|[AMRadio] Kenwood MC-50 mike with AM gear|
cw_de_n5op at sbcglobal.net
Wed Jan 7 15:32:57 EST 2015
FWIW, the MC-60 has a switch that allows me to select either 500 or 50k ohms impedance. I've tried both: selecting 500 requires that I increase the input gain on the Globe Champ a bit but that's about the only difference.
"People that make music together cannot be enemies, at least as long as the music lasts." -- Paul Hindemith
> On Jan 7, 2015, at 11:32, <manualman at juno.com> wrote:
> The Hi-Z on the MC-50 is 50K not 5K.
> Pete, wa2cwa
> On Wed, 07 Jan 2015 07:35:46 -0600 Geoff <ars.w5omr at gmail.com> writes:
>> After a fashion, I suppose...
>> The issue is, that the Low and High impedance choices on the MC-50
>> 500 and 5000 ohms.
>> Typical 6AU6/12AX7 input impedance is upwards of 500,000 to 1
>> Depending on how well stocked your junk box is, you may already have
>> A 10:1 transformer (120/12v) can take the 5000 ohm impedance and
>> bump it
>> up closer to what the older tube gear is looking for.
>> Gotta love Electronics... "The Exacting Science of approximation."
>> -73 = Best Regards,
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