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  • siemens RW2135

    siemens RW2135

    • Manufacturer: Siemens

    Traveling Wave Tube 10.7 - 11.7GHz, 10W Cal: Calibration Available | As-is: Unit is sold AS-IS

    $1,497 USD
    Farmingdale, NJ
  • Varian CPI VZL6943G5M

    Varian CPI VZL6943G5M

    • Manufacturer: Varian

    1 to 2 GHz 200 Watts CW Prime power: 120 VAC @ 19A

    $29,500 USD

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    Est. $555/mo

    Farmingdale, NJ
  • Bonn Elec TWAL0212-10/20D

    Bonn Elec TWAL0212-10/20D

    • Manufacturer: Bonn Elec

    Solid State Amp ,TWT Amp, 2 to 12GHz, 10/20W Cal: Calibration Available | As-is: Unit Sold AS-IS

    $13,598 USD

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    Est. $267/mo

    Farmingdale, NJ
  • RFPP (RF Power Products) RF20S

    RFPP (RF Power Products) RF20S / 490-0002

    • Manufacturer: RFPP

    RF Generator, 2,000 Watts, 13.56 MHz Cal: Calibration Available | As-is: Unit Sold AS-IS

    $1,197 USD
    Farmingdale, NJ
  • MPD 4050-12/9176

    MPD 4050-12/9176

    • Manufacturer: MPD

    Solid State Amplifier 400 to 500 MHz, 100 Watts Rf in/out: N Connectors on rear | Cal: Calibration Available | As-is: Unit Sold AS-IS

    $2,400 USD
    Farmingdale, NJ
  • AR Modular RF KAW1020

    AR Modular RF KAW1020

    • Manufacturer: AR Modular RF

    AR Modular RF KAW1020 5 WATTS CW 500 kHz - 1000 MHz

    $3,145 USD
    Farmingdale, NJ
  • Amplifier Research FM5004

    Amplifier Research FM5004

    • Manufacturer: Amplifier Research
    • Model: FM5004

    Field Monitor, GPIB, RS232 Cal: Calibration Available | As-is: Unit Sold AS-IS

    $3,145 USD
    Farmingdale, NJ
  • Tektronix S-3A

    Tektronix S-3A

    • Manufacturer: Tektronix
    • Model: S3

    The S-3A Sampling Head is used with Tektronix Sampling units such as the Type 3S2, 3S5, 3S6, 7S11 and 7S12. The S-3A consists of a plug-in head with a permanently attached, miniature 1X probe containing the sampl...

    Farmingdale, NJ
  • Unholtz Dickie TC 208

    Unholtz Dickie TC 208

    • Manufacturer: Unholtz Dickie

    Unholtz-Dickie Corp Mdl TC 208 Electrodynamic Shaker

    $10,448 USD

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    Est. $205/mo

    Farmingdale, NJ
  • Tektronix 5A15N

    Tektronix 5A15N

    • Manufacturer: Tektronix
    • Model: 5A15N

    The 5A15N Single-Channel Amplifier Plug-In is for use in the 5100-Series Mainframes. The unit provides bandwidth of dc to 2MHz at sensitivities to 1 mV/div. Two 5A15Ns may be used in a mainframe to provide dual-c...

    $520 USD
    Farmingdale, NJ
  • Amplifier Research FM2000

    Amplifier Research FM2000

    • Manufacturer: Amplifier Research
    • Model: FM2000

    Amplifier Research FM2000 Close Field Meter c/w Isotropic Probe

    $1,360 USD
    Farmingdale, NJ
  • Trusted Seller
    Adept 04900-000 Cobra S600/800 Servo

    Adept 04900-000 Cobra S600/800 Servo Amplifier Controller Base Module Rev Ag

    • Manufacturer: Cobra

    “New without Factory Packaging” Model number: 04900-000 | Model line: COBRA | Mpn: 04900-000 | Shipping weight: 18 lbs | Shipping dimensions: 25 x 15 x 14 in | Reference sku: 983209

    $9,295 USD

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    Est. $183/mo

    Delta, OH
  • Trusted Seller
    Keyence Sensor Amplifier Unit -

    Keyence Sensor Amplifier Unit - Ap-v42awp

    • Manufacturer: Keyence

    New, Open Box Name: Sensor Amplifier Unit | Arrival date: 10-03-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 2

    $56 USD
    Euclid, OH
  • Trusted Seller
    Macgregor 8 Amps Amplifier -

    Macgregor 8 Amps Amplifier - Pa 60/2

    • Manufacturer: MacGregor

    Made In England Name: Amplifier | Arrival date: 10-23-2025 | Dimensions l x w x h (inches): 22 x 22 x 24 | Capacity: 8 AMPS | Electrical: 1/50/60/220/240 | Weight (lb.): 218 | Available quantity: 1

    $1,274 USD
    Euclid, OH
  • Trusted Seller
    Efector Ifm Fiber-optic Amplifier -

    Efector Ifm Fiber-optic Amplifier - Obf-fakg/t/us-obf500

    • Manufacturer: Efector Ifm

    New, Fiber-optic Amplifier, Singapore Name: Fiber-optic Amplifier | Arrival date: 10-20-2025 | Dimensions l x w x h (inches): 4 x 5 x 2 | Weight (lb.): 1 | Available quantity: 1

    $72 USD
    Euclid, OH
89101112

Overview

Amplifiers are electronic devices used to increase the power, voltage, or current of a signal. They are commonly used in audio systems to boost sound signals, ensuring clear and powerful audio output for entertainment systems, musical instruments, and professional audio equipment. They come in various types and sizes, catering to different needs from home audio systems to large concert venues.

FAQ

What should I consider when buying a used amplifier?

Consider the amplifier's power output, compatibility with your existing audio equipment, its condition, and brand reputation. Check for any signs of wear, damage, or previous repairs.

How do I ensure the amplifier is shipped safely to my location?

Use a reputable shipping service with experience in handling electronic equipment. Ensure the amplifier is properly packaged with adequate padding and protection from static and moisture.

What is the maintenance schedule for an amplifier?

Regular maintenance includes dusting the exterior, checking connections, and ensuring proper ventilation. Periodically, have a professional inspect the internal components for any signs of wear or damage.