Siemens D3a – 4 Pcs
- ✅ Type: D3a
- ✅ Brand: Siemens
- ✅ Getter Type: Ring Getter
- ✅ Structure: Grey Plate
- ✅ Origin: Made in U.S.A
- ✅ Condition: New in White Box
- ✅ Quantity: 4 Pieces (Matched Quad)
- ✅ Tested on: Amplitrex AT1000 Advanced Digital Tube Tester
Test Results
| Sr. No. | Ia (mA) | Gm (mA/V) |
| 5078027 | 8.6 | 22.10 |
| 5078001 | 9.7 | 23.77 |
| 5078009 | 9.8 | 24.80 |
| 5078015 | 9.4 | 22.70 |
About This Tube
The Siemens D3a is a premium high-transconductance pentode, well known for its exceptional clarity, low noise, and linear response.
Highly regarded in high-end preamplifiers, phono stages, and audio circuits, the D3a delivers outstanding precision and musical detail, making it a favorite among audiophiles and tube enthusiasts.
⚠️ Custom duties and taxes are the responsibility of the buyer in their country.
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