Copper Talk » Manufacturers Questions » RF Limited / Magnum » OMEGAFORCE S-45 and MAGNUM S-3 /S-6/S-9 AMPLIFIER TIPS! « Previous Next »

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Tech808
Posted on Friday, January 16, 2004 - 6:47 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

The Following tips are Direct from Sam Lewis at RF Limited and Designed to give you 100% use of your Radio's when using an Amplifier with them.

Owner's of the MAGNUM RADIO's S-3, S-6, S-9 and S-45 Omega Force and other Radio's that will be using the TOP GUN BOARD, need to read the Following Owner's Tip's.

TIP #1

AMPLIFIER USE with the NEW TOP GUN BOARD!

NOTICE!

These Radio's were NOT designed to be used with 2 Pill Amplifiers!

These New Radio's with the NEW TOP GUN BOARD'S are designed to be used with an AMPLIFIER that has at Least 4-2879's or more, that need's NO Driver / Exciter Stage.

The Ideal Amplifier for use with the Omega Force S-45 or Magnum S-3, S-6, S-9 is the Texas Star 500 with 4- 2SC2879's. With NO DRIVER / EXCITER Stage.

These Radio's with the TOP GUN BOARD were designed to eliminate the need or use of a Driver / Exciter.

For use with other Amplifier's that Use a Driver/Exciter such as the Texas Star 667 that uses 1-SC2290 driving 4-2SC2879's you need to READ the following instructions.

Be Very careful that the Power to the Driver / Exciter is set to NO more than 4 watts and NO More than 12 watts PEP.

Otherwise you will have too much Gain going into the Driver.

It is highly recommended that you have a Professional Set these adjustments for you.

These Tip’s are to help you achieve Top Performance and help you to avoid any problem's that may arise.

As Sam continues to inform me of additional Tip's / Trick's on the RF Limited Product's, I will be posting them for the Owner's of these New radio's.


Lon
Tech808
CEF808
N9CEF
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Tech808
Posted on Friday, January 16, 2004 - 11:06 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

TIP #2

For those of you who have noticed you have No Carrier if you turn your Carrier (PWR) knob all the way to the left (Counter Clockwise) This is NOT a problem with the Radio.

The reason for this is with the (PWR) Knob turned all the way to the LEFT (Counter Clockwise) you are actually turning the Transmitter OFF.

The "PWR" Knob has to be cracked open a little for the Transmitter to function properly.

Another Helpful Tip from Sam.

Lon
Tech808


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Scrapiron63
Posted on Saturday, January 17, 2004 - 9:45 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Since I got the Omegaforce before these tips became available, I had to find out these things by trail and error, and luckly without much error.
When I first hooked up mine, it was on base with power supply, I got a check with my regular bunch, radio only, excellent reports. Then I tried my 2-pill solid state base amp, with one watt carrier, modulator on, the report was very choppy modulation, so I knew the amp would not take the modulator, I turned it off, mike gain about 12 oclock and got good reports. I've also tried it with a couple of 2 pill mobile amps, still on base operation, and get good reports with the topgun modulator OFF and 1 to 2 watts carrier. On sideband, I keep the power down to about 15 watts pep and have used it for extended periods into the 2 pill base amp with no problems.
Tube amps are another story, i've tried the radio with three different tubetype amps, carrier about 2 watts with the topgun modulator on, and the results are great, on the meter and reports from others, it doesn't overdrive at all.
On tip 2 about the power knob, when I got my omegaforce I would get a real high carrier on AM with the power all the way up. After awhile, I checked the RV adjustments, RV-116 SSB ALC and RV118 AM power, they were all the way open. I lowered both adjustments, but found I would lose carrier with the power control turned completly counter clockwise. With both RV adjustments wide open, I can turn the external power control all the way down and have 1 watt keyup. So that's how I left mine, I didn't like losing the carrier, then having to find the spot where it kicks in, and it would be above 1 watt. Don't know if all the radios work the same, but thats how mine is, and its still an excellent radio in my opinion. Scrapiron
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Pointman
Member
Username: Pointman

Post Number: 78
Registered: 7-2003
Posted on Tuesday, March 23, 2004 - 2:22 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Can I run my KLV-500 with an Omega Force?
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Tech808
Moderator
Username: Tech808

Post Number: 1909
Registered: 8-2002
Posted on Tuesday, March 23, 2004 - 3:18 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

As stated above and below.

