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OMNI VII vs Elecraft K3

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Anthony Rick

OMNI VII vs Elecraft K3

I am a long time Ten Tec user interested in upgrading. I have never
used a piece of Elecraft equipment but am very intrigued by the K3.
Are there any Elecraft users who can give me some advice about what I
may expect from the K3 vs the OMNI VII since they are both near the
same price?

Thanks,
Anthony
AA9OC
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Greg - AB7R

Re: OMNI VII vs Elecraft K3

Hi Anthony,

This would be difficult to do since the K3 has not hit the
streets yet.

While the VII has an ethernet port for remote control, the
K3 will have an extensive array of remote capabilities
built into its updatable firmware.

The K3 receiver specs should be vastly better than the
VII, though official specs have not yet been released as
final testing is not done yet.

The K3 has full dual RX with both receivers being of the
same quality / architecture. Not an inferior sub receiver
as employed by some other dual rx radios.

K3 has digital mode encode and decode ability without the
need of an external computer. You can even send RTTY and
PSK using your CW key!

K3 has more choices of roofing filters and allows you to
include only those accessories you want...saving you $$ on
what you don't want.

Due to the K3 modular design, in most cases if something
were to go wrong and could be pinpointed to a specific
board, you would likely only need to send that board in
for repair/replacement. No need to send the entire radio
risking shipping damage.

I could go on and on but I think you get the idea. My
best recommendation would be to go to the Elecraft website
and review the FAQ and the spec sheet and compare that
with what is available for the Omni VII. Then choose what
is best for you.

73 and good luck,
Greg
AB7R

On Mon, 14 May 2007 13:26:09 -0500
"Anthony Rick" <[hidden email]> wrote:

> I am a long time Ten Tec user interested in upgrading.
> I have never
> used a piece of Elecraft equipment but am very intrigued
>by the K3.
> Are there any Elecraft users who can give me some advice
>about what I
> may expect from the K3 vs the OMNI VII since they are
>both near the
> same price?
>
> Thanks,
> Anthony
> AA9OC
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

Gary D Krause

Re: OMNI VII vs Elecraft K3

In reply to this post by Anthony Rick

Hi Anthony,

I can't really answer your question but, I would like to tell you my
experience so far with building a K2. I'm still in the process of building it
but, it is very impressive. The quality of the construction and parts is
outstanding. It also has an all metal case including the face plate. If this
is any indication of what the K3 is like, I will be ordering one in a couple
of months. Hopefully the dust will have died down by then. :-) It just feels
solid, rugged and I know it will last a long time. The support is also
fantastic and they are very friendly people.

I've looked at the Omni VII myself when it was first announced and it seems
like a great rig. However, I didn't want to spend that kind of money. I like
the fact that I can add whatever I want to the K2 and K3 to fit the type of
operating that I do. I would have to disagree with the price being about the
same since that will vary from individual to individual depending on their
type of operating. It's really nice to have this kind of flexibility.

Gary, N7HTS

On Mon, 14 May 2007 13:26:09 -0500
"Anthony Rick" <[hidden email]> wrote:

> I am a long time Ten Tec user interested in upgrading. I have never
> used a piece of Elecraft equipment but am very intrigued by the K3.
> Are there any Elecraft users who can give me some advice about what I
> may expect from the K3 vs the OMNI VII since they are both near the
> same price?
>
> Thanks,
> Anthony
> AA9OC
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

Bill VanAlstyne W5WVO

Re: OMNI VII vs Elecraft K3

In reply to this post by Greg - AB7R

Anthony,

I spent a long time lurking on the OMNI-VII Yahoo group and was primed to buy
one -- until the K3 was announced. In addition to everything Greg says below,
I think the most significant single difference between the two receivers is
that the OMNI-VII uses a typical up-conversion scheme for the first IF, with
its narrow filters in the 2nd IF. The K3 uses a down-conversion scheme at the
first IF. This allows use of very narrow roofing filters in the first IF,
while the OMNI-VII must depend only upon optimizing IF stage gain distribution
to minimize close-in IMD through the first IF. They obviously did a good job
of that, as the 80 dB 2 kHz DR3 shows, but it is expected the K3 will test
significantly higher than that, most likely in the vicinity of the ORION-II.
Of course that's speculation at this point, since the actual numbers aren't
out yet, but it is well-informed, highly credible speculation. :-)

And you don't give away general-coverage receive capabilities, as you do with
many ham-optimized down-conversion receivers. It is simply a brilliant design,
IMO. I have one on order.

