Re: [Elecraft] KPA500 metering

Check the KPA500 manual. From memory, the max throughput in standby is 200W. As I say, check my memory against the manual. *Ken* *WA2LBI* On Wed, Apr 3, 2024 at 6:36 PM Mike Murray wrote: > If a KPA500 is in standby, can it be used to determine power output from > another amp by feeding the

Re: [Elecraft] KAT 500 Loses Match

Paul, Connect a dummy load in place of the antenna and repeat your testing. This will eliminate the antenna as a possible source of RFI. Report the results of your tests, GL! *Ken* *WA2LBI* On Fri, Jan 12, 2024 at 4:47 PM Paul Ecker wrote: > I am experiencing a new problem for me, with my

Re: [Elecraft] Noise from KAT500?

Eugene, This may or may not address your issue but the KAT500 user manual reports that a signal may be heard from an oscillator in the unit. The manual advises that this can be shut down when not in use by running the KAT500 Utility. Below is the reference to Idle Sleep in the manual. *Idle Sle

Re: [Elecraft] TL-922

Be careful with the TL-922. An unmodified TL-922 has about 100VDC on the keying line. I'm not familiar with the K3 so I don't know if its keying circuit can handle that voltage/current. I would check the K3 manual for its keying circuit specifications and also measure the TL-922 keying line voltag

Re: [Elecraft] Stacking KPA on KAT

Like Jim, I've had my KPA on top for years. No heat issues because the KPA generates the heat and it is on top. Also, with all of the cables attached to the KAT500 I find it is better having the KAT on the bottom so the cables lay flat on the table rather than all of them arching over the back of

Re: [Elecraft] Oh Crap

How about this tool? I've used smaller versions to remove pins in connetors. AmazonSmile: Headphone Plug Extraction Tool- Remove Broken Headphone Plug from Headphone Jack of Mobile Devices : Electronics

Re: [Elecraft] Kenwood MC-60 Mic with a K3?

Option "D") Make an adapter that swaps the leads so you can use the unmodified MC-60 on the Elecraft. I prefer to make adapters for my rigs so I can use (almost) any mic I have on (almost) any rig I have. 73, *Ken* *WA2LBI* On Tue, May 17, 2022 at 4:46 PM Joe Subich, W4TV wrote: > On 2022

Re: [Elecraft] De-soldering Tool Recommendations?

As I read that I could "hear" K2ORS, Jean Shepherd,   narrating the text with his inflections and enthusiasm. ⁣ Ken WA2LBI​ On Mar 14, 2022, 19:46, at 19:46, Dave W8OV wrote: >I wonder how many of us have discovered Wayne's methods all by >ourselves? > >Good one, Wayne! > >73, > >Dave W8OV > >

Re: [Elecraft] De-soldering Tool Recommendations?

I've had the Hakko 808 for many years. It has been used on through hole PCBs, boat anchors, toys, etc. There hasn't been any shortage of suction. Just keep the collection tube clean.  My only regret is that I didn't purchase it years earlier! ⁣ Ken WA2LBI​ On Mar 14, 2022, 18:25, at 18:25, Da

Re: [Elecraft] Need Mic adapter: Icom SM-50 to K3 mic input jack

Bob, Can you build adapters if you have schematics? DIY gives you lots of possibilities. ⁣ Ken WA2LBI​ On Nov 2, 2021, 09:35, at 09:35, Bob KD7YZ wrote: >Hello Elecraft List > >I have no microphone for my K3. I am usually on CW or the digital >modes. >Now I want to get on the KY Phone Net on 383

Re: [Elecraft] KAT500/KPA500 with IC-7610?

I have had the IC-7610 and the KPA500/KAT500 for over three years and it works very well when I switch bands with the intention of transmitting. My "nit" to pick is that the KAT500, as has been said, can not be preset by the IC-7610 in receive. It can preset the KPA500, for all bands but WARC, by u

Re: [Elecraft] K3 & KX3 with KPA500/KAT500

I use this four position AV switch to select the keying line. Since it can switch three connections (L/R audio, video) you can get creative. Although I don't use ALC it could also be switched along with the keying line. https://smile.amazon.com/gp/product/B00KXVBB3Q/ref=ppx_yo_dt_b_search_asin_tit

Re: [Elecraft] KAT500/KPA500 with IC-7610?

Chuck, I, too, have been using an IC-7610 with the KAT500/KPA500 combination for several years. My IC-7610 TUNER jack is connected to the TUNE jack on the rear of the KAT500 via a LDG Electronics IC-PAC-6 cable. While the TUNE button on the IC-7610 or the TUNE button on the KAT500 activates the IC

Re: [Elecraft] Temperature or Warmth of KPA500 when "Off" ?

