I would like to see a 160-6 meter, continuous duty 1500 watt
amplifier capable of QSK that was instant on.
Greg,
The new SPE 2K-FA should meet your wish-list criteria:
http://www.radio-ham.eu/download/Leaflet%20Expert%202K-FA%20inglese.pdf
I believe it's still awaiting FCC certification.
I recently tried ear defenders used together with earbuds but I didn't
like them, uncomfortable and too fiddly.
Considered a Dave Clark headset, but too expensive and seemed to start a
whole new thread about best headset...for Pilots!
I ordered and have just received direct from USA the
Let us know what they are like after several hours in a contest.
David
G3UNA
Deni foxfive@gmail.com wrote:
I recently tried ear defenders used together with earbuds but I didn't
like them, uncomfortable and too fiddly.
Considered a Dave Clark headset, but too expensive and
If one checks the website for these phones previously given there is a link to
a UK distributor. The EX 29 price delivered to EI land is about £99.
I have also tried ear defenders and sony earplug phones. It is indeed very
quiet but the defenders are uncomfortable to wear. The clamping
I have been working as electronic and comunications technician for the
government for 18 years now and one of my jobs has been installing Motorola
radios to the fire dept trucks and all of them use as internal intercom and
radio interface as well the famous Dave Clark green color headsets with
Well I spent this past weekend 18 hours in radio on saturday and sunday with my
Yamaha CM-500 on my head all the time,either on CW or SSB and felt no
tired,they are smooth and weight little in my head,isolation is perfect.Family
at the living room with the big TV and sorround sound very loud
Can any body recommend a couple of the best digital programs to work with the
K3? I was looking for one that is compatible with PSK D and FSK D.
Thanks!
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As far as I know there is only one program (apart from the terminal in the K3
Utility) that makes any use pf PSK D and FSK D at all and that is my program
KComm. However it is really transmit only. You have to receive by reading
the K3 display, because there isn't a good way to get the text into
Ci Jones wrote:
I would appreciate hearing the opinion of members of this group on an
issue I am facing. I just downloaded the manual for the K144XV since I
am considering this upgrade. As I understand it, it is an all mode ten
watt transceiver, and it costs about $300.00. In order to
Elecrafters who have participated in the ECN's (nets) and EQP's
(Elecraft QSO Parties)
will recall Pete Hoover, W6ZH as a frequent participant.
I just learned from W3UR's Daily DX service that Pete passed away on
Feb. 4.
I didn't know Pete very well, but we did have some correspondence, and
NAQCC Sprint Tuesday night!
This coming Tuesday evening will be the monthly NAQCC Sprint for February, 2010.
I will refer you to the proper URL:
http://home.windstream.net/yoel/sprint201002.html
There you will find all the details as to time, frequencies and also a special
prize.
This
For PIC18F based products here, I use FlashForth by Mikael, OH2AUN. You can
get it on SourceForge.
A PICKit2 or 3 along with the free PIC MPLAB IDE completes a useful and
inexpensive development/debug platform.
--
View this message in context:
I don't understand what you mean by export model. We can and could buy an
amp that will produce power way over the limit. We just can't transmit over
the limit. A Henry 2K will output 1500W and a 3K much more.
A 2500W amp driven at 60W to produce legal power is cleaner then an exciter
and amp
Lyle,
4) Is there a table that provides a dBm equivalent of each
of the threshold values? Or alternatively are the values
on the Clifton Labs site correct?
(2 -117 dBm
3 -110.5 dBm
4 -105 dBm
5 -103.5 dBm
6 -102.5 dBm
7
The only rule I know of is that the amp won't have ten meters, and you will
need to produce a ham license to get a ten meter kit.
On October 4, 2006 the FCC issued a Report and Order that did away with
that rule.
Now, according to FCC Rules Section 97.317, external amplifiers must not
Can any body recommend a couple of the best digital programs to work
with the K3? I was looking for one that is compatible with PSK D and
FSK D.
Any program that supports FSK on other radios will work with the K3 in
FSK D mode, decoding RTTY using a sound card and keying the radio via
pin
Hello Joe!
Assuming that the threshold values have not changed in a major
way since Jack's measurements, would it be possible to extend
the range of threshold values - say to AGC THR=016 at about
-80dBm (assuming 2 dB per step)?
