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Post by jonas79 on Sept 8, 2017 17:51:09 GMT -5
All must seen that the 300 watts/modules in 7 channel mode gets down to 200 watt all channel driven.
And im asking if people would pay more for a upgraded Amp version with better power supply to use all avaible power from the modules ?
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Post by Gary Cook on Sept 8, 2017 18:26:54 GMT -5
No brainer, hell yes.
Cheers
Gary
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Post by mgbpuff on Sept 8, 2017 18:44:54 GMT -5
For movies there is no way all 7 channels will need full power continuously. If a channel or two need the oomph, it will be there.
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Post by geebo on Sept 8, 2017 19:02:23 GMT -5
It's already capable of 3kW if fed enough power. Your typical 120v 15a circuit can only output about 1800 watts. 7 * 300 would be 2100 watts and then you have to figure in the less than 100% efficiency of the power supply AND amplifier. Even a 20 amp circuit at 2400 watts couldn't supply enough power to put out 2100 watts even with an efficient amplifier like the Gen 3's.
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Post by simpleman68 on Sept 8, 2017 19:47:37 GMT -5
It's already capable of 3kW if fed enough power. Your typical 120v 15a circuit can only output about 1800 watts. 7 * 300 would be 2100 watts and then you have tou figure the less than 100% efficiency of the power supply AND amplifier. Even a 20 amp circuit at 2400 watts couldn't supply enough power to put out 2100 watts even with an efficient amplifier.  |
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Post by novisnick on Sept 8, 2017 20:17:35 GMT -5
It's already capable of 3kW if fed enough power. Your typical 120v 15a circuit can only output about 1800 watts. 7 * 300 would be 2100 watts and then you have tou figure the less than 100% efficiency of the power supply AND amplifier. Even a 20 amp circuit at 2400 watts couldn't supply enough power to put out 2100 watts even with an efficient amplifier.
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Post by AudioHTIT on Sept 8, 2017 23:36:17 GMT -5
It's already capable of 3kW if fed enough power. Your typical 120v 15a circuit can only output about 1800 watts. 7 * 300 would be 2100 watts and then you have tou figure the less than 100% efficiency of the power supply AND amplifier. Even a 20 amp circuit at 2400 watts couldn't supply enough power to put out 2100 watts even with an efficient amplifier. Right, maybe the question should be, would you pay more for a 20 Amp version? I think the biggest (most total watts) amp that's been made is the Sherborn 7-350, which was rated at 7x350 or 2450 total Watts, I haven't looked up whether it actually was speced or tested with all channels driven. The XPR-5 at 5x400 WPC was also a brute with 2000 total Watts. So it seems possible they could get close to 7x300 with a 20A circuit, but many people feel this limits the market. I'd probably buy it if the increase was reasonable, but I understand Emotiva's decision to stick to a 15A PS. |
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Post by leonski on Sept 8, 2017 23:51:12 GMT -5
Besides NEVER needing 300x7, you'd need a 20 amp service to make that happen. And you'd still come up short.
In my discussions with people about EMO amps which at that time recommended a 20 amp service, the answer was always that nobody cared.
The theoretical advantage of a single PS driving multiple channels is that the amp 'shares' power. If a channel needs more power up to the limit of the module, than it borrows the power. This is if other channels are drawing less than
maximum.
Also don't forget that the 1800 watts of a 15 amp circuit is Short Time Period with a 20% DERATE for longer time periods.
What is missing with the 'current' situiation besides some kind of bragging rights?
I can't remember the specifics but OUTLAW makes a Mondo 7channel amp which requires 2 15 amp service connections. NOT from the same circuit.
Max power required? 2 x 1440 watts. hmmmmm. And THAT's how you get 300x7
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Post by Gary Cook on Sept 9, 2017 1:17:01 GMT -5
In Oz we have 240 volts at 10 amps as the minimum household power point, so no problem here😎
Cheers
Gary
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Post by bolle on Sept 9, 2017 2:30:40 GMT -5
The 7-350 needed a 30 amps line for max power on all channels, that was even stated in the manual. It pulled close to 6000 watts then.
I don´t remember anyone ever benching that, because even the reviewers got fluctuating line issues.
I ran the 7-350 with a normal 16A/230VAC line.
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Post by geebo on Sept 9, 2017 8:41:14 GMT -5
Besides NEVER needing 300x7, you'd need a 20 amp service to make that happen. And you'd still come up short. In my discussions with people about EMO amps which at that time recommended a 20 amp service, the answer was always that nobody cared. The theoretical advantage of a single PS driving multiple channels is that the amp 'shares' power. If a channel needs more power up to the limit of the module, than it borrows the power. This is if other channels are drawing less than maximum. Also don't forget that the 1800 watts of a 15 amp circuit is Short Time Period with a 20% DERATE for longer time periods. What is missing with the 'current' situiation besides some kind of bragging rights? I can't remember the specifics but OUTLAW makes a Mondo 7channel amp which requires 2 15 amp service connections. NOT from the same circuit. Max power required? 2 x 1440 watts. hmmmmm. And THAT's how you get 300x7 It looks like the circuit breaker on the back of the Gen 3 amps is rated at 20 amps so I wonder if a 20 amp circuit would up those power specs since the power supply is capable of putting out 3kW. Or would the output be limited in some way. |
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Post by leonski on Sept 9, 2017 12:24:24 GMT -5
Don't forget that the output section is probably no more than maybe 60% or so efficient. The rest goes to heat. And of the power that makes it to the speakers, only about 1% is actually turned into sound.
The advantage of the EMO design over the OutLaw is the SMPS is probably more efficient. But may not have the dynamic power output of a good linear, while having good continuous output. Switchers are also lighter than lineear of roughly the same capacity. Less costly shipping and less damage potential is nothing to sneeze at.
Still and all, to get 300x7, the OutLaw folks went with a 2x @15 amp power supply. Given the 20% continuous duty 'derate' of our wall power, a 20amp circuit alone is not enough.
And finally, I doubt even the OutLaw could do 300x7 without some means of stabilizing the line voltage. Once you stress a power line with such a huge current draw, it's a race to the bottom. The way
people that test equipment use is putting a VARIAC on the gear and adjusting the output to a constant 120vac or whatever their standard is.
If it's not getting loud enough for you, find speakers you like as well as your current speakers, just make sure they are at least 3db more sensitive. That's like doubling your amps power, roughly.
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Post by jonas79 on Sept 10, 2017 9:07:42 GMT -5
The 7-350 needed a 30 amps line for max power on all channels, that was even stated in the manual. It pulled close to 6000 watts then. I don´t remember anyone ever benching that, because even the reviewers got fluctuating line issues. I ran the 7-350 with a normal 16A/230VAC line. In Sweden we also have 230 Volt. 20A breaker must be enough to get all Channels in 300 watts all power up. |
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