I use a sine wave UPS in the shack and an IOTA 55 amp power supply for the rigs is plugged into that. Power blips and short outages do not affect the station with the exception that the KPA500 will drop out since it is running on 240V. The UPS provides more than enough time to safely shut down the

Re: [Elecraft] Temperature or Warmth of KPA500 when "Off" ?

John, You could build a 220/240V outlet with a remote switch using a couple electrical boxes. Ken WA2LBI On Thu, Jul 1, 2021 at 1:01 PM John Nicholson wrote: > Does anyone know if there is such a thing as a 220V power strip? My > searches come up empty handed. I would like to plug the KPA5

Re: [Elecraft] Temperature or Warmth of KPA500 when "Off" ?

Phil, No need to unplug the KPA500 when not in use. There is a master power switch on the rear panel that will disconnect everything. Ken WA2LBI On Wed, Jun 30, 2021 at 11:41 AM Louandzip via Elecraft < elecraft@mailman.qth.net> wrote: > I use a clamp on ammeter and a short power cord jump

Re: [Elecraft] Don't Shoot!

Richard, If there is any overshoot, my KPA500 hasn't complained. I have both an IC-7300 and an IC-7610. The KPA500 is teamed with the KAT500. The keying line is routed through the KAT500 and the rigs are both set for a 15ms transmit delay. I do not run an ALC line on either rig. The rig power is

Re: [Elecraft] KPA500 with Icom 7300

Steven, I use a KPA500 (and KAT500 tuner) with both an IC-7300 and an IC-7610. Both have the transmit delay set for 15ms. The amp is keyed directly from either rig using RCA/RCA cables from the SEND jack to the amp's keying jack. I do not use a keying line buffer between the amp and either rig. Th

Re: [Elecraft] Controlling KAT500/KPA500 with Icom 7610

tting as 10 signal and > it works. I guess I will stick with that. > > Buck, k4ia > Honor Roll > 8BDXCC > EasyWayHamBooks.com > > On 4/19/2021 2:31 PM, Ken Winterling wrote: > > Buck, > > > > I have had the IC-7610 and KAT500/KPA500 for almost three years and

Re: [Elecraft] Controlling KAT500/KPA500 with Icom 7610

Buck, I have had the IC-7610 and KAT500/KPA500 for almost three years and they are a very nice pair (or trio..). The IC-7610 doesn't "control" the KAT500 per se. Changing bands/frequencies on the IC-7610 doesn't cause any response from the KAT500. Only when the IC-7610 transmits does the tuner det

Re: [Elecraft] Kpa500 not playing with my IC-7600

Tom, While I do not have an IC-7600 I do use an IC-7610 with a KPA500; the cable should be the same. I use a DIY band data cable to connect the IC-7610 to the KPA500 and it has worked for almost three years. I'm curious as to the exact part numbers of the cables you purchased from the two differe

Re: [Elecraft] KPA500+KAT500 interfacing

I would like to see an Icom CI-V interface for the KPA500/KAT500 combination. This is built into the KPA1500 which is a combination amp/tuner/antenna selector switch. The KPA1500 "speaks" Elecraft, Kenwood, Yaesu, and Icom. The KPA500 can use Icom "band data" voltages but that doesn't support the W

Re: [Elecraft] KAT500: Fails to tune, and shows 3:1 on good antenna on 18 MHz.

> ARRL Technical Specialist > ARRL Asst. Director, NW Division, Technical Resources > > On 9/13/20 4:24 PM, Ken Winterling wrote: > > When you have issues like this the best test is to use a known good > > dummy load. That removes the antenna system from the equation. See

Re: [Elecraft] KAT500: Fails to tune, and shows 3:1 on good antenna on 18 MHz.

When you have issues like this the best test is to use a known good dummy load. That removes the antenna system from the equation. See what happens on 18mHz when transmitting into the summy load. Ken WA2LBI On Sun, Sep 13, 2020 at 6:58 PM Dick Dievendorff wrote: > When unpowered the KAT500

Re: [Elecraft] Max power thru KPA 500 when off.

