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 Used Crown DC 300A Series II 2 Stereo Power Amplifier DC300A 300 Amp Whoa Nelly $234.00 Time Remaining: 1h 4m Buy It Now for only: $389.00 |
 PYLE PRO PT3300 3000W DJ Power Stereo LED Amplifier $122.95 Time Remaining: 23d 11h 37m Buy It Now for only: $122.95 |
 Used Crown D 150A Series II 2 Stereo Power Amplifier D150A 150 Amp Work Horse $176.99 Time Remaining: 1h 3m Buy It Now for only: $248.00 |
 GLI Pro 800S 3800 Watt Rack Mount Pro Audio DJ Stereo Power Amplifier + USB SD $149.95 Time Remaining: 15d 12h 30m Buy It Now for only: $149.95 |
 CARVIN DCM1000 POWER AMP AMPLIFIER NO RESERVE $152.51 (28 Bids) Time Remaining: 1h 16m |
 Yamaha P2050 Professional Series 2 channel power amplifier Excellent condition $125.00 (1 Bid) Time Remaining: 46m |
 Technical Pro LZ2200 2200 Watt 2 Channel Amplifier 2U Rackmount Karaoke DJ Amp $127.95 Time Remaining: 10d 15h 1m Buy It Now for only: $127.95 |
 CROWN MACRO TECH MA 2402 WITH IQPIP USP3 ULTRA SERIES Module $799.00 Time Remaining: 42m |
 GLI Pro 600S 2600 Watt Rack Mount DJ Stereo Power Amplifier Amp + USB SD Inputs $129.95 Time Remaining: 28d 15h 16m Buy It Now for only: $129.95 |
 Ashly MFA 8000 Nice MFA8000 Amplifier AMP Big Power Serial 580 2356 $599.00 Time Remaining: 44m Buy It Now for only: $749.99 |
 CROWN CE2000 Power Amplifier $160.00 (4 Bids) Time Remaining: 17h 18m |
 Behringer EP4000 EUROPOWER Rackmount Power Amp $312.00 Time Remaining: 26d 19h 41m Buy It Now for only: $312.00 |
 Crown XLS 1000 Amplifier $192.50 (22 Bids) Time Remaining: 3h 41m |
 Gemsound PRO480 1300 Watt 2 Channel DJ Power Amplifier $104.95 Time Remaining: 29d 17h 11m Buy It Now for only: $104.95 |
 Peavey DECA 528 Single Space Rack Mount 500 Watt Digital Audio Power Amplifer $130.00 Time Remaining: 2h 24m Buy It Now for only: $150.00 |
 MC2 E25 Audio amplifier $1,250.00 Time Remaining: 3h 48m |
 RB GEMINI XGA 3000 3000W Power Amplifier DJ Stereo Amp $149.99 Time Remaining: 24d 18h 3m Buy It Now for only: $149.99 |
 CROWN D45 POWER AMPLIFIER $100.00 (1 Bid) Time Remaining: 12h 8m |
 Technical Pro AX2000 2 Channel 2000 Watt Professional Power Amplifier Rackmount $114.95 Time Remaining: 7d 15h 31m Buy It Now for only: $114.95 |
 NEVER USED MANUFACTURER REFURBISHED PYLE PRO 3000 WATT AM FM RECIVER RC MRE $125.00 Time Remaining: 1h 31m Buy It Now for only: $145.99 |
 Vtg Electar Century AmplifierEpiphoneInc 40100 110 watts w Jensen Speaker $399.99 Time Remaining: 1h 31m |
 Gemini XGA 3000 3000 Watt 2 Channel Amplifier DJ Power Amp With Fan XGA3000 $168.00 Time Remaining: 23d 22h 41m Buy It Now for only: $168.00 |
 Mackie M1400i Pro 2 Channel Audio Power Amplifier M1400i 1400 Watt FR AMP Rack $250.00 Time Remaining: 2h 36m Buy It Now for only: $295.00 |
 LAB GRUPPEN FP 6400 POWER AMP IT WORK ON 100 120 VOL 50 60Hz THANK U $1,375.00 (9 Bids) Time Remaining: 7h 39m |
 QSC GX7 2 Channel 1000 watt Stereo Power Amplifier $488.00 Time Remaining: 27d 15h 31m Buy It Now for only: $488.00 |
 Crown XTi 1000 amplifier Very Clean $260.00 (4 Bids) Time Remaining: 15h 3m |
 Crown XTi 4002 XTI4002 Stereo Power Amplifier AMP $719.00 Time Remaining: 9d 17h 12m Buy It Now for only: $719.00 |
 CROWN CTS 600 POWER AMPLIFIER BRAND NEW CONDITION OWNERS MANUAL COMMERCIAL $103.50 (11 Bids) Time Remaining: 21h 5m |
 Crown Macro Tech 2400 Power Amplifier $575.00 (31 Bids) Time Remaining: 19h 59m |
 GEM SOUND 1300W 2 CH DJ AMPLIFIER+2 12 PA SPEAKERS $264.95 Time Remaining: 29d 17h 30m Buy It Now for only: $264.95 |
 QSC MODEL 1400 POWER AMPLIFIER GREAT CONDITION AND WORKS PERFECT $106.75 (18 Bids) Time Remaining: 20h 58m |