Possible? Yes.
Likely? I don't know. There are a
Ok, thanks Don.
I feel kind of guilty because seems like I should have a bunch more
questions. But I'm just not having that much trouble so far. even grounding
the crystal cans went pretty smoothly hi hi once I read all the suggestions
on how to do it (tin the cans first! Then hold the ground
On 2/8/2010 8:31 AM, lstavenhagen wrote:
As for tinning the toroid leads, I did find that the solder blob method was
ineffective. Perhaps a 700F tip just doesn't get hot enough to melt the
insulation? Instead, I'm sanding the leads first with a bit of sandpaper to
get the stuff mostly off
The solder blob method takes a little trick, you have to sit on the
end of the wire long enough for the insulation to melt (heat has to
transfer to the wire). I usually just scrape with a xacto these days
and then tin, I think it is cleaner and easier than solder blob. When
I built my K2 I used a
I like DM780. It comes as part of HRD. It works perfectly with the K3.
James K2QI
On Mon, Feb 8, 2010 at 9:20 AM, Dean ebd...@mytargets.com wrote:
Can any body recommend a couple of the best digital programs to work with
the K3? I was looking for one that is compatible with PSK D and FSK D.
Likely? I don't know.
Likely is a better choice since raising the AGC threshold
seems to be the primary goal of much of the PRE/ATT/RF
Gain dance we've seen recently.
The hardware AGC (HAGC) would seem to provide an ultimate
limit on level to the ADC - unless the ADC can't handle
the
I like DM780. It comes as part of HRD.
And does not, last time I checked, support either PSK_D
or FSK_D (FSK). It is an audio only package.
73,
... Joe, W4TV
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf
Yeah, that was what I was doing, I sat and sat and sat on the wire and the
insulation just wouldn't cook off... Oh well, the sanding method is working
tho so I'll just use that for the rest of the coils. This part is slower
going for sure since I'm double and triple checking the winds.
I am
What would you like out of PSK D and FSK D? We could consider adding it to
fldigi if there are advantages.
BTW, you didn't say what OS you were using, but fldigi runs on Windows, Mac,
and Linux.
Leigh/WA5ZNU
--
View this message in context:
While waitig for Elecraft KPA, try this beast.
Will put out 1500W RTTY.
http://www.difona.de/pdf_en/omom3500hf_manual.pdf
BennyOH9NB
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Help:
I don't know about the OP's requirements but to me the advantage of being able
to use the FSK D mode would be the ability to run FSK without and interface.
Presently I am running both Fldgi and cocoaModem and they both work great in
AFSK modes so I guess it's not a big deal to me.
BTW, one of
Looks like that beast will suck all the electricity away and here I am trying
to be a conservation type and replacing my heat bulbs with CFLs or whatever.
As for me, 1000 watts sold-state is just fine. If someone can't hear my signal
at that power then they we don't want to talk to each other.
Thank you, Rick.
You can configure fldigi to use RS232 commands for TX and RX control,
and the K3 has built-in transformer isolation so you don't need an
interface to run, just two shielded audio cables with 3.5mm plugs and an
RS232 9-pin straight-through cable. FSK D would also require the
Didn't know about that rule change.
This is way OT, but... How would you do this and make it not easily
defeated? A filter, a trap... Those can be easily bypassed or removed. A
microcontroller that calculates the input frequency and only produces an
enabling signal when the input frequency is
I do a lot of PIC18 programming at work in C and use the Hi-Tech C
compiler for that microcontroller family. A free Lite version is
available for download.
Bob NW8L
On Sun, Feb 7, 2010 at 12:09 PM, Ken Nicely k...@nicelyweb.com wrote:
This is a little off topic as it is not something that might
At one time a couple of years ago, the next rework of DM780 was going to
include an integral implementation of the WSJT protocols -- at least the
major ones (FSK441, JT6M, JT65[x], maybe WSPR). It never happened. Simon got
turned on to SSTV implementation instead, and then to SDR stuff... He is
Leigh L. Klotz Jr WA5ZNU wrote:
What would you like out of PSK D and FSK D? We could consider adding it
to fldigi if there are advantages.
I'm not really sure what advantages there are to using PSK D or FSK D.
