Allen Rowand Posted February 9, 2019 Report Share Posted February 9, 2019 I want an RX Emergency Two to use with my 302, but can't justify the $200 cost. I looked at the tech notes from Sound Devices about connecting to the mix in, but don't know how a variable resistor will interact with the resistor network they recommend. I decided to compromise and build inputs that would connect to the camera returns; this way my controls are "faders" and the trims on the 302 are "gains". Plus I can change the channel 4/5 signal routing in the 302 and not have to add external switches. The box is incredibly simple; Neutrik combo XLR/TRS input jacks, Bournes 10k log taper pots, and a 3.5mm output: Works great, and I think it cost $40 and 90 minutes of work! Quote Link to comment Share on other sites More sharing options...
Derek H Posted February 9, 2019 Report Share Posted February 9, 2019 Good for you man! Quote Link to comment Share on other sites More sharing options...
Philip Perkins Posted February 10, 2019 Report Share Posted February 10, 2019 Way cool. For many years I used a 302 as a 5 input mixer all the time with a similar gag. I made a box with captive cables with right angle XLR-F ends to use with two RX that fed the 302 "return" jack configured as two extra inputs (using the little side-mounted controls as rough trims), and with just simple audio taper pots for attentuation of the line level signals from the RX. In the same box I added my own camera return switcher, that looked at the camera output or at the headphone jack of the mixer, with settings L/R/stereo/off, thus my headphones plugged into this box for monitoring. All in a box less than 1x1x3". I was pretty darn proud of myself, and used that thing until I stopped hardwiring to cameras and retired the 302. Yours is more kosher than mine re: resistors, but for use with wireless RX outputs exclusively I never had an issue. This is a great illustration of how deep the venerable 302 is--amazingly powerful while being so small. Quote Link to comment Share on other sites More sharing options...
Allen Rowand Posted February 10, 2019 Author Report Share Posted February 10, 2019 1 hour ago, Derek H said: Good for you man! Thanks! I really enjoy building problem solvers. I just built an RF remote for my partner's video switcher so he can cut to cameras from anywhere in the room, based on an Arduino acting as a USB keyboard emulator. Quote Link to comment Share on other sites More sharing options...
Allen Rowand Posted February 10, 2019 Author Report Share Posted February 10, 2019 6 minutes ago, Philip Perkins said: Way cool. For many years I used a 302 as a 5 input mixer all the time with a similar gag. I made a box with captive cables with right angle XLR-F ends to use with two RX that fed the 302 "return" jack configured as two extra inputs (using the little side-mounted controls as rough trims), and with just simple audio taper pots for attentuation of the line level signals from the RX. In the same box I added my own camera return switcher, that looked at the camera output or at the headphone jack of the mixer, with settings L/R/stereo/off, thus my headphones plugged into this box for monitoring. All in a box less than 1x1x3". I was pretty darn proud of myself, and used that thing until I stopped hardwiring to cameras and retired the 302. Yours is more kosher than mine re: resistors, but for use with wireless RX outputs exclusively I never had an issue. This is a great illustration of how deep the venerable 302 is--amazingly powerful while being so small. Your rig sounds pretty sweet! I originally picked up the 302 for wireless booming, but I think it'll mostly be a submixer and (may I never have to use it this way) drop dead backup mixer. Great investment for $350! Guy I bought it from upgraded to a MixPre 6 from the 302 and a Zoom H4 and "didn't need it anymore." Quote Link to comment Share on other sites More sharing options...
Philip Perkins Posted February 10, 2019 Report Share Posted February 10, 2019 Back when it was my main axe, I was very happy that I could do so much in such a small lightweight package (with my add-on box), instead of using a much bigger and heavier 442. These days the 302 is a very handy thing to have in the shop, for testing etc, and is a great hail-Mary box to have on hand for music gigs or as the front end for a prosumer computer interface. Quote Link to comment Share on other sites More sharing options...
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