would drop out?
So I guess the correct sequence would be to press TUNE on the KAT500 and
then push TUNE on the K3 and the KPA500 would not KEY. Correct?
Why not have pushing TUNE on the KAT500 initiate the whole sequence...unkey
the KPA, start the TUNE on the K3 and tune?
-
Chuck, KE9UW
yes
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500
watt amp and tuner, so 1000 watts full scale would be perfect..
Too much to ask for. 0-2000 would be acceptable if it had the 3 ranges.
Definitely not single range analog meters like MFJ and Palstar have
Anyone know of a product like this?
Chuck KE9UW
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on the K3.
Turning the AFX on sounds great too.
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Tempting, but I already have one. These are expensive or I'd bid on it for
fun too. Should be an easy fix...maybe.
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I ordered a supply of the various screws at Elecraft just to have them at
hand incase one got away from me.
Also I can replace one that gets accidently worn a bit.
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upgrades.
Only the last firmware upgrade lists the details for that upgrade. And it’s
not easy to find...I forget where I saw it as I write this.
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swapped the digital voice recorder. So I was trying to be somewhat
frugal.
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Page 40 is blank. Says (In Progress)
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I have a question. How do you plug an early K Pod into a K4. Is there an RJ
plug to USB adapter and where/which USB socket do you plug it into on the
K4.
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I'll try these diagnostic ideas when it happens...it is pretty intermittant.
Thanks for the ideas. I hadn't thought about the computer hookup.
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I had that with a TenTec Omni when I placed the speaker/power supply next to
it
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Why the ferrite core? Isn't that the source of the loss?
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the KSYN3A and Fred Cady not require it for this
band pass filter mod?
Anybody have insight on this?
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In that the KPA3A has more pins carrying power, would an older K3 benefit
from a KPA3A? Are the pins already there and useable in the old K3?
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of the K3 to power the K POD.
None of this is mandatory. The cost of these updates would cost about $1100
in parts kits.
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Read page 19 of the pod owners manual which says have no connection to pin #1
and be sure that if you only remove the pin #1 connection at one end, be
sure that end is plugged into the K3(s).
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it seems
like an old friend.
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it
seems like an old friend.
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That cable supplied with the early P3 was a known troublesome cable. Best
replaced.
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Silicon is great, doesn’t melt if you drop hot solder on it.
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,
Chuck ke9uw
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suggestions?
Chuck
KE9UW
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Mine doesn't rattle. It comes apart fairly easily to check why.
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I was wondering if the K3 display could be replaced by an updated display,
one that looks like the ones on the newest rigs from Japan. Could it be
displayed on the monitor connected to the svga on P3? Just wondering :)
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Macro book? Where is it available?
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Thanks to the replies, I remember now some of the differences. Thanks for the
FAQ.
Looks like I might as well get a new radio if I am getting a new radio :)
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I was thinking of buying a K3s and making my original K3 a qrp rig. Maybe
selling it. Is there any reason to buy the new KPA3A and KAT2A instead of
moving the original KPA3 and KAT3 into the new K3s? Are the A versions
different?
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Could be. I don't have the new synthesizers but the noise is there they say.
And just cannot be heard because of the higher phase noise. Maybe my phase
noise is low or my fan electrical noise is high.
Thanks for the tip.
Chuck Hawley
c-haw...@illinois.edu
Amateur Radio, KE9UW
aka Jack, BMW
attle". Maybe I
always needed to have the TX GATE set to ON. I don't have any noise in the
room, fans or anything, kind of wondered about magnetic noise in the Shure
57 mic from all these monitors, wifi, etc. around here that you can't hear
with human ears.
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and hard to notice by the casual, I won't worry
about it, but thought that it was worth mentioning as an unwanted artifact
of r57. And I don't know which portion of the newest firmware is causing it,
the MCU, FPF, or DSP1,2.
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of it, you hear it routinely. It's not a deal breaker, just an anomaly
that might be explained and eliminated by the firmware guys.
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Right forgot to say...this is on the 4K serial numbered K3 with all options
included.
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and the issue was gone.
Anybody have any ideas? Elecraft?
