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PostPosted: Tue Aug 10, 2010 11:04 pm 
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Dirk. What are you doing between now and next monday.????
Face to face??
Show me where I am going wrong. ( I seem to be relying on you and Rob, sorry ).
If not, no problem, sometime soon.
All the best.
Dave.


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PostPosted: Wed Aug 11, 2010 1:05 am 
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Robbie The Botkiller
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Dave, in some time I happen to be in your neighbourhood. A quick coffee and some techical experimenting, all in about one hour max. You'll be fine.

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PostPosted: Wed Aug 11, 2010 7:00 pm 
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I tried this out today.

Rode into ch.1 of Mackie.
Sm58 into ch. 2 of Mackie
Both XLR, phantom power ON.
Connected both to 16G.
I had to put the gain of the SM58 higher, but I seemed to have got a similar signal from the two.

My question is, can I harm anything by doing this ( using both together, phantom power on with the dynamic.?)
It seemed to work OK.
Dave.


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PostPosted: Wed Aug 11, 2010 7:15 pm 
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Robbie The Botkiller
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You probably are not going to destroy your microphone. A few posts back in this thread I explained how it works. Make sure the last thing you do preparing for a recording is turning on the phantom power and the first thing you do after that is turning it off. So, don't connect a microphone when the phantom power is already on, and don't disconnect it when it is still on. In other words, no plugging or unplugging with the phantom power on.

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PostPosted: Wed Aug 11, 2010 8:44 pm 
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HamelnStock Survivor and Midi Guru
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Ok Lets clear something up here. As Robbie says, the proof of the recording is in the cheese. Look at this :

Image

If you look closely you'll see my SM58 and my Gatt-Ld5 both plugged in to my mixer. On the mixer you can see a blue led which is the power indicator and a red one that indicates phantom power on. I heard a lot of talk about switching on and of an plugging or combining and with all due respect you don't have to worry so much. Music gear is made for musicians who in most cases or not techies.

In my opinion there is only one thing to look out for. If you plug in a Mic keep the slider down on the mixer or the G. Only two things can happen. If you plug in a Mic into any amplified thing it will POP if the channel is open (slider up, gain up volume up). If your monitors or amp is too loud it will PEEEEEEEEEEEEEEEEP until you turn it down. Both these sounds can blast your speakers and your ears so do mind the sliders. When plugging in slide down master volume. Other than that, no worries.

Phantom power does no kill microphones of any kind otherwise musicians would need microphone dispensors during setup. As Byron siad, the voltage is high but the power is extremely low. The maximum allowed amperage per microphone is 10 milliamps. That's hardly enough to keep a led burning. I know my SM58 is not all that tickle-isch. I think he even likes a little spark up his ... :lol:

Just go for it Dave. You have my blessing.

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PostPosted: Wed Aug 11, 2010 9:07 pm 
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Fantastic advice from all.
I thank you.

I'm taking from all this that I can use the two mics together with phantom power on.
Brilliant.

Thanks again, and I hope you don't mind if I come back with more daft questions.!!

Dave.


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PostPosted: Wed Aug 11, 2010 9:35 pm 
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HamelnStock Survivor and Midi Guru
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Hi Dave,

I have an opening Saturday afternoon.

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PostPosted: Wed Aug 11, 2010 10:05 pm 
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Dirk, I have to say sorry again.
Saturday is the opening day of the Scottish Football League.
I'll be all ears and all eyes open for my football team (Heart Of Midlothian) from Edinburgh.
Sad, I know, but that's me.
Come on The Hearts.

All the best.
Dave.


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PostPosted: Thu Aug 12, 2010 8:36 am 
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Mr. Electonica Dude
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Robbie wrote:
You probably are not going to destroy your microphone. A few posts back in this thread I explained how it works. Make sure the last thing you do preparing for a recording is turning on the phantom power and the first thing you do after that is turning it off. So, don't connect a microphone when the phantom power is already on, and don't disconnect it when it is still on. In other words, no plugging or unplugging with the phantom power on.


