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SOLVED - Is the power AC or DC?

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Hi There,

I have 2x Studio Channels and I'm totally confused as the back of one states 12V but the other states 16VAC.

The power adapter for the 12V unit states DC which is totally confusing as the online specs I've found all state the adapter should be AC.

Has the power changed between production runs or is something screwy with my second unit?

Cheers, Ben
- FAIRLY NEW TO S1, MIGRATED FROM LOGIC
- STUDIO ONE PRO 5.5.1
- FOCUSRITE CLARETT 8 Pre (THUNDERBOLT 2)
- OSX 11.6.1, 8-CORE MACBOOK PRO, 64GB RAM
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by Trucky on Mon May 01, 2023 7:37 pm
It's AC.

16 VAC / 1000mA

Image
PLEASE ADD YOUR SYSTEM SPECS TO YOUR SIGNATURE.
Download the SO 6 PDF MANUAL. Access your MY.PRESONUS account.
OVERVIEW of how to get your issue fixed or the steps to create a SUPPORT TICKET.
Needs to include: 1) Subject 2) Description 3) Country 4) Product 5) OS 6) Audio Software

Windows 11 Pro 64-bit (22H2), Studio One 6.5 Professional | Notion 6.8.2 | Universal Control v4.1.0.93124
Intel NUC 13 (Intel i5-1340P, Intel Iris Xe Graphics, 32GB RAM, 2TB SSD, SIII 32
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by ben67 on Mon May 01, 2023 9:51 pm
Thanks for that, I did find that info and my first unit has 1VAC printed on the back but the rear of my second unit states 12V and the adapter is definitely a 12v DC adapter.

Has anyone seen this before?
- FAIRLY NEW TO S1, MIGRATED FROM LOGIC
- STUDIO ONE PRO 5.5.1
- FOCUSRITE CLARETT 8 Pre (THUNDERBOLT 2)
- OSX 11.6.1, 8-CORE MACBOOK PRO, 64GB RAM
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by Trucky on Mon May 01, 2023 11:00 pm
Use a voltmeter to check it.
PLEASE ADD YOUR SYSTEM SPECS TO YOUR SIGNATURE.
Download the SO 6 PDF MANUAL. Access your MY.PRESONUS account.
OVERVIEW of how to get your issue fixed or the steps to create a SUPPORT TICKET.
Needs to include: 1) Subject 2) Description 3) Country 4) Product 5) OS 6) Audio Software

Windows 11 Pro 64-bit (22H2), Studio One 6.5 Professional | Notion 6.8.2 | Universal Control v4.1.0.93124
Intel NUC 13 (Intel i5-1340P, Intel Iris Xe Graphics, 32GB RAM, 2TB SSD, SIII 32
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by ben67 on Mon May 01, 2023 11:23 pm
Thanks for that but I don't understand exactly how to do that - attached is a pic of the back, definitely 12V DC

I got this second unit second-hand and the 12V DC adapter works with it. I initially connected the the 16V AC adapter form my other unit which didn't work, then freaked but it still works.

Anyway, it seems PreSonus has switched to DC which is a bummer because my AC tube guitar pedals sound much better than my DC ones so have always assumed AC had more power for tubes (I realise it's probably sending DC to the tube anyway).

Will have to compare the sound.

Cheers
Attachments
new-channel-strip-power.jpg
- FAIRLY NEW TO S1, MIGRATED FROM LOGIC
- STUDIO ONE PRO 5.5.1
- FOCUSRITE CLARETT 8 Pre (THUNDERBOLT 2)
- OSX 11.6.1, 8-CORE MACBOOK PRO, 64GB RAM
Link to this post { REPLY }
User avatar
by Trucky on Tue May 02, 2023 6:18 am
Here's what mine looks like so they must have changed it in production...
Image

For clarification, please submit a Support Ticket (see link below in my signature.
PLEASE ADD YOUR SYSTEM SPECS TO YOUR SIGNATURE.
Download the SO 6 PDF MANUAL. Access your MY.PRESONUS account.
OVERVIEW of how to get your issue fixed or the steps to create a SUPPORT TICKET.
Needs to include: 1) Subject 2) Description 3) Country 4) Product 5) OS 6) Audio Software

Windows 11 Pro 64-bit (22H2), Studio One 6.5 Professional | Notion 6.8.2 | Universal Control v4.1.0.93124
Intel NUC 13 (Intel i5-1340P, Intel Iris Xe Graphics, 32GB RAM, 2TB SSD, SIII 32
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