Philips Miniwatt ECC81 NOS Matched Pair
NOS
Matched Pair (2 Pcs)
Grey Plate
Small Ring Getter
Matched Pair (2 Pcs)
Grey Plate
Small Ring Getter
Available for purchase is a premium matched pair of 2 pcs Philips Miniwatt ECC81 vacuum tubes. These authentic Made in Holland valves feature the classic Grey Plate construction and Small Ring Getter. These New Old Stock (NOS) units are highly regarded for their musicality and reliable performance in high-end audio applications.
- Type: ECC81 / 12AT7 Brand: Philips Miniwatt
- Condition: New in White Boxes Construction: Grey Plate
- Origin: Made in Holland Testing: Amplitrex AT1000
Laboratory Matched: Each tube has been screened on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory bogey targets.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1952029 | T1 | 10.0 | 7.6 | 76.00% | 5500 | 4800 | 87.27% |
| T2 | 10.0 | 7.2 | 72.00% | 5500 | 4770 | 86.73% | |
| 1952018 | T1 | 10.0 | 8.0 | 80.00% | 5500 | 5020 | 91.27% |
| T2 | 10.0 | 8.0 | 80.00% | 5500 | 4860 | 88.36% |
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