Re: [Elecraft] D 104 mic with K2

2005-09-28 Thread David Pratt
In message <[EMAIL PROTECTED]>, "John [K7SVV]" <[EMAIL PROTECTED]> writes On their Web page, Astatic does not give the value of the Base to Collector resistor value in the first stage of the the preamp but they do for the same resistor in the second stage. Have you any idea what it might be?

Re: [Elecraft] D 104 mic with K2

2005-09-28 Thread John [K7SVV]
used (2N, etc). > > Ron AC7AC > > > > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of W3FPR - Don Wilhelm > Sent: Tuesday, September 27, 2005 5:13 PM > To: [EMAIL PROTECTED]; elecraft@mailman.qth.net > Subject: RE: [E

RE: [Elecraft] D 104 mic with K2

2005-09-27 Thread Ron D'Eau Claire
PM To: [EMAIL PROTECTED]; elecraft@mailman.qth.net Subject: RE: [Elecraft] D 104 mic with K2 The D 104 mic (unamplified version) needs to look into a very high impedance (50k ohms or greater). That mic was developed in the days of vacuum tubes with mic amplifier input inpedances in the 50k to 1

RE: [Elecraft] D 104 mic with K2

2005-09-27 Thread W3FPR - Don Wilhelm
KI6WX increased gain mod of the KSB2 - which is what I use). 73, Don W3FPR > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] > Sent: Tuesday, September 27, 2005 7:39 PM > To: elecraft@mailman.qth.net > Subject: [Elec

[Elecraft] D 104 mic with K2

2005-09-27 Thread K9ut
I would like to try the D 104 Mic. (crystal element ) in the K2 . I remember a circuit posted on the reflector on this , can anyone help ? Thanks ,72, 73, Jerry Uhte K9UT K2 # 1273 ___ Elecraft mailing list P