I thought I had an issue with the wireless mics.

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MIXMASTERMACHOM

DJ Extraordinaire
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Oct 16, 2011
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I bought the Shure BLX dual wireless H11 mics and I thought there was a problem with one of the transmitters. At one time both transmitters were working just fine and then only one would work. I would properly set both transmitters up the way they were supposed to be. So I bought another Transmitter thinking something was wrong with the order transmitter. I did a job on Thursday and I decided to setup all 3 transmitters to see if the one I thought was a problem and it worked just fine. I can't understand why the one transmitter stopped working and started to work again. Maybe someone here can explain what this is about.
 
There could be several issues why the units are not working. Read your manual , check out YouTube or maybe ask one of the many DJ''s you know for a little help. My suggestion would be just stick with the wired handheld. No bigger than the rooms you are playing you can just use a 30 foot mic cord.😁
 
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I bought the Shure BLX dual wireless H11 mics and I thought there was a problem with one of the transmitters. At one time both transmitters were working just fine and then only one would work. I would properly set both transmitters up the way they were supposed to be. So I bought another Transmitter thinking something was wrong with the order transmitter. I did a job on Thursday and I decided to setup all 3 transmitters to see if the one I thought was a problem and it worked just fine. I can't understand why the one transmitter stopped working and started to work again. Maybe someone here can explain what this is about.
Perhaps if you would actually listen to and accept the advice given to you on this forum people would be more willing to help
 
Are your mics on the same channel as the transmitter?
 
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I know I'm doing things right. You are to hit both scan buttons for both frequencies. On the receiver. Then unscrew the part where you put the batteries. Turn the transmitters on so you see both the letters and numbers on the transmitters. Look at one side on the receiver and set the transmitter on what it says on the receiver. Do the same thing for the other one and you should be done. Both transmitters should work just fine.

Each time you use the unit that's what you do because frequencies change.

Please Sonic stop assuming we only play in small rooms. Some are small and some are large. It depends on what venue the client chooses. As my partner said some will choose a small room possibly because it doesn't cost a lot to have their event there.

I don't know the size of the room we're doing the event in on April 15th because I've never been there. I was told that there should be 150-200 people attending the event. So that can't be a small room.
 
I scan every event even when the event is held the venue where I have entertained before. Some choose small rooms and cheap entertainment ? Everyone has their market and ability .Don't know the size of the room .?? How do you know what & how much equipment to take?? Are there any steps or stairs ? Do you need to run more than one zone? What are the acoustics like? Do you have enough & long enough cords Xlr & power? What a rookie.
 
I scan every event even when the event is held the venue where I have entertained before. Some choose small rooms and cheap entertainment ? Everyone has their market and ability .Don't know the size of the room .?? How do you know what & how much equipment to take?? Are there any steps or stairs ? Do you need to run more than one zone? What are the acoustics like? Do you have enough & long enough cords Xlr & power? What a rookie.
If I get a chance to check out a venue before an event I will do so to see what is needed to do the event. I just received a package of 4 50 feet XLR cords. Also I have the Alto Steath system.. Taso I was told to buy the H 11. That's what I could afford. That was within my budget.
 
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If I get a chance to check out a venue before an event I will do so to see what is needed to do the event. I just received a package of 4 50 feet XLR cords. Also I have the Alto Steath system.. Taso I was told to buy the H 11. That's what I could afford. That was within my budget.
Yes mix and that frequency (h11) was the appropriate one for that location. However this is New Jersey and there are LOTS of interferences and it’s well known that regardless of what frequency range you buy, the blx is not a capable system in north Jersey. You’ll either be buying multiple frequency systems and bringing them all with you and doing trial and error at each event… or you bring a wired mic with lots of xlr cable… or you invest in an slx or qlx mic system.
 
Yes mix and that frequency (h11) was the appropriate one for that location. However this is New Jersey and there are LOTS of interferences and it’s well known that regardless of what frequency range you buy, the blx is not a capable system in north Jersey. You’ll either be buying multiple frequency systems and bringing them all with you and doing trial and error at each event… or you bring a wired mic with lots of xlr cable… or you invest in an slx or qlx mic system.
Thanks sir. I would love the 2 system that you mentioned. I just don't have the money to spend. I have bills to pay and when I finish paying the bills there's not much left that says I can buy either one of those. Also we're not getting paid 5k like you do. If I made your kind of money it would be a breeze to buy either one.

When I get famous like you I'm going to retire. That's what I tell my DJ friends I know that are really great.
 
Thanks sir. I would love the 2 system that you mentioned. I just don't have the money to spend. I have bills to pay and when I finish paying the bills there's not much left that says I can buy either one of those. Also we're not getting paid 5k like you do. If I made your kind of money it would be a breeze to buy either one.

When I get famous like you I'm going to retire. That's what I tell my DJ friends I know that are really great.
In the meantime you’ll have to prepare for the inconsistency in performance and bring all the mics you have available to you to each event.

Ps I am not famous
 
..this is New Jersey and there are LOTS of interferences and it’s well known that regardless of what frequency range you buy, the blx is not a capable system in north Jersey.
That's simply untrue, The product itself is solid. I've deployed them for people in complex settings and they work without issue. There's nothing unusual about northern New Jersey, but shallow user knowledge in an ever increasingly crowded RF space presents a number of challenges for people working at the DJ and casual music level.