These New Radio's with the NEW TOP GUN BOARD'S are designed to be used with an AMPLIFIER that has at Least 4-2879's or more, that need's NO Driver / Exciter Stage.

The Ideal Amplifier for use with the Omega Force S-45 or Magnum S-3 is the Texas Star 500 with 4- 2SC2879's. With NO DRIVER / EXCITER Stage.

NOTE!

I would not recommend even trying it with the KL 500 as it might just go POOF.

The KL500 requires a 1 to 4 watt Drive and with the Omega Force you would have to have it backed all the way down PROFESSIONALLY to almost nothing to use it with the KL-500 which would defeat most all of the Feature's of the Radio.

The KL-500 is a VERY GOOD LOW DRIVE AMP but it was not designed to be used with such powerful radio's as the New MAGNUM Omega Force S-45 & MAGNUM S-3's.

As stated above in the 1st Post, the Minimum Amplifier suggested for for use with these radio's are the Texas Star 500 or Similar Amplifier's with at LEAST 4 - 2SC2879 pills in them.


Lon
Tech808


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Pointman
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Username: Pointman

Post Number: 83
Registered: 7-2003
Posted on Friday, March 26, 2004 - 5:48 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Lon,
I have been digesting your response to me for a few days know.
I feel your response comes off a bit strong, kinda like I am some kind of idiot or something.
I felt this way the first time I read it so I gave it a few days and I still feel this way.
I have read extensively on the internet that the KL-500 (with a low dead key of course) is a pretty tough little amp, I have proven this first hand, (many times by tired accident) and have improved it with a bottom mounted 4.75 inch external fan with venting out the bottom and back.
I have also read on other forums the people ARE running the Omega with two pills and are having great success.
I have also been in contact with another tech who has a totally different opinion about the KL-500 and the Omega.
Needless to say the waters are a bit cloudy here and thus I asked.
I did not feel that it was a bad question and still don't.
There is no such thing as a "stupid" question but your response made me feel that there is.

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Tech808
Moderator
Username: Tech808

Post Number: 1952
Registered: 8-2002
Posted on Friday, March 26, 2004 - 6:14 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I did not post to insult anyone or to make anyone feel like an idiot.

I do not Know what other forum's say or what other people say about the Omega Force or the S-3 and other Amplifier's.

The Information I posted was "DIRECT" from Mr. Sam Lewis OWNER of RF Limited and Magnum Radio's.

I also Included this information in the MAGNUM S-3 REVIEW that I wrote and had APPROVED by Mr. Lewis before it was Posted on the Copper Forum here for the Member's.

My information was NOT from heresay or what other's Tech's say, or other Forum's say.

Mr. Lewis asked me to Please make the Owner's of the MAGNUM OMEGA FORCE S-45 and the MAGNUM S-3, S-6, S-9 Radios Aware and make a Post that He Personally ONLY RECOMMEND's that A 4 PILL AMP with a MINIMUM of 4 -2879's be used with the S-3, S-6, S-9 and OMEGA FORCE S-45.

If you choose to try something else that is your choice. All it can cost you is an Amp or Radio.

Personally, I myself will gladly follow the Owner of Magnum Radio's, who designed the radio's, Advice and not even try anything else.

Mr. Lewis check's this area quite frequently and I am Very Sure if I mis-represented or stated False Information he would post and correct me.

And as far Other Forum's this is THE ONLY FORUM on the Internet that Mr. Lewis PERSONALLY Participate's in.

He asked me to make a Post and Pass this information on to the Owner's of these fine radio's.

That is what I did.

This was to prevent any possible damage to the Owner's Radio's or Amplifier's.

Again, I apologize if anyone became upset with me as I only stated the FACT's that were supplied to me DIRECTLY by Mr. Lewis.

