Up For Sale: 1 Pc 
Shipping Charges: $35
For bulk or quantity requirements, feel free to Email us atSylvania 12AU7A / ECC82 — NOS Tested (Grey Plate)
Grey Plate
Ring Getter
Low Noise
Made in USA
Ring Getter
Low Noise
Made in USA
The Sylvania 12AU7A is a classic American-made tube prized for its longevity and clean, balanced sonics. This NOS unit features a grey plate and ring getter construction, offering excellent stability for high-fidelity audio and guitar preamps.
- Type: 12AU7A / ECC82
- Brand: Sylvania
- Condition: NOS – Original Box
- Construction: Grey Plate
- Getter: Ring Getter
- Testing: Amplitrex AT1000
Premium Quality: Genuine Sylvania production with exceptional test results.
Sonic Signature: Detailed, neutral, and transparent — a perfect upgrade for any 12AU7 socket.
Equivalents: 12AU7, ECC82, 5814, 6189.
Serial Number: 2489001 (Matched to Amplitrex record).
Test Status: Excellent. Strong mutual conductance (Gm) and tight section balance.
⚠️ Custom duties & taxes are the buyer’s responsibility.
| Sr. No. | Test | Ia (mA) | Gm (uMhos) |
|---|---|---|---|
| 2489001 | T1 | 10.8 | 2200 |
| T2 | 10.4 | 2100 |
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