Re: [Elecraft] Electret microphone for K3

2017-03-11 Thread Don Wilhelm
Alan, With the K3, you do not need a bias resistor at all. Just go to the MENU MIC SEL and set it to aply bias - that is what the 'b' means. 73, Don W3FPR On 3/10/2017 5:49 PM, Alan. G4GNX wrote: Sometime back I bought a W2ENY electret conversion kit for my Astatic mic but I seem to have los

Re: [Elecraft] Electret microphone for K3

2017-03-11 Thread Ian White
supply voltages, neither value is critical. 73 from Ian GM3SEK >-Original Message- >From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of >Alan. G4GNX >Sent: 10 March 2017 22:49 >To: Elecraft Reflector >Subject: [Elecraft] Electret microphone for K3

[Elecraft] Electret microphone for K3

2017-03-10 Thread Alan. G4GNX
Sometime back I bought a W2ENY electret conversion kit for my Astatic mic but I seem to have lost the bias resistor/jumper that came with it and there’s no value specified in the instructions. I see that the bias resistor used with the Elecraft MH2 microphone is specified as 5K6. As I want to u