JAN CWL-12AU7 Westinghouse 337 1959 Long Black Plate D-Getter Low Noise Tested
USD 49.95 USD
Specifications
| Brand | westinghouse |
| Type | Vacuum Tube |
| Model | 12au7a |
Test Results: Mu/Gain: 16.2 / 16.7 Transconductance: 1.59 / 1.50 mA/V Noise: -84.8 / -85.4 dB Microphonics: Low microphonics — the tap is audible when the tube is tapped, but it dies out quickly with no ringing or excessive feedback