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  • Tektronix S-1

    Tektronix S-1

    • Manufacturer: Tektronix
    • Model: S1

    The Type S-1 Sampling Head is a 50 Ω input, 350 ps rise-time, plug-in preamplifier for use in some Tektronix 3S-Series sampling units, such as the Type 3S2 Sampling Unit. Input characteristics of the sampling sys...

    Farmingdale, NJ
  • Tektronix PSPL5865^

    Tektronix PSPL5865^

    • Manufacturer: Tektronix

    The Model PSPL5865 Driver Amplifier is intended for use driving Lithium Niobate modulators or as a linear amplifier. This device includes internal temperature compensation for excellent output stability over temp...

    $2,457 USD
    Farmingdale, NJ
  • Amplifier Research PM2002

    Amplifier Research PM2002

    • Manufacturer: Amplifier Research
    • Model: PM2002

    The PM 2002 is a dual channel high performance power meter that features high speed measurement capability and wide dynamic range. Additional Features: Rear panel RECORDER BNC connector, 0 to 10V into 1mW. Output...

    $3,950 USD
    Farmingdale, NJ
  • Agilent/Keysight 8449B

    Agilent/Keysight 8449B

    • Manufacturer: Agilent - Keysight
    • Model: 8449B

    The Agilent 8449B microwave preamplifier is a high-gain, low-noise preamplifier that provides additional sensitivity for any RF/microwave spectrum analyzer for detection and analysis of very low signals. The impr...

    $3,880 USD
    Farmingdale, NJ
  • Tektronix 7A15A

    Tektronix 7A15A

    • Manufacturer: Tektronix
    • Model: 7A15A

    The 7A15A Amplifier plug-in unit is a wide band amplifier designed for use with Tektronix 7000-Series oscilloscope. The 7A15A electrically identical except that encoding capabilities and an "IDENTIFY" function ar...

    Farmingdale, NJ
  • Tektronix AM503A

    Tektronix AM503A

    • Manufacturer: Tektronix
    • Model: AM503A

    As-is: Unit is sold AS-IS

    Farmingdale, NJ
  • Fluke 5215A

    Fluke 5215A

    • Manufacturer: Fluke
    • Model: 5215A

    The Fluke 5215A Precision Power Amplifier is an ac-coupled programmable inverting amplifier with a fixed gain of 100. Output level is specified to 1100V at up to 200 mA, with a typical upper limit of 1200V before...

    $3,997 USD
    Farmingdale, NJ
  • Lecroy DA1855A

    Lecroy DA1855A

    • Manufacturer: Lecroy
    • Model: DA1855A

    High-performance 100 MHz Differential Amplifier Cal: Calibration Available | Pr2: 2 Channel | As-is: Unit Sold AS-IS | Rm: Rackmount

    $1,727 USD
    Farmingdale, NJ
  • Tektronix 7A19

    Tektronix 7A19

    • Manufacturer: Tektronix
    • Model: 7A19

    The 7A19 Amplifier plug-in unit is a wide band amplifier designed for use with TEKTRONIX 7000-Series oscilloscopes. Readout encoding circuitry is provided in the 7A19 to allow probe coding, deflection factor read...

    Farmingdale, NJ
  • Tektronix 5A21N

    Tektronix 5A21N

    • Manufacturer: Tektronix
    • Model: 5A21N

    The Tektronix 5A21N is a high-gain differential amplifier plug-in for 5000-series scopes. In addition to inverting and noninverting differential inputs, it also features a current probe input for 125-turn probes ...

    Farmingdale, NJ
  • Trusted Seller
    OKUMA BL-D 75A, B-AXIS SERVO

    OKUMA BL-D 75A, B-AXIS SERVO AMPLIFIER

    • Manufacturer: Okuma

    OKUMA BL-D 75A, B-AXIS SERVO AMPLIFIER

    $1,975 USD
    Toledo, OH
  • Trusted Seller
    GE Healthcare Marquette CLab II

    GE Healthcare Marquette CLab II Plus 128 Amplifier

    • Manufacturer: GE Healthcare

    OEM:Material:Common Name:Item Weight:Serial Number:SKU#:Powers On:Includes Power Cords:Functional Condition:Cosmetic Condition:Location:

    $149 USD
    Twinsburg, OH
  • Trusted Seller
    Philips Invivo Expression & PMC

    Philips Invivo Expression & PMC Mounting Bracket

    • Manufacturer: Philips
    • Model: PMC

    OEM:Material:Common Name:Item Weight:Serial Number:SKU#:Powers On:Includes Power Cords:Functional Condition:Cosmetic Condition:Location:

    $46 USD
    Twinsburg, OH
  • Trusted Seller
    Philips Invivo Expression & PMC

    Philips Invivo Expression & PMC Mounting Bracket

    • Manufacturer: Philips
    • Model: PMC

    OEM:Material:Common Name:Item Weight:Serial Number:SKU#:Powers On:Includes Power Cords:Functional Condition:Cosmetic Condition:Location:

    $46 USD
    Twinsburg, OH
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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.