Having to receive PSK by accurately tuning in a signal instead of clicking
on a
I remember building my Heathkit 221.. the gem with the 10 meter trap
in it. It was ludicrous the extent they went to make adding 10 meters
difficult so you could have a 220 instead.
I've always felt if they would have made CB on VHF instead of
stealing 11 meters from USA hams, Skip wouldn't
In the 1960s Henry others marketed amps for other than amateur use. They
were called ' export models'. For military, government civilian other uses.
Most would easily reach amateur limits for domestic use. The 'export models'
usually had a heavier plate transformer. Some times a larger
In the 1960s Henry others marketed amps for other than amateur use. They
were called ' export models'. For military, government civilian other uses.
Most would easily reach amateur limits for domestic use. The 'export models'
usually had a heavier plate transformer. Some times a larger
What kind of isolation transformer are you using and why did you choose the
one you have ???
Just curious
73JerryN0JRN
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Help:
It may be a dance, but hopefully careful intelligent musing over the
matter is convincing people that they should get the ambient well down
in the analog-to-digital converter (ADC) operating range. If they do,
a -99 threshold is a -109 threshold, and further backing off RF gain
can make it a -119
The DSP code is written entirely in assembly language. Don't ask how I
know... :-)
The better to fully exploit the power of the processor. Using SHARC
floating point family here at work, where use of assembly language
programming allows maximum utilization of the dual FPUs in SIMD mode.
Now
There IS something entirely separate with the headphone audio and HI-Z
headsets, high volume levels, maybe a sharp saturation point, and
mush, just haven't nailed it yet.
Note that the headphone audio path of the K3 is designed for 32-ohm and
lower headphone impedances. Higher impedance
I received a Clarity Aloft headset as a gift. I am very impressed with the
quality of RX and TX sound and they are very comfortable to wear. The
headset and boom comprise a continuous wire frame that gently but firmly
grasps the head, while the earbud material and transducers are derived
from
Hi All,
First off I was never on CB but came into ham radio the Novice route in
1960 I am just as pleased that the FCC tries to some degree to police what
can be put on eleven meters. Having said this, please let us remember that
many very good people have come into Ham Radio from the CB
Most of the so-called export model amplifiers were capable of well in
excess of double the legal limit in those days, and most could more than
double today's limit of 1500w.
The big Alpha 77 export models had two 8877 tubes in them - *not three*
along with a much bigger power supply. They could
Hello!
I am interested but your Email is not working!!
Email me at: NH7VW(at)gmx.net
Thanks
73s Alex OE6ASF
--
View this message in context:
http://n2.nabble.com/K2-accessories-for-sale-tp4531474p4536525.html
Sent from the [K2] mailing list archive at Nabble.com.
Leigh,
I understand about RS232 for keying the rig and that is a nice feature of
Fldigi, however, that doesn't accomplish direct FSK keying which takes us back
to the OP's original desire (I think)
As far as cocoaModem using RS232 rig control, I wouldn't really want it to
since I have either
Hi Lyle:
I was very disappointed to read your post. I purchased a Proset headset
directly from Elecraft when I bought my K3. According to Heil this headset
has an impedance of 200 ohms. Is that why I have to plug my headphones into
the rear speaker jack to get sufficient audio output from them?
OK, except a lot of people have these 400 and 600 ohm headsets by
well-known makers. People are blaming it on everything from the phases
of the moon to the neighbor's dog. It would be good to have that
cleanly targeted.
What's the recommended workaround or is there a workaround? Maybe a
high
Hello Group,
I'm pleased to announce that K1 #2822 is born - after a long gestation.
I had couple of hitches along the way, which I thought might be interesting
to report:
I got as far as the end of RF board Part 1 in the build and came to page 36
of the manual where I power up for the first
Frankly, It seems to me that good QRO amps are a glut on the market. (see
THP, etc.)
To be competitive in that market, any Elecraft offering would have to be
highly innovative and I just don't see much more that can be done.
Gotta disagree with this comment. There is no Elecraft-quality
I'm likely only adding to the noise here, but I have two
Heil HS's that work well with my K3 and can deliver -far-
more audio than my 72 year old ears can handle with the
AF gain parameter set for LO.
