Title imageTitle image




VT88 Pinout
basing pinout


VT88 Substitutes
Close or identical 6R7, 6R7G, 6R7GT, CV1962, CV1963, CV1964, VT88A, VT88B

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.


VT88 Ratings
Vh Ih Cgk Cak Cga
6.3 0.3 2.6 5.2 2.4


VT88 Application Data
Va Vg1 Ia Ra S
250 -9.0 9.5 8,500 1.9


VT88 Data sheet links
National Valve Museum 6R7G: html
oldradio.qrz.ru 6R7: MK buizen handboek  6R7G: Brans Vademecum
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6R7: 6R7.pdf (101439 bytes), 6R7.pdf (116121 bytes), 6R7.pdf (39103 bytes), 6R7.pdf (55907 bytes) (fr)  6R7G: 6R7G.pdf (51092 bytes)  6R7GT: 6R7GT.pdf (26632 bytes)

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 1997-2022 Duncan Amplification. TTWWDIITWI

Version: PHP release 1.14 02-Nov-2019