Bill / W5WVO

FISCHER,GREG wrote:

> Hi Anthony,
>
> This would be difficult to do since the K3 has not hit the
> streets yet.
>
> While the VII has an ethernet port for remote control, the
> K3 will have an extensive array of remote capabilities
> built into its updatable firmware.
>
> The K3 receiver specs should be vastly better than the
> VII, though official specs have not yet been released as
> final testing is not done yet.
>
> The K3 has full dual RX with both receivers being of the
> same quality / architecture. Not an inferior sub receiver
> as employed by some other dual rx radios.
>
> K3 has digital mode encode and decode ability without the
> need of an external computer. You can even send RTTY and
> PSK using your CW key!
>
> K3 has more choices of roofing filters and allows you to
> include only those accessories you want...saving you $$ on
> what you don't want.
>
> Due to the K3 modular design, in most cases if something
> were to go wrong and could be pinpointed to a specific
> board, you would likely only need to send that board in
> for repair/replacement. No need to send the entire radio
> risking shipping damage.
>
> I could go on and on but I think you get the idea. My
> best recommendation would be to go to the Elecraft website
> and review the FAQ and the spec sheet and compare that
> with what is available for the Omni VII. Then choose what
> is best for you.
>
> 73 and good luck,
> Greg
> AB7R
>
>
> On Mon, 14 May 2007 13:26:09 -0500
> "Anthony Rick" <[hidden email]> wrote:
>> I am a long time Ten Tec user interested in upgrading.
>> I have never
>> used a piece of Elecraft equipment but am very intrigued
>> by the K3.
>> Are there any Elecraft users who can give me some advice
>> about what I
>> may expect from the K3 vs the OMNI VII since they are
>> both near the
>> same price?
>>
>> Thanks,
>> Anthony
>> AA9OC
>> _______________________________________________
>> Elecraft mailing list
>> Post to: [hidden email]
>> You must be a subscriber to post to the list.
>> Subscriber Info (Addr. Change, sub, unsub etc.):
>> http://mailman.qth.net/mailman/listinfo/elecraft
>>
>> Help: http://mailman.qth.net/subscribers.htm
>> Elecraft web page: http://www.elecraft.com
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

Bob Nielsen

Re: OMNI VII vs Elecraft K3

On May 14, 2007, at 1:53 PM, Bill W5WVO wrote:

> Anthony,
>
> I spent a long time lurking on the OMNI-VII Yahoo group and was
> primed to buy one -- until the K3 was announced. In addition to
> everything Greg says below, I think the most significant single
> difference between the two receivers is that the OMNI-VII uses a
> typical up-conversion scheme for the first IF, with its narrow
> filters in the 2nd IF. The K3 uses a down-conversion scheme at the
> first IF. This allows use of very narrow roofing filters in the
> first IF, while the OMNI-VII must depend only upon optimizing IF
> stage gain distribution to minimize close-in IMD through the first
> IF. They obviously did a good job of that, as the 80 dB 2 kHz DR3
> shows, but it is expected the K3 will test significantly higher
> than that, most likely in the vicinity of the ORION-II. Of course
> that's speculation at this point, since the actual numbers aren't
> out yet, but it is well-informed, highly credible speculation. :-)
>
> And you don't give away general-coverage receive capabilities, as
> you do with many ham-optimized down-conversion receivers. It is
> simply a brilliant design, IMO. I have one on order.
>
> Bill / W5WVO

That lead to a question I hadn't considered before. How is general
coverage in the vicinity of the first i.f. achieved?

Bob, N7XY

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Don Wilhelm-3

Re: GC Receive at IF frequency

Bob,

That is done with high side mixer LO injection and adequate isolation
between the antenna and the IF.

73,
Don W3FPR

Bob Nielsen wrote:

>
> That lead to a question I hadn't considered before. How is general
> coverage in the vicinity of the first i.f. achieved?
>
> Bob, N7XY
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Post to: [hidden email]
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Greg - AB7R

Re: OMNI VII vs Elecraft K3

In reply to this post by Bob Nielsen

Hi Bob,

This is from the FAQ. Hope it answers your question.

73
Greg

With a first IF of around 8 MHz, how can the receiver be
general coverage? Will there not at least be hole in the
coverage around the IF frequency?

General does not mean continuous in this case. There is a
small gap at 8.215 MHz. You may be able to tune to this
frequency, or not, depending on the firmware. There is a
trap circuit to suppress response at this frequency, so
the receiver won't work very well within several kHz of
8.215 MHz if it does allow you to tune there.

