.

Tube Compatibility Chart for Woo Audio Amplifier

.

www.WooAudio.com

.


The following chart is a limited survey of tube compatibility for all Woo Audio amplifiers. These tube models are direct substitute without having the need to modify the unit. They have been verified so you can use them safely on your amplifier. Some of the tubes require tube adaptor to work properly.

.

Please fill out this form if you know any tube missing from the chart,. We will verify it and update the chart accordingly.

.

https://spreadsheets.google.com/viewform?formkey=dDQ2X18zUTRGc2JDazIyYnNMWnRnbkE6MQ

.

We offer various Teflon tube adapter for almost all models.

Warning: this chart applies to the Woo Audio products only. Please consult your amplifier's maker for verification.

.

.

ModelVacuum TubeAdapterComment

.

6922 *No

.

6DJ8No

.

6N1PNo

.

7DJ8No

.

7308No

.

WA2 / WA3DriverE188CCNo

.

E88CCNo

.

E288CCNo

.

ECC88No

.

CCaNo

.

EZ80 *No

.

6CA4No

.

WA2Rectifier6V4No

.

EZ81No

.

U709No

.

6080 *No

.

421ANo Greater power. Western Electric branded.

.

5998No Greater power

.

6AS7No

.

WA2 / WA3 / WA22Power6H13CNo

.

6N5PNo

.

7236No Greater power

.

2399No

.

6520No

.

6SN7 * /GT /WGTNo

.

5692No

.

6CG7YesA 9-pin to 8-pin adapter is needed.

.

6F8GYesA 8-pin to 8-pin adapter with Grid wire is needed.

.

WA22 / WA5 / WA5LEDriver7N7YesA 8-pin to 8-pin loctal adapter is needed.

.

CV181No

.

CV1988No

.

ECC32No

.

VT231No

.

5U4G * /BNo Directly Heated

.

274AYesDirectly Heated, a 4-pin to 8-pin adapter is needed.

.

274BNo Directly Heated

.

53KUNoDirectly Heated

.

5AR4No Indirectly Heated

.

5AS4No Directly Heated

.

5Z4No Indirectly Heated

.

5R4 /GA /GB /GY /GYA /GYB /WGA /WGBNo Directly Heated

.

5U3CNo Directly Heated

.

WA22 / WA5 / WA5LERectifier5V4 /G /GANo Directly Heated

.

WA6 / WA6SE5Y3No Directly Heated

.

5Z3YesDirectly Heated, a 8-pin to 4-pin adapter is needed.

.

6106NoDirectly Heated

.

83YesDirectly Heated, a 8-pin to 4-pin adapter is needed.

.

GZ30No Indirectly Heated

.

GZ32No Indirectly Heated

.

GZ33No Indirectly Heated

.

GZ34No Indirectly Heated

.

GZ37No Indirectly Heated

.

CV378NoIndirectly Heated

.

U52No Directly Heated

.

U54No Directly Heated

.

WE422ANoIndirectly Heated

.

6DE7 *No

.

6CY7No WA6-SE shipped prior April 17, 2010 is not compatible.

.

6EW7No

.

WA6 / WA6SEDriver/Power6EM7YesA 8-pin to 9-pin adapter is needed.

.

6DR7No WA6-SE shipped prior April 17, 2010 is not compatible.

.

6DN7/6GL7YesA 8-pin to 9-pin adapter is needed.

.

6FD7No WA6-SE shipped prior April 17, 2010 is not compatible.

.

6SN7YesFor WA6 only. A 8-pin to 9-pin adapter is needed.

.

5692YesFor WA6 only. A 8-pin to 9-pin adapter is needed.

.

WE 300B *No

.

EML 300B / XLSNo

.

Treasure 300BNo

.

Sophia 300BNo

.

WA5 / WA5LE300B Power TubeEAT 300BNo

.

EH 300BNo

.

JJ 300BNo

.

Shuguang 300BNo

.

Svetlana 300BNo

.

Takatsuki 300BNo

.

6SL7 *No

.

6188/6SU7No Tungsol branded only

.

Driver12AX7YesA 9-pin to 8-pin adapter is needed.

.

CV1985No

.

ECC35No

.

VT229No

.

EL34 *No

.

6CA7No

.

PowerKT88No

.

KT66No

.

6550No

.

5AR4 *No Indirectly Heated

.

WES5Z4No Indirectly Heated

.

GZ30No Indirectly Heated

.

RectifierGZ32No Indirectly Heated

.

GZ33No Indirectly Heated

.

GZ34No Indirectly Heated

.

GZ37No Indirectly Heated

.

U54No Indirectly Heated

.

12AU7 *No

.

ECC82No

.

ECC802SNo

.

Phase Splitter5814No

.

5963No

.

6189No

.

7316No

.

12AX7 *No

.

ECC83No

.

ECC803SNo

.

12BZ7No

.

GESDriver12AD7No

.

5751No

.

7025No

.

7058No

.

B339No

.

B759No

.

Power6S4 *No

.

.

* This is the label engraved on the unit.

.

* Last updated March 10, 2014