 Behringer Europower EP2500 Stereo Mono Amplifier 2x1200 Watt Power Amp Rackmount $219.99 Time Remaining: 29d 14h 53m Buy It Now for only: $219.99 |
 Behringer Europower EP1500 Professional Sound Reinforcement Amplifier $92.00 (4 Bids) Time Remaining: 20h 1m |
 Behringer Europower EP1500 Professional Sound Reinforcement Amplifier $115.00 (5 Bids) Time Remaining: 20h 13m |
 Genz Benz Shuttle 90 900 watt Amp $449.99 Time Remaining: 6d 14h 8m Buy It Now for only: $449.99 |
 Peavey 260 Series Monitor PA Amplifier $76.00 (3 Bids) Time Remaining: 15h 37m |
 RB GEMINI XGA 5000 5000W Power Amplifier DJ Stereo Amp $224.99 Time Remaining: 25d 22h 39m Buy It Now for only: $224.99 |
 QSC PLX 3102 power amplifier Great condition $380.00 (5 Bids) Time Remaining: 1d 17h 50m |
 Peavey PV900 Power Amp $125.00 Time Remaining: 22h 59m Buy It Now for only: $150.00 |
 QSC GX7 Power Amplifier AMP PROAUDIOSTAR $485.00 Time Remaining: 28d 12h 19m Buy It Now for only: $485.00 |
 Vintage Knight KN3035 Pa Tube Amplifier $9.95 (1 Bid) Time Remaining: 1d 20h 32m |
 BGW GTB Grand Touring Amplifer $13.89 (2 Bids) Time Remaining: 13h 49m |
 PYLE PRO PQA4100 4100W Rack Mount 19 Power DJ Professional Amplifier Amp Stereo $172.95 Time Remaining: 19d 20h 40m Buy It Now for only: $172.95 |
 QSC GX5 500 Watt Power Amp W Speaker Cables $300.00 Time Remaining: 1d 1h 22m |
 Crown XLS 1000 DriveCore Stereo Power Amp XLS1000 PROAUDIOSTAR $259.00 Time Remaining: 25d 11h 1m Buy It Now for only: $259.00 |
 Fender 70s StratocasterGuitar $99.99 (2 Bids) Time Remaining: 20h 2m |
 CROWN COM TECH 200 Rackmountable STEREO POWER AMP WORKS and LOOKS GREAT $9.99 Time Remaining: 16h 32m |
 NEW GEMINI XGA 5000 5000w STEREO POWER AMPLIFIER DJ AMP $249.95 Time Remaining: 22d 17h 48m Buy It Now for only: $249.95 |
 Large Box of Circut Boards and parts from Yorkville power amps etc Broken $19.80 (8 Bids) Time Remaining: 2d 17h 41m |
 GLI PRO PVX9000 10000 WATT POWER AMPLIFIER DJ RACK AMP $284.95 Time Remaining: 9d 16h 5m Buy It Now for only: $284.95 |
 BEHRINGER EUROPOWER EP4000 POWER AMP NEW BUY IT NOW 3 YEAR WARRANTY $284.00 (2 Bids) Time Remaining: 3d 11h 11m |
 POWER AMP QSC2450 $325.00 (24 Bids) Time Remaining: 17h 31m |
 Behringer iNuke NU6000 Power Amplifier BRAND NEW $359.00 Time Remaining: 1d 16h 59m Buy It Now for only: $359.00 |
 crown ma 3600vz good cond $891.00 (18 Bids) Time Remaining: 20h 49m |
 SMSL SA 36A TA2020 20W2 Tripath Class T Digital Headphone Amplifier BTL T AMP $19.99 Time Remaining: 16d 6m Buy It Now for only: $19.99 |
 Crown Macro Tech 3600vz Power Amplifier $880.00 (21 Bids) Time Remaining: 1d 19h 43m |
 QSC RMX 2450 PROFESSIONAL POWER AMP $349.99 Time Remaining: 2d 16h 16m Buy It Now for only: $399.99 |
 New Pyle PT3300 3000 Watt Power Amplifier DJ Pro Audio $124.99 Time Remaining: 29d 18h 49m Buy It Now for only: $124.99 |
 CROWN COM TECH 410 INDUSTRIAL POWER AMPLIFIER POWERS ON BUT SOLD AS IS $150.00 Time Remaining: 12h 9m |
 BEHRINGER EP4000 AMPLIFIER 4000W Stereo Power DJ New 2U Rack Mount 2 4 ohms AT $329.94 Time Remaining: 25d 19h 9m Buy It Now for only: $329.94 |
 PEAVEY M 3000 POWER AMP $54.00 (13 Bids) Time Remaining: 1d 22h 28m |
 BGW Series 3 Power Amp $200.00 Time Remaining: 1d 15h 47m |
 Gli Pro Xpa 7Y 4000 Watt 2 Channel Bridgeable Power Amplifier With USB SD Input $164.95 Time Remaining: 9d 16h 5m Buy It Now for only: $164.95 |
 Gemini Professional Power Amplifier XGA 3000 Amp 150W $279.95 Time Remaining: 1h 47m |
 Behringer EP2500 Europower Pro Power Amplifier PA Amp 1200 Watts Per Channel $130.25 (12 Bids) Time Remaining: 1d 22h 8m |
