Thanks Dan.
After a modem-hour on the net I'm still not sure if Sony MZ-R501 provides
plug in power.
Some sites say, "digital and line in" other say "digital in" and most say
nothing at all except how cheap they sell it.
So who knows? Or can some web-skilled person with broadband find it?
Klas.
At 14:32 2003-12-11 -0800, you wrote:
>Klas wrote,
>
>> >What do I mean Plug In Power?? It is a mini phantom-power giving DC to the
>> >microphones.
>
>And Wayne responded,
>
>>That's what I thought you might be asking, but I wanted to make sure. I
>>know of any portable MiniDisc recorder (other than HHB's, which is much
>>larger) that provides phantom power. This is true of a lot of the
>>portable DAT recorders as well. As a general rule of thumb, if it doesn't
>>have XLR connectors, it probably doesn't provide phantom power. The
>>recorders still might provide some sort of bias voltage, but I typically
>>think of phantom power as 48 VDC (Although a lot of microphones can work
>>on a range of voltage other than 48 volts).
>
>You didn't understand what Klas meant when he said "mini
>phantom-power." "Plug in power" is a system that I believe Sony
>invented in the early 70s, and is now pretty much ubiquitous in
>mini-stereo mic inputs. The input supplies a couple of volts to bias
>the FET impedance converter in an electret mic capsule. It's just for
>the FET, it isn't used to polarize the capsule, which is permanently
>polarized in an electret mic. So it's -like- phantom power, in that
>the mic inputs feeds power to the mic, but it -isn't- phantom power.
>Pro mikes need XLR connectors and real phantom power. Consumer
>electret mikes without batteries are designed to work with plug in
>power. Two different species.
>
>While I'm on the subject, there's also T power or A-B power, the
>first through-the-XLR condensor mic powering system, invented in the
>60s. There are a lot of T-power Schoeps mics still in use, and some
>Sennheisers, too, but manufacturing of that type stopped soon after
>phantom power caught on. T-power is not compatible with phantom power
>or plug in power, it's yet another species. You'll see T power as a
>selection on equipment made for the motion picture industry, like
>Cooper and SQN mixers.
>
>-Dan Dugan
>
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