Chuck, KE9UW
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Wouldn't other chemistry require a different charging consideration?
-
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Well...the whole idea of the SVGA option is to have a simple big screen. I'm
using an ACER S202HL monitor. 20 inch. Works well...no computer, sound card,
dodads, or other stuff involved. Two wires, power and video cable.
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Completed listings on Ebay show selling prices of from $800 to $1100
depending probably on filters, extras, and marketing skill :).
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I have a (high quality=$50 or so) antistatic mat on my desk. Slower
discharge. No issues with sparks in the winter. It makes a nice surface as
well.
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You need the Paula Keezer KX3 band decoder. Makes the KX3 look like a K3 for
the purpose.
http://www.nx1p.net/what-is-a-kx3-band-decoder/
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I jumper 2 and 3. You can still turn off the P3 if desired but when power is
applied from the K3 or elsewhere, the P3 automatically turns on. Best of
both.
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operate,
physical hearing anomalies, etc. that audio reviews are just about useless.
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for speech.
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As best I can tell from the schematics, 7 and 8 are connected together.
However I use 7 as mic ground and 8 as the shell, like Kenwood.
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Yes, but in my case, I remember any mods already done since my K3 was built.
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long for an interactive link on the Elecraft site that I can just
enter my K3 serial number into and it displays all the upgrades that I could
benefit from and why.
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As for the K3, updates will continue to be for both, I think, and it's worth
checking to make sure the K3 doesn't suffer because of the specific K3S
additions or changes...even if the update does not add anything for the K3.
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O...I know...
The clock is off by two days...
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the K3's guts as well as I
should.
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I read the longer cable response, I thought that it's just a change to
the RF getting into something. If it is more inductance that helps, then
what effect does RF Ferrite clipped onto a short coax have? Just a thought.
-
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issues with them.
EE's don't know everything...well almost, but not about slide switches :).
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I bought a couple refurbished Edgeport 4 port serial to usb converters.
Around $40 to $60 each. They installed, or the Win 8 installed them without
fanfare, and they work well. Enough ports for the entire K line with a
couple left over.
-
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pointed out by Elecraft that the tuner values in the K3 ATU and the
KAT500 are the same.
Changing the length of the feedline sounds like a plan.
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on the forums...
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installed in favor of a newer one that I ordered also.
It all worked when done! All the options installed but the 2M and the 100
watts.
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Chairman
K5EWJ Trustee N5BPS, USS Cavalla, USS Stewart
There may be some companies with the old Lenovos (Think Pad) about 1.5 thick
that are being replaced. I don't know where buy maybe you can find some.
Maybe eBay if the resellers have them.
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| the mouth-breathers, and that's why we're
| powerful!
#include lt;disclaimer/favouritegt; | --Chris Hardwick
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and I would want to get them
with the PX3 included in the same shipping cost :). Not a big deal, just
sayin'.
Also, I am an accessory guy...I like to look thru the accessories and see
which ones I may ever need.
Listening E guys? Big margin on those items and I like them.
-
Chuck, KE9UW
...or it could be like other manufacturers who come out with an improved
model while adding a couple of new model number digits making your current
rig obsolete.
-
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That's what I meant if I was unclear.
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Well that must be the result of what Jack said about loading the aux buss if
the KAT is off when you turn on the K3.
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My KAT goes on with the bench power supply. Then I turn on the K3 and the the
KPA.
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worked well. Forgot about that...not a problem,
but don't know why it did that.
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I'm good with 1.38 also.
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My K3-KPA-KAT works great with all three betas and a new Windows utility for
KPA. Two solid days and no retuning or faults when I get too into the mic.
Thanks Elecraft for all the great help and continuing support.
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I've had that retuning happen, but I think it's when I get into the mic and
flat top or whatever. Maybe too much mic gain...not sure. But it is
annoying.
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I stand corrected. Must have thought that was the answer when I danced around
the necessary value on the KAT500 when the KAT3 zeroed right in for a low
SWR.
Sorry, and thanks for the correction.
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The reason is that the KAT500 has more coarse component values... the values
of capacitance for example are not as fine as on the K3. So the values on
the K3 sometimes cannot be duplicated on the KAT500.
