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Published on 01/27/07 at 09:23
Projectors Multipar broadcast by many brands.
I bought mine in 2 MH broadcast, JB Systems.
Projectors very effective because the system "Source Four" invented by ETC:
1. HPL575 patented lamp is designed to give, with suitable reflector, a max of light without dying prematurely.
2. The special reflector enveloping (like a corolla) returns a lot of light in the desired direction and much less off-beam.
The beam gross (without lens to enlarge) has a distribution "cosine", which allows easy connection of multiple beams to one side smooth.
4 interchangeable lenses give four different widths of beams, the beam spot to wide flood.
Comparison with the spotlight PAR64 1000W:
Brightness:
These projectors Multipar really give as much light than lamps with PAR64 1000W.
The comparison is very flattering because of the whiter light of multiparous appearing PAR64 the yellow side.
Two advantages:
1. The light contains more blue and you can either get more light with the blue gelatin, or put gelatins darker blue.
I use them primarily for this purpose.
2. Very interesting in places where it has a reduced electrical power.
Form beams
It is difficult to compare with those of the beams obtained PAR64:
1. The distribution of light in the beam is unlike.
2. The lenses offer different widths from that obtained with the lamp CP60, CP61, CP62 or CP65.
3. The projector is Multipar short, more light comes out as a beam PAR64 long and black.
But it leaves out a little less than a beam PAR64 long chrome, and much less than a PAR64 short.
ETC sells several accessories (shutters, additional grid or tube) effective in reducing faiscaux light outside, but it is very expensive.
Purchase Price
Multiparous seem more expensive to purchase than PAR64. Not true!
Provided with four lenses, one should compare the purchase price with that of a bowl PAR64 PAR64 1000W lamps + 4 (CP60 + CP61 + CP62 + CP65).
When you buy the cheaper Multipar finally.
Cost price
Cost of lamps:
HPL575 lamps have a lifespan shorter than that of several lamps PAR64 1000W. So slight advantage in the long run to PAR64.
Current cost:
The winner is widely Multipar.
The case of the lenses in the exchange
To change the width of the beam, just change the lens choosing from the four that came with the projector.
The projector is very hot and his body aluminum expands. The lens may even fall alone if the spring that holds it is a bit loose.
So I broke my first lens.
For my second lens, it was a blunder at the top of the scale, the projector remains on deck.
Therefore requires the removal of the projector.
Now I am very careful: exchange of lenses on a table and not on the bridge ...
I also bought 2 sets of spare lenses in advance.
Comparing Volume-Weight carried
Smaller volume for Multipar slightly larger but two times shorter.
Difference even more pronounced if one is to carry additional lenses of multiparous compared to the need to carry multiple lamps of different width by PAR64 projector.
Higher weight because the body cast aluminum is much thicker. It's tough!
Except in the case where one would have to carry multiple PAR64 lamps.
Conclusion:
Projector interesting in two cases:
-When there is little current industry
-When looking for your blue more sustained than what can be achieved with the PAR64.
I bought mine in 2 MH broadcast, JB Systems.
Projectors very effective because the system "Source Four" invented by ETC:
1. HPL575 patented lamp is designed to give, with suitable reflector, a max of light without dying prematurely.
2. The special reflector enveloping (like a corolla) returns a lot of light in the desired direction and much less off-beam.
The beam gross (without lens to enlarge) has a distribution "cosine", which allows easy connection of multiple beams to one side smooth.
4 interchangeable lenses give four different widths of beams, the beam spot to wide flood.
Comparison with the spotlight PAR64 1000W:
Brightness:
These projectors Multipar really give as much light than lamps with PAR64 1000W.
The comparison is very flattering because of the whiter light of multiparous appearing PAR64 the yellow side.
Two advantages:
1. The light contains more blue and you can either get more light with the blue gelatin, or put gelatins darker blue.
I use them primarily for this purpose.
2. Very interesting in places where it has a reduced electrical power.
Form beams
It is difficult to compare with those of the beams obtained PAR64:
1. The distribution of light in the beam is unlike.
2. The lenses offer different widths from that obtained with the lamp CP60, CP61, CP62 or CP65.
3. The projector is Multipar short, more light comes out as a beam PAR64 long and black.
But it leaves out a little less than a beam PAR64 long chrome, and much less than a PAR64 short.
ETC sells several accessories (shutters, additional grid or tube) effective in reducing faiscaux light outside, but it is very expensive.
Purchase Price
Multiparous seem more expensive to purchase than PAR64. Not true!
Provided with four lenses, one should compare the purchase price with that of a bowl PAR64 PAR64 1000W lamps + 4 (CP60 + CP61 + CP62 + CP65).
When you buy the cheaper Multipar finally.
Cost price
Cost of lamps:
HPL575 lamps have a lifespan shorter than that of several lamps PAR64 1000W. So slight advantage in the long run to PAR64.
Current cost:
The winner is widely Multipar.
The case of the lenses in the exchange
To change the width of the beam, just change the lens choosing from the four that came with the projector.
The projector is very hot and his body aluminum expands. The lens may even fall alone if the spring that holds it is a bit loose.
So I broke my first lens.
For my second lens, it was a blunder at the top of the scale, the projector remains on deck.
Therefore requires the removal of the projector.
Now I am very careful: exchange of lenses on a table and not on the bridge ...
I also bought 2 sets of spare lenses in advance.
Comparing Volume-Weight carried
Smaller volume for Multipar slightly larger but two times shorter.
Difference even more pronounced if one is to carry additional lenses of multiparous compared to the need to carry multiple lamps of different width by PAR64 projector.
Higher weight because the body cast aluminum is much thicker. It's tough!
Except in the case where one would have to carry multiple PAR64 lamps.
Conclusion:
Projector interesting in two cases:
-When there is little current industry
-When looking for your blue more sustained than what can be achieved with the PAR64.