Title imageTitle image




6S18S (6С18С) Pinout
No information available


6S18S (6С18С) Substitutes
Close or identical 6S33S*

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.


6S18S (6С18С) Ratings
Vh Ih VaMax VhkMax PaMax IkMax Notes
6.3 6.6 250 300 45 x 2 350 x 2 Vg1 max = -150V
12.6 3.3


6S18S (6С18С) Application Data
Class Va Ia Ra S Rk
A 120 560 80 40.0 35


6S18S (6С18С) Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 6S33S*: html
Duncan''s Amp Pages 6S33S*: Acrobat PDF (1 page)
oldradio.qrz.ru 6S18S*: html page
TUBES.RU 6C33C: html

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

All content on this page is copyright 1997-2017 Duncan Amplification.

Version: PHP release 1.12 02/10/2017