 2x500W 2x1000W Peak power 80 2x250W 2x500W Peak power BRIDGED 40 1000W 2000W Balanced input sensitivity 700mV Unbalanced input sensitivity 350mV Signal to noise ratio 296dB Frequency response 15Hz 25kHz Distortion THD N lt 0 5 Balanced input impedance 20kO Unbalanced input impedance 10kO AC power requirement 115V 60Hz or 230V 50Hz AC Fuse T10A H250V T5A H250V NOTES SPEAKER WIRING To g2. NOTE Both channel A and B outputs are non inverting If the input signal goes positive the output signal also goes positive Figure C BRIDGE MODE BRIDGE MODE In BRIDGE MODE channel A and B amplify the signal applied to the channel A input Unlike MONO MODE the channel B output is inverted See Figure C below BRIDGE MODE operation has the following characteristics e The signal applied to the channel A input is amplified by channel A and B o The output of channel A is non inverted If the input signal goes positive the output signal also goes positive o The output of channel B is inverted If the input signal goes positive the output signal goes negative e Channel A and B are now operating as one channel The channel A volume control adjusts the output level of both A and B together o ThechannelB volume control is disabled o ThechannelB input is disabled e Theloudspeaker is not connected to ground o The speaker lead is connected to channel A RED connector o The speaker lead is connected to channel B RED connector See page 3 INPUT OUTPUT CONNECTIONS 5 SELECT THE BEST MODE FOR YOUR APPLICATION STEREO MODE For most applications STEREO MODE is the best choice This gives you two independent high power channels of amplification STEREO MODE is your best choice for the following conditions You have a stereo source and MONO MODE There are a number of circumstance
3. cord is an essential safety feature Never defeat the safety ground on the AC cord e Becertain all equipment is OFF before making or breaking connections e Refer all service needs to qualified personnel There are no user serviceable components inside INSTALLATION The VX amplifier is designed for either shelf or equipment rack installations If you plan to place the amplifier into an equipment rack with other pieces of equipment you will need to remove the four rubber feet They are easily removed with a 2 Phillips screwdriver If the equipment rack contains numerous amplifiers you must ensure adequate ventilation or overheating may result 10 FRONT PANEL CONTROLS a Podium X Pro Audio mes are os EP Y P e vx AC POWER SWITCH POWER LED This blue LED lights whenever the amplifier is on FAN LED This blue LED lights whenever the cooling fan is on MODE SELECT This three position switch selects one of the three available operating modes A summary is provided here For a detailed explanation of all MODES see STEREO MONO AND BRIDGE MODES EXPLAINED on page 6 e STEREO In this position the amplifier operates as a normal two channel amplifier Channel A LEFT channel B RIGHT e MONO In this position the signal applied to the channel A input will be present on both A and B outputs Each channel s volume control VOL will continue to operate independently e BRIDGE In BRIDGE mod
4. Podium Pro Audio Model VX1000 amp VX2000 Professional Amplifier User s Manual PER INTRODUCTION FEATURES PRECAUTIONS INSTALLATION FRONT PANEL CONTROLS INPUT OUTPUT CONNECTIONS STEREO MONO AND BRIDGE MODES EXPLAINED SELECT THE BEST MODE FOR YOUR APPLICATION 6 SPEAKER WIRING USING SPEAKON CONNECTORS SPECIFICATIONS Podium Pro Audio Tus Audio at its highest level http www podiumproaudio com 2010 0 co 00 00 A O1 amp O S IO IO TO INTRODUCTION The Podium Pro Audio VX1000 amp VX2000 are high performance two channel power amplifiers intended for professional sound reinforcement and public address applications Sophisticated protection circuitry is employed to ensure that your audience and speakers are fully protected from all typical fault conditions Used in accordance with the information provided in this manual this product will give years of trouble free use FEATURES e DC protection disconnects speakers if a DC fault is detected e Over temperature protection shuts down amplifier if overheated e Output short circuit protection e Cooling fan varies speed in response to operating conditions e SPEAKON speaker connectors e Rugged steel construction PRECAUTIONS e Do not use where the amplifier may get wet Never place the amplifier near any heat source Do not obstruct the air vents Doing so may cause the amplifier to overheat e The third round pin on the AC
5. T CONNECTIONS It is essential that all input and output connections are wired correctly and are of high quality We recommend using only pre fabricated cables which adhere to the wiring conventions detailed here NOTE Although each input channel has three connector types you must only use one at a time Use an audio mixing console if you want to combine multiple sources B BRIDGE E 0 0 eo wo O99 o VOLTAGE SELECT f Ha j ACTISVS0Hz T10A AC230V 50Hz TSA mes UNE A BRIDGES Dy e ou SN OO xLJ o cuss D cHas LINE A XLR INPUT Balanced PIN 1 ground PIN 2 PIN 3 Unbalanced PIN 1 ground PIN 2 PIN 3 ground Q LINE B XLR INPUT Balanced PIN 1 ground PIN 2 PIN 3 Unbalanced PIN 1 ground PIN 2 PIN 3 ground LINE A PHONE JACK INPUT Balanced TIP RING SLEEVE ground Unbalanced TIP RING ground SLEEVE ground LINE B PHONE JACK INPUT Balanced TIP RING SLEEVE ground Unbalanced TIP RING ground SLEEVE ground STEREO CD INPUT Unbalanced phono RCA jacks WHITE LEFT IN CHANNEL A OUT RED RIGHT IN CHANNEL B OUT The second pair of phono jacks are provided as a convenient pass through of the input signal NOTE this input can be used with any unbalanced analog line level audio source This includes tape players iPods MP3 players and computers INPUT GROUND FLOAT
