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Upgrade my Speck ASC EQ Powersupply Equalisers (HW)
Old 31st August 2011
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ltjohnrambo's Avatar

Upgrade my Speck ASC EQ Powersupply

So I've got a pair of the Speck ASC-T EQs, and I really love them. For the price there's nothing out there that really compares.

What I have noticed is they can be a tad noisy (hiss not hum) when boosting a lot.

They come with a wall-wort style power supply. So my question is, would upgrading/replacing the power supply have any effect on the noise floor? Has anyone tried something like this on these EQs?
Old 1st September 2011
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ltjohnrambo's Avatar

Nobody has tried this?
Old 1st September 2011
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fhames's Avatar

I have a pair of ASC T's and have never encountered the noise you mentioned. Is the gain control at unity, (12:00 o'clock)?

Bryant - Hames Music
Old 2nd September 2011
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ltjohnrambo's Avatar

I'd have to try some settings again, but I think I'm mostly hearing the hiss when I'm boosting the high-end. The gain knob could be at unity or lower in this case. It's not a whole lot of hiss, but it definitely adds more noise than some of my other EQs (specifically the Great River EQ2NV).

It's by no means an unusable amount of noise, and probably not even apparent in a full mix, but I thought it might be a fun/beneficial diy project.
Old 2nd September 2011
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vince @ speck's Avatar

Increasing the VA size of the power module will not solve excessive hiss. The internal power supply (and its external power transformer) is already overrated and will power up to 3 ASC units.
Old 2nd September 2011
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ltjohnrambo's Avatar

Thanks for the reply Vince. I didn't realize that the external piece was only the transformer, but that makes complete sense.

As I mentioned, I really love this EQ. Do you guys have any plans on branching out into compressors/limiters? I would definitely be interested in that!
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