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302 and 442 with Line Inputs

The line-level inputs on the 302 and 442 are attenuated by 40 dB from mic-level and go through the mic transformer. We chose this topology to maintain transformer isolation of line inputs. For our portable field mixers we chose to keep their size small and not have transformers large enough to handle line inputs. The […]

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302 Noise on Power On

Q: I experience a loud output noise when the mixer is powered up. It blasts the camera audio levels to maximum. The sound is a low thump combined with a much higher “beep” sound. Why?

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302 Input Channel Peak Indicators

The input channel peak LEDs indicate both pre- and post- fade peak levels on the 302. In early production mixers (before 2005) there are two resistors which make channel 2 and channel 3 not indicate post-fade peak levels. This minor condition is fixed on later units. Note that if the channel fader is below unity […]

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722, 744T, and 788T Hard Disk Drive Noise

The hard drive on 7-series recorders generates nearly imperceptible noise levels, and it is the only device with any acoustical noise output on the recorders. Unless one presses his or her ear against the unit they will not be able to hear the drive during operation.

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442 Gain Settings with 418S Microphone

Q: I have a Sennheiser MKH418s stereo mic to complement my kit and upon plugging it up to my 442 I have found the level to be very low.

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702 or 722 Upgrade to Time Code

Question: Is there, or will there be a possibility to upgrade the 702 or 722 to time code in the future? Answer: It is not possible to upgrade the 702 or 722 to include time code. They have unique circuit boards. If time code is a required feature, consider the 702T, 744T, or the 788T, […]

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