According to QST:

"Reduced receiver sensitivity below 500kHz
...

*Preamp off/on: 505 kHz, –121/–128 dBm; 137 kHz, –116/–95 dBm; 30 kHz,
–77/–66 dBm.
The preamp does not improve sensitivity below approximately 250 kHz."

-- 
73 Warren K2ORS
                WD2XGJ
                WD2XSH/23
                WE2XEB/2
                WE2XGR/1


On Mon, Jul 20, 2009 at 1:22 PM, Roelof Bakker<[email protected]> wrote:
> Hello all,
>
> I am looking for information on the LF receiver performance of the new
> ICOM IC7200 transceiver. There seems to be a review in the June issue of
> QST.
> I don't have direct access to QST. Is there someone who has access to QST
> and can tell me if anything has been said about receiver sensitivity below
> 500 kHz?
>
> Even better is there someone on this list with first hands experience?
>
> Thank you in advance.
>
> Roelof Bakker, pa0rdt