Mix:
The reason your mic didn't work in one instance and then worked fine in another likely owes to simple human error. Simple mistakes we can make when we're in a rush, or miss a detail in the manual. The two most common are:
  • turning off the first transmitter before completing a scan for the second mic.
  • having live transmitters in close proximity to each other while running a scan (this includes ANY transmitter, not just the BLX mics.)
The first mistake is easy to make (even repeatedly) in the haste of getting ready for a gig, Despite the display showing two discreet frequencies for each mic the second result may overlap a harmonic of the first - cancelling out just one mic.

Everything can look correct on the displays (2 discreet assignments) but the scan feature must resolve for BOTH an available chanel AND compatibility of the associated harmonics. That doesn't properly occur if we inadvertantly make a mistake as listed above.
 
That's simply untrue, The product itself is solid. I've deployed them for people in complex settings and they work without issue. There's nothing unusual about northern New Jersey, but shallow user knowledge in an ever increasingly crowded RF space presents a number of challenges for people working at the DJ and casual music level.

Mix:
The reason your mic didn't work in one instance and then worked fine in another likely owes to simple human error. Simple mistakes we can make when we're in a rush, or miss a detail in the manual. The two most common are:
  • turning off the first transmitter before completing a scan for the second mic.
  • having live transmitters in close proximity to each other while running a scan (this includes ANY transmitter, not just the BLX mics.)
The first mistake is easy to make (even repeatedly) in the haste of getting ready for a gig, Despite the display showing two discreet frequencies for each mic the second result may overlap a harmonic of the first - cancelling out just one mic.

Everything can look correct on the displays (2 discreet assignments) but the scan feature must resolve for BOTH an available chanel AND compatibility of the associated harmonics. That doesn't properly occur if we inadvertantly make a mistake as listed above.
Having had the unit and finding significant inconstancies in performance I can personally say that it is not a reliable unit. I did an event in south Jersey by the delaware river where across the river navy ships were stationed. Unless the mic was a foot from the receiver it was either straight up not working or cutting out excessively. I then tried a different wireless receiver (an audio technica) and same exact thing. That was the first and only event that I needed a wired mic. It was also the event that made me buy the Shure qlxd mic. I’ve been there 3x since and have had no issues with the qlxd systems. In addition, I did an event in Philly where it would work fine with exceptions of the toasts on the opposite side of the dance floor about 30ft away… it would cut out randomly. Thankfully I caught that before the event started and asked the photographers to do toasts from the middle of the dance floor and it worked out. Mix does a lot of events in Newark and the surrounding areas where he’s surrounded by interferences and that mic is the type where the h11 works in one spot and then 1 mile down a different frequency range system is needed. You can get as technical as you want, but these are real world experiences that im sharing. And yes I know how to pair and scan and sync for channels.
 
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The BLX is not a bad unit. It is not a premium unit either. Mics at this price point just lack the advanced filtering needed to reject out-of-band signals. In other words, there may be some situations where they won't work where more expensive ones will.

That said, common issues include not having your two systems in the same channel group. Channel groups are designed to minimize intermodulation interference between units. If system one is on group A, system two needs to be on group A. And, as Proformance already said, make sure you keep transmitter one on while you scan for system two.

One of the other mysteries of wireless is that you never know who else is on the air nearby unless you have a scanner (aka spectrum analyzer) and know how to use it. Mix, I wouldn't recommend you get one. They are not meant for the average musician/DJ.
 
Taso I understand and get what you're saying. Many years ago we made a mistake and left a Shure wireless mic outside on the ground where my partner lived. We had a job to do and didn't load it in the van I had at the time.

I understand that dual wireless mics by Shure costing more will have more frequencies than the one we have now. I get that. Also I understand the 2 you mentioned are much more expensive than what we have right now. My guess is both cost over 1k. We don't have that kind of money to spend. If we did we wouldn't hesitate to buy either one of those. You had the money to buy either one of those.

There are things I still want for the business. I must be practical because bills need to be paid. Such as rent, van note and insurance on the van. Not to mention other things. If I buy one of the 2 mics you mentioned when I become homeless can I come and live with you and your family? LOL sir. Just acting silly.
 
The BLX is not a bad unit. It is not a premium unit either. Mics at this price point just lack the advanced filtering needed to reject out-of-band signals. In other words, there may be some situations where they won't work where more expensive ones will.

That said, common issues include not having your two systems in the same channel group. Channel groups are designed to minimize intermodulation interference between units. If system one is on group A, system two needs to be on group A. And, as Proformance already said, make sure you keep transmitter one on while you scan for system two.

One of the other mysteries of wireless is that you never know who else is on the air nearby unless you have a scanner (aka spectrum analyzer) and know how to use it. Mix, I wouldn't recommend you get one. They are not meant for the average musician/DJ.
In my case, being that this was my earlier days of djing, it was only one mic (I didn’t have the dual unit). The second mic was a wired backup mic (which saved me at the one event).
 
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I hit the scan buttons on both channels and set each mic to what each side says. If it say H8 I set one transmitter to that setting and what the other side says I set the other transmitter to that reading on the receiver.
 
Set one Mic at a time than set the other Mic Mixxy. I'm sometimes using four or more mics & set up one Mic at a time.
 
I hit the scan buttons on both channels and set each mic to what each side says. If it say H8 I set one transmitter to that setting and what the other side says I set the other transmitter to that reading on the receiver.
Mix it seems most of your problems result from only listening to part of the information you are given, whether that’s on this forum or in the very well written instructions that came with your microphone