Be VERY cautious with phantom power and a dynamic ribbon mic . They can be instantly destroyed .

msg

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PostPosted: Fri Aug 13, 2010 7:31 pm 
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HamelnStock Survivor and Midi Guru
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Hi msg. Any idea what makes Ribbon mics so special and vulnerable ? Lukcily our condensors are not that sensitive ...

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PostPosted: Fri Aug 13, 2010 8:19 pm 
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MSG says don't do it, (or, be very cautious), they can be instantly destroyed.

Dirk shows me pictures of him doing it.

HELP.


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PostPosted: Fri Aug 13, 2010 8:30 pm 
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HamelnStock Survivor and Midi Guru
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We are not using Ribbon Microphones Dave. We are using a Condensor (like the Rode) and a Dynamic like the SM58.

Wikipedia Says :

As many mixers are equipped with phantom power in order to enable the use of condenser microphones, care should be taken when using condenser and ribbon microphones at the same time. If the ribbon microphone is improperly wired, which is not unheard of with older microphones, this capacity can damage some ribbon elements, but improvements in designs and materials have made those concerns largely a thing of the past.

So care is needed specifically for older Ribbon mic's. That goes for a lot of old stuff. The Rode NT1A and SM58 are new and tough.

P.S. Both my microphones are still connected and will stay there for some time...

As i said : No worries...

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PostPosted: Fri Aug 13, 2010 9:04 pm 
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Robbie The Botkiller
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The SM58 can be compared with a tank: not designed for it, but can handle it...

Image

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PostPosted: Fri Aug 13, 2010 9:30 pm 
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Thank You.


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PostPosted: Fri Aug 13, 2010 11:02 pm 
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HamelnStock Survivor and Midi Guru
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That's an interesting picture Rob. The Hercules was never designed with that sort of drops in mind either. As the center of gravity of the plain slides backwards because of the moving tank the pilot has to give a lot of 'down pitch' which normaly steers the plane in a dive. Not something you want to do when flying 6 feet above the ground in any plane. (he'll be doing about 200 kilometers an hour here). You can clearly see the Stabilizers giving a lot of down pitch which is rarely seen with any airplane except for stunt flyers. The moment the tank is free from the plane the plane starts diving towards the ground. The pilot needs to anticipate and pull up immediately. If he is but half a second late he will be six feet below ground level. If he pulls up too soon the tank will make a nose dive and turn into a scrap heap. I always found this an extremely daring thing to do. :shock:

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PostPosted: Sat Aug 14, 2010 12:02 am 
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Robbie The Botkiller
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fordirk wrote:
I always found this an extremely daring thing to do. :shock:

You did that??? :shock: :shock: :shock:


And I thought MicEater was crazy (600 ft bungee jump)

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PostPosted: Sat Aug 14, 2010 9:50 am 
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HamelnStock Survivor and Midi Guru
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:lol: No Robbie. They wouldn't let us. I jumped out of the hercules a higher altitudes although low enough to make the hairs on skydivers backs stand up. I think only the crew is crazy enough to be in the plane during a tank drop. They did drop us in between maneuvering tanks during a pitchblack night once but that was a pilots error. We had to run to avoid being ironed and we had no lights to warn the drivers. A time when you start hating those camouflage suits. How fast do you think a man can 'emergency-fold' a parachute ? :lol:

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PostPosted: Sat Aug 14, 2010 10:33 am 
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Robbie The Botkiller
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OK but still a :shock: :shock:

I bet you folded that parachute in seconds :lol:

The "scariest" thing they had us do was climb a 22 meter (70 ft) tower on the outside and rappel and/or zip wire down again. 70 ft is not that high, but it was an open tower (more like scaffolding) and it was quite intimidating. The instructor predicted that once we zip wired off, we would all voluntarily be in line for another go. And we all were. Strange thing is, I wasn't easily scared at that age (21 at the time). Nowadays, that is completely different.

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