 Crown XTi 1002 2 Channel Rack Mount Power Amplifier $399.00 Time Remaining: 24d 19h 31m Buy It Now for only: $399.00 |
 QSC POWERLIGHT 2 PL236 PROFESSIONAL AMPLIFIER 3600 WATT $706.00 (21 Bids) Time Remaining: 18h 47m |
 PYLE PQA3100 NEW RACK MOUNT 3100 WATTS PRO POWER AMP WITH DIGITAL SMT TECHNOLOGY $131.99 Time Remaining: 24d 23h 17m Buy It Now for only: $131.99 |
 Crown XLS 1000 Gator Case Power Amp Amplifier $162.50 (5 Bids) Time Remaining: 1d 22h 50m |
 BOGEN HTA 250A POWER AMPLIFIER $339.00 Time Remaining: 3h 38m Buy It Now for only: $450.00 |
 Pyle PPA300 19 Rack 3000 Watts Pro Professional DJ Power Amplifier Amp Amps $135.00 Time Remaining: 28d 15h 26m Buy It Now for only: $135.00 |
 Carver Pm 20t Mono Block $149.99 Time Remaining: 17h 1m |
 GEM SOUND 1300W AMPLIFIER+2 10 TECHNICAL PRO SPEAKERS $254.95 Time Remaining: 29d 17h 26m Buy It Now for only: $254.95 |
 Crown D75 Power Amplifier NO RESERVE $41.00 (6 Bids) Time Remaining: 2d 16h 36m |
 Vintage Crown Integrated Circuit Stereo Console IC 150 Home Entertainment $61.00 (6 Bids) Time Remaining: 1d 11h 39m |
 MUSE T AMP MU 15 MK2 TA2024 Class T HI FI Amplifier S $29.99 Time Remaining: 14d 41m Buy It Now for only: $29.99 |
 CROWN CTS8200 CTS 8200 200 WPC 70V 4 OHMS 8 CHANNEL AUDIO POWER AMP AMPLIFIER $199.99 (1 Bid) Time Remaining: 2d 15h 50m |
 TOPPING TP21 TA2021 T AMP Audio Headphone Amplifier + 14V Power Adapter $69.99 Time Remaining: 16d 4h 43m Buy It Now for only: $69.99 |
 Crown XTi 4002 Power Amplifier Brand New Factory Sealed Full Warranty $699.99 Time Remaining: 22h 13m Buy It Now for only: $789.99 |
 Crown XS1200 Power AmpS $800.00 Time Remaining: 2d 10h 48m |
 Crown XTi 4002 2 Channel Rack Mount Power Amplifier $749.00 Time Remaining: 27d 13h 46m Buy It Now for only: $749.00 |
 Crown I TECH 4000 i t 4000 $1,199.00 Time Remaining: 4h 20m Buy It Now for only: $1,399.00 |
 Hafler Trans Nova P 1500 Amplifier No Reserve 99 Auction $26.00 (4 Bids) Time Remaining: 1d 18h 35m |
 QSC PLX3102 PowerLight 3100 Watt Amplifier FREE SHIP $1,149.99 Time Remaining: 23d 12h 44m Buy It Now for only: $1,149.99 |
 PEAVEY PV 2600 POWER AMPLIFIER 900 WATTS 4 OHMS $299.00 Time Remaining: 3d 21h 39m |
 QSC RMX5050 Power Amplifier RMX 5050 PROAUDIOSTAR $1,299.00 Time Remaining: 28d 12h 16m Buy It Now for only: $1,299.00 |
 Bogen HTA 250A Power Amplifier No Reserve $44.99 Time Remaining: 3d 17h 49m |
 PEAVEY CS 800X POWER AMP $117.50 (8 Bids) Time Remaining: 1d 22h 24m |
 Vintage Altec Lansing 1607A Mixer Power Amplifier Lk $149.99 Time Remaining: 28d 16h 41m Buy It Now for only: $149.99 |
 Peavey Mark III Series100 H Power Module $15.00 (1 Bid) Time Remaining: 3d 20h 43m |
 Technical Pro AX5000 5000 Watt 2 Channel 2U Rack Mount DJ Power Amplifier Amp $189.95 Time Remaining: 23d 15h 11m Buy It Now for only: $189.95 |
 BGW Systems Professional AV Power Amplifier Model 200 $129.99 Time Remaining: 3d 22h 35m |
 Vintage Pro Audio 10 Amplifer Crown DC 300A Dual Mono Buss Fuse or Equivalent $151.25 (8 Bids) Time Remaining: 1d 11h 27m |
 MARATHON 5000 Watt Pro Series Two Channel Amplifier Bridgeable MA5050 $799.00 Time Remaining: 22d 16h 27m Buy It Now for only: $799.00 |
 Pyramid 81000X Indoor Outdoor Amplifier Great Condition Total Power Amplifier $2.00 (3 Bids) Time Remaining: 2d 14h 31m Buy It Now for only: $350.00 |
 Bose 1800 series VI professional amplifier $350.00 Time Remaining: 29d 17h 23m Buy It Now for only: $350.00 |
 Crown I Tech 6000 Very Good Condition $1,499.00 (1 Bid) Time Remaining: 1d 19h 1m |
 TOA A 906MK2 Modular Mixer Amplifier w 8 Ports 2U 60W $0.01 (1 Bid) Time Remaining: 1h 8m |