Brian, According to the Elecraft KPA500 manual: 1. *Never exceed 40 watts of drive to the KPA500 in OPER mode.* 2. *You may run up to 200 watts through the KPA500 in STBY.* I Ken WA2LBI On Sat, Aug 1, 2020 at 1:51 PM Brian Comer wrote: > I have reason to connect two KPA 500s in seri

Re: [Elecraft] Convert a KXUSBa cable to KUSB

Bill, I haven't looked into the electronic validity of what you are asking but I would recommend building an adapter with a female jack and DB-15 vs cutting off a working connector. Ken WA2LBI On Fri, Jul 17, 2020 at 9:21 AM Bill Cotter wrote: > Somehow in the entropy of the universe and my

Re: [Elecraft] Future of KPA500 & KAT500

Dave, Do you own either/both the KPA500 or KAT500 and are familiar with their operation? The KPA500 is not involved in the receive path, it is only used for transmitting, so it doesn't cause an issue on receive. When in standby the amp is bypassed and the T/R circuit feeds the input to the outpu

Re: [Elecraft] Future of KPA500 & KAT500

John, The radio, an IC-7610, and the fact that I use a HB band data cable to the KPA500, was included in my original post. The band data cable switches the bands on the amp, except for WARC, but there is no communication to the KAT500 so it remains on the last band/frequency and antenna selected

Re: [Elecraft] Future of KPA500 & KAT500

gt; All it takes to band switch both amp and tuner is a dit or a tap on the > mic. > > 73, Jim K9YC > > On 6/18/2020 10:23 AM, Ken Winterling wrote: > > There is no provision at all to communicate with the KAT500 so it > > must RF sense to switch bands and select the correct

Re: [Elecraft] Future of KPA500 & KAT500

I own a KPA500 and KAT500. Both work very well with my Icom IC-7610 but operation could be improved if they could communicate with the Icom CI-V bus. I do not own a KPA1500 but from my research I see it can communicate directly with the Icom CI-V bus to switch the amp AND the internal tuner/anten

Re: [Elecraft] Power supply for KS

better. Not sure on the last point. > I will check what else they make > TU 73 > Richard > > > On Mon, Apr 20, 2020 at 12:51 PM Ken Winterling wrote: > >> Richard, >> >> I use an IOTA DLS-55 SMPS power supply ( >> https://www.iotaengineering.com/dls

Re: [Elecraft] Power supply for KS

Richard, I use an IOTA DLS-55 SMPS power supply ( https://www.iotaengineering.com/dls55.htm). It provides 55 amps, doesn’t produce RFI, is audibly quiet, and rugged. The dimensions are 9.7" x 6.7" x 3.4" and the weight is 5.0 lbs. Mine is on 24/7/365. IOTA also makes them in other output volta

Re: [Elecraft] Hum on KPA1500

Carl, Does this also happen when directly connected to a dummy load? If not then maybe you have an RFI problem. Check all antenna connections and jumpers. GL! Ken WA2LBI On Sun, Apr 5, 2020 at 4:51 PM Carl Yaffey wrote: > I have developed a loud hum with the KPA1500 on 17m and 15m. A slig

Re: [Elecraft] KPA500 fault

Ken, I have the same amp but have not experienced the problem you describe. When issues like this occur it is best to isolate the suspect device to minimize the variables. Before doing anything have you tried turning off the power switch on the rear of the amp? Wait 10 seconds then turn the swit

Re: [Elecraft] When Transmitting on FT8 - KPA500 has issues - KD8ZYD

Fred, Does this condition also happen on SSB, RTTY, CW or only while running digital mode? Is it possible the PTT/key line is being dropped? When the power drops is there an asterisk (*) on the left side of the KPA500 display? An asterisk will appear on the left side of the LCD display if there

Re: [Elecraft] Silent power supply for a K3s

I use an IOTA DLS-55 SMPS power supply (https://www.iotaengineering.com/ dls55.htm). It provides 55 amps, doesn’t produce RFI, is audibly quiet, and rugged. Mine is mounted under the radio table and is on 24/7/365.. I never hear it. Iota also makes them in other output currents and voltages. Ken

Re: [Elecraft] KPA1500 AC Mains wire colours

Doug,I don't have a KPA1500 but these are the standard power cord wire colors and functions: *Function USA Europe* Neutral WhiteBlue Hot Black Brown Ground Green Green/Yellow stripe If there is any doubt you can send an email to Elecraft; they are very res

Re: [Elecraft] Mobile high power

I believe all of the vehicles I've owned have had a statement in their manuals about transmitters. Despite that, vehicles from many manufacturers, domestic and foreign, are used in services that use transmitters such as police, fire, ambulance, taxi, etc. Some services use multiple radios in vehi

Re: [Elecraft] KPA1500 Wing Nut Replacement

Below is another solution. Hurricane wing nut drivers are a possibility. On small wing nuts I have used a cup hook driver bit. They look like a "Y". Wing Nut/Bolt Driver: https://www.homedepot.com/p/RYOBI-SpeedLoad-Wing-Nut-Bolt-Driver-AR2011G/205193156?cm_mmc=Shopping%7CG%7CBase%7CD25T%7C25-7_

