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Used Amplifiers

  • Universal Instruments Switching Servo Amplifier

    Universal Instruments Switching Servo Amplifier 41132405 QMC 709-138

    • Manufacturer: Universal Instruments

    Universal Instruments Switching Servo Amplifier -Part# 41132405 Quality Motion Control 709-138 This amp is like new condition inside and has only been used for testing. Amplifier can be tuned for each specific ax...

    $2,500 USD
    Webberville, MI
  • Trusted Seller
    Precision Electronics Power Amplifier Axiom

    Precision Electronics Power Amplifier Axiom 250(103394)

    • Manufacturer: Axiom

    *Handling times for freight shipments average 5 days, but may vary depending on size, weight, location, and current trucking conditions. This does not include shipping time.* Item Dimensions - L X W X H - 21X19X1...

    Shippensburg, PA
  • Aerotech BA 20-80 Servo Motor

    Aerotech BA 20-80 Servo Motor Amplifier

    • Manufacturer: Arix

    “Clean used item as seen in the images. Includes 30 day warranty.” Aerotech BA 20-80 Servo Motor Amplifier 2-E2J-33703-CT

    $630 USD
    Baroda, MI
  • 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
  • Trusted Seller
    St. Jude Medical Ensite Velocity

    St. Jude Medical Ensite Velocity Amplifier EE3000

    • Manufacturer: St. Jude Medical
    • Model: EE3000

    Powers on unable to fully test. Minor scratches

    $2,000 USD
    Elkin, NC
  • 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
  • Trusted Seller
    CROWN COM-TECH 200 Power Amplifier

    CROWN COM-TECH 200 Power Amplifier (SKU: 109973)

    • Manufacturer: Crown

    *Handling times for freight shipments average 5 days, but may vary depending on size, weight, location, and current trucking conditions. This does not include shipping time.* Please be aware that item description...

    Shippensburg, PA
  • Electro-Craft BRU-Series Servo Amplifier 9101-1685

    Electro-Craft BRU-Series Servo Amplifier 9101-1685 Universal Instrument 47202704

    • Manufacturer: ElectroCraft

    Electro-Craft Clinch Span Amplifier Model: 47202704/005 , 47202704 Part# 9101-1685 4Tech Electronics Contact Info To find out about current specials or package deals please send us a email or give us a call. Paym...

    $800 USD
    Webberville, 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
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    Honeywell R7849A1023 Amplifier

    • Manufacturer: Honeywell
    • Model: R7849A1023

    Good condition Honeywell R7849A1023 Amplifiers. Located in USA and other countries. Click request price for more information.

    USA
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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.