June10,2011©2011WOOAUDIO
tm
Inc.All
rightsreserved.
www.wooaudio.co m Rev1.0.June10,2011. 11
Compatible Tubes
Model# Adapter Note
Driver/Power
6DE7* No
6CY7 No WA6‐SEshippedpriorApril17,2010isnotcompatible.
6EW7 No
6EM7 Yes A8‐pinto9‐pinadapterisneeded.
6DR7 No WA6‐SEshippedpriorApril17,2010isnotcompatible.
6DN7 Yes A8‐pinto9‐pinadapterisneeded.
6FD7 No WA6‐SEshippedpriorApril17,2010isnotcompatible.
6SN7 Yes ForWA6only.A8‐pinto9‐pinadapterisneeded.
5692 Yes ForWA6only.A8‐pinto9‐pinadapterisneeded.
6DE7* No
6CY7 No WA6‐SEshippedpriorApril17,2010isnotcompatible.
6EW7 No
6EM7 Yes A8‐pinto9‐pinadapterisneeded.
6DR7 No WA6‐SEshippedpriorApril17,2010isnotcompatible.
6DN7 Yes A8‐pinto9‐pinadapterisneeded.
6FD7 No WA6‐SEshippedpriorApril17,2010isnotcompatible.
6SN7 Yes ForWA6only.A8‐pinto9‐pinadapterisneeded.
5692 Yes ForWA6only.A8‐pinto9‐pinadapterisneeded.
Rectifier
5U4G*/B No DirectlyHeated
274A Yes DirectlyHeated,a4‐pinto8‐pinadapterisneeded.
274B No DirectlyHeated
53KU No DirectlyHeated
5AR4 No IndirectlyHeated
5AS4 No DirectlyHeated
5Z4 No IndirectlyHeated
5R4/GA/GB/GY No DirectlyHeated
5U3C No DirectlyHeated
5V4/G/GA No DirectlyHeated
5Y3 No DirectlyHeated
5Z3 Yes DirectlyHeated,a8‐pinto8‐pinadapterisneeded.
GZ30 No IndirectlyHeated
GZ32/33/34 No IndirectlyHeated
GZ37 No IndirectlyHeated
CV378 No IndirectlyHeated
U52 No IndirectlyHeated
U54 No DirectlyHeated
* The most current chart can be found in this document:
http://tinyurl.com/4wbv5qn