On Mon, 14 May 2007 14:03:30 -0700
Bob Nielsen <[hidden email]> wrote:

>
> On May 14, 2007, at 1:53 PM, Bill W5WVO wrote:
>
>> Anthony,
>>
>> I spent a long time lurking on the OMNI-VII Yahoo group
>>and was
>> primed to buy one -- until the K3 was announced. In
>>addition to
>> everything Greg says below, I think the most significant
>>single
>> difference between the two receivers is that the
>>OMNI-VII uses a
>> typical up-conversion scheme for the first IF, with its
>>narrow
>> filters in the 2nd IF. The K3 uses a down-conversion
>>scheme at the
>> first IF. This allows use of very narrow roofing filters
>>in the
>> first IF, while the OMNI-VII must depend only upon
>>optimizing IF
>> stage gain distribution to minimize close-in IMD through
>>the first
>> IF. They obviously did a good job of that, as the 80 dB
>>2 kHz DR3
>> shows, but it is expected the K3 will test significantly
>>higher
>> than that, most likely in the vicinity of the ORION-II.
>>Of course
>> that's speculation at this point, since the actual
>>numbers aren't
>> out yet, but it is well-informed, highly credible
>>speculation. :-)
>>
>> And you don't give away general-coverage receive
>>capabilities, as
>> you do with many ham-optimized down-conversion
>>receivers. It is
>> simply a brilliant design, IMO. I have one on order.
>>
>> Bill / W5WVO
>
> That lead to a question I hadn't considered before. How
>is general coverage in the vicinity of the first i.f.
>achieved?
>
> Bob, N7XY
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

Anthony Rick

Re: OMNI VII vs Elecraft K3

In reply to this post by Bill VanAlstyne W5WVO

Thank you all for taking the time to write such quality responses. I
received several replies that showed a point-by-point comparison of
both transceivers which was very useful.

Based on features, performance, and price I'm pretty sure I will go
with a K3. One other point worth mentioning is that I have been very
impressed with the intellectual camaraderie of the Elecraft designers
and group. That in itself seems to place Elecraft far ahead of Yaesu,
Icom, and Kenwwod.

Is there a "K VHF/UHF" in the stars? A 100w multimode transceiver for
144 MHz and 440 MHz to replace my IC-820H.

73

Anthony
AA9OC

On 5/14/07, Bill W5WVO <[hidden email]> wrote:

> Anthony,
>
> I spent a long time lurking on the OMNI-VII Yahoo group and was primed to buy
> one -- until the K3 was announced. In addition to everything Greg says below,
> I think the most significant single difference between the two receivers is
> that the OMNI-VII uses a typical up-conversion scheme for the first IF, with
> its narrow filters in the 2nd IF. The K3 uses a down-conversion scheme at the
> first IF. This allows use of very narrow roofing filters in the first IF,
> while the OMNI-VII must depend only upon optimizing IF stage gain distribution
> to minimize close-in IMD through the first IF. They obviously did a good job
> of that, as the 80 dB 2 kHz DR3 shows, but it is expected the K3 will test
> significantly higher than that, most likely in the vicinity of the ORION-II.
> Of course that's speculation at this point, since the actual numbers aren't
> out yet, but it is well-informed, highly credible speculation. :-)
>
> And you don't give away general-coverage receive capabilities, as you do with
> many ham-optimized down-conversion receivers. It is simply a brilliant design,
> IMO. I have one on order.
>
> Bill / W5WVO
>
>
> FISCHER,GREG wrote:
> > Hi Anthony,
> >
> > This would be difficult to do since the K3 has not hit the
> > streets yet.
> >
> > While the VII has an ethernet port for remote control, the
> > K3 will have an extensive array of remote capabilities
> > built into its updatable firmware.
> >
> > The K3 receiver specs should be vastly better than the
> > VII, though official specs have not yet been released as
> > final testing is not done yet.
> >
> > The K3 has full dual RX with both receivers being of the
> > same quality / architecture. Not an inferior sub receiver
> > as employed by some other dual rx radios.
> >
> > K3 has digital mode encode and decode ability without the
> > need of an external computer. You can even send RTTY and
> > PSK using your CW key!
> >
> > K3 has more choices of roofing filters and allows you to
> > include only those accessories you want...saving you $$ on
> > what you don't want.
> >
> > Due to the K3 modular design, in most cases if something
> > were to go wrong and could be pinpointed to a specific
> > board, you would likely only need to send that board in
> > for repair/replacement. No need to send the entire radio
> > risking shipping damage.
> >
> > I could go on and on but I think you get the idea. My
> > best recommendation would be to go to the Elecraft website
> > and review the FAQ and the spec sheet and compare that
> > with what is available for the Omni VII. Then choose what
> > is best for you.
> >
> > 73 and good luck,
> > Greg
> > AB7R
> >
> >
> > On Mon, 14 May 2007 13:26:09 -0500
> > "Anthony Rick" <[hidden email]> wrote:
> >> I am a long time Ten Tec user interested in upgrading.
> >> I have never
> >> used a piece of Elecraft equipment but am very intrigued
> >> by the K3.
> >> Are there any Elecraft users who can give me some advice
> >> about what I
> >> may expect from the K3 vs the OMNI VII since they are
> >> both near the
> >> same price?
> >>
> >> Thanks,
> >> Anthony
> >> AA9OC
> >> _______________________________________________
> >> Elecraft mailing list
> >> Post to: [hidden email]
> >> You must be a subscriber to post to the list.
> >> Subscriber Info (Addr. Change, sub, unsub etc.):
> >> http://mailman.qth.net/mailman/listinfo/elecraft
> >>
> >> Help: http://mailman.qth.net/subscribers.htm
> >> Elecraft web page: http://www.elecraft.com
> >
> > _______________________________________________
> > Elecraft mailing list
> > Post to: [hidden email]
> > You must be a subscriber to post to the list.
> > Subscriber Info (Addr. Change, sub, unsub etc.):
> > http://mailman.qth.net/mailman/listinfo/elecraft
> >
> > Help: http://mailman.qth.net/subscribers.htm
> > Elecraft web page: http://www.elecraft.com
>
>
>

