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Reply To: Power Supply For All!

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#132344
CIOKS power support
Member

Hi,

Regarding current draw, here’s a comment
from an Eventide technician:

waltz replied on 6 May 2010 9:18 PM

Our stated power requirements were based on an early
prototype and are overly conservative. We've done extensive testing and we have
updated the spec as follows:

MF, TF, and PF can operate from a 5W power source that supplies regulated 9 to
12VDC max.

The minimum required power ranges from a maximum of 4.5W at power up (all LEDs
lit) to about 3.6W in normal operation depending on how many LEDs are lit.

For a regulated 12VDC,

the current requirement is 380mA at power up and 300mA in normal operation. Do not
use unregulated 12V.

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For a regulated 9VDC,

the current requirement is 500mA at power up and 400mA in normal operation.

Regarding isolation:

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MicrosoftInternetExplorer4

All isolated sections are galvanically isolated.
This means each section has its own secondary winding on the transformer and its
own power supply circuit with rectifying, filtering, regulation and monitoring.

Regarding you specific needs:

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MicrosoftInternetExplorer4

You’re asking for a bit too much with 3 Factors,
a JamMan plus a 24V pedal. The Eventides need quite a lot of power and the same
is the case with the JamMan, but on top of it the JamMan needs an AC voltage to
operate. Then you have a 24V DC pedal also with quite high current draw. My
suggestion is therefore one DC10 and one AC10 for your rig. Even with the right
configuration of outlets with voltages and current ratings you need this can’t
be done in one unit having a 30VA transformer. Eventides need 3 x 0,3A x 12V =
approx.10,8W plus 24V x 0,2A = 4,8W, which gives 15,6W x 1,5 = 23,4VA, plus the
JamMan which needs approx 7VA, so that is just barely possible but with a
custom made transformer and a custom made everything else…

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