My pleasure Klas, I'm glad you're continuing to help people!
Max
Klas Strandberg <> wrote:
>Thanks for the link, Max!
>
>Yes, some older mic's were great for music and loud SPL but didn't
>fit naturesound. I remember that I somehow helped some people coming
>over that problem.
>
>Klas
>
>At 12:49 2013-08-21, you wrote:
>>Hi Umashankar!
>>Very many thanks for your detailed and informing reply. On the basis
>>of your information, I was brave enough to try again my CM-300 with
>>initially the omni capsule. To my bemusement it worked perfectly. I
>>then changed to the CP-4 shotgun capsule, and this worked perfectly
>>also, with no nasty initial noises. I then tried my iRig with ME-66
>>but still no go; absolutely dead. But now to confession time; I had
>>totally forgotten that I had to use a lead/connector adaptor between
>>the iRig lead and LS-10!!!!! I'm feeling unabashedly, cringingly
>>stupid about this, and apologise to the whole group for this lapse.
>>I will of course put it down to a prolonged 'senior moment'!!
>>In a way I'm sorry I found out, because I was just about to buy a
>>new recorder!
>>Once again my apologies to you Umashankar. One thing I did find in
>>my net trawling was the following link which you may find of
>>interest, if you weren't aware of it already; it mentions our
>>friend Klas. See reply #11 here:
>>http://www.groupdiy.com/index.php?topic=3D27274.0
>>Cheers
>>Max
>>
>>
>>--- In umashankar <>
>wrote:
>> >
>> > dear max
>> >
>> > this is a reply to both this and your next message.
>> >
>> > I will first tell you what I know of the cm 300 - I own and have
>> dismantled a few. it is a very good all round microphone, with low
>> noise. input sensitivity is dependent on battery voltage, and it
>> needs an unusual cylindrical nine volt battery. I used to make mine
>> out of rechargeable button cells used in older computer
>> motherboards. The cm 300 has a transformer output, with a standard
>> xlr male termination.
>> >
>> > you can in fact use it balanced into a mixer. or unbalanced with
>> a quarter inch jack (into a Sony TCD5M cassette recorder), an XLR
>> pair to stereo 1/8 inch jack (to a WMD6 and later a minidisc
>> recorder). I guess you can wire it to any unbalanced input if you
>> have the right jacks. . you should have no trouble wiring pin 2 to
>> tip and 1 and 3 to shield. if you are using a standard 3 pin 1/8 in
>> jack, you have the option of connecting both pins of the jack to
>> the pin 2 connection to get dual mono. with a four pin jack there
>> are unfortunately a few variations. my suggestion would be to
>> connect a bare jack, put on headphones, and see which pins are
>> active. you solder the wire from pin 2 (of the xlr) to them. it is
>> likely that two of them are headphone outputs, and only one is the
>> microphone input.
>> >
>> > it is unlikely you have damaged your inputs. it is possible of
>> course to cause physical damage by forcing a two pin 1/8 in jack
>> into a 4 pin socket but I do not think so. and the nakamichi does
>> not put out any output voltage or draw any, so there is no
>> possibility of damage to the electronics.
>> >
>> > umashankar
>> >
>> > umashankar
>> >
>> > From: Max <>
>> > To:
>> > Sent: Tuesday, August 20, 2013 6:43 PM
>> > Subject: [Nature Recordists] Re: Nakamichi CM-300
>> >
>> >
>> > Hi Umashankar,
>> > I was hoping to hear from you. What I need to know is, do I have
>> to maintain the wiring of the original lead (pin 2 to tip, pin 1
>> and 3 jumpered together to shield), to use with my LS-10 direct?
>> > Cheers
>> > Max
>> >
>> > --- In umashankar <umashanks@>
>wrote:
>> > >
>> > > nakamichi cm 300 is a transformer output balanced microphone.
>> it is 9 volt battery powered, but phantom voltages will not damage
>it.
>> > >
>> > > umashankar
>> > >
>> > > From: "brini@" <brini@>
>> > > To:
>> > > Sent: Tuesday, August 20, 2013 3:50 PM
>> > > Subject: [Nature Recordists] Re: Nakamichi CM-300
>> > >
>> > >
>> > > Max,
>> > >
>> > > I don't know this mic and haven't used an LS-10 so I'll be brief.
>> > >
>> > > The mic has an unbalanced output which means one wire is
>connected to
>> > > ground. Make sure you don't have phantom power on as this will
>put 48V
>> > > across the input as it is no longer "phantom". Phantom power is
>> 48V applied
>> > > equally to both input wires with respect to ground.
>> > >
>> > > To make the mic "balanced" or "floating" which would isolate the
>signal
>> > > wires from ground, you would need a mic transformer in circuit.
>Balanced
>> > > means equal plus and minus inputs and floating means these
>> inputs have no
>> > > connection with ground.
>> > >
>> > > One way to check it out would be to wire the mic with loose lesds
>or
>> > > whatever into the live inputs without a ground connection. You
>> will get hum
>> > > and interference but it may give a clue to whether a transcformer
>would
>> > > help.
>> > >
>> > > David Brinicombe
>> > >
>> > >
>> > >
>> > > ------------------------------------
>> > >
>> > > "While a picture is worth a thousand words, a
>> > > sound is worth a thousand pictures." R. Murray Schafer via Bernie
>Krause.
>> > >
>> > > Yahoo! Groups Links
>> > >
>> > >
>> > >
>> > >
>> >
>> >
>> >
>> >
>> > ------------------------------------
>> >
>> > "While a picture is worth a thousand words, a
>> > sound is worth a thousand pictures." R. Murray Schafer via Bernie
>Krause.
>> >
>> > Yahoo! Groups Links
>> >
>> >
>> >
>> >
>>
>>
>>
>>
>>------------------------------------
>>
>>"While a picture is worth a thousand words, a
>>sound is worth a thousand pictures." R. Murray Schafer via Bernie
>Krause.
>>
>>Yahoo! Groups Links
>>
>>
>>
>Telinga Microphones, Botarbo,
>S-748 96 Tobo, Sweden.
>Phone & fax int + 295 310 01
>email:
>website: www.telinga.com
>
>
>
>
>
>------------------------------------
>
>"While a picture is worth a thousand words, a
>sound is worth a thousand pictures." R. Murray Schafer via Bernie
>Krause.
>
>Yahoo! Groups Links
>
>
>
--
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
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