Brett gazdzinski-2

RE: OMNI VII vs Elecraft K3

Looking at the ten tec web site, I cant help thinking their
gear looks like cheap plastic boxes for the money.

They have raised markings for the controls and so on,
but no paint or anything, while the other usual suspects
have brushed gold highlights, etc.

Yes, how well something works is more important, but you spend
a lot of time LOOKING at a radio.
If I was to spend 2 to 4 grand, I want the brushed gold
highlights, not something that looks like radio shack stuff.

While I think the K3 could have more knobs and individual controls,
and a real meter, the radio looks very quality to me.
I like the looks of the K2 also.

Brett
N2DTS

>
> Thank you all for taking the time to write such quality responses. I
> received several replies that showed a point-by-point comparison of
> both transceivers which was very useful.
>
> Based on features, performance, and price I'm pretty sure I will go
> with a K3. One other point worth mentioning is that I have been very
> impressed with the intellectual camaraderie of the Elecraft designers
> and group. That in itself seems to place Elecraft far ahead of Yaesu,
> Icom, and Kenwwod.
>
> Is there a "K VHF/UHF" in the stars? A 100w multimode transceiver for
> 144 MHz and 440 MHz to replace my IC-820H.
>
> 73
>
> Anthony
> AA9OC
>
>

Greg - AB7R

RE: OMNI VII vs Elecraft K3

In reply to this post by Anthony Rick

Not that I'm aware of, but the K3 is VERY transverter friendly :)

Greg

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]]On Behalf Of Anthony Rick
Sent: Monday, May 14, 2007 2:37 PM
To: [hidden email]
Subject: Re: [Elecraft] OMNI VII vs Elecraft K3

Thank you all for taking the time to write such quality responses. I
received several replies that showed a point-by-point comparison of
both transceivers which was very useful.

Based on features, performance, and price I'm pretty sure I will go
with a K3. One other point worth mentioning is that I have been very
impressed with the intellectual camaraderie of the Elecraft designers
and group. That in itself seems to place Elecraft far ahead of Yaesu,
Icom, and Kenwwod.

Is there a "K VHF/UHF" in the stars? A 100w multimode transceiver for
144 MHz and 440 MHz to replace my IC-820H.

73

Anthony
AA9OC

On 5/14/07, Bill W5WVO <[hidden email]> wrote:
> Anthony,
>
> I spent a long time lurking on the OMNI-VII Yahoo group and was primed to
buy
> one -- until the K3 was announced. In addition to everything Greg says
below,
> I think the most significant single difference between the two receivers
is
> that the OMNI-VII uses a typical up-conversion scheme for the first IF,
with
> its narrow filters in the 2nd IF. The K3 uses a down-conversion scheme at
the
> first IF. This allows use of very narrow roofing filters in the first IF,
> while the OMNI-VII must depend only upon optimizing IF stage gain
distribution
> to minimize close-in IMD through the first IF. They obviously did a good
job
> of that, as the 80 dB 2 kHz DR3 shows, but it is expected the K3 will test
> significantly higher than that, most likely in the vicinity of the
ORION-II.
> Of course that's speculation at this point, since the actual numbers
aren't
> out yet, but it is well-informed, highly credible speculation. :-)
>
> And you don't give away general-coverage receive capabilities, as you do
with
> many ham-optimized down-conversion receivers. It is simply a brilliant
design,

