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Building a Pearl 2
Building a Pearl 2
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Old 11th March 2019, 04:16 AM   #1281
gigigirl is offline gigigirl
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Yep, may be the best way, if I return the one sent me & get them to send an 18 V trans. Then I would get between 25 & 29 VDC, just depending on how many volts the trans is when it arrives back. Thanks for your help.
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Old 11th March 2019, 05:06 AM   #1282
Ben Mah is online now Ben Mah  Canada
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An 18V transformer is probably too low. The voltage after the DC supply under load but before the regulator may be around 24V or so, leaving not enough headroom for the 24V regulator to do its thing. See post #1 - the recommended minimum is 22V (shown in power supply schematic).
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Old 11th March 2019, 12:23 PM   #1283
McQuaide is offline McQuaide  United States
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Quote:
Originally Posted by gigigirl View Post
Yep, may be the best way, if I return the one sent me & get them to send an 18 V trans. Then I would get between 25 & 29 VDC, just depending on how many volts the trans is when it arrives back. Thanks for your help.
Cheers

Just build it stock according to the schematic - I built one recently and it's pretty simple to do. The regulated supply will also work as 6L6 said but it's overkill.
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Old 11th March 2019, 07:31 PM   #1284
6L6 is offline 6L6  United States
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Building a Pearl 2
Use what you have. Will work great.
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Old 14th March 2019, 04:47 AM   #1285
gigigirl is offline gigigirl
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Default Happy Chappy at last

We Guy's finally got there, and thanks McQuaide it sounds fantastic. I had been using a A/K AD797 up until this one. The Pearl is certainly superior in the base region, much more impact full, which I like as I am a base freek. To early to tell about the remaining frequency spectrum. Certainly my Temaad Merlin Titanium arm & Goldring Eroica L are making some glorious sound.

Cheers & thanks for all your help everybody.
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Old 14th March 2019, 01:21 PM   #1286
McQuaide is offline McQuaide  United States
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Originally Posted by gigigirl View Post
We Guy's finally got there, and thanks McQuaide it sounds fantastic. I had been using a A/K AD797 up until this one. The Pearl is certainly superior in the base region, much more impact full, which I like as I am a base freek. To early to tell about the remaining frequency spectrum. Certainly my Temaad Merlin Titanium arm & Goldring Eroica L are making some glorious sound.

Cheers & thanks for all your help everybody.
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