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SV6550-C Pinout
basing pinout

 

SV6550-C Substitutes
Different rating or performance 6550, 6550A, 6550B, 6550C, CK6550, CV5220, KT88, KT88S, KT88SC, KT90

Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application.

 

SV6550-C Ratings
Vh
V
Ih
A
VaMax
V
Vg2Max
V
VhkMax
V
PaMax
W
Pg2Max
W
IkMax
mA
6.3 1.6 600 400 +300/-200 35 6 175

 

SV6550-C Application Data
Class Va
V
Vg2
V
Vg1
V
Ia
mA
Ig2
mA
S
mA/V
Zout
Ω
Pout
W
THD
%
A S/E 400 225 -22 87 - 105 4 - 18 9.5 3,000 12 5

 

SV6550-C Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 6550: html
Peter Millett 6550: Acrobat PDF 100K
The Valve Museum KT88: html
Frank Philipse (Wildcat mirror - Jörg Jan Münter) SV6550C: 6550C.pdf (51387 bytes)  6550: 6201.pdf (902849 bytes), 6550.pdf (135652 bytes), 6550.pdf (421187 bytes)  6550A: 6550A.pdf (606171 bytes)  KT88: KT88.pdf (236209 bytes), KT88.pdf (434345 bytes), KT88.pdf (633155 bytes), KT88spec.pdf (70096 bytes), KT88_GEC.pdf (9774126 bytes)  KT90: KT90.pdf (67175 bytes)
TubeZone KT90: pdf
Wikipedia 6550: Wikipedia page

Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details

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