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Used ac testing

  • Trusted Seller
    ENI 406 L Laboratory RF

    ENI 406 L Laboratory RF Amplifier, 40dB, 5W, 150kHz - 250 MHz

    • Manufacturer: ENI

    “This powers on, however, the red light does not light up when it is powered on. Item was in working condition at the time it was removed from service.” ENI 406 L Laboratory RF Amplifier, 40dB, 5W, 150kHz - 250 M...

    $900 USD
    Bergen, NY
  • MINT CONDITION Panasonic AC Servo

    MINT CONDITION Panasonic AC Servo Amplifier MUMA042A3E

    • Manufacturer: Panasonic

    “NEW” Shipping Note: Please send us an email to request rush same day shipping if it is an urgent breakdown. We ship worldwide and will on occasion require customers UPS/DHL/FEDEX account to ship to overseas Ret...

    $650 USD
    Niagara Falls, NY
  • MINT CONDITION SANYO DENKI 67ZA030A821S04

    MINT CONDITION SANYO DENKI 67ZA030A821S04 Servo Amplifier EXPRESS SHIP AVAILABL

    • Manufacturer: Sanyo Denki

    “WORKING PULL” Shipping Note: Please send us an email to request rush same day shipping if it is an urgent breakdown. We ship worldwide and will on occasion require customers UPS/DHL/FEDEX account to ship to ove...

    $990 USD
    Niagara Falls, NY
  • Bruel & Kjaer Type 2706

    Bruel & Kjaer Type 2706 Power Amplifier For Accelerometer Calibration

    • Manufacturer: Bruel & Kjaer

    The Bruel & Kjaer Type 2706 Power Amplifier is a high-quality audio device specifically designed for calibrating accelerometers in sound level meter testing. With the reputation of the Brüel & Kjær brand, this po...

    $750 USD
    Salem, CT
  • Bruel & Kjaer Type WQ

    Bruel & Kjaer Type WQ 1105 Power Amplifier

    • Manufacturer: Bruel & Kjaer

    The Bruel & Kjaer Type WQ 1105 Power Amplifier is a high-quality audio equipment designed for precise measurements in sound level meters. With the reputable Brüel & Kjær brand backing it, this power amplifier ens...

    $2,500 USD
    Salem, CT
  • Bruel & Kjaer Model 4195

    Bruel & Kjaer Model 4195 Ear Simulator for Telephonometry With 2669 Amplifier

    • Manufacturer: Bruel & Kjaer

    The Bruel & Kjaer Model 4195 Ear Simulator is a high-quality tool designed for telephonometry, specifically designed for testing sound levels in telecommunication devices. The simulator includes a 2669 amplifier ...

    $1,200 USD
    Salem, CT
  • Bruel & Kjaer Model 4195

    Bruel & Kjaer Model 4195 Ear Simulator for Telephonometry With 2669 Amplifier

    • Manufacturer: Bruel & Kjaer

    The Bruel & Kjaer Model 4195 Ear Simulator is a high-quality tool designed for telephonometry, specifically designed for testing sound levels in telecommunication devices. The simulator includes a 2669 amplifier ...

    $1,200 USD
    Salem, CT
  • Bruel & Kjaer Model 4195

    Bruel & Kjaer Model 4195 Ear Simulator for Telephonometry With 2669 Amplifier

    • Manufacturer: Bruel & Kjaer

    The Bruel & Kjaer Model 4195 Ear Simulator is a high-quality tool designed for telephonometry, specifically designed for testing sound levels in telecommunication devices. The simulator includes a 2669 amplifier ...

    $1,200 USD
    Salem, CT
  • Bruel & Kjaer Model 4195

    Bruel & Kjaer Model 4195 Ear Simulator for Telephonometry With 2669 Amplifier

    • Manufacturer: Bruel & Kjaer

    The Bruel & Kjaer Model 4195 Ear Simulator is a high-quality tool designed for telephonometry, specifically designed for testing sound levels in telecommunication devices. The simulator includes a 2669 amplifier ...

    $1,200 USD
    Salem, CT
  • Bruel & Kjaer Model 4195

    Bruel & Kjaer Model 4195 Ear Simulator for Telephonometry With 2669 Amplifier

    • Manufacturer: Bruel & Kjaer

    The Bruel & Kjaer Model 4195 Ear Simulator is a high-quality tool designed for telephonometry, specifically designed for testing sound levels in telecommunication devices. The simulator includes a 2669 amplifier ...

    $1,200 USD
    Salem, CT
  • Otsuka Electronics/Techron X8300 Gradient Amplifier

    Otsuka Electronics/Techron X8300 Gradient Amplifier

    • Manufacturer: Techron

    Otsuka Electronics/ Techron X8300 Gradient Amplifier Used, untested, This is a freight item, we can get a quote and invoice the buyer the freight amount or the buyer can arrange and pay their own freight shipping...

    $1,000 USD
    Burnsville, MN
  • Otsuka Electronics/Techron X8300 7782 Gradient

    Otsuka Electronics/Techron X8300 7782 Gradient Amplifier

    • Manufacturer: Techron

    Otsuka Electronics/Techron X8300 7782 Gradient Amplifier (A sticker on the unit notes that it has been converted to a 7782 Amplifier) Used - Untested - No Top Cover - AS IS - No Returns This is a freight item, we...

    $750 USD
    Burnsville, MN
  • Trusted Seller
    Auction
    Edmunds Gages E7120 Accu-Touch Amplifier

    Edmunds Gages E7120 Accu-Touch Amplifier Air Gage

    • Manufacturer: Edmunds

    Edmunds Gages E7120 Accu-Touch Amplifier Air Gage

    Eden Prairie, MN
    Visit Auction Website
  • Traveling Wave Tube Amplifier Model:

    Traveling Wave Tube Amplifier Model: 1177H06F000

    • Manufacturer: Hughes

    Traveling Wave Tube Amplifier Model: 1177H06F000 ITEM: 1802-161 6605B **Shipping** All Customers: We can use your FedEx or UPS account to ship via the method and speed you request. Prior to paying, contact us to ...

    $700 USD
    Burnsville, MN
  • Trusted Seller
    Eni Rf Power Amplifier. 100

    Eni Rf Power Amplifier. 100 Watts Linear. 1.5-400mhz

    • Manufacturer: ENI
    • Model: 5100L

    Used, Can Not Test. Name: Rf Power Amplifier. 100 Watts Linear. 1.5-400mhz | Arrival date: 09-16-2025 | Dimensions l x w x h (inches): 37 x 19 x 19 | Weight (lb.): 102 | Available quantity: 1

    $3,999 USD
    Euclid, OH
34567

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.