Re: [Elecraft] K2 audio output question

Thanks for the tip! 73 de Chuck, WS1L chandler...@gmail.com On Mon, Jan 4, 2021 at 12:35 PM Geert Jan de Groot wrote: > On 04/01/2021 04:13, elecraft-requ...@mailman.qth.net wrote: > > Is there a way to have both headphones and external speaker active at the > > same time? I'm thinking of be

Re: [Elecraft] K2 audio output question

On 04/01/2021 04:13, elecraft-requ...@mailman.qth.net wrote: Is there a way to have both headphones and external speaker active at the same time? I'm thinking of being able to have audio for visitors while still using headphones to copy. In addition to Don's response, you may want to look at t

Re: [Elecraft] K2 audio output question

My KX3 only has a Phones output and that won’t drive speakers well, so I use an off-the-shelf headphone splitter and a cheap audio amp that runs off 12 V. The details are here. https://observer.wunderwood.org/2017/03/04/speakers-for-my-elecraft-kx3/

Re: [Elecraft] K2 audio output question

Chuck, Yes, you can do that by soldering a jumper across the switch at the rear of the headphone jack. If you prefer not to add the jumper, plug stereo computer speakers into the headphone jack and plug your headphones into the headphone jack on the speaker. Try different computer speakers, so

Re: [Elecraft] K2 audio output low after upgrades

Hi Don, Thanks for the pointers. We've just spent half an hour working through all of the steps that Chloe had gone through to install the extras and we spotted a few joints that needed touching up from the previous owner's build. Just tested the radio and we're back to full audio output. Not

Re: [Elecraft] K2 audio output low after upgrades

Iain, I suspect it is not really an audio problem, but a problem somewhere in the receiver front end or IF or product detector. If the S-meter is less lively than before, the problem is prior to the Product Detector, but if the S-meter has the usual response, look at the product detector and

Re: [Elecraft] K2 Audio Output Mod

Ariel, There are very few places to check resistance. You should find a high resistance at all pins of the LM386 (except perhaps pin 6 which is the voltage rail and pin 4 which is ground. Note that all other pins have a capacitor and that will stop DC continuity - therefore giving a high resi

Re: [Elecraft] K2 Audio Output Mod

The last sentence should have stated "does not assure me .." Ariel NY4G Sent from my iPad On Oct 11, 2012, at 10:31 AM, "Ariel Jacala" wrote: > Using the N0SS printed circuit board I am using the plans Don Wilhelm > published in August 2009. Are there resistance checks I can do to assure

RE: [Elecraft] K2 Audio Output

Steve Kercel AA4AK wrote: "Does the K2 produce sufficient audio power to drive a set of Bose Quiet Comfort 2 noise cancelling headphones? Has anyone on the list tried Bose Quiet Comfort 2 noise cancelling headphones with a K2?" Steve, I use the Bose QuietComfort 2 noise cancelling headphones all