12BY7A: Difference between revisions
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{{Vacuum Tube | |||
|Type=Pentode | |||
|Number=12BY7A | |||
|EuroNumber=EL180 | |||
|RussianNumber= | |||
|Part_nos=154-047,154-0047-00 | |||
|Description=miniature 6.5 W power pentode | |||
|Used_in=106;163;524;531;533;535;536;541;543;535;545;545A;549;555;75;3A75;3B5; | |||
|Designers= | |||
}}. | |||
Both the 12BY7 and the slightly improved 12BY7A are all-glass types with a {{B9A base}} and share the EIA 9BF pinout with a number of other miniature pentode tubes of the era. | |||
{| class="wikitable" | |||
{{Checkedtubes TableHeader}} | |||
|- | |||
| [[531]], [[533]], [[535]], [[536]], [[541]], [[543]], [[545]], [[555]] || 157-0053-00 || ? | |||
|- | |||
| [[106]] || 157-0115-00 || Note 1 | |||
|} | |||
Note 1: Made obsolete soon after the number was allocated. | |||
{{Tube aging reference}} | |||
==Data sheets and Links== | |||
[[File:No64.png|right| 9BF socket diagram]] | |||
* [[Media:GE 12BY7A data sheet.pdf|General Electric 12BY7A data sheet]] | |||
* [[wikipedia:12BV7|12BV7 @ Wikipedia]] | |||
* [[tube:12by7|12BY7]] / [[tube:12by7a|12BY7A]] @ radiomuseum.org | |||
==Used in== | |||
* the output stage of the [[1121]] | |||
* the first stage of the [[535]], [[545|545A]], and [[555]] | |||
{{Part usage}} | |||
==Pictures== | |||
<gallery> | |||
12by7a 1.jpg | RCA/Tektronix 12BY7As | |||
12by7a 2.jpg | RCA/Tektronix 12BY7As | |||
12by7a 3.jpg | RCA/Tektronix 12BY7As | |||
</gallery> | |||
[[Category:Vacuum tubes]] | |||
[[Category:Pentodes]] | [[Category:Pentodes]] | ||
Revision as of 05:49, 21 September 2023
The 12BY7A (European: EL180) (P/N 154-047,154-0047-00) is a miniature 6.5 W power pentode vacuum tube.
Both the 12BY7 and the slightly improved 12BY7A are all-glass types with a B9A (Noval) miniature 9-pin base and share the EIA 9BF pinout with a number of other miniature pentode tubes of the era.
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| 531, 533, 535, 536, 541, 543, 545, 555 | 157-0053-00 | ? |
| 106 | 157-0115-00 | Note 1 |
Note 1: Made obsolete soon after the number was allocated.
Reference:
Data sheets and Links
- General Electric 12BY7A data sheet
- 12BV7 @ Wikipedia
- 12BY7 / 12BY7A @ radiomuseum.org
Used in
Some instruments using part 12BY7A
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 106 | Tektronix | Pulse generator | 106 | Pulse generator | 1966 |
| 163 | Tektronix | Plug-in | 163 | Pulse Generator Module | 1952 |
| 3A75 | Tektronix | Plug-in | 3A75 | 4 MHz amplifier plugin | 1964 |
| 3B5 | Tektronix | Plug-in | 3B5 | Automatic time base plug-in | 1966 |
| 524 | Tektronix | Oscilloscope | 524AD | TV waveform monitoring scope | 1953 |
| 531 | Tektronix | Oscilloscope | 531 | 10 MHz oscilloscope | 1954 |
| 533 | Tektronix | Oscilloscope | 533 | 15 MHz oscilloscope | 1958 |
| 535 | Tektronix | Oscilloscope | 535 | 10 (15) MHz dual-timebase scope | 1954 |
| 535 | Tektronix | Oscilloscope | 535 | 10 (15) MHz dual-timebase scope | 1954 |
| 536 | Tektronix | Oscilloscope | 536 | 11 MHz X–Y oscilloscope | 1957 |
| 541 | Tektronix | Oscilloscope | 541 | 30 MHz oscilloscope | 1955 |
| 543 | Tektronix | Oscilloscope | 543 | 30 MHz oscilloscope | 1958 |
| 545 | Tektronix | Oscilloscope | 545 | 30 (33) MHz oscilloscope | 1955 |
| 545A | Tektronix | Oscilloscope | 545A | 30 (33) MHz oscilloscope | 1959 |
| 549 | Tektronix | Oscilloscope | 549 | 30 MHz storage oscilloscope | 1965 |
| 555 | Tektronix | Oscilloscope | 555 | Dual beam 30 MHz scope | 1959 |
| 75 | Tektronix | Plug-in | 75 | 4 MHz amplifier plug-in | 1961 |
Pictures
-
RCA/Tektronix 12BY7As
-
RCA/Tektronix 12BY7As
-
RCA/Tektronix 12BY7As