73! Ken Kopp - K0PP
elecraftcov...@rfwave.net
This just appeared on eham.net. This is good data, done by someone who
knows how to do it. If nothing else, it is good comparison reference.
Alan
http://www.karinya.net/g3txq/chokes/
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Elecraft mailing list
Home:
I didn't mean to stir up yet another controversy. I use Heil Proset
with my K3 and they work just fine, as do my Yamaha CM500.
The K3 can easily drive high-impedance headphones.
My point was simply that *if* you have to crank up AF gain to the point
of distortion to get sufficient headphone
Wayne and Eric,
You are both smart engineers and business men. Survey your market
before you manufacture high power amplifiers with an associated high cost.
There are plenty of amplifiers on the market new and old which do exactly
what is needed and interfacing is not such a problem. No
The Yamaha CM-500, recommended by quite a few here, is 120 ohms, right?
So cranking up the AF results is less than optimum operation?
73,
Mike, NF4L
Lyle Johnson wrote:
There IS something entirely separate with the headphone audio and HI-Z
headsets, high volume levels, maybe a sharp
Mike K2MK wrote:
I was very disappointed to read your post. I purchased a Proset headset
directly from Elecraft when I bought my K3. According to Heil this headset
has an impedance of 200 ohms. Is that why I have to plug my headphones
into the rear speaker jack to get sufficient audio
I had recently made some measurements of RTTY and PSK31 which shows
that sound card driven programs using DATA-A can put out a cleaner
transmitted signal than the K3's internal generators in the PSK-D and
FSK-D modes.
Unlike many other rigs, the K3 is very forgiving about the precise Mic
After Lyle's comment (reproduced below), there has been been concern
expressed about headsets of 120 to 600 ohms. A close reading of
Lyle's words indicates that higher impedance is only a problem if
there is a need to increase the AF gain too much. As long as you
don't have to crank the AF
Hi Greg,
I am still looking for the magical amp. Some get close, but not quite there
yet.
Presently I am using an Acom 2000A. It works very well. Puts out plenty of
smoke on 10-160M. I have a few sets of spare tubes so that should not be an
issue for quite some time. It has good QSK.
It is
Doug Turnbull wrote:
* No matter what some say there are a number of us waiting for the
P3!!!
*
I agree Doug. Many of us have good reason to prefer the P3 over an
amplifier. CCR's limit us to stealth antennas and low power.
My previous three rigs: Jupiter, Orion 1 and OMNI VII
Ummm, if this is a real issue for some operators (and not a theoretical issue),
it would seem the problem could easily be resolved with an audio transformer.
RadioShack sells one for $2.99. They don't publish the specs in enough detail
to tell for sure, but it has a number of taps on the
Thanks for the clarification Joe. I should have read the OP's request
better.
James K2QI
On Mon, Feb 8, 2010 at 12:01 PM, Joe Subich, W4TV li...@subich.com wrote:
I like DM780. It comes as part of HRD.
And does not, last time I checked, support either PSK_D
or FSK_D (FSK). It is an
I was very disappointed to read your post. I purchased a Proset headset
directly from Elecraft when I bought my K3. According to Heil this headset
has an impedance of 200 ohms. Is that why I have to plug my headphones
into the rear speaker jack to get sufficient audio output from them? Why
Hi All,
I'm voting/hoping for the 'KPA500' referenced once by Elecraft
(accidentally?) on this reflector last fall.
If such a hypothetical amp were to feature a built in A/T, watt
meter/swr bridge and built in p/s it would be the ideal complement for
my K3 and many more I suspect.
And it
(Snip)
Wayne, Eric, WE WANT THE AMPS.
K4KGG, Larry, K3 # 799
End Snip
I certainly agree!
I cancelled my order for a THP and will await Dayton..no news on a release date
amd I switch to another brand/manufacturer for the amplifier.
I figure a 2 year wait
I dusted off my old K2 recently and decided to try to wire up an electret
mic and give SSB a try--I've had the SSB module since I built the K2 years
ago, but just never used it, because I had no mic at the time. I've
discovered that when I ground the PTT line with the K2 in LSB or USB mode, I
get
Kok Chen wrote:
I had recently made some measurements of RTTY and PSK31 which shows
that sound card driven programs using DATA-A can put out a cleaner
transmitted signal than the K3's internal generators in the PSK-D and
FSK-D modes.
