2 x NOS tubes Telefunken RFT EF86 6267 matched pair
Our users rate Reverb
Tested on noise and microphonics: very quiet tubes
FYI: These tubes are measured in autobias mode according the manufacturer data sheet.More information you find at the end of this describtion
2 x tubes EF86 6267
printed Telefunken, production RFT germany
Testet with EF806s parameters
Robust tubes, tested for microphony and noise
Matched pair with high emission
Emission = S/gm 2,300 + 2,320 (100% = 2,00mA/V >> tolerence<1,600...2,400>)
Produced RFT plant Germany
Tested with RoeTestV11 for all significant parameters like gas - vacuum - shorts
Measuring device used: RoeTestV11.
Measurement mode: Autobias as specified by the manufacturer.
In autobias mode the tube is measured with a constant anode current. This corresponds to the application in the device.
Note: Most tubes offered on ebay are tested with a fixed grid bias voltage. Such a measurement contains a general system error. The desired result in the application is therefore purely random.
| Listed | 3 days ago |
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| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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Product safety information may be available here.
