> On Jan 10, 2020, at 1:01 PM, Grant Youngman wrote:
>
> Essentially as new KXPA100-AT-F. Serial: 2734. Includes power cable,
> KXUSB cable, and optional KXPACBL interface cable set. Total cost new —
> $1249.85 (w/o taxes, shipping).
>
> $950.00 (PayPal only) shipped. Shipping via
I missed that “the audio system” was hi-fi instead of communications audio.
wunder
Walter Underwood
wun...@wunderwood.org
http://observer.wunderwood.org/ (my blog)
> On Jan 10, 2020, at 3:35 PM, Fred Jensen wrote:
>
> Hmmm ... I've always thought 70V systems were designed for PA usage where
Hmmm ... I've always thought 70V systems were designed for PA usage
where BW is somewhat limited. Something about the transformers
saturating on the hi power in the extreme bass of quality
Hi-Fi/Stereo/HT systems? Not a professional however, easily could be wrong.
73,
Fred ["Skip"] K6DGW
On 1/10/2020 11:08 AM, Walter Underwood wrote:
If it is a long run, you might use a 70.7 V system with Cat 5 cable. Put
transformers on each end to run higher voltage (lower current) on the wire and
use cheap, good twisted pair.
Not a great idea if you care about low frequency response --
On 1/10/2020 6:02 AM, Randy Farmer wrote:
I've used Audioquest FLX-DB 14/2
A much cheaper solution is to buy two colors of THHN from your local big
box store, put one end of both cables in a bench vise, the other ends in
a portable drill, and twist (a LOT). Then set the drill down overnight
On 1/10/2020 5:15 AM, Lyn Norstad wrote:
Are you certain that the RF is entering your audio system via the speaker wires? There
are other possible points of entry that are more susceptible ... namely component
interconnects, AC power wiring and other "low level" access points. RF chokes
on
On 1/10/2020 12:09 AM, Clay Autery wrote:
that replacing the speaker wire with either simple twisted pair
This assumes that we're talking about passive loudspeakers, NOT those
with built-in power amps. Twisted pair. No need for shielding. If it's a
serious hi-fi system, use #10 or #12 to
Hi,
Are you sure that message wasn't "ERR PLL"? Do you have the older synth? It
has a PLL (phase locked loop) in it so that error message might make sense.
AB2TC - Knut
Ryszard Tymkiewicz wrote
> Bill..the message was on K3 screen and not any PC was connected...
>
> 73
What a blast, I just had my first QRP FT 8 contact with K3EEI on 15 m. I
used my Elecraft K2 that had the Fixed Audio mod board available from Dave
W8FGU.
My K 2 is the basic QRP radio not the 100 watt flavor.. It was neat to make
the contact and I used my RigBlaster Advantage along with it. I am
> On Jan 10, 2020, at 1:01 PM, Grant Youngman wrote:
>
> Essentially as new KXPA100-AT-F. Serial: 2734. Includes power cable,
> KXUSB cable, and optional KXPACBL interface cable set. Total cost new —
> $1249.85 (w/o taxes, shipping).
>
> $950.00 (PayPal only) shipped. Shipping via
If it is a long run, you might use a 70.7 V system with Cat 5 cable. Put
transformers on each end to run higher voltage (lower current) on the wire and
use cheap, good twisted pair.
https://en.wikipedia.org/wiki/Constant-voltage_speaker_system
Another approach would be to use line-level over
Selling my K3/100 SN 6010, comes with ATU, SUB, DVR, and a KBPF3 in main.
Has been upgraded with KIO3B, KSYN3A's
Comes with 13, 2.8, 2.1, .400, .200 filters in main with 2.7 and .400
filters
in SUB. Included USB and power cable, MH2, and KE7X book.
Asking $2,200 shipped in the lower 48
Howard
Aubrey,
I think you are referring to the KX3 Companion for Android by Andrea IU4APC.
I have tried this for lightweight operations.It woks by sending out
commands to KX3 in ASCII over serial.
Android<>OTG Adaptor<>Serial to USB<>KX3.
If you want the waterfall to work - which us optional -
Only on an amateur radio email reflector can one get censured for improper
query-discussion and in the same post receive a solution to their query..?
No.probably not just hams.
As ever,
Dick - KA5KKT
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Or with parallel zip cord, chuck one end in a vice and the other in the
electric drill. Pull it tight and turn it on and make your own
twisted pair. Be sure and keep it tight at all times. How many
twists? Depends on how long one hold the trigger down. About 10
turns per foot is
Essentially as new KXPA100-AT-F. Serial: 2734. Includes power cable, KXUSB
cable, and optional KXPACBL interface cable set. Total cost new — $1249.85
(w/o taxes, shipping).
$950.00 (PayPal only) shipped. Shipping via standard UPS Ground to lower 48 in
original carton. AK, HI, PR, or
I am thinking of selling my paddle. What is a reasonable price?
Thanks,
Dave, K4TO
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Post:
Clay,
You'll get more meaningful feedback if you move this RFI discussion
to the RFI reflector. The Elecraft reflector is the wrong place for it.
https://www.contesting.com/FAQ/rfi
If you're using passive speakers as you implied in your email, a ferrite core
at each speaker connection
If the present speaker wire is nothing but some kind of parallel
conductor zip cord, you have a good chance of fixing the problem by
replacing it with a twisted pair geometry cable (no shield or ferrites
required). I've used Audioquest FLX-DB 14/2 with good success with a
hi-fi system located
Take a look at
http://www.arrl.org/Radio-Frequency-Interference-rfi
There are several links there that may help you. I’ve had some success
using ferrite toroids.
73, Ted, W2ZK
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Home:
Are you certain that the RF is entering your audio system via the speaker
wires? There are other possible points of entry that are more susceptible ...
namely component interconnects, AC power wiring and other "low level" access
points. RF chokes on all such cables may be necessary.
That
I would get some mix 31 beads or cores large enough for several turns of
whatever wire you choose at each end of the runs. Those long wires make for
pretty good antennas.
On Fri, Jan 10, 2020, 02:11 Clay Autery wrote:
> OK... so I am knee deep in assembling and installing a subRX, et al.,
> but
OK... so I am knee deep in assembling and installing a subRX, et al.,
but got reminded by the XYL that I STILL have not addressed the signal
bleed into the audio system via the long runs of parallel conductor
speaker wires in the HT setup.
In order to maintain a high "SAF" (Spouse Acceptance
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