Hi Toby,

I believe older filter modules have a lower output level, certainly my
A-121 which I got out of storage the other day is quiet compared to my
A-124 and A-102. So may be normal!

Martin

Sent from my iPhone

On 18 Oct 2012, at 10:50, "toby.smith123" < toby.smith123@... >
wrote:

> hi,
>
> my a-121 seems quiet in comparison to everything else.
>
> is there a trim for the gain on the inside
>
> thanks
>
>

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