> IMO. I have one on order.
>
> Bill / W5WVO
>
>
> FISCHER,GREG wrote:
> > Hi Anthony,
> >
> > This would be difficult to do since the K3 has not hit the
> > streets yet.
> >
> > While the VII has an ethernet port for remote control, the
> > K3 will have an extensive array of remote capabilities
> > built into its updatable firmware.
> >
> > The K3 receiver specs should be vastly better than the
> > VII, though official specs have not yet been released as
> > final testing is not done yet.
> >
> > The K3 has full dual RX with both receivers being of the
> > same quality / architecture. Not an inferior sub receiver
> > as employed by some other dual rx radios.
> >
> > K3 has digital mode encode and decode ability without the
> > need of an external computer. You can even send RTTY and
> > PSK using your CW key!
> >
> > K3 has more choices of roofing filters and allows you to
> > include only those accessories you want...saving you $$ on
> > what you don't want.
> >
> > Due to the K3 modular design, in most cases if something
> > were to go wrong and could be pinpointed to a specific
> > board, you would likely only need to send that board in
> > for repair/replacement. No need to send the entire radio
> > risking shipping damage.
> >
> > I could go on and on but I think you get the idea. My
> > best recommendation would be to go to the Elecraft website
> > and review the FAQ and the spec sheet and compare that
> > with what is available for the Omni VII. Then choose what
> > is best for you.
> >
> > 73 and good luck,
> > Greg
> > AB7R
> >
> >
> > On Mon, 14 May 2007 13:26:09 -0500
> > "Anthony Rick" <[hidden email]> wrote:
> >> I am a long time Ten Tec user interested in upgrading.
> >> I have never
> >> used a piece of Elecraft equipment but am very intrigued
> >> by the K3.
> >> Are there any Elecraft users who can give me some advice
> >> about what I
> >> may expect from the K3 vs the OMNI VII since they are
> >> both near the
> >> same price?
> >>
> >> Thanks,
> >> Anthony
> >> AA9OC
> >> _______________________________________________
> >> Elecraft mailing list
> >> Post to: [hidden email]
> >> You must be a subscriber to post to the list.
> >> Subscriber Info (Addr. Change, sub, unsub etc.):
> >> http://mailman.qth.net/mailman/listinfo/elecraft
> >>
> >> Help: http://mailman.qth.net/subscribers.htm
> >> Elecraft web page: http://www.elecraft.com
> >
> > _______________________________________________
> > Elecraft mailing list
> > Post to: [hidden email]
> > You must be a subscriber to post to the list.
> > Subscriber Info (Addr. Change, sub, unsub etc.):
> > http://mailman.qth.net/mailman/listinfo/elecraft
> >
> > Help: http://mailman.qth.net/subscribers.htm
> > Elecraft web page: http://www.elecraft.com
>
>
>

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wayne burdick

K3 and general coverage

Administrator

In reply to this post by Bob Nielsen

Bob Nielsen wrote:

>
> That lead to a question I hadn't considered before. How is general
> coverage in the vicinity of the first i.f. achieved?
>
> Bob, N7XY

Hi Bob,

As Greg (AB7R) mentioned, it isn't possible for the K3 to provide
coverage in the vicinity of our first I.F., 8.215 MHz. We felt that
this was a small price to pay, given our primary goal of offering an
excellent ham-band transceiver. However, all other bands of interest
for general coverage from 0.5 to 30 MHz can be tuned. If you have the
KBPF3 option installed (on either or both receivers), its filters will
automatically be switched in to cover the gaps between the narrow
ham-band filters. But even without the KBPF3 you'll have useful
sensitivity in shortwave broadcast segments near ham bands.

73,
Wayne
N6KR

---

http://www.elecraft.com

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g4ilo-2

Re: K3 and general coverage

What will the ATU do in general coverage mode? I guess the best thing would
be to switch straight through, but would you have to go into a menu and do
that manually whenever you tune to a non-ham band?

Julian, G4ILO

wayne burdick wrote:

Hi Bob,

As Greg (AB7R) mentioned, it isn't possible for the K3 to provide coverage
in the vicinity of our first I.F., 8.215 MHz. We felt that this was a small
price to pay, given our primary goal of offering an excellent ham-band
transceiver. However, all other bands of interest for general coverage from
0.5 to 30 MHz can be tuned. If you have the KBPF3 option installed (on
either or both receivers), its filters will automatically be switched in to
cover the gaps between the narrow ham-band filters. But even without the
KBPF3 you'll have useful sensitivity in shortwave broadcast segments near
ham bands.

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