EC1000: Difference between revisions
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{{Vacuum Tube | |||
in measurement probes or microphones (used e.g. in early versions of the Neumann M149). | |Type=Triode | ||
|Number=8254 | |||
|EuroNumber=EC1000 | |||
|RussianNumber= | |||
|Part_nos= | |||
|Description=subminiature triode | |||
|Used_in=P6025;P6032; | |||
|Designers= | |||
}} designed for preamplifiers in measurement probes or microphones (used e.g. in early versions of the Neumann M149). | |||
Philips EC1000 = Mullard 8254 | |||
The EC1000 is used as the front-end cathode-follower in the [[P6025]] and [[P6032]]. | The EC1000 is used as the front-end cathode-follower in the [[P6025]] and [[P6032]]. | ||
| Line 23: | Line 33: | ||
==Links== | ==Links== | ||
* [ | * [[tube:ec1000|ec1000@ radiomuseum.org]] | ||
<gallery> | <gallery> | ||
Revision as of 15:33, 10 October 2021
The 8254 (European: EC1000) is a subminiature triode vacuum tube designed for preamplifiers in measurement probes or microphones (used e.g. in early versions of the Neumann M149).
Philips EC1000 = Mullard 8254
The EC1000 is used as the front-end cathode-follower in the P6025 and P6032.
Key Specifications
| Heater | 6.3 V, 185 mA |
|---|---|
| Anode voltage | 110 V max. |
| Anode power | 1.5 W max. |
| Transconductance | 14.5 mA/V @ 15 mA |
| Cathode current | 22 mA max. |
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| ? | 157-0100-00 | N/A |
