Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: spunko on June 20, 2024, 02:54:47 pm

Title: Replace zener diode with a voltage regulator? Fender Performer 650
Post by: spunko on June 20, 2024, 02:54:47 pm

Is it posible to replace a zener diode (1N5353B - 16V) with a voltage regulator? Is there any other option?

Today I got this Fender Performer 650 with a bad 1n5353 and you can't find one in my country, I have to order overseas, seat and wait. The problem is that the owner needs the amp for this weekend.
I want to help him to save some money and not rent another amplifier.

Thanks.

Title: Re: Replace zener diode with a voltage regulator? Fender Performer 650
Post by: sluckey on June 20, 2024, 03:26:24 pm

You can put zeners in series to get 16v. You could do two or three. For example one 10V zener in series with a 6V zener will regulate at 16V. The 1N5353B is a five watt zener so you must use five watt replacements.

Title: Re: Replace zener diode with a voltage regulator? Fender Performer 650
Post by: spunko on June 21, 2024, 07:36:31 pm

Thank you very much. I have ordered a bunch of 1n5353b. I went to all the stores in my city, they only sell 1/5w zeners, also asked in stores from another city, no results. 😔
Now wait like a month or so  :dontknow:

Title: Re: Replace zener diode with a voltage regulator? Fender Performer 650
Post by: Latole on June 22, 2024, 03:23:42 am

Easier to replace ( and cheaper ) to buy new zener than a regulator