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August 21, 2022 at 6:35 am in reply to: Mains voltage for big box pedals with attached AC cord? #192387The EH ManModerator
Running a 100v pedal at 120v increases the secondary voltage only slightly. The internal voltage regulators should be able to handle it.
August 19, 2022 at 4:17 pm in reply to: Mains voltage for big box pedals with attached AC cord? #192383The EH ManModeratorWhat you can do is unsolder the transformer leads from the PCB then plug the pedal in and measure the voltage on the unsoldered leads (just the solid color ones. There may be a striped center-tap that doesn’t need to be unsoldered for this). It should be around 24VAC. If it’s much lower than that then the transformer may be 100v. Really, as long as the secondary voltage is higher than the voltage regulator’s rating it’s not going to make much difference.
August 14, 2022 at 9:29 am in reply to: Mains voltage for big box pedals with attached AC cord? #192321The EH ManModeratorI’m not sure what ac plug style Japan uses but I’m going to say that if it has the US plug it’s likely 120v. You can look at the top of the transformer and see what it says. It may say “120” on it in the model number.
The EH ManModeratorA little heftier with current but will work fine.
The EH ManModeratorVintage EH pedals for the Canadian market used a 24vac adapter instead of a hard-wired AC cord. The mini-jack (1/8″ or 3.5mm) is likely correct.
The EH ManModeratorThis the transformer I use for US conversion:
The EH ManModeratorIt’s actually 9v DC. AC will destroy your pedal. Daisy chaining with other DC operated pedals should be fine. The pedal will only draw as much current as it actually needs, which is less than 100ma.
The EH ManModeratorUnfortunately, no.
The EH ManModeratorNever been able to find a schematic for that but here’s some info on it.
The EH ManModeratorIf I remember correctly, ALT switches between the two outputs and ON leaves one output on all the time and turns the other output on/off
The EH ManModeratorIf I remember correctly, ALT switches between the two outputs and ON leaves one output on all the time and turns the other output on/off
The EH ManModeratorI know. Mike assured me last year the forum would return , I assume in working order, but I’m not holding my breath anymore.
The EH ManModeratorYou can use the Triad F-115X. If you don’t need the center tap just tape it up.
The EH ManModeratorIt’s in the list I posted a link to.
The EH ManModeratorThe EHX MKD-350900100 will work for that but any 9vdc, 100mA power supply with a 3.5mm tip positive plug will work.
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