CEI ECC82 12AU7 Matched Pair — NOS NIB
NOS NIB
Ring Getter
Grey Plate
Amplitrex Tested
Ring Getter
Grey Plate
Amplitrex Tested
Up for sale is a premium matched pair of genuine CEI ECC82 12AU7 vacuum tubes. These are New Old Stock NOS units in their original factory boxes. Manufactured in England, these tubes feature classic Grey Plate construction and a Ring Getter. This pair has been thoroughly screened and verified on our Amplitrex AT1000 for precision performance.
- Type: ECC82 12AU7
- Brand: CEI
- Condition: New in Original Box
- Origin: Made in England
- Testing: Amplitrex AT1000
- Quantity: 2 Pieces
Sonic Profile: English-made ECC82 tubes are prized for their musicality, offering a warm, lush midrange and a smooth top end characteristic of classic British valve production.
⚠️ Note: Custom duties & taxes are the buyer’s responsibility for international shipping.
| SR. NO. | Test Triode | Parameter Ip (mAdc) | Result Ip (mAdc) | % Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | % Gm |
|---|---|---|---|---|---|---|---|
| 2175001 | T1 | 10.5 | 10.8 | 103% | 2200 | 2050 | 93% |
| T2 | 10.5 | 10.4 | 99% | 2200 | 2100 | 95% | |
| 2175002 | T1 | 10.5 | 8.6 | 82% | 2200 | 1900 | 86% |
| T2 | 10.5 | 6.8 | 65% | 2200 | 1600 | 73% |
About Audio Tubes Shop
We specialized in thoroughly tested and screened quality vacuum tubes. We have been in the valve and tube business since the 1970s. Our inventory is screened using premium equipment including the Amplitrex AT1000.
✉️ For technical inquiries, please Email us at [email protected]
Whatsapp: +1 (630) 597-3966
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