When used with internal battery all my k6 microphones have a sharp peak at
frequencies in the range 30 to 40 khz. Later i'll post the dB numbers. As i
record at 96k i prefer phantom power.
Gianni
Il giorno luned=EC 22 agosto 2011, Mitch Hill <> ha scritt=
o:
>
>
> On 8/21/2011 10:06 PM, Peter Shute wrote:
>> I'm using it with a PCM-M10, which only provides 3V plug in power. Would
that work with this microphone?
>>
>> Peter Shute
>>
>
> Peter,
>
> No, PIP power being 3 volts or less is not enough voltage to activate
> the voltage regulator circuit built into the K6 power module.
>
> I have never tested to see what the minimum voltage required by the K6
> is, I simply know the ME/K6 series mics will work with a Phantom power
> of 12 volts as that is what the SD 302 Mixpre supplies when set to its
> low Phantom power voltage setting. As I see no difference in the ME66
> microphone performance (sensitivity and self noise in my application)
> whether the Phantom power is set to 12 VDC or 48 VDC, I prefer to use 12
> VDC as having worked with hi-gain audio devices and voltage regulators
> in my career as an electronics design engineer, I know that when pushed
> hard, electronic regulators can generate noise so it makes sense to me
> to use the lower voltage which causes the regulator to operate more
> efficiently and should use less power to get the job done with less
> chance of generating noise.
>
> Frankly, I see no problem in using a good grade AA alkaline battery and
> do not worry about power from the recorder. One benefit in this is that
> a battery in a microphone will always be electrically quieter than any
> regulator in a recorder feeding voltage down a cable can ever be...
>
> Operating the ME66/K6 on its internal battery will give you better
> recorder battery life compared to using the recorder to power the
> microphone. According to Sennheiser, using the K6 internal AA reduces
> the mic sensitivity (gain) 3db but I don't see this myself in my
> operation with SD hi-gain, low noise preamps in front of the recorder
> and I prefer to use the K6 internal AA battery in place of the recorder
> mic power unless I'm running a very long recording session using the
> high capacity external DC power source for the recording gear. Under
> those conditions, recorder/preamp/microphone battery life is no longer
> an issue and Phantom power becomes practical...
>
> --
> --
> Mitch Hill
>
> (Sent from HP DV6T)
>
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