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REGULATOR .... Which one to buy ? Does year matter?

Started by MaxyMax, March 01, 2021, 06:03:38 PM

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mr72

#20
March 17, 2021, 06:37:31 AM Last Edit: March 17, 2021, 06:38:09 AM by mr72
I have built a lot of stuff, including hand-made high end boutique guitar amplifiers, with parts made in China. You can get whatever parts you want to build a thing. You want to put it together with barely-adequate or substandard parts? You can get those made in China. You want to overbuild it with parts that will last forever? Those parts are also available, also made in China. I mean, I just did a mod on a 20+ year old Vox AC30 where the stock cathode resistors, which were not only too small of a value but also too small wattage rating, were literally burning the circuit board they were mounted on in use. I replaced the two (likely made in China) 5W 100 ohm wirewound, sand-cast resistors with one (definitely made in china) 25W 67 ohm aluminum-body chassis mount resistor screwed straight to the chassis and wired to the tube socket with a 20AWG wire as God intended, rather than on a PCB. Korg (Vox parent co) could have put 5W 150 ohm resistors on the PCB and just like they did with the 100 ohm, and it would have worked fine for many more decades. But they haven't bothered to update the AC30TB design since the 60s, even though line voltage is 20% higher now. Point is, this is a design problem, not a component problem.

Anyway, with a reg/rect you don't know what's inside. So as Buddha says, you roll the dice when you buy a cheap one. Who knows if it's designed correctly to handle the heat and duty cycle for this particular use? At least with an OEM part, even an OEM part from another motorcycle manufacturer, you know that there is an actual track record of them being used for years in the real world. But an aftermarket replacement part has no such track record.

herennow

#21
March 19, 2021, 02:03:03 AM
Just google the different forums. there are lots of recommendations of cheap regrecs that have proven to be good. In the britbike forums I'm a member of there is a specific cheap unit made/sold for Hondas that is use by lots of folks and has a great reputation.
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