Tag Archives: lectrosonics SRb

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Mailbag- Lectrosonics SRb versus SRa+ Huh?

From the mailbag!  Keep those cards and letters coming!Dave, from Sydney Austrailia, writes:

Hi.
 I’m considering buying an upgrade SRa (serial # is above 105…)
Are yours upgraded? How have they performed? Do you know if they have the 6 layer board?
“The 80% improvement RF board is 17378-K. The full SRb board is 17378-L”
Thanks
Dave
 
 
Hi Dave!
I never owned 1st generation SRa’s so I don’t have anything to compare, but I’ve heard that range on those early SRa’s was pretty bad. That’s why everybody started buying RF amplifiers and sharkfin antennas to hang off their bags.
Now that the SRb’s are available, those RF amps and Sharkfins will probably overload the front-ends of the SRb’s. Ha ha.
Update: I just took delivery on a used SRa- that is pre serial# 105…  Before I get it upgraded, I want to do some comparisons between it and my post-105 SRa’s,.. Range tests are pretty simple, but selectivity comparisons are difficult to simulate and measure. I’ll probably just take their word on it, and continue to do good freq. coordination.
All the best!
Pete Verrando
Dallas TX
 
Hi Pete
Good to hear about your experience. I’ll test a ‘post-105′ or ‘SRa+’ (as Larry F named it) around town if the dealer will let it out for a day or two. Keen to hear how your comparisons go as well pre and post upgrade.
 
Cheers 
Dave 
Hi Dave!
Today I did a walk test comparison of my  SRa to an “SRa+”. (same block) I used one SMV transmitter and tuned channel 1 on both receivers to the transmit frequency. I first noticed the open SRa 2nd channel (coordinated) was much more susceptible to swamping when the  transmitter for channel 1 comes too close. The SRa+ showed no evidence of swamping on the 2nd, open channel.  
In a walk test, the two receivers were pretty close in range in open air, but when I placed the transmitter inside a vehicle, the SRa lost it entirely, while the SRa+ was showing about 50% signal level. 
 
Cheers! (Except I have a vodka martini in my hand)
Pete

 

The saga continues….

-by Pete Verrando