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Used u.s.a.

  • Trusted Seller
    Berkeley Process Control USA2-22-35 Multi-Axis

    Berkeley Process Control USA2-22-35 Multi-Axis Universal Servo Amplifier Working

    • Manufacturer: Berkeley Process Control

    “The unit has minor scuffs to the paint (see photos).” Berkeley Process Control USA2-22-35 Multi-Axis Universal Servo Amplifier Working Model No: MULTI-AXIS UNIVERSAL SERVO AMP Made in the USA This item is workin...

    $510 USD
    Albuquerque, NM
  • Trusted Seller
    Unico 2455 DC Modular Amplifier

    Unico 2455 DC Modular Amplifier Drive 150HP 3Ph 500V 112721 ECL1

    • Manufacturer: Unico

    Used, in Good Working Condition. This drive has DC input and AC output. Inverter drive. Rated for a 150 hp motor. Everything still looks complete. If this item ships as Flat Rate Freight please see details in Shi...

    $2,250 USD
    Millersburg, IN
  • Trusted Seller
    Unico 2455 DC Modular Amplifier

    Unico 2455 DC Modular Amplifier Drive 150HP 3Ph 500V 112721 ECL1

    • Manufacturer: Unico

    Used, in Good Working Condition. This drive has DC input and AC output. Inverter drive. Rated for a 150 hp motor. Everything still looks complete. If this item ships as Flat Rate Freight please see details in Shi...

    $2,250 USD
    Millersburg, IN
  • Trusted Seller
    Emerson ECA-320 Servo Amp Analog

    Emerson ECA-320 Servo Amp Analog Amplifier 320-118 Rev A1

    • Manufacturer: Emerson

    In Good Used Condition. If this item ships as Flat Rate Freight please see details in Shipping tab

    $855 USD
    Millersburg, IN
  • BURLE SECURITY TC8231 VIDEO DISTRIBUTION

    BURLE SECURITY TC8231 VIDEO DISTRIBUTION AMPLIFIER

    • Manufacturer: BURLE SECURITY

    BID WITH CONFIDENCE WITH OUR MONEY BACK GUARANTEE!!!!! 4 CHANNEL 6W 120VAC LOCATION A-109 11-16-17 MB RC

    $60 USD
    Rutherfordton, NC
  • MB DYNAMICS SS2500M AMPLIFIER

    MB DYNAMICS SS2500M AMPLIFIER

    • Manufacturer: MB DYNAMICS

    BID WITH CONFIDENCE WITH OUR MONEY BACK GUARANTEE!!!!! Freight shipping.

    $1,299 USD
    Rutherfordton, NC
  • Trusted Seller
    Gradient Amplifier 271

    Gradient Amplifier 271

    • Manufacturer: Philips

    Unit: pcs | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 452213165412 | Part no of brand: 452213165412 | Country of origin: USA

    $1 USD
    Niagara Falls, Canada
  • Trusted Seller
    RF Amplifier (Model:AN8134) 3T

    RF Amplifier (Model:AN8134) 3T

    • Manufacturer: Philips

    Unit: pcs | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 452213203183 | Part no of brand: 452213203183 | Country of origin: USA

    $1 USD
    Niagara Falls, Canada
  • Trusted Seller
    Gradient Amplifier 271

    Gradient Amplifier 271

    • Manufacturer: Philips

    Unit: pcs | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 452213165412 | Part no of brand: 452213165412 | Country of origin: USA

    $1 USD
    Niagara Falls, Canada
  • Trusted Seller
    Philips RF Amplifier AN 8134

    Philips RF Amplifier AN 8134 (Returned/Defective)

    • Manufacturer: Philips

    Unit: pcs | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 452213203183 | Part no of brand: 452213203183 | Country of origin: USA

    $26,250 USD

    Get financing

    Est. $494/mo

    Niagara Falls, Canada
  • Trusted Seller
    Gradient Amplifier 281+

    Gradient Amplifier 281+

    • Manufacturer: Philips

    Unit: pcs | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 989603011991 | Part no of brand: 989603011991 | Country of origin: USA

    $1 USD
    Niagara Falls, Canada
  • Trusted Seller
    Gradient Amplifier 274

    Gradient Amplifier 274

    • Manufacturer: Philips

    Unit: pcs | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 452213154221 | Part no of brand: 452213154221 | Country of origin: USA

    $1 USD
    Niagara Falls, Canada
  • Trusted Seller
    Copley Gradient Amplifier 271 Power

    Copley Gradient Amplifier 271 Power Supply Model: 601D

    • Manufacturer: Copley Scientific

    Unit: PCS | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 452215031182 | Part no of brand: 452215031182 | Country of origin: USA

    $1 USD
    Niagara Falls, Canada
  • Trusted Seller
    Philips Gradient Amplifier 281+

    Philips Gradient Amplifier 281+

    • Manufacturer: Philips

    Unit: pcs | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 452215039282 | Part no of brand: 452215039282 | Country of origin: USA

    $7,000 USD

    Get financing

    Est. $137/mo

    Niagara Falls, Canada
  • Trusted Seller
    Gradient Amplifier 274

    Gradient Amplifier 274

    • Manufacturer: Philips

    Unit: PCS | Initial stock formatted: 1 | Initial stock rate: 1 | Part no of manufacturer: 452213154221 | Part no of brand: 452213154221 | Country of origin: USA

    $1 USD
    Niagara Falls, Canada
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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.