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Beckman 5963 Long Grey Plate Yellow Ink Amplitrex Tested Qty 2 Pcs

$36.00

Up For Sale 2 Pcs

Tube: Beckman 5963

Price: $36

Shipping Charges: $35

✉️ For bulk or quantity requirements, feel free to Email us at
[email protected]

Availability: 2 in stock

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Beckman 5963 — Premium Matched Pair

Long Grey Plate
Top Ring Getter
Clear Glass
Industrial Grade

The Beckman 5963 is a high-performance industrial variant of the 12AU7/ECC82. These vintage black-plate tubes are renowned for their rugged construction and exceptional sonic clarity, carefully matched for critical audio balance.

  • Type: 5963
  • Brand: Beckman
  • Printing : Yellow Ink
  • Construction: Long Grey Plate
  • Getter: Top Ring
  • Testing: Amplitrex AT1000

Premium Quality: Rare industrial Beckman labeling with rugged internal supports.

Sonic Signature: Fast, detailed, and clean with the characteristic “Black Plate” depth.

Equivalents: 12AU7, ECC82, 5814, 6189.

Matching Grade: Precision balanced stereo pair with strong Gm tracking.
⚠️ Custom duties & taxes are the buyer’s responsibility.
Sr. No. Test Triode Parameter Ip mAdc Result Ip mAdc Results in Percentage Ip mAdc Parameter Gm Result Gm (uMhos) Results in Percentage Gm(uMhos)
4773001 T1 10.5 9.2 87.6% 2200 2400 109.1%
T2 10.5 9.0 85.7% 2200 2400 109.1%
4773002 T1 10.5 10.6 101.0% 2200 2580 117.3%
T2 10.5 9.2 87.6% 2200 2300 104.5%

✉️ For bulk or quantity requirements, feel free to Email us at
[email protected]

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