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Used detectors

  • 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
    EG&G / PAR Model 5202

    EG&G / PAR Model 5202 Lock-In Amplifier 0.1-50MHz, Princeton

    • Manufacturer: Princeton

    The EG&G / PAR Model 5202 Lock-In Amplifier is a high-quality testing instrument designed for precise measurements in the frequency range of 0.1-50MHz. Manufactured by EG&G, a reputable brand known for producing ...

    $600 USD
    Ridgefield, WA
  • Toptica Photonics BoosTA Pro Semiconductor

    Toptica Photonics BoosTA Pro Semiconductor Laser Amplifier + DC HP Diode Control

    • Manufacturer: Toptica

    “Recently removed from large lab closure. Set does not appear to have seen much use. In great condition and ready for your lab. Please make sure this works for your needs before purchase.” This listing is for one...

    Sparks, NV
  • Amplifier Research FP5240

    Amplifier Research FP5240

    • Manufacturer: Amplifier Research

    “NEW BATTERY PACK” EVERYTHING SHOWN IN THE PICTURES IS INCLUDED. NEW BATTERY PACK. 001 RULES for INTERNATIONAL BIDDERS 1. Seller reserves a right to cancel a transaction and refund the payment of a non US registe...

    $4,999 USD
    Menlo Park, CA
  • Trusted Seller
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    Princeton Applied Research 5101

    • Manufacturer: Princeton
    • Model: 5101

    5 Hz to 100 kHz Lock-In Amplifier The 5101 Lock-in Amplifier enables the accurate measurement of signals contaminated by broad-band noise, power line pickup, frequency drift or other sources of interference. The ...

    Cary, NC
  • Trusted Seller
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    EG-G 5101

    • Manufacturer: EG-G

    5 Hz to 100 kHz Lock-In Amplifier The 5101 Lock-in Amplifier enables the accurate measurement of signals contaminated by broad-band noise, power line pickup, frequency drift or other sources of interference. The ...

    Cary, NC
  • Trusted Seller
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    PAR 5101

    • Manufacturer: Par

    5 Hz to 100 kHz Lock-In Amplifier The 5101 Lock-in Amplifier enables the accurate measurement of signals contaminated by broad-band noise, power line pickup, frequency drift or other sources of interference. The ...

    Cary, NC
  • Trusted Seller
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    Princeton Applied Research 126

    • Manufacturer: Princeton

    0.2 Hz to 210 kHz Lock-In Amplifier The 126 Lock-In Amplifier is a high-performance amplifier or phase sensitive detector, incorporating synchronous detection to recover a coherent signal buried in high ambient n...

    Cary, NC
  • Trusted Seller
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    Princeton Applied Research 181

    • Manufacturer: Princeton

    Low-Noise Current Preamplifier The PAR EG-G 181 is a Current-To-Voltage Preamplifier of low noise and low input impedance designed to amplify the extremely low low currents encountered in such areas as photometry...

    Cary, NC
  • Trusted Seller
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    EG-G 181

    • Manufacturer: EG-G

    Low-Noise Current Preamplifier The PAR EG-G 181 is a Current-To-Voltage Preamplifier of low noise and low input impedance designed to amplify the extremely low low currents encountered in such areas as photometry...

    Cary, NC
  • Trusted Seller
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    PAR 126

    • Manufacturer: Par

    0.2 Hz to 210 kHz Lock-In Amplifier The 126 Lock-In Amplifier is a high-performance amplifier or phase sensitive detector, incorporating synchronous detection to recover a coherent signal buried in high ambient n...

    Cary, NC
  • Trusted Seller
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    Signal Recovery 181

    • Manufacturer: Signal Recovery

    Low-Noise Current Preamplifier The PAR EG-G 181 is a Current-To-Voltage Preamplifier of low noise and low input impedance designed to amplify the extremely low low currents encountered in such areas as photometry...

    Cary, NC
  • Trusted Seller
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    Ametek 181

    • Manufacturer: AMETEK Powervar

    Low-Noise Current Preamplifier The PAR EG-G 181 is a Current-To-Voltage Preamplifier of low noise and low input impedance designed to amplify the extremely low low currents encountered in such areas as photometry...

    Cary, NC
  • Trusted Seller
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    Amplifier Research FM2000

    • Manufacturer: Amplifier Research
    • Model: FM2000

    Close Field Meter The Bird 4041 Field Strength Meter expands the capabilities of the Model 43, 43P and 4431 as well as other Bird wattmeters with 30 uA meters by helping to optimize the radiated signal of any tra...

    Cary, NC
  • Trusted Seller
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    Stanford Research Systems SR240A

    • Manufacturer: Stanford Research
    • Model: SR240A

    350MHZ Preamplifier The Sranford Research model SR240A 350 MHz Preamplifier is a 4-channel, DC-coupled instrument with a gain of 5 per channel. The amplifiers can be used independently or cascaded to provide gain...

    Cary, NC
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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.