Ah, that's something I didn't realise, many thanks Phil!
Max
Philip Tyler wrote:
> Hi
>
> I don't know about the performance of the Samson unit, but both the Rolls=
and Art units seem to perform excellently judging by the tests Rob has car=
ried out.
>
> But it might be worth pointing out that both the Rolls and Art phantom un=
its can be powered from 'internal' batteries, looking at the PDF for the Sa=
mson it looks like it can only be powered by an external DC supply which pl=
ugs into it's DC in which you could do. But as the Rolls and Art devices ha=
ve space for internal batteries it would make for a neater unit?
>
> Phil
>
>
>
>
> ----- Original Message ----
> From: oatcruncher <>
> To:
> Sent: Thursday, 29 May, 2008 10:08:53 AM
> Subject: [Nature Recordists] Re:External mic suggestions for Olympus LS-1=
0
>
>
> In relation to this, does anyone on the group have experience
> of/knowledge of S-phantom power supplies as per this link please?
> http://www.samsonte ch.com/products/ productpage. cfm?prodID=3D 1747
> Max
>
> --- In naturerecordists@ yahoogroups. com, Rob Danielson <>
> wrote:
>
>> At 4:49 PM -0700 5/28/08, peter rhalter wrote:
>>
>>> The Denecke PS-2 - Portable Dual 48V Phantom Power Supply is
>>>
> another
>
>>> option. You will also need a double XLR to 3.5mm cable. If the LS-
>>>
> 10
>
>>> provides plug-in power, you may need to either turn it off or
>>>
> block
>
>>> it to avoid added hum.
>>> Peter
>>>
>>>
>> Hi Peter--
>> Yes, I can confirm there is a possibility of hum. I found that the
>> Denecke PS-2 unit can generate a hum when used with some recorders
>> that have Power in Plug (PIP) mic inputs. I got a loud hum with all
>> of the Sony and Sharp consumer products I tested and the capacitors
>> needed to eliminate it (block the DC) affected LF response more
>>
> that
>
>> I would have wanted. The PS-2 may work with the LS-10, but it
>>
> might
>
>> be wise to make sure that you can return the unit in case it
>>
> doesn't.
>
>> I know it seems like using a $40-70 device between expensive mics
>>
> and
>
>> a recorder doesn't make sense monetarily, but Eric Benjamin bench
>> tested the Rolls unit and found that it will not introduce noise
>>
> even
>
>> when used with the the lowest noise, low impedance mics and lowest
>> noise recorders. I A/B'd the Rolls and Art and found there is no
>> audible difference in the noise performance between the two. Both
>> units produce 48 volts.
>>
>> Curt Olson reported that he removed the Art Phantom II's printed
>> circuit board from the metal case (and also left behind the two XLR
>> outputs) with no ill effects to make it a much smaller unit.
>>
>> The phantom supplies do require considerable power so you might
>>
> want
>
>> to consider making a 10 X AA cell (NiMH rechargeable? ) sled if you
>> want to record or monitor for long periods of time. Rob D.
>> --
>>
>>
>
>
>
>
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