Pinnacle 13D5 (12AU7/ECC82) NOS Matched Pair – 2-Hole Plate Small Ring Getter
NOS Matched Pair
New In White Box
2-Hole Plate
Small Ring Getter
New In White Box
2-Hole Plate
Small Ring Getter
Offering a laboratory-matched pair of 2 pcs Pinnacle 13D5 premium dual triodes, Serial Nos. 4397001 and 4397019. These high-grade 12AU7 equivalents feature stable 2-Hole Plates and a Small Ring Getter. Both tubes are New Old Stock (NOS) in clean white boxes and have been fully characterized on the Amplitrex AT1000 Digital Tube Tester.
- Type: 13D5 (Premium 12AU7 / ECC82) Brand: Pinnacle
- Condition: New in White Boxes Construction: 2-Hole Plate / Small Ring Getter
- Testing: Amplitrex AT1000 Quantity: 2 Pcs (Matched Pair)
High-Performance Screening: These tubes demonstrate consistent emission across all triode sections.
Precision Characterization: Both units have been screened for balanced performance against reference parameters ensuring reliable operation in premium audio circuits.
Precision Characterization: Both units have been screened for balanced performance against reference parameters ensuring reliable operation in premium audio circuits.
⚠️ 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 |
|---|---|---|---|---|---|---|---|
| 4397001 | T1 | 10.5 | 8.2 | 78% | 2200 | 1560 | 71% |
| T2 | 10.5 | 7.6 | 72% | 2200 | 1400 | 64% | |
| 4397019 | T1 | 10.5 | 6.0 | 57% | 2200 | 1400 | 64% |
| T2 | 10.5 | 6.5 | 62% | 2200 | 1400 | 64% |
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