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  • Fluke 5205A/100

    Fluke 5205A/100

    • Manufacturer: Fluke
    • Model: 5205A

    The Model 5205A Precision Power Amplifier is a dc coupled, broad band inverting amplifier with a set again of 100. The 5205A may be used in combination with the 5200A AC Calibrator for a combined output ranging f...

    Farmingdale, NJ
  • Kikusui POW35-5

    Kikusui POW35-5

    • Manufacturer: Kikusui

    Kikusui POW35-5 Bipolar Power Supply / Amplifier (35V, 5A)

    $520 USD
    Farmingdale, NJ
  • Bruel & Kjaer 2706

    Bruel & Kjaer 2706

    • Manufacturer: Bruel & Kjaer
    • Model: 2706

    Power amplifier for 4809 / 4810, 75VA, 40dB Cal: Calibration Available | As-is: Unit Sold AS-IS

    $995 USD
    Farmingdale, NJ
  • Krohn-Hite 7600

    Krohn-Hite 7600

    • Manufacturer: Krohn-Hite

    Wideband Power Amplifier;17 Watts; DC to 1MHz 141Vrms Output, Variable Gain to 100

    Farmingdale, NJ
  • MCE/DML Microwave DMS7066

    MCE/DML Microwave DMS7066

    • Manufacturer: MCE/DML Microwave

    MCE/DML Microwave DMS-7066 High Power Amplifier, 1800 - 1990 MHz, 50dB gain.

    $5,198 USD

    Get financing

    Est. $102/mo

    Farmingdale, NJ
  • ENI 525LA

    ENI 525LA

    • Manufacturer: ENI
    • Model: 525LA

    Power Amplifier, 1 to 500MHz, 25W As-is: Unit Sold AS-IS | Cal: Calibration Available

    $4,725 USD
    Farmingdale, NJ
  • Varian CPI Herley-AMT 3200-V

    Varian CPI Herley-AMT 3200-V

    • Manufacturer: Varian

    Cal: Calibration Available | As-is: Unit Sold AS-IS

    $1,555 USD
    Farmingdale, NJ
  • Agilent/Keysight 5086-7622

    Agilent/Keysight 5086-7622

    • Manufacturer: Agilent - Keysight

    Amplifier/Multiplier Adjustments This Procedure maximize RF power by tracking the tuned filter in the amplifier/multiplier to the RF output frequency. The amplifier/filter output is also monitored. Initial tracki...

    $2,500 USD
    Farmingdale, NJ
  • Tektronix 5A14N

    Tektronix 5A14N

    • Manufacturer: Tektronix
    • Model: 5A14N

    The Tektronix 5A14N Four Channel Amplifier Plug-in provides 1MHz bandwidth Sensitivity to 1 mV/div. Each channel may be displayed separately, or the channels may be alternated or chopped in any combination. Chann...

    Farmingdale, NJ
  • Trusted Seller
    Adept 04900-000 Cobra S600/800 Servo

    Adept 04900-000 Cobra S600/800 Servo Amplifier Controller Base Module Rev J

    • Manufacturer: Cobra

    “New without Factory Packaging” Model number: 04900-000 | Model line: COBRA | Mpn: 04900-000 | Shipping weight: 16 lbs | Shipping dimensions: 20 x 10 x 9 in | Reference sku: 983336

    $9,288 USD

    Get financing

    Est. $182/mo

    Delta, OH
  • Trusted Seller
    Sensopart 1500mm Max Working Distance

    Sensopart 1500mm Max Working Distance M30-series Photoelectric Proximity Sensor Amplifier - Fms30-34ul4

    • Manufacturer: Sensopart

    New Open Box Name: M30-series Photoelectric Proximity Sensor Amplifier | Arrival date: 08-06-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Capacity: 1500MM MAX WORKING DISTANCE | Electrical: 100Hz | Weight (l...

    $44 USD
    Euclid, OH
  • Trusted Seller
    Fadal Servo Amplifier - Sma8510-5a-3-ps1b

    Fadal Servo Amplifier - Sma8510-5a-3-ps1b

    • Manufacturer: Fadal

    Used Name: Servo Amplifier | Arrival date: 10-30-2025 | Dimensions l x w x h (inches): 20 x 15 x 13 | Weight (lb.): 14 | Available quantity: 1 | Make year: 2007

    $424 USD
    Euclid, OH
  • Trusted Seller
    Fadal Digital Ac Brushless Servo

    Fadal Digital Ac Brushless Servo Amplifier - Sma8585-1

    • Manufacturer: Fadal

    Used Name: Digital Ac Brushless Servo Amplifier | Arrival date: 10-30-2025 | Dimensions l x w x h (inches): 13 x 9 x 5 | Weight (lb.): 3 | Available quantity: 1 | Make year: 2002

    $220 USD
    Euclid, OH
  • Trusted Seller
    Keyence Sensor Amplifier - Iv-g10

    Keyence Sensor Amplifier - Iv-g10

    • Manufacturer: Keyence
    • Model: IV-G10

    New, Sensor Amplifier, Class 2, Made In Japan Name: Sensor Amplifier | Arrival date: 10-23-2025 | Dimensions l x w x h (inches): 7 x 5 x 3 | Weight (lb.): 2 | Available quantity: 1

    $100 USD
    Euclid, OH
  • Trusted Seller
    Define Sentry Trip Amplifier Unit.

    Define Sentry Trip Amplifier Unit. - Sen-uv-r2nd

    • Manufacturer: Define

    New, Open Box Name: Sentry Trip Amplifier Unit. | Arrival date: 10-21-2025 | Dimensions l x w x h (inches): 7 x 7 x 5 | Weight (lb.): 1 | Available quantity: 1

    $81 USD
    Euclid, OH
89101112

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.