Power Amplifier Used
Power Amplifier Used
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AMPLIFIER RESEARCH 200W1000M7 RF AMPLIFIER POWER US $29,995.00
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Amplifier Research 100W1000M1 Power Amp 80 1000 MHZ 100W US $24,995.00
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4139 POSITIONER CONTROLLER WITH POWER AMPLIFIER UNIT US $23,999.99
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Krell KAS power amp used MINT 100 all functions operate US $23,990.00
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Ophir 5061 Broadband Power Amplifier 08 42 GHz 50W US $19,085.00
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NAIM NAC 552 PRE AMPLIFIER WITH POWER SUPPLY UNIT US $17,379.80
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Amplifier Research 50W1000B Power Amp 1 1000 MHZ 50W US $16,795.00
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Gryphon Antileon Signature Stereo power amplifier US $15,900.00
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Hewlett Packard HP Agilent 83020A Microwave System Power Amp 2 265 GHz US $13,495.00
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Cary Audio CAD 1610SE monoblock SET power amplifiers US $12,900.00
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TWO Audio Research SDA1 4 CHANNEL SPACIAL DEFINITION Power Amplifier units US $10,500.00
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MRI Solid state RF Power Amplifier M Model 3445 CW US $10,000.00
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ENI Model MRI 2000 RF Power Amplifier NMR MRI Proton US $9,990.00
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Fluke 5205A Precision Power Amplifier US $9,900.00
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Amplifier Research 25W1000M7 RF CW Power Amplifier 1 MHz to 1 GHz 25 Watts US $9,195.00
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AIR TIGHT ATM 2 power amplifier US $7,490.00
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Conrad Johnson Premier 350SA Power Amp W US $7,113.15
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GRYPHON ANTILLEON POWER AMP 150 watts pure class A US $7,113.15
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GOLDMUND MIMESIS 184 POWER AMPLIFIER US $6,950.00
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Denon POA A1HDCI Ultra Reference 10 Channel Power Amplifier Electronics UU1046 US $6,730.70
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MARK LEVINSON No 434 MONO PAIR POWER AMPLIFIERS US $6,000.00
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Mark Levinson Nº 433 Power Amplifier US $5,800.00
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Sony TAN 8250 Power Amplifier Fully Working US $5,530.87
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Luxman M 600A Power Amplifier US $5,400.00
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McINTOSH MC207 7 Channel Power Amplifier 51 71 200 watt US $5,098.00
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ENI 1040L Power Amplifier US $4,995.00
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Kalmus 500FC 50W 1 500 MHz EMC power amplifier US $4,725.00
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CAMCO Q POWER 6 POWER AMPLIFIER MADE GERMANY LAB FP PLM US $3,883.50
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Krell FPB 200 Fully Regulated Balanced Power Amplifier Ship Worldwide US $3,627.71
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ALMARRO 50125 valve power amp US $3,556.58
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Bryston 9B SST 5 Channel Power Amplifier US $3,500.00
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ENI GHW 85A RF Plasma Generator Power Amplifier 8500W US $3,499.99
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Eaton Broadband Power Amplifier Model 3552B 100 512 MHZ US $3,499.99
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Crown MA3600VZ Stereo Power Amp US $3,002.09
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MC2 Audio E45 Power Amplifier US $2,999.99
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NAIM NAP135 mono power amps LOVELY Lotus340r Hifi US $2,995.43
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ENI 2100 L POWER AMPLIFIER US $2,850.00
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Audio Research SD135 Power Amp US $2,700.00
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Air tight ATC 1 Tube Valve Pre amp for Power amp with Phono MM Cartridge US $2,699.00
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EAR 534 Tube Power Amplifier US $3,300.00
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Parasound Halo C1 Processor A52 5 Channel Power Amplifier Combo US $3,250.00
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RF PowerLabs RF Power Labs Amplifier 250 145 US $2,499.00
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CAMCO TECTON 324 POWER AMPLIFIER GERMANY LAB FP PLM US $2,020.50
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Stereo Power Amplifier US $2,900.00 |
Spectra Sonics 701 Power Amplifiers 16 Channels with 404 RSD Supply 202PC US $2,000.00
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Will AB Power amplifier reduce gain?
I'm suppose to design an amplifier that is able to drive a 8 ohm speaker.
I have designed the 1st stage amplifier using CE Configuration. I need power amplifier to drive the speaker, so that I can implemented it in hardware. But will the gain decrease?
My design:
Icq=4mA Vcc=15V
R1=33k R2=5.6k
Rc=1.8k Re=0.33k
C1=C2=10uF
Ce=100uF
Also, will impedance matching help in this problem?
I assume Ce ( 100 uF) is bypass Re (0.33K). The collector voltage is 7.8 volts (15 - 1.8k * 4 ma). V emitter is 1.3 volts, the base voltage is about 2.1 volts. The internal resistance re of the transistor is 26/(4ma) = 6.5 ohms. You're expecting a voltage gain of - 1800/6.5 = -270. The internal resistance will vary with collector current making this a very non linear amplifier. You need to provide negative feedback to reduce the distortion. The power amplifier will reduce gain slightly. By the way the power amplifier is an impedance matching device.
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AMPLIFIER RESEARCH 200W1000M7 RF AMPLIFIER POWER US $29,995.00
|
Amplifier Research 100W1000M1 Power Amp 80 1000 MHZ 100W US $24,995.00
|
4139 POSITIONER CONTROLLER WITH POWER AMPLIFIER UNIT US $23,999.99
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Krell KAS power amp used MINT 100 all functions operate US $23,990.00
|
Ophir 5061 Broadband Power Amplifier 08 42 GHz 50W US $19,085.00
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NAIM NAC 552 PRE AMPLIFIER WITH POWER SUPPLY UNIT US $17,379.80
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Amplifier Research 50W1000B Power Amp 1 1000 MHZ 50W US $16,795.00
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Gryphon Antileon Signature Stereo power amplifier US $15,900.00
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Hewlett Packard HP Agilent 83020A Microwave System Power Amp 2 265 GHz US $13,495.00
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US $29,995.00
