Description
Special quality pair 5814A twin triodes, military production, made by RCA in the USA
The 5814A is the typically American SPECIAL version of the 12AU7 double triode and, specifically, for Military use and therefore of HIGH quality, selection, constructive strength and general reliability. This is a Splendid PAIR of 5814A RCA, genuine made in the USA and, like almost all 5814 for Military or Laboratory supplies, given their excellent quality. 5814A RCA, structure withal getter on copper posts, glossy BLACK plate. This pair is “totally” Balanced! It stands out for its excellent quality and performances in AUDIO applications..
Sonics
The American RCA 5814A is highly regarded for it sound. I refer to the threads on the web for more information.
Test results*
This pair is “totally” Balanced! It stands out for its excellent quality and performances in AUDIO applications..
| Valve 1
V164 |
Ia (plate current):
Transconductance (Gm): Gas test, Shorts test: |
9,9/ 10,1 mA
2,2/ 2,2 mA/V OK |
= NOS
= NOS |
| Valve 2
V167 |
Ia (plate current):
Transconductance (Gm): Gas test, Shorts test: |
10,0/ 10,1 mA
2,2/ 2,2 mA/V OK |
= NOS
= NOS
|
Where NOS is : Ia = 8,7 to 12,5mA, Gm= 1,9 to 2,7 mA/V. Ia = 10,6 ± 1,9 mA. (Telefunken data sheet)
Short description
| Tube type | 5814A |
| Quantity of Tubes | One pair |
| Brand | RCA |
| Manufactured in | USA |
| Dates codes | 8-61 & 8-61 |
| Construction | Black plates |
| Getter Construction | Halo getter on copper post |
| Print Condition | See pictures |
| Box included | Military box |
| Equivalent tubes: | 12AU7, ECC802S, CV4003, 12AU7A |
| General test results | NOS |
