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Used lab testing

  • Trusted Seller
    AR Worldwide 75A250A

    AR Worldwide 75A250A

    • Manufacturer: AR Worldwide

    Low Power RF amplifier 75 Watt CW, 10 kHz-250 MHz Frequency range - high: 250.00MHz | Output - compression: 50 W | Gain: 49.0dB

    New Smyrna Beach, FL
  • Trusted Seller
    Krohn-Hite 7602M

    Krohn-Hite 7602M

    • Manufacturer: Krohn-Hite
    • Model: 7602M

    Wideband Power Amplifier Frequency range - high: 1.00MHz | Gain: 42.0dB

    New Smyrna Beach, FL
  • Trusted Seller
    AR Worldwide 40AD1

    AR Worldwide 40AD1

    • Manufacturer: AR Worldwide

    Low Power RF amplifier 40 Watt CW, DC-1 MHz Frequency range - high: 1.00MHz | Output - compression: 25 W | Gain: 45.0dB

    New Smyrna Beach, FL
  • Trusted Seller
    ENI 240L

    ENI 240L

    • Manufacturer: ENI
    • Model: 240L

    Type Solid State Nominal Power 40 Watts Flatness 1.5 dB Minimum Frequency 20 kHz Maximum Frequency 10 MHz Harmonic Distortion -25 dBc Maximum Input Wattage 20 mW Gain 50 dB Noise Figure 9dB (Nominal) Input Impeda...

    New Smyrna Beach, FL
  • Trusted Seller
    Anritsu MH648A

    Anritsu MH648A

    • Manufacturer: Anritsu
    • Model: MH648A

    Preamplifier High end frequency limit: 1.2GHz

    New Smyrna Beach, FL
  • Trusted Seller
    Signal Recovery 5187

    Signal Recovery 5187

    • Manufacturer: Signal Recovery

    Differential Voltage Preamplifier High end frequency limit: 1.1MHz | Gain: x10, x100 or x1000 switch selectable | Noise figure: N/A

    New Smyrna Beach, FL
  • Trusted Seller
    Signal Recovery 5113

    Signal Recovery 5113

    • Manufacturer: Signal Recovery

    Low-Noise Voltage Preamplifier High end frequency limit: 1.0MHz | Gain: N/A | Noise figure: N/A

    New Smyrna Beach, FL
  • Trusted Seller
    Stanford Research Systems SR445A

    Stanford Research Systems SR445A

    • Manufacturer: Stanford Research
    • Model: SR445A

    Quad 350 MHz Preamplifier High end frequency limit: 350.0MHz | Gain: x5, x25, x125 | Noise figure: N/A

    New Smyrna Beach, FL
  • Trusted Seller
    Stanford Research Systems SIM914

    Stanford Research Systems SIM914

    • Manufacturer: Stanford Research
    • Model: SIM914

    DC to 350 MHz bandwidth Two independent amplifier channels Voltage gain of 5 (14 dB) per channel 3 ns overload recovery Excellent phase linearity BJT Voltage Preamplifier

    New Smyrna Beach, FL
  • Trusted Seller
    Stanford Research Systems SR240A

    Stanford Research Systems SR240A

    • Manufacturer: Stanford Research
    • Model: SR240A

    DC to 350 MHz Preamplifier High end frequency limit: 350.0MHz | Gain: 5 | Noise figure: N/A

    New Smyrna Beach, FL
  • Trusted Seller
    Keysight / Agilent / HP

    Keysight / Agilent / HP 8447A

    • Manufacturer: Agilent - Keysight
    • Model: 8447A

    Preamplifier, 100kHz to 3 GHz High end frequency limit: 400.0MHz | Gain: 20 dB | Noise figure: < 7 dB

    New Smyrna Beach, FL
  • Trusted Seller
    Keithley 428-PROG

    Keithley 428-PROG

    • Manufacturer: Keithley
    • Model: 428

    2µs rise time 1.2fA rms noise Up to 1011 V/A gain IEEE-488 interface Fast response at low current levels Incorporates a second-order Bessel-function filter that minimizes noise without increasing rise time on hig...

    New Smyrna Beach, FL
  • Trusted Seller
    Signal Recovery 181

    Signal Recovery 181

    • Manufacturer: Signal Recovery

    Current Sensitive Preamplifier Bandwidth: 200.00kHz | Gain [v/a]: 10^9

    New Smyrna Beach, FL
  • Trusted Seller
    Keithley 428

    Keithley 428

    • Manufacturer: Keithley
    • Model: 428

    Programmable Current Amplifier Bandwidth: 175.00kHz | Gain [v/a]: 1x10^3 to 1x10^11

    New Smyrna Beach, FL
  • Trusted Seller
    Keysight / Agilent / HP

    Keysight / Agilent / HP 83051A

    • Manufacturer: Agilent - Keysight
    • Model: 83051A

    Ultra broadband to 50 GHz Up to 16mW output power Compact size Works with 87421A 25W Power Supply Microwave System Amplifier, 45 MHz to 50 GHz

    New Smyrna Beach, FL
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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.