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| REW Forum Rolls mp13+ecm8000 - not much signalDiscuss Rolls mp13+ecm8000 - not much signal in the Subwoofer Equalization | Calibration forum; Rolls mp13+ecm8000 - not much signal I can't seem to get enough signal from this combo. When I try the ecm8000 directly into my Mbox ...  |
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 12-26-07, 05:59 PM
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| Rolls mp13+ecm8000 - not much signal I can't seem to get enough signal from this combo. When I try the ecm8000 directly into my Mbox it's fine. If I use an SM57 mic via XLR or a logitech headset via 1/8" with the rolls pre, those are both fine. But together, even with the gain cranked and phantom power on, lots of noise and not enough signal. If I do "check levels" in REW, it complains the signal is too low. Any ideas? Edit- looking around the net I've found that the Rolls only puts out 12V on phantom. The ecm8000 needs 15V. My Mbox probably puts out more and that could be the problem. Not a very good mic pre if so. Last edited by Jman : 12-26-07 at 09:32 PM. | |||
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| 12-26-07, 11:05 PM
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| Re: Rolls mp13+ecm8000 - not much signal Yea, the ECM8000 isn't gonna work with only 12V. -Mike Bentz ~It's all about compromise~ "It's territorial with the soundboard. So you're mixing and some dude comes by spewing opinions and trying to turn knobs. It's akin to going up to an artist and painting over his unfinished masterpiece. You just want to shove your paint brush up his nose and throw the soundboard out the window!" | |||
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| 12-29-07, 06:11 PM
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| Re: Rolls mp13+ecm8000 - not much signal I mis-read the Rolls website, the schematic claims 21V phantom. I'll measure it at a friends place this week. If it is putting out 21V, then I have no idea why the Rolls doesn't work where my Mbox does. Jesse S. | |||
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| 01-02-08, 01:04 AM
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| Re: Rolls mp13+ecm8000 - not much signal 5.2V of phantom power. Nothing like paying $60 for a box with 2 functions and 1 of them doesn't work. I'm waiting for a reply from Rolls now. Jesse S. | |||
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