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Shuguang 12AX7B (ECC83)

JJ ECC83s (12AX7)
Stock Status:   In Stock
Product Code:   12AX7B
Product Condition:   New
Valve Testing Options
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The Chinese 12AX7B valve is a great choice for high gain guitar and hi-fi amps . It has a little more gain than the standard 12AX7A valve and lower noise.

These are  premium tested on specialised digital and analogue testing equipment by Karltone as follows  

  • Gain (A)
  • Transconductance (gm)
  • Noise (dbv)
  • Microphonics
  • Emission Quality
  • Grid Leakage
  • Shorts

     Test results are provided with purchase

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