6. e the amplifier is configured to operate as a single high power channel Connect your source to the channel A input Connect your speaker to the center Speakon jack or use the five way binding posts The RED channel A binding post speaker The RED channel B binding post speaker Use the CHANNEL A VOL control to adjust amplifier volume amp CHANNEL A VOL LEFT CHANNEL This rotary control adjusts the volume of channel A only The control is detented allowing a precise volume match between channel A and B CHANNEL A LEFT SIGNAL LED This green LED lights whenever signal is present on channel A CHANNEL A LEFT CLIP LED This yellow LED lights whenever channel A is driven above its maximum output voltage CHANNEL A PROTECT LED This red LED lights whenever channel A encounters an excessive load i e shorted speaker cable When this occurs you must correct the fault CHANNEL B VOL Right Channel This rotary control adjusts the volume of channel B only The control is detented allowing a precise volume match between channel A and B CHANNEL B SIGNAL LED This green LED lights whenever signal is present on channel B CHANNEL B CLIP LED This yellow LED lights whenever channel B is driven above its maximum output voltage CHANNEL B PROTECT LED This red LED lights whenever channel B encounters an excessive load i e shorted speaker cable When this occurs you must correct the fault INPUT OUTPU
7. et the best results it is important to use the correct gauge wire Use the following table to determine the appropriate wire gauge for your installation When in doubt go to a larger gauge Were mamm isnon Mesut Lora 18 10 feet 5 feet Ie 20 feet 10 feet 14 35 feet 18 feet 12 60 feet 30 feet 10 100 feet 50 feet USING SPEAKON CONNECTORS Podium Pro Audio recommends using Speakon style connectors for speaker connections There are numerous reasons why this is a good idea e Regulatory requirements in Europe have outlawed the use of dual banana plugs for high powered amplifiers and it is likely that similar regulatory controls will eventually appear worldwide e Connectors cannot be reversed eliminating accidental speaker phase reversal e Connectors lock onto the plug and cannot be accidentally disconnected e Connectors are completely shock proof e Speakon connectors meets all safety regulations currently in effect Rear View Side View Speakon NL4FC Connector Wiring Figure 1 The VX Series amplifiers use four pin Speakon connectors Neutrik model NL4FC or equivalent See Figure 1 for wiring details S If your speakers also have Speakon connectors do not assume they use the same wiring convention Check with the manufacturer of your speakers for more information 8 STEREO MONO AND BRIDGE MODES EXPLAINED To fully appreciate the potential benefits of operating the amplifier in br
8. idge mode it is helpful to briefly examine all three modes of operation STEREO MODE Normally the amplifier is operated in STEREO MODE In STEREO MODE the two channels of amplification are independent of one another See Figure A below In STEREO MODE the amplifier exhibits the following characteristics e Signals applied to the channel A left input are amplified only by channel A e Signals applied to the channel B right input are amplified only by channel B Channel A has no influence on channel B and vice versa e NOTE Both channel A and B outputs are non inverting If the input signal goes positive the output signal also goes positive Figure A Figure B Channel A left Channel input 1 A left j output Channel B right Channel Channel input 1 B right 1 B output output STEREO MODE MONO MODE MONO MODE When the amplifier is operated in MONO MODE signals applied to the channel A input are amplified by channel A and B See Figure B above Channel output In MONO MODE the amplifier exhibits the following characteristics e Signals applied to the channel A input are amplified by channel A and B e Thechannel B input is disabled e Effectively you now have two independent amplifiers sharing the same input channel e Although both A and B output channels will be identical each channels volume level can be independently adjusted See page 6 FRONT PANEL CONTROLS e
9. s where MONO MODE is the Will be connecting one 40 or 8O speaker to each output channel Will be connecting two 8Q speakers in parallel to each output channel TYPICAL STEREO MODE OPERATION best option You have a single channel source or two amplifiers for a stereo source and A very large venue where speaker wire lengths are excessive MONO MODE allows amplifier placement much closer to the speakers Sound reinforcement Driving a cluster of several speakers MONO MODE allows a single amplifier to drive up to four 80 speakers or two 4O speakers TYPICAL MONO MODE OPERATION BRIDGE MODE When the highest possible power output is desired BRIDGE MODE is the best choice This is an excellent way to power a large subwoofer You have a single channel source or two amplifiers for a stereo source and e Will be connecting one speaker minimum impedance 4Q e Will be connecting one or two 8Q speakers in parallel ELECTRONIC CROSSOVER SUBWOOFER TYPICAL BRIDGE MODE OPERATION
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