Re: [Elecraft] K3 -- Strange speaker problem

Joel, I don’t own a K3 so I am not familiar with all of the audio output settings but is it possible you have a set of headphones plugged in that is disconnecting the speaker? If not, maybe a dirty headphone jack? Ken WA2LBI On Tue, Apr 2, 2019 at 20:44 Joel Hallas wrote: > Tonight, when I tur

Re: [Elecraft] PS Comparison: Powerwerz SS-30DV vs. MFJ-4230MVP

Bob, I use an IOTA DLS-55 SMPS power supply ( https://www.iotaengineering.com/dls55.htm). It provides 55 amps, doesn’t produce RFI, is audibly quiet, and rugged. Mine is on 24/7/365. Iota also makes them in other output currents. Ken WA2LBI On Wed, Mar 13, 2019 at 8:57 PM krug261--- via Elec

Re: [Elecraft] KPA/KAT500 Mystery Fail

Jack, I assume the two cables you use are the RF coax cable and the PTT keying line, correct? The keying line should connect from the rig, then to the KAT500, and finally the KPA500. This allows the KAT500 to disable the keying for the KPA500 during tuning or high SWR conditions. It is possible

Re: [Elecraft] KAT500 refuses to turn on

Jim, If you don't have a schematic you should download one. According to the schematic there isn't any internal fuse. The 12VDC is passed from the rear panel jack through a polarity protection diode to a choke then to a voltage regulator, a LM7805. To start, you need to open the case and check t

Re: [Elecraft] Sorta OT - assistive technology assistance

JR, Another approach to help your friend is to buy and install an inexpensive, simple mixer as he can clearly make use of it now. You can still build a mixer for the experience. After taking whatever time is necessary for designing, building, and debugging in your shop you can try it out at your

Re: [Elecraft] Yama CM-500 Replacement

Dick, You said “My preferred headphone jacks are 1/4", and I've had trouble with 3.5mm to 1/4" adapters from another manufacturer staying solidly connected.” I agree, the 1/4” jacks/plugs are more rugged than the 3.5mm especially for devices like headphones that are constantly plugged/unplugged.

Re: [Elecraft] Killed the KPA500 :)

The power up state, “standby” or “operate”, is programmable. I’ve always felt is was safer to have an amp power up in standby in most cases. Some remote operators may want it to power up in “operate” but would have to take measures to ensure the exciter was in standby at the time. Ken WA2LBI On

Re: [Elecraft] Fwd: KAT-500 interface cable question

The LDG IC-PAC-6 tuner cable is plug-n-play with the KAT500 and Icom’s that support the mating external tuner connector. It is 6’ long and costs $12 (plus shipping). This is the same cable that came from my LDG tuner and it works with my KAT500. The cable also comes in a 14” version but that mig

Re: [Elecraft] Covers for Elecraft (and other) Gear

I can second that. Jeff does a great job. I got the single combination cover for the KPA500/KAT500 with the two units stacked. I had him add a flap to the rear. When I slide the cover on from the front the flap slides out over the cables attached to the amp and tuner and covers the backs of the

Re: [Elecraft] HRD slow accessing K3 frequency controls

Bill, Have you run the Windows Task Manager to see if the cpu, disk and/or memory is being heavily utilized; stuck at 100% or thereabouts on a regular basis? Ken WA2LBI On Thu, Aug 9, 2018 at 12:13 AM, Bill wrote: > Computer has a serial board with two ports. One for the K3 (P3) and one > f

Re: [Elecraft] [KX3] RS232 xcvr control when serial ports are occupied

Get an inexpensive RS-232 breakout box. The LEDs and jumpers will help you see what is happening on the data and control lines and enable you to make/verify any cable you need. Compact gender changers address the male/female connector issue as well as the 25 pin/9 pin conversion. I still have a

Re: [Elecraft] KPA500 amplification and microphone

Michael, I have the KPA500 and the KAT500 but use them with an Icom IC-7610. The amp and tuner are a great combination. Regarding the mic and varying power, you need to maintain a consistent distance from the mic and a consistent audio level when speaking into the mic or your power will drop off

Re: [Elecraft] KPA500 Noise While Off

Dick, The KPA500 has a power supply switch on the rear panel adjacent to the socket for the power cord. When you press the OFF button on the front panel the control circuitry is still active. This permits software to remotely power up the amp. If you turn off that rear switch all power is remo