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Used teste

  • Trusted Seller
    Stanford Research Systems SR445A

    Stanford Research Systems SR445A

    • Manufacturer: Stanford Research
    • Model: SR445A
    • High frequency limit: 0.35 GHz

    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
    • High frequency limit: 0.35 GHz

    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
    • High frequency limit: 0.35 GHz

    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
    • High frequency limit: 0.4 GHz

    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
    • High frequency limit: 50 GHz

    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
  • Trusted Seller
    AR Worldwide 30W1000B

    AR Worldwide 30W1000B

    • Manufacturer: AR Worldwide
    • High frequency limit: 1 GHz

    Low Power RF amplifier 30 Watt CW, 1-1000 MHz Frequency range - high: 1.00GHz | Output - compression: 27 W | Gain: 45.0dB

    New Smyrna Beach, FL
  • Trusted Seller
    AR Worldwide 250W1000A

    AR Worldwide 250W1000A

    • Manufacturer: AR Worldwide
    • High frequency limit: 1 GHz

    Mid Power RF amplifier 250 Watt CW, 80-1000 MHz Frequency range - high: 1.00GHz | Output - compression: 255 W | Gain: 54.0dB

    New Smyrna Beach, FL
  • Trusted Seller
    AR Worldwide 150W1000

    AR Worldwide 150W1000

    • Manufacturer: AR Worldwide
    • High frequency limit: 1 GHz

    Mid Power RF amplifier 150 Watt CW, 80-1000 MHz Frequency range - high: 1.00GHz | Output - compression: 120 dB | Gain: 52.0dB

    New Smyrna Beach, FL
  • Trusted Seller
    AR Worldwide 10W1000C

    AR Worldwide 10W1000C

    • Manufacturer: AR Worldwide
    • High frequency limit: 1 GHz

    Low Power RF amplifier 10 Watt CW, 500 kHz-1000 MHz

    New Smyrna Beach, FL
  • Trusted Seller
    AR Worldwide 250AP250A

    AR Worldwide 250AP250A

    • Manufacturer: AR Worldwide
    • High frequency limit: 0.25 GHz

    Mid Power RF amplifier 250 Watt CW, 250 Watt Pulse, 5-250 MHz

    New Smyrna Beach, FL
  • Trusted Seller
    AR Worldwide 100A250A

    AR Worldwide 100A250A

    • Manufacturer: AR Worldwide
    • High frequency limit: 0.25 GHz

    Low Power RF amplifier 100 Watt CW, 10 kHz-250 MHz

    New Smyrna Beach, FL
  • Trusted Seller
    Sick AOD-P1 Amplifier Unit A0D-P1

    Sick AOD-P1 Amplifier Unit A0D-P1

    • Manufacturer: Sick

    $525 USD
    Eaton Rapids, MI
2223242526

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.