[Elecraft] First K2 is working in HA

[Arato Andras]

Hi,

Thank you all who answered me. Probably the cone rubbed to something. I
pressed on the membrane several times and the sound became loud and clear
just like in my external speaker! Now I don't need the extra speaker.

Thank you for helping.

73! de Andras HA5BDU K2 #2398

On Thu, 10 Jan 2002, Ron D' Eau Claire wrote:
>
> Here in the USA, several builders found that their loudspeakers had been
> damaged. The magnet is so heavy that rough handling somewhere during
> shipment bent the frame of the loudspeaker so the voice coil attached to the
> cone rubbed on the magnet. That will produce a scratchy sound. Is that what
> you hear?
>
> Elecraft replaced several speakers with this problem. I fixed mine by
> putting a wide screwdriver blade between the edge of the magnet and the
> frame and gently twisting it so I moved the magnet slightly, but not enough
> to make the frame stay bent. I could just see the edge of the magnet move
> one or two millimeters. I worked my way around the magnet gently trying each
> spot and at one place I found where twisting the screwdriver to move the
> magnet made the sound clear. I twisted a little harder to bend the frame
> slightly at that point and the sound stayed clear. It has been fine ever
> since.
>
> If the sound is distorted AND weak, make sure you have the loudspeaker wired
> correctly. If you reverse the wires going to the loudspeaker you will 'short
> out' the audio. That could cause distortion too, but you will also have very
> weak audio.
>
> Congratulations on your K2!
>
> 73,
>
> Ron AC7AC
> K2 # 1289