31-10-2016, 08:44 PM
The Mazda U4020 arrived today from the Ebay vendor.
I've taking a close up picture of the lower part of the electrode structure. This confirms that this rectifier valve is a diode connected pentode. The links between the grids and anode can clearly be seen.
Geordie McBoyne.
I've taking a close up picture of the lower part of the electrode structure. This confirms that this rectifier valve is a diode connected pentode. The links between the grids and anode can clearly be seen.
Geordie McBoyne.







