How big of a linear can a semi run without creating a proble

Post by **night owl** » June 17th, 2011, 9:02 pm

I like texas star, and am open to others. I just do not need to create a problem. Power drain or computer problem ect. Linear will be run with proper power cables and fuse.

Post by **maters** » June 26th, 2011, 10:15 pm

A sweet 16 connected to a CLEAN radio is fine.

A 29/33/general lee and add your favorite , clipped diodes and peaked will make any electronics suffer.

Post by **busdriver389** » July 21st, 2011, 8:31 pm

I ran a 2X8 in mine with no problems. Be careful with texas stars they are amp hogs.

352 Smiley · Post by **352 Smiley** » August 23rd, 2011, 6:12 am

i whould use a 1by4 max to play it safe

Post by **jessejamesdallas** » August 23rd, 2011, 5:53 pm

Depends on how deep your pockets are, and how well it's installed...I know guys that run 16-24 pill Amps in Big Trucks with no problems, and I know guys that have shut their motors down with 2-pill box's...

Post by **Big_Mic** » February 3rd, 2013, 1:32 pm

Currently running a 2x12 with upgraded alternator in a 2012 Freightliner Cascadia at 3,000 watts output... do it all day long... careful antenna installation and choice of coax are 2 areas too concentrate on.... LMR 400 I use for everything... And antenna is mounted off the back behind cab...

Post by **RustyFinger** » February 16th, 2013, 3:03 pm

Big_Mic wrote:Currently running a 2x12 with upgraded alternator in a 2012 Freightliner Cascadia at 3,000 watts output... do it all day long... careful antenna installation and choice of coax are 2 areas too concentrate on.... LMR 400 I use for everything... And antenna is mounted off the back behind cab...

How did you run your coax into yhe cab thank you Rusty

Post by **Big_Mic** » February 16th, 2013, 3:09 pm

Drilled hole behind cab up underneath and brought it on to bunk.. used caulk after running coax to seal around the area where the coax was run through... in all I drilled 4 holes... 1 for the coax and 2 for the #2 positive cable and 1 for the #4 negative cable... The battery cable holes were drilled underneath near the battery box ....

Post by **RustyFinger** » February 16th, 2013, 3:12 pm

So coax just runs down the back of the cab.have aready ran power up in the caab mounted annt on my head acke rack.

Post by **Big_Mic** » February 16th, 2013, 3:16 pm

Yes the coax runs down the cab... looped the coax a bit and used a couple zip ties to keep the coax from pullin g on the connector.

Post by **RustyFinger** » February 16th, 2013, 3:17 pm

Big_Mic wrote:Yes the coax runs down the cab... looped the coax a bit and used a couple zip ties to keep the coax from pullin g on the connector.

how long of coax did you use? Rusty

Post by **Big_Mic** » February 16th, 2013, 3:22 pm

Coax if I remember right was about 20 feet... that got it too the bird.. than 6 feet off of that to the amplifier ... than the jumper between radio and amp was about 9 feet... SWR reflected is about 1/2 percent to 1 percent at a full 3000 watts.

Post by **3ZERO8** » February 16th, 2013, 3:25 pm

Dang your swr are that low at 3KW??? What antenna are you running?

-3ZERO8 Texas

Post by **RustyFinger** » February 16th, 2013, 3:27 pm

Thank you ,for the info.Rusty

Post by **Big_Mic** » February 16th, 2013, 3:29 pm

Running a K40 Coil antenna and yes it is... Mounting it behind the cab and tilting it back slightly toward the trailer increases the feed point impedance giving me a near perfect match... between a combination of tilting the antenna back and trimming it along with good coax... I was able to achieve this.

Sat Feb 16, 2013 5:32 pm

I've also sealed all connections with a clear sealant so I can use it rain or shine without much change due to weatger

Post by **Pistol_Pete** » September 27th, 2013, 8:15 pm

Out of my liege

Post by **MDYoungblood** » September 28th, 2013, 10:17 am

jessejamesdallas wrote:Depends on how deep your pockets are, and how well it's installed.

This is the best answer on this topic.

3's

Greg

Sat Sep 28, 2013 12:21 pm

It actually pertains to any linear install.

3's
again

Greg

Post by **silvereagle1** » September 28th, 2013, 2:19 pm

Yep, I've ran across a few of those bugs myself in the past few days. All cleared up now I think but i'm finding out you'll find problems in places you never thought to look.

CB Radio Talk

How big of a linear can a semi run without creating a proble

How big of a linear can a semi run without creating a proble

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