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When the band is out, it's out. You could organize an alternate band if
conditions are poor on the primary one.
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I did, copied both files to a directory I named KAT500fw0141...pointed to
it, works fine, looks like the ones the zip versions did.
-
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since both
tuners display their values when tuned (or are unsatisfactory tuned).
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I just got and built #472. Ordered the kit in the third week of October.
Works great. No problems, all the parts shipped except the wrong computer
cable. But will rectify soon I imagine.
Chuck, KE9UW
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At 100 watts according to the K3, with 12.6 vdc (drops down from 13.8 vdc
with key down CW) I get 19.5 adc according to the Hamsource EZ-meter.
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watts
default). While that would not hurt the KAP500, some other amps would be
damaged if the key line was to be opened when they are producing full power.
The KAT500 manual is on line and addresses the use of other than Elecraft
amps.
-
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watts
default). While that would not hurt the KAP500, some other amps would be
damaged if the key line was to be opened when they are producing full power.
The KAT500 manual is on line and addresses the use of other than Elecraft
amps.
-
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it doesn't Fault giving the KAT time to open the key line.
So the change in firmware we are waiting on is for the KPA amp.
Help me if I'm missing something here.
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Can anyone tell me what the range/size of the L and C values are?
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, but a
few spare parts would be good to have.
Can we expect a parts list sometime on the paddle?
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Chuck, KE9UW
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not asking if it's in the works, just if it can be done in future
programming by Elecraft. Any ideas?
Chuck, KE9UW
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Chuck, KE9UW
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http://www.gigaparts.com/store.php?action=profilesku=ZHL-CC-1-XLR-K
$35.00
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Chuck, KE9UW
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, but frustrating finding suitable 2-56 screws...any one like to
try finding them at your local Best Hardware store? 4-40, yes, 2-56 no!
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Chuck, KE9UW
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, but cycling thru C1 thru C3, the
SWR seems to just change from 2.0 to 2.1 to 2.0
Not sure what to look at...
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Chuck, KE9UW
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Oh and the ATU is in the CAL (bypass) mode. Of course it is in the TUN mode
for the testing of inserting different L and C elements and noting SWR
changes to see that all the elements are working.
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Chuck, KE9UW
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the mods during that
time and incorporated them into the 2000 year vintage K1 which worked when
finished. I had bought two firmwear chips before i ever turned it on the
first time. The KX1 is not as big a job.
Comments?
Chuck, KE9UW
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Chuck, KE9UW
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I can not download it either. I am using the latest utility, etc. Seems to be
removed from the ftp directory.
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Chuck, KE9UW
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, that the
values could be read out in the future?
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Chuck, KE9UW
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,
Chuck, KE9UW
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Chuck, KE9UW
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Excellent response from service with an RF unit on the way...appeared not to
be switching into the transmit mode when in operate.
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Chuck, KE9UW
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My KPA500 causes a high SWR showing at the K3 when the amp is in transmit
operate. All else seems to work ok...reloaded firmware...checked
faults...something about power lost without controlled shutdown.
Any ideas? Pin diode?
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Chuck, KE9UW
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there was some discussion of setting the bias current here,
but I can't find it again. What is the range of bias current for best
linearity? I don't see any help in the manual.
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Chuck, KE9UW
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at about 0.4 A.
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Chuck, KE9UW
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noticed. And the correlation with higher power
is obvious.
I think there is also some transistors just don't sound good...get
yourself a four by one and do some real QRO. I am aware of that bias as
well.
I really like this KPA500 amp.
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Chuck, KE9UW
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Wondering if it's safe to upgrade to Lion.
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Chuck, KE9UW
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Go here for a schematic...
http://www.worldwidedx.com/amplifiers/96435-elecraft-kpa500-high-frequency-amplifier-manual-schematics.html
Chuck, KE9UW
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Chuck, KE9UW
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You have to remove the sub to install them...
I pretty much knew what I wanted after decades of ham radio so I
just bought the 8 pole ones and put them in right away.
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Chuck, KE9UW
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Output
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Chuck, KE9UW
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