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Old 16th September 2019, 05:16 AM   #21
Sadface is offline Sadface  New Zealand
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Trade Me there is a kit set available
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Old 16th September 2019, 07:52 AM   #22
K.A.B is offline K.A.B  Sweden
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Why triode?

GU50 is not that bad as pentode in pentode you will get all the power you need. If you go for triode try schade feedback then.
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Old 16th September 2019, 08:28 AM   #23
davorin is offline davorin  Croatia
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Two pieces of GU50 in PSE junction can deliver more than ~ 35W output power with very little internal resistance and low primary anode impedance (~ 1-1.25kOhms). With Shade feedback and a THD distortion criterion of ~ 2% output power can be greater than 25W (up to 30W!) so you should definitely try something like this.
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