Unlike many other rigs, the K3 is very
Hi, I use the 200 ohm Heil proset and even with the AF gain set to LO I
have no problem getting enough audio or distortion free audio. Either there
is a number of defective prosets or K3s out there because this is making no
sense at all.
Knut - AB2TC
Grant Youngman wrote:
snip
There are
I think some of us have reduced hearing, and crank up volume on
EVERYTHING, including TV. Ask your wives. It's probably not fair or
electronically practical to expect that kind of range in everything.
My Bose QC15's (plugged into headphone jack) would blow my head off if
I turned up the K3 AF
For my K3 I like using Koss SprtaPro headphones. They are 60-ohms,
very light, omfortable and non-fatiguing (but high isolation by no
means). They are collapsible and the headband can pivot to behind head
(so you don't muss up your 'do...) Lifetime warranty. They sound
really good to me, but may
I hope people do not make the mistake of using in-the-ear earbuds with ham
radios, even the K3. These in-the-ear phones like the etymotic or the shure
have to be put pretty deep into the ear canal to seal and provide isolation.
They are wonderful for hi-fi. I use a pair by Shure to listen to
Doug,
Start with the easy things first - it could be RF Feedback or some type
of oscillation in the mic itself - or it could be a lack of carrier
balance on the KSB2 board. To check quickly, do not connect a
microphone at all - just connect your paddles to the key jack, and in
SSB mode,
On Feb 8, 2010, at 3:27 PM, Julian, G4ILO wrote:
By 50 watts average PSK power do you mean PWR set to 50, or PWR set to 100
or whatever gives an average 50W out?
50 W with PWR knob, and measured to be close to 50W on an external averaging
wattmeter with an idling Varicode on BPSK31
This
Hi Barry:
I was annoyed when I first read Lyle's post. It sounded like the right hand
didn't know what the left was doing. Really, why optimize the amplifier for 32
ohms and then only offer a 200 ohm headset for sale. But Lyle's further
explanation was reasonable and I probably overreacted.
Is there any documentation on how to go about building the Softrock
panadapter for the K3? I haven't found anything via a search here or on the
internet. Any help? Seems like an inexpensive way to get panadapter
capability.
73 Bill NZ0T
--
View this message in context:
Chen,
With the ease of set up and use of AFSK on the K3 and with your tests showing
how clean it can be, together with the terrific functionality of using both
receivers with cocoaModem, I have decided that I am not going to bother getting
FSK working either with direct keying or via FSK D
Doug,
I have owned and used my K2/100 on SSB and CW for almost 10 years, but it
has been relegated to second radio duty since getting my K3 a year ago.
I've been getting the K2 ready for a DXpedition for the last few days and I
have noticed a similar symptom to what you describe, as part of a
Have you looked at the The Nifty Mini-Manual?
It has 3 pages on the DSP settings.
I find it really easy to follow.
The people who sell these are wonderful people.
In the following Hold means hold the button(s) for a count of 3
seconds
My most common Non-configuration adjustments during normal
I have an unbuilt kit. No instructions in it. I think they are on the
internet. I thought better of it and got the LP Pan instead. Anyone want to
make me an offer?
Buck
k4ia
K3 #101
In a message dated 2/8/2010 7:41:20 P.M. Eastern Standard Time,
n...@cox.net writes:
Is there any
Brian,
Don't do a re-boot of the K2, it is not likely to solve anything and
will only lose your menu settings including the filter and PLL data.
You have an intermittent somewhere, most likely on the KSB2 board. I
have (only once or twice) seen an intermittent connection in the carrier
Bill,
You will find all the documentation you need on the SoftRock40 Yahoo
group. I don't like navigating Yahoo Groups much, but the info is in
the Files area, and you have to join the group to get access.
If you are seriously considering this alternative, I suggest you use a
Clifton Labs
Guy-
It would appear that some K-3 owners really enjoy dancing around wasting
time and energy dancing the AGC up and down ... and forever fooling with
DSP adjustments... but there are some of us who do not enjoy that at all!
For me, there are MUCH better uses of time when running during
Jon Perelstein wrote:
Is there any chance that Elecraft will develop a data jack add-on kit for
the K2?
