ProSoundWeb Community

Please login or register.

Login with username, password and session length
Advanced search  

Pages: [1]   Go Down

Author Topic: High Capacity Antenna Combiners?  (Read 2251 times)

Travis.Riddle

  • Newbie
  • *
  • Offline Offline
  • Posts: 4
High Capacity Antenna Combiners?
« on: April 08, 2014, 09:52:58 am »

Just curious if any of you have found solutions for combining lots of RF (20+). I am currently using the Sennheiser combiner but would like to consolidate the space if possible. Thanks!
Logged

Cameron Stuckey

  • Full Member
  • ***
  • Offline Offline
  • Posts: 133
  • New York City
Re: High Capacity Antenna Combiners?
« Reply #1 on: April 08, 2014, 10:34:22 am »

Just curious if any of you have found solutions for combining lots of RF (20+). I am currently using the Sennheiser combiner but would like to consolidate the space if possible. Thanks!

Transmitter combiners are limited to 8 inputs per 1RU, whether it be the PWS GX8, RAD TX8, Shure PA821A, or Sennheiser AC3200.
Logged

Jens Palm Bacher

  • Sr. Member
  • ****
  • Offline Offline
  • Posts: 315
    • Lydfabrikken
Re: High Capacity Antenna Combiners?
« Reply #2 on: April 08, 2014, 04:28:35 pm »

Just curious if any of you have found solutions for combining lots of RF (20+). I am currently using the Sennheiser combiner but would like to consolidate the space if possible. Thanks!
an 8 channel combiner in 1u is already pushing it, so more channels would just mean a bigger combiner. 20ch would be 4-5u minimum. Also remember that as you combine more channels you need to amplify each channel more in the combiner, giving bigger heat issues.
Logged

Mac Kerr

  • Old enough to know better
  • Administrator
  • Hero Member
  • *****
  • Offline Offline
  • Posts: 6508
  • Audio Plumber
Re: High Capacity Antenna Combiners?
« Reply #3 on: April 08, 2014, 11:16:28 pm »

Just curious if any of you have found solutions for combining lots of RF (20+). I am currently using the Sennheiser combiner but would like to consolidate the space if possible. Thanks!

Are you talking about combining IEM transmitters, or wireless mics. IEM combiners are generally limited to 8, but there are bigger microphone receiver antenna distribution systems.

Mac
Logged

Scott Helmke

  • Hero Member
  • *****
  • Offline Offline
  • Posts: 1371
Re: High Capacity Antenna Combiners?
« Reply #4 on: April 09, 2014, 09:08:15 am »

The Shure PA821 has an accessory 2 to 1 passive combiner on its front panel, and the manual shows it being used to combine the outputs of two PA821's for transmission via one antenna. (so 16 to 1). I haven't done this myself on a show site, but we've rented out systems using that feature with no complaints from the customers.
Logged

Chris Johnson [UK]

  • Sr. Member
  • ****
  • Offline Offline
  • Posts: 446
Re: High Capacity Antenna Combiners?
« Reply #5 on: April 09, 2014, 09:20:02 am »

There are plenty of solutions for these kind of large combiner projects, but they tend not to be listed on consumer websites, since they are special order items.

People like Saras make these things for big TV projects and the like where you might have to combine 10 or more pairs of antennas to feed a single rack of RF receivers.

What is your application?
Logged
Riedel Communications

Jim McKeveny

  • Hero Member
  • *****
  • Offline Offline
  • Posts: 1075
Re: High Capacity Antenna Combiners?
« Reply #6 on: April 10, 2014, 10:15:20 am »

We are all running blind here: are you transmitting or receiving?

We also have to assume that all of your intermod, frequency band(s), and antenna homework has been done.

If you are searching for cheap vs. best practice, look at Mini-Circuits splitters/combiners. If you REALLY know what you are doing some of their products may be of help. If you REALLY DON'T know what you are doing enlist professional RF help.
Logged
Pages: [1]   Go Up
 


Page created in 0.037 seconds with 23 queries.