 POWER SUPPLY BOARD FOR AUDIO POWER AMPLIFIER AMP A53 $19.50 Time Remaining: 15d 11h 57m Buy It Now for only: $19.50 |
 AMBER SERIES 70 VINTAGE PRO AUDIO PA PRO RACKMOUNT POWER AMP AMPLIFIER $104.49 (3 Bids) Time Remaining: 1d 18h 34m |
Power Amplifier
The Development Of 3G Phone Makes The Supply Of Power Amplifier Short
The power amplifier, which is heavily needed by the 3G cell phone, is always facing the problem of short supply from the year of 2009. There are so many reasons make the demand of this component increase and the supply can not meet the demand, such as the popularization of low cost phones and Smart Phones. This problem must be noted by the practitioners when they are preparing to purchase the materials, especially in the following years. It is predicated the 3G phone will develop rapidly in the following years. Its shipment will surpass the GSM phone in this year; its shipment will be very considerable in the year of 2013, which can reach one billion.
Compared with the 2G phone which only needs one, the 3G phone needs more than three power amplifiers. Some phones add the WiFi function, so they need four to five of this material, for example, the iPhone 3GS uses 4. Therefore, some experts maintain that the expansion of the 3G phone market will cause the shortage of power amplifier last longer. Generally, the 3G phone has high requirement for the power amplifier's performance. The GaSA processing is more efficient and energy saving. Compared with the silicon processing which has thirty percent of energy efficiency, the GaAs processing has forty five percent of energy efficiency. Therefore, the GaAs processing is always popular. Actually, about ninety percent of the 3G phones' power amplifiers apply the GaAs processing.
Most of the Practitioners use the GaAs processing in the market; many of them constantly released their new products in the recent years. However, the expansion of GaAs power amplifier can not meet the demand, some practitioners are trying to apply the CMOS processing. Actually, if the CMOS processing is popularized, the supply of the power amplifier will not be limited by the capacity. The related integrated circuit is WPS512K8B-XXXRJI.
About the Author
Lixiaona is the freelance writer for e-commerce website in the integrated circuit. SeekIc.com offers the buyers around the world to find quality supplier of electrical components globally. We try our best to aggregate leads in the integrated circuit business world, and let these leads benefit the entire business person.
Where do I plug in the antenna amplifier power supply?
I have a rooftop antenna that needs amplification. They all seem to require power. If I put the amplifier in by the antenna on the roof, where am I supposed to find a plug in for the power supply? Do most people create an outlet in their attic and plug it into that? Where do they get their power source? My cabling goes from the antenna into a junction box at the side of the house and then to each of the 4 sets in the house thru the attic.
You don't say what sort of amplifier you have (or maybe you haven't bought one yet?). Most rooftop mounted amplifiers have the ability to get power via the same coax that they send the signal down from. When you buy the amplifier you also get a power injector. This power injector hooks up to the coax line and feeds the 12 volts the amplifier needs. In your case you would have to put the power injector before the junction box where the signal splits into four.
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Lecture - 18 Power Amplifiers