I do a lot of PSK and other digital modes with mine, and it's a pain to
use
the mic plug and headphone jack as my connection points to the radio (if
for
no other reason than the
We are announcing the release of W2 Firmware rev 0.96.
The W2 firmware will be the new version your W2 Utility program
downloads from our ftp site (automatically, if you have the Copy new
files from Elecraft into local folder box checked). Here's what's new...
*Rev 0.96, 8-Feb-2010*
*
I got Tom's splitter box today in the mail.
Tom was nice enough to assemble them for me because of on stroke.
What a nice box and board!!!
I ripped out me half a$$ed wiring and inserted the box.
Found out I actually had a poor connection and now the old Motorola speakers
sound great!!!
Tom -
I think I've tried everything.
I have the David Clark and another Sound studio set of over-the-ear
headphones that are rated at around 24db isolation. Both of them are
not sufficient for my shack environment when its noisy.
I think the best I have are custom molded inner-ear units that I had
Richard,
All controls are not for everyone. There are those who just want to
operate, and the default setting should be their choice.
For those who want performance enhancement, then several of us are
trying to give instructions about how to effectively do that - because
the K3 does provide
Well said!
I'm just glad I bought my K3 before I got too involved in some of the
discussion on here. If I hadn't I might not have done it and then I would be
missing out on this wonderful radio.
To paraphrase what some others have said: This one is a keeper and I am taking
it with me to my
Man thats a GREAT little picture! That one is going in the archive!
~Brett
On Mon, 2010-02-08 at 20:43 +, Ken Kopp wrote:
This just appeared on eham.net. This is good data, done by someone who
knows how to do it. If nothing else, it is good comparison reference.
Alan
I'll repeat this in this thread:
I hope people do not make the mistake of using in-the-ear earbuds with ham
radios, even the K3. These in-the-ear phones like the etymotic or the shure
have to be put pretty deep into the ear canal to seal and provide isolation.
They are wonderful for hi-fi.
Coming from CW, and being fairly new to other digital modes, I liked the
option with PSK D to occasionaly use the paddle instead of the keyboard.
Also, because I would sometimes use the radio stand alone for PSK D/FSK D,
it made sence to get used to how it works while I have the computer on and
I've experimented almost daily during the last two Winter seasons
searching 160M CW signals and making a few contacts. Not S9+, not
loud and crowded Contesting or operating EU from the East Coast of
NA, but typically weak signals from the middle of KL7.
I'm under the Aurora's influence in a
Fully agree !
Race cars need fine (and often) tuning to get their best for each races, K3's
are the same.
But my main main thing is to enjoy and have a lot of fun to chase the weak
signal, specially in big pilups in SSB with my exotic callsign. Using for ssb
FC: 0.95 and Width: 1.6k (6k, 2.8
Hi Richard,
The Dance referred to the posted conversations about AGC, not
changing settings while operating the K3. The only time I monkey with
DSP and the AGC is when I'm testing something out. And before all the
testing the last couple of weeks, I had not changed the AGC settings
in over a
The threads about a kit amplifier got me thinking.
It is now 1999. The market is saturated with well established companies
such as Yaesu, Icom and Kenwood selling high quality radios. Ham radio
technology is stagnant with no major leaps in the horizon. The average
amateur is aging rapidly with
I learned a little new thing about Toyota marketing just this week. Toyota of
course has been
in the news lately with the massive recalls. It was reported that the Toyota
Prius Hybrid
is subsidized by about $2500 to $3000 by Toyota. That is, the Prius whole sale
price to
the dealers is a
Hi Guys,
I have recently received a spam using the address that I only use for
mail to and from the Elecraft reflector. So I am wondering if the list
of email addresses is secure. Anyone else have this problem? Anything
that can be done about it?
73
Kevin
VK3DAP / ZL2DAP
Hi Conway,
Through out the years with Elecraft, I feel they are successful in identifying
a small but loyal market segment of customers.
As you have been aware, ham population is shrinking. My boy has no interest to
play my whole list of radios though he got his ham ticket at the age of 16.
That's pretty silly when you consider that any amplifier will take (or maybe
has already taken) a LOT of development work, likely incur a lot of tooling
expenses, and would provide very little pull-through for their other products
(which already sell very well on their own). If they don't
98 matches
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