Philips Miniwatt ECC81/12AT7 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.
- Type: ECC81 / 12AT7 Brand: Philips Miniwatt
- Condition: New in White Boxes Construction: Grey Plate
- Origin: Made in Holland Testing: Amplitrex AT1000
Precision Laboratory Screening: Fully tested on the Amplitrex AT1000 for Plate Current (Ip) and Transconductance (Gm) against factory bogey targets.
⚠️ International Buyers: Custom duties and taxes are the responsibility of the buyer in their country.
| Sr. No. | Test Triode | Parameter Ip (mA) | Result Ip (mA) | Percentage Ip | Parameter Gm (uMhos) | Result Gm (uMhos) | Percentage Gm |
|---|---|---|---|---|---|---|---|
| 1952011 | T1 | 10.0 | 9.8 | 98.00% | 5500 | 5560 | 101.09% |
| T2 | 10.0 | 9.4 | 94.00% | 5500 | 5690 | 103.45% | |
| 1952019 | T1 | 10.0 | 8.3 | 83.00% | 5500 | 5350 | 97.27% |
| T2 | 10.0 | 8.6 | 86.00% | 5500 | 5350 | 97.27% |
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