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Nobsound Vacuum Tube Amplifier Bias Current Probe Tester (EL34, KT88, KT66) (KT100, KT120, CT1-C)

Perfect for precise and easy tube current measurement.

Frowse Rating8.3/10

This cathode current probe is designed for testing a wide variety of vacuum tubes, including EL34, KT88, and 6L6, making it essential for audio technicians and hobbyists. With an easy-to-use interface, it allows for immediate reading of the bias current in milliamps, ensuring precise measurements without complicated setups. Constructed with durable materials, including a copper body and gold-pinned ceramic socket, it provides reliable performance for your testing needs.

  • Compatible with multiple vacuum tube types: EL34, KT88, 6L6, and more.
  • Direct milliamps readings for efficient bias current testing.
  • Assembled probe included for immediate use; no additional setup required.
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Frowse Rating 8.3/10

Best for: Audio enthusiasts and technicians

Our Review

The Nobsound Vacuum Tube Amp Amplifier Plate Bias Current Probe Tester stands out for its compatibility with a variety of vacuum tubes, making it an essential tool for audio enthusiasts and technicians alike. This accessibility ensures that both experienced professionals and hobbyists can utilise it effectively in their amplifier setups.

Constructed with a durable copper body and a ceramic socket featuring gold pins, this probe is designed for longevity and reliability. This combination of durability and ease of use makes it a reliable choice for anyone requiring frequent bias adjustments.

Overall, the Nobsound Probe is highly recommended for anyone looking to simplify their tube biasing process while ensuring accuracy. It provides excellent value for money and enhances the performance of tube amplifiers with its straightforward operation and robust design.

What we like

  • Universal compatibility with multiple vacuum tube types
  • Easy-to-use interface for quick setup and measurements
  • High-quality construction with durable materials
  • Direct readings in milliamps for efficient testing
  • Comprehensive package ready for immediate use

Our verdict

Perfect for precise and easy tube current measurement.

Product Details

Product Details

The Nobsound Vacuum Tube Amplifier Bias Current Probe Tester is a practical tool for accurately measuring the cathode current of various vacuum tubes. It supports prominent tube types including EL34, KT88, 6L6, 6V6, 5881, 6550, KT66, KT100, KT120, and 7027, making it a versatile choice for different amplifier setups.

How to Use:
1. Turn off your amplifier.
2. Remove the tube.
3. Insert the probe.
4. Connect the black banana plug to the COM jack of your multimeter.
5. Connect the red banana plug to the mA jack of your multimeter.
6. Insert the tube into the probe’s socket.
7. Set your multimeter to the mA range (most common is 200mA).
8. Turn on your amplifier.
9. Allow the tube to warm up.
10. Read the current directly in mA.
11. Reverse the steps to finish your testing.

Packing List

The package includes:
1 x assembled plate current probe, ready for immediate use.

Specifications

  • Parcel Dimensions: 15.39 x 15.19 x 5.11 cm; 9.07 g
  • Date First Available: May 3, 2018
  • Manufacturer: Nobsound
  • Place of Business: ShenZhen, GuangDong 518110, CN
  • ASIN: B07CR43D1R
  • Item Model Number: GFB1170
ASIN:
B07CR43D1R
Brand:
Douk Audio
MPN:
GFB1170

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