C700 Users Guide
Page 1: ...C700 Users Guide ...
Page 2: ...fornia 1 831 420 0888 www josephson com 2014 Josephson Engineering This Guide was previously published as the Series Seven Users Guide but since there are now more microphones in the Series Seven besides the C700 we decided to revise the title to avoid confusion ...
Page 3: ...ood understanding of how the patterns are added together to form new patterns your own creativity and experience will take over in suggesting other mixtures of these channels that will produce other patterns The key concept to learn is that the microphone produces a separate output for each of its capsules The user mixes these outputs together to derive any desired directional pattern In the C700S...
Page 4: ...oduce an output that s out of phase with the output that would result if they arrived from the front If two equal but out of phase signals are mixed together the result is zero If one signal is a little bigger than the other the result of mixing is simply the difference between the two signals W signal plus X signal equals cardioid In the cardioid case for sound coming from the front the output fr...
Page 5: ...the minus X signal W signal minus X signal equals reversed cardioid Summary of Summing Control the pattern by selecting the ratio of W to X Steering C700S only The C700S includes another figure 8 capsule at 90 to the X capsule providing a signal from a side facing microphone capsule called Y to allow the X figure 8 signal to be steered in any direction If signals from two coincident orthogonal fig...
Page 6: ...60 degree circle according to the relative phase of the components MS equivalent If you are familiar with Mid Side or MS stereo you will recognize the Y channel as being the same as the S channel in MS Any MS technique can be realized with the C700S Use the W and X channels summed to produce the forward facing M signal of the desired pattern and the Y channel for the S XY equivalent The most basic...
Page 7: ...d angle choices can be made in mixdown and your options for pattern selection remain For vocals this can be particularly powerful After the session you may decide that using a more omnidirectional pattern with the singer up close to the microphone is preferable to working at a greater distance with a more directional pattern The ratio of direct to room or ambient reverberant sound can be controlle...
Page 8: ...e image left and right pan or balance and adjusting the ratio of the Y signals to the W X signals will adjust the width or focus Using a basic mixing console or digital audio workstation you can derive all of the channels needed for stereo center channel stereo 5 1 or 7 1 surround In practice the mixdown or balance engineer will want to adjust the ratios to produce a convincing sound image but the...
Page 9: ...oduction as users have opted to record the tracks independently and mix down using their normal processing tools The block diagram of the console is shown here for reference as it explains the process in analog terms Five outputs are provided each with independent pattern and rotation controls A sixth output for low frequency effects may be derived from the W channel through a low pass filter ...
Page 10: ... signals where w d 1 Some common ratios are Omni all W Subcardioid hypocardioid wide cardioid 0 66W 0 33D Cardioid 0 5W 0 5D Hypercardioid 0 33W 0 66D Supercardioid 0 25W 0 75D Figure 8 all D Steering or rotation of D is achieved by adding X and Y signals The main axis of the pattern is located at an angle φ relative to the front of the microphone φ changes linearly from 0 to 90 by varying the rat...
Page 11: ...ereo recording with an ordinary mixer without using the advanced capability of the C700S see Stereo on a Simple Mixer above The phase reversing wye cord that s needed for this is shown below Appendix C2 Output Adapter Cable for C700 furnished with microphone This is the standard output breakout cable furnished with the microphone ...
Page 12: ...o user serviceable parts inside Josephson Engineering microphones Disassembling a Josephson microphone will void its warranty For service information please contact Josephson at 831 420 0888 Repair shipments may be sent to Josephson Engineering Inc 329A Ingalls St Santa Cruz CA 95060 RoHS Certification Josephson Engineering Inc certifies that the C700A and C700S microphones bearing the CE mark con...
