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Bottlehead Forum > Bottlehead Kits > Seduction > wait 30 seconds before turning on amp?
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denti alligator
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« on: December 12, 2011, 04:42:36 PM »
I just installed the C4S kit. At the end of the instructions there is this note:

"Always turn on Seduction and wait 30 seconds before turning on amp or preamp."

Why? What will happen if I don't?
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- Sam

"Life without music would be a mistake." - Friedrich Nietzsche

Rega P3-24 (Ortofon 2M Red) / Seduction w/ C4S / Denon 2930CI (CD/SACD/DVD-A) / S.E.X. Amp w/ C4S / Klipsch Forte II / Sennheiser HD-600s
Grainger49
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« Reply #1 on: December 12, 2011, 05:10:47 PM »
There will be a thump.  As the circuit powers up a little DC leaks through the output cap.  It is drained by the resistors on the output RCA jacks.  If your preamp or integrated amp is on the DC produces a thump.  It can be bad depending on the amp and the speakers.
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Grainger Morrison,

Mozzie quote: Sacred cows make the best hamburgers!

Remember, YOU are the only one who needs to be happy with the sound of your system.

Eros (Mods Have Begun!)/FP-2/Paramour 1/upgrades to all - PS Audio Regenerator, Triangle Zerius Speakers, BA Sub
matthewmckay
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« Reply #2 on: December 12, 2011, 05:54:59 PM »
mine just makes a baby "thud" in the speakers...

which is very, very different from the horrific "SNAP" that
the quickie makes when it gets turned off/on in the wrong order.
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Paul Joppa
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« Reply #3 on: December 12, 2011, 07:02:22 PM »
Seduction makes different, and often very loud, noises if it as the C4S upgrade.

Before anyone asks ... :^) ... of course we could put time delay relays for muting in, But it would raise the cost quite a bit, and entry-level high end is very important to us.  Just sayin' ...
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Paul Joppa
Grainger49
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« Reply #4 on: December 13, 2011, 04:31:26 AM »
It is much cheaper to turn them on and off in sequence.  There should be a FAQ sticky in the general folder that addresses these questions. Shoot, I'll start one in my folder and get David to sticky it.
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Grainger Morrison,

Mozzie quote: Sacred cows make the best hamburgers!

Remember, YOU are the only one who needs to be happy with the sound of your system.

Eros (Mods Have Begun!)/FP-2/Paramour 1/upgrades to all - PS Audio Regenerator, Triangle Zerius Speakers, BA Sub
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