Lon
Tech808
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Pointman
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Username: Pointman

Post Number: 84
Registered: 7-2003
Posted on Friday, March 26, 2004 - 6:45 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Lon,
It's the "how" of the post not the "what".
I appreciate the "what".
I don't appreciate the "how".
Know what I mean?
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Mud_hog
New member
Username: Mud_hog

Post Number: 3
Registered: 5-2004
Posted on Thursday, June 10, 2004 - 12:55 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Tech808 I ahve a LA-900 amp I think it is 1 driving 4. Would this be acceptable to run with the Omega force?
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Tech808
Moderator
Username: Tech808

Post Number: 2630
Registered: 8-2002


Posted on Thursday, June 10, 2004 - 7:08 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Mud hog,

Sorry I have no information on the LA-900 Amplifier.

Who makes it?

Also what is the 1 drivng the 4 and what are the 4?

We need more information on the amp to try and help answer this question.

Sam Lewis (Owner of RF Limited/MAGNUM International) recommend's that No amplifer with and Exciter or Driver be used and the Amplifier needs to have at Least 4-2879 pills in it.

Lon
Tech808
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Northstar
Junior Member
Username: Northstar

Post Number: 20
Registered: 2-2002
Posted on Thursday, June 10, 2004 - 8:28 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

The LA-900 is a 1x4 I believe 2290 and 4 2879 I would not recommend running that with the Omegaforce. The LA's are no longer made.
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Tech808
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Username: Tech808

Post Number: 2633
Registered: 8-2002


Posted on Thursday, June 10, 2004 - 11:30 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Northstar is 100% correct if the LA-900 has 4-2879's in it you do not need the Driver/Exciter as the Omega Force would throw too much power into it.

Lon
Tech808
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Dodgeman
Member
Username: Dodgeman

Post Number: 66
Registered: 10-2002
Posted on Thursday, June 10, 2004 - 11:47 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I run an XForce 40012HD an drive it with a KL400 mobile with my Omegaforce in STX mode with 3 watts in DK 15 Swing 100 into the xforce an getting about 900 out on setting #1 CEF178
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Pig040
Intermediate Member
Username: Pig040

Post Number: 459
Registered: 7-2003


Posted on Friday, June 11, 2004 - 10:31 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Experimenting is what radio is all about. The manufacturers will always lean to the side of caution in regards to the power on both radios and amps. A lot depends on the particular radio that you get! Hope you dont get a "monday morning radio" Where the tech that builds it has been drinking all weekend, haha.
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Patzerozero
Junior Member
Username: Patzerozero

Post Number: 29
Registered: 7-2004
Posted on Sunday, August 15, 2004 - 10:32 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

have read these posts numerous times, but still need to ask-was sam referring to the standard texas star dx500 or the high drive dx500hdv? x-force 200 mobile amp is advertised as 2-2879 AND high drive, will it work w/S9 in topgun mode or not? what about texas star dx350hdv? as high drive units, they were to be used with the 10w/21w exports, most of which swung about 30w, give or take, is 40 plus watt swing of s9 ok, considering the extra low dead key? curious to know if after reading prior posts, dodgeman ever tried 40012hd in topgun w/out the KL400 and what kind of output he got. (i still don't see 900w w/4-2879 on 12volts, 120w x 4 = 480 x class AB & you're only in the 300w range but that's for another topic)one final question re:base amps & s9-klv1000? high drive seems as though s9 isn't enough, but standard amp & we're in the same overdrive boat again. how do we use a klv1000 w/ the s9?
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Tech808
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Username: Tech808

Post Number: 3306
Registered: 8-2002


Posted on Sunday, August 15, 2004 - 11:54 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Patzerozero,

Very easy here, Amplifier MUST have at LEAST 4-2879 PLL's with NO DRIVER/EXCITER.

And it is HIGHLY SUGGESTED / RECOMMENDED that the radio be set for use with an Amplifier by an Experienced Tech.

NO 2 Pll Amps or they will go POOF and be history.

The above information is Direct from Sam.

Hope this helps.

