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Antennae allotted with chan38/70


ringo

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Hi newbie alert so be gentle please , I have 6 chan38 ew100 g3 sennheisers and a couple of chan 70 g2's. ew100's. I'm thinking of using 2 asp2's to run all 8 in the same rack so asking wether this configuration will work ok

Regards Ralph

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Welcome to the Blue Room! As far as I'm aware, ASP2s are now discontinued. The unit to use with the G3 receivers is the ASA1, and this provides power to the receiver via the antennae connection. I do not think that the G2s can be powered this way, but you'd need to check with Sennhieser as to whether they will work if power is dealt with separately...

 

Simon

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Lintec have just launched a pair of paddle (log periodic) antennae that'll cover ch38 and ch70. I'm using a pair and they're behaving very well. They have an active and passive model, though I don't think any of them appear on the website yet. They also have an antenna distribution unit that's wideband ch38 and 70.

 

A few comments on this system though....

 

Yep, hands up, I'm using the above setup and it's working perfectly. BUT.....

Wideband antenna and ADU systems come with a risk. Using a narrowband antenna helps reject off channel interference. It's effectively an extra stage of filtering for you. A wideband system is open to all the nasties kicking around off channel and mean your receivers are going to have to do all the filtering. A high power off channel signal will cause your receiver to desense. I've seen this in my local venue because the Emley Moor TV mast is pretty much through the back of the stage (straight where I'm pointing my aerials) and has channel 5 a couple of channels away from ch38. Thankfully this won't be a problem in less than a month's time.....

 

I have one rack of ch38 and one rack of ch70, with the RF chained through both (passive splits, not via the ADU of the first rack - lots of stages of gain asks for intermods). One idea I had was that after the split in each rack, I could stick in a bandpass filter to help reject off channel rubbish. These cost a fair bit though and to be honest so far, haven't been necessary.

 

RF, it's magic! Until it decides not to work, then it's pure evil. Unfortunately it's one of those things that one day will be fine and the next, will cough. I've done 4 runs of shows with this new setup so far and haven't had an issue yet.

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Thanks for the detailed replies , I will check out the Lintec gear. The ASPS are discontinued but im looking to pick up secondhand units , as the ASA1's are expensive . It sounds like It would be safer to run the two ASP's on six G3's on just the Channel 38's and get another two Chan 38 mics to make up the eight (funds permitting). The ASPs will still power the G3's via the separate 12v cables. I can then use the chan 70 stuff on another ASP2 I'm lucky enough to find a third PDU

 

Any suggestions on some good channel 38 Antennae to attach to the ASP's?

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Thanks for the detailed replies , I will check out the Lintec gear. The ASPS are discontinued but im looking to pick up secondhand units , as the ASA1's are expensive . It sounds like It would be safer to run the two ASP's on six G3's on just the Channel 38's and get another two Chan 38 mics to make up the eight (funds permitting). The ASPs will still power the G3's via the separate 12v cables. I can then use the chan 70 stuff on another ASP2 I'm lucky enough to find a third PDU

 

Any suggestions on some good channel 38 Antennae to attach to the ASP's?

Slight problem with that, the G3s use a different power connector to the G2s so the ASP2 will not give reliable power to the G3s.

 

Another point that was raised recently on the BR, if you run the G3s from individual PSUs does that then send a current out of the antenna and cause damage the APS2?I don't think we got an answer to that apart from the ASP2s are not designed to work with G3.

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Thanks for the detailed replies , I will check out the Lintec gear. The ASPS are discontinued but im looking to pick up secondhand units , as the ASA1's are expensive . It sounds like It would be safer to run the two ASP's on six G3's on just the Channel 38's and get another two Chan 38 mics to make up the eight (funds permitting). The ASPs will still power the G3's via the separate 12v cables. I can then use the chan 70 stuff on another ASP2 I'm lucky enough to find a third PDU

 

Any suggestions on some good channel 38 Antennae to attach to the ASP's?

Slight problem with that, the G3s use a different power connector to the G2s so the ASP2 will not give reliable power to the G3s.

 

Another point that was raised recently on the BR, if you run the G3s from individual PSUs does that then send a current out of the antenna and cause damage the APS2?I don't think we got an answer to that apart from the ASP2s are not designed to work with G3.

Many thanks for this, that is exactly what I needed to know, Will go for the ASA1 for the G3's and a single ASP2 for the G2's on Chan 70 ,

 

 

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  • 1 month later...

I'm looking at buying some EW100G3 systems and I also have an ASP2 that I would like to use to save the expense of buying the ASA1 if it's not necessary.

 

I see comments along the lines of "It should work", "It might not work". Can someone who's actually tried it with actual kit comment please?

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