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Used Amplifiers

  • Electro-Craft 5422-22-004 Servo Motor With

    Electro-Craft 5422-22-004 Servo Motor With Amplifier 9101-1669

    • Manufacturer: ElectroCraft

    “Pulled from running machine, not independently tested.” Electro-Craft Servo Motor 5422-22-004 47604601 Electro-Craft Servo Amplifier 9101-1669 47621601/009 4Tech Electronics Contact Info To find out about curren...

    $750 USD
    Webberville, MI
  • Trusted Seller
    Amplifier Research 700A

    Amplifier Research 700A

    • Manufacturer: Amplifier Research
    • Model: 700A

    10 kHz to 250 kHz 700 Watt RF Power Amplifier Amplifier Research 700A 10 kHz to 250 kHz 700 Watt RF Power Amplifier and other Amplifiers From DC up to 1 MHz for sale at Test Equipment Center.

    Cary, NC
  • Trusted Seller
    Amplifier Research 83051A

    Amplifier Research 83051A

    • Manufacturer: Amplifier Research

    Keysight Agilent 83051A Microwave System Amplifier. 45 MHz to 50 GHz

    Cary, NC
  • Trusted Seller
    Amplifier Research 777

    Amplifier Research 777

    • Manufacturer: Amplifier Research
    • Model: 777

    10 kHz to 220 MHz Leveling Pre-Amplifier The Amplifier Research 777 is a Leveling Preamplifier providing up to 30 dB of gain control within an operational bandwidth of 10 kHz to 220 MHz for constant-field rfi sus...

    Cary, NC
  • Trusted Seller
    IFM Electronic Fiber Optic Amplifier

    IFM Electronic Fiber Optic Amplifier 00F-FPKG/M12/GL2

    • Manufacturer: IFM

    You are buying one (1) used IFM Electronic Fiber Optic Amplifier 00F-FPKG/M12/GL2.

    $139 USD
    Austinville, VA
  • Universal Instruments 6241 Switching Servo

    Universal Instruments 6241 Switching Servo Amplifier 41132407 MCG 709-149-1

    • Manufacturer: Universal Instruments

    “Tested Good” Universal Instruments Switching Servo Amplifier -Part# 41132407 MCG Part# 709-149-1 Removed from 6241D Chain Transfer Module for Chain Drive. Amplifier can be tuned for each specific axis location. ...

    $2,500 USD
    Webberville, MI
  • Glentek GA4568EA-1HP Servo Amplifier Board

    Glentek GA4568EA-1HP Servo Amplifier Board

    • Manufacturer: Glentek

    $617 USD
    Baroda, MI
  • Trusted Seller
    Amplifier Research 75A220

    Amplifier Research 75A220

    • Manufacturer: Amplifier Research
    • Model: 75A220

    10 kHz to 220 MHz 75 Watt Broadband RF Power Amplifier The Amplifier Research 75A220 is a top of the line, quality amplifier. This unit features 75W, CW, 10 kHz to 220 MHz. The Amplifier Research 75A220 amplifier...

    Cary, NC
  • Trusted Seller
    Amplifier Research 16000A225

    Amplifier Research 16000A225

    • Manufacturer: Amplifier Research

    10 kHz to 225 MHz 16 kWatt High Power RF Amplifier Amplifier Research 16000A225 10 kHz to 225 MHz 16 kWatt High Power RF Amplifier and other Amplifiers Above 1 MHz up to 1 GHz / Over 500 Watts for sale at Test Eq...

    Cary, NC
  • Trusted Seller
    Amplifier Research 10000A225

    Amplifier Research 10000A225

    • Manufacturer: Amplifier Research
    • Model: 10000A225

    10 kHz to 225 MHz 10 kWatt High Power RF Amplifier Amplifier Research 10000A225 10 kHz to 225 MHz 10 kWatt High Power RF Amplifier and other Amplifiers Above 1 MHz up to 1 GHz / Over 500 Watts for sale at Test Eq...

    Cary, NC
  • Trusted Seller
    Amplifier Research 1000A225

    Amplifier Research 1000A225

    • Manufacturer: Amplifier Research
    • Model: 1000A225

    10 kHz to 225 Mhz 1 kWatt High Power RF Amplifier Amplifier Research 1000A225 10 kHz to 225 Mhz 1 kWatt High Power RF Amplifier and other Amplifiers Above 1 MHz up to 1 GHz / Over 500 Watts for sale at Test Equip...

    Cary, NC
  • Trusted Seller
    Amplifier Research 200A400

    Amplifier Research 200A400

    • Manufacturer: Amplifier Research

    10 kHz to 400 MHz 200 Watt Mid-Power RF Amplifier Amplifier Research 200A400 10 kHz to 400 MHz 200 Watt Mid-Power RF Amplifier and other Amplifiers Above 1 MHz up to 1 GHz / Over 50 up to 500 Watts for sale at Te...

    Cary, NC
  • Trusted Seller
    Amplifier Research 125A400

    Amplifier Research 125A400

    • Manufacturer: Amplifier Research
    • Model: 125A400

    10 kHz to 400 MHz 125 Watt Mid-Power RF Amplifier Amplifier Research 125A400 10 kHz to 400 MHz 125 Watt Mid-Power RF Amplifier and other Amplifiers Above 1 MHz up to 1 GHz / Over 50 up to 500 Watts for sale at Te...

    Cary, NC
  • Trusted Seller
    Amplifier Research 100A400

    Amplifier Research 100A400

    • Manufacturer: Amplifier Research
    • Model: 100A400

    100 kHz to 400 MHz 100 Watt Broadband RF Power Amplifier Amplifier Research 100A400 100 kHz to 400 MHz 100 Watt Broadband RF Power Amplifier and other Amplifiers Above 1 MHz up to 1 GHz / Over 50 up to 500 Watts ...

    Cary, NC
  • Trusted Seller
    Amplifier Research 100L

    Amplifier Research 100L

    • Manufacturer: Amplifier Research
    • Model: 100L

    10 kHz to 220 MHz 100 Watt RF Power Amplifier The Amplifier Research 100L RF Power Amplifier delivers 100 Watts of CW Power into 50 Ohms from 10 kHz to 220 MHz. Amplifier Research 100L Features Power Output: 100 ...

    Cary, NC
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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.