Lon
Tech808
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Bc910
Junior Member
Username: Bc910

Post Number: 36
Registered: 7-2004


Posted on Monday, August 16, 2004 - 8:37 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Well well well. I have the s9 and a Palomar POS :-) 250 gold with 2x455 s (if I remember correctly) And I drive it with the modultor on and rf pwr all the way down which equals about 1.5-45 watts on a cheap meter. I have had no exess heat from the amp, no bad radio checks, all good in fact and no other wierd after effects. The amp also puts out something like 10 swinging 200 on the same cheap meter with all hooked up like I explained. Am I just lucky or what?
Thanks
BC
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Airplane1
Member
Username: Airplane1

Post Number: 89
Registered: 5-2004
Posted on Wednesday, August 18, 2004 - 9:35 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

So now I`m confused, I buy a S-9 and Texas star 500 4 pill and hook it up and it`s ready to go, correct?

No mods needed!

This is how I`m takeing this info?

airplane1
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Tech808
Moderator
Username: Tech808

Post Number: 3331
Registered: 8-2002


Posted on Wednesday, August 18, 2004 - 1:58 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Airplane1,

Tips Direct from Mr. Sam Lewis:

It is HIGHLY SUGGESTED / RECOMMENDED that the Radio be set for use with an Amplifier by an Experienced Radio Technician.

And also make sure that you DO NOT use the same power supply for the AMP as you do for the Radio.

This is where an Experienced Radio Technician will be of Importance to make sure that your Setup is 100% Correct to allow you to attain Maximum Performance and Satisfaction.

Note!

The Copper Tech will NOT be able to set this up for you as Every STATION/SETUP is Different and many things need to be taken into consideration when setting this up such as Power Supply, Grounding, Antennas, Coax / Jumpers.

If the smallest thing is Wrong or Incorrect you take the chance of Burning the Radio or Amplifier or Both up and voiding your warranty on radio and amp.

It Not just a Plug and Play deal anymore with the Newer Radios and Amplifiers.

Most of the Amplifiers out there are not designed to work with the Newer Radios that are throwing out 40 to 50 Watts of power Stock.

You must use Caution and Care with the Newer High Powered Radios and also with your Installation.

Hope this helps.

Lon
Tech808

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Airplane1
Member
Username: Airplane1

Post Number: 90
Registered: 5-2004
Posted on Wednesday, August 18, 2004 - 6:33 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I was thinking of getting the S-9 but now I dont know.I dont know any good radio techs to set everything up.
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Jon666
Intermediate Member
Username: Jon666

Post Number: 255
Registered: 11-2003


Posted on Friday, August 20, 2004 - 2:23 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

have copper do it.
just got mine from copper
they did a great job tuning it
the s9 is a awsome radio
cheers to magnum int.
for making a awsome radio 200# happy
with it
thanks
jon
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Bc910
Member
Username: Bc910

Post Number: 52
Registered: 7-2004


Posted on Saturday, August 21, 2004 - 12:04 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I would like to state that IN MY OPINION the frequency mod was easy. I understand some people may have a problem, and I would definitely not suggest you do it if you don't feel completely comfortable!!! But for me it was a cinch and I AM NOT, IN NO WAY A TECH! Now as far as everything else goes, as many other people have mentioned, the radio is near perfect as far as everything else goes, shouldn’t need a tech to adjust anything except for, maybe a small alignment.

Good luck
BC
PS Jon666, what state you live in? Just hopin' I can hear it and visa-versa.
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Jon666
Intermediate Member
Username: Jon666

Post Number: 258
Registered: 11-2003


Posted on Saturday, August 21, 2004 - 6:26 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

upstate new york
abour 30miles south
of the canada border
jon
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Bc910
Member
Username: Bc910

Post Number: 55
Registered: 7-2004


Posted on Saturday, August 21, 2004 - 8:29 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Darn, I'm in south central Indiana. These radios are still pretty rare and as I'm sure you know it is hard to hear your own radio so I can't wait to hear someone elses! Well have fun
BC
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Jon666
Intermediate Member
Username: Jon666

Post Number: 259
Registered: 11-2003


Posted on Saturday, August 21, 2004 - 9:19 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

thanks
im having a ball with mine
i have 2 microphones hooked up to it
fun fun fun
using it as a base
jon
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Bc910
Member
Username: Bc910

Post Number: 58
Registered: 7-2004


Posted on Saturday, August 21, 2004 - 9:34 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

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