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David Waelder

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About David Waelder

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    Hero Member
  • Birthday January 1

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  • Location
    Los Angeles
  • About
    Production Mixer
  • Interested in Sound for Picture

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  1. That is a very sweet ride. I had a '73 B-GT for fourteen years. I bought it new in Boston (Waltham), drove it west in 1978 and finally replaced it in 1987. It was one of the last years with dual SU carburetors and I still have the Unisyn in my tool kit. David
  2. It is an affliction; I'd probably be a rich man if it weren't for the cars. But I'm happy in the grips of my disease and a member of the Southern California Alfa Romeo Club, often referred to as a drinking club with a car problem. I acquired Orsini, the 1991 Spider Veloce pictured here, in 2015. I am the third owner. Ron, from South Carolina, used it as his daily driver and put nearly 100,000 miles on it over ten years. Andy acquired it then, drove it up to Long Island, and used it for pleasure. He added just over 10,000 miles, rebuilt the transmission, replaced the top and rebuilt the suspension with performance springs and Bilstein shocks. I bought it online and had it shipped to California. It needed some work when it arrived. The interior was shabby, especially the seats; there were scratches all over; the tires looked good but were ten years old; the water pump was leaking; the wheels showed considerable road rash and the engine burned oil excessively. Andy Terani at Empower Auto attended to the water pump and introduced me to Tiguan at Burbank Auto Upholstery. Tiguan is an artist in leather and vinyl. He used the existing seat cushions as templates to make a pattern and he hand-cut material to match the Alfa design exactly, vinyl on the sides and leather on the seating surfaces. I had the finish completely wet sanded and polished out by a local body shop and Andre's Custom Wheel Refinishing restored the wheels. The lacquer paint is original. Vittorio and Onofrio DeLeonidas at Alfa Italia rebuilt the engine, performing a complete valve job. They also replaced the rings and polished the liners. The engine is now tight with minimal oil consumption. Vittorio also installed new door panels. When a set of Commemorative Edition wood trim became available, I ripped out the faux wood and had Vittorio install the genuine product. (I think it's genuine wood but I'm certain it's genuine Pininfarina and authentic Alfa Romeo.) Installing an Alpine radio to replace the Panasonic unit previously fitted is the most recent refinement. The Alpine is a good match to the original and is period correct. It's a much loved auto that draws admiring comment whenever it is taken out.
  3. It's not clear from your inquiry what the objective is. Obviously you wish to improve the quality of recorded sound, primarily voices I assume, but to what purpose exactly? Would this be to achieve a documentary record that would preserve the content of the speech? Or, perhaps, to preserve the content at quality levels that make it easy for the listener discern words without fatigue? Or, perhaps, to yield quality that might be suitable for incorporating the results into a promotional film? As the expectation rises toward mellifluous tone, greater and greater effort is necessary to accomplish the goal. Assuming you seek to have good tone from the researchers so the listener doesn't need to strain to hear, I would recommend that you choose a microphone from your list of candidates and mount it so that it is about one meter closer to the subject than your camera lens. A good audio shop should be able to help with brackets and short boom poles that could be attached to your camera or to the tripod to hold a microphone above your lens and projecting about a meter into the room. This makes it only a bit more clumsy to move into position and would cut the distance from microphone to speaker roughly in half. (You stated that the microphone was often about two meters away.) That should produce pretty good sound, maybe even better than good, under most circumstances and would increase your costs very modestly. Among your microphone candidates there are no bad choices. They are all very good. They do differ a bit and there may be reasons to prefer one over the other but any one should be able to accomplsh your goal. With the idea of mounting the microphone on a one meter pole, the Sennheiser 8050 might be a preferred choice just because it is so small and light. David
  4. In my experience, there is no such thing as a silent beach. (But I take your point.)
  5. “ It will also work in a kitchen, a living room, a hallway, a bathroom, outside, inside and in a car, even in the dark or sunlight.” I’m disappointed. I was expecting a nice Dr. Seuss rhyme. David
  6. That's been my approach too. I started with just Comteks and gradually added a few Lectro IFB units for the director and producer and a few others. It's a good workaround. The quality is pretty good, not a hard wire connection but good enough for all but the most critical listening. Most of video village doesn't need the best quality and aren't listening that closely anyway. A few units for key people works well and keeps the investment from going crazy. Start with just Comteks and only buy into the Lectros as jobs require and you can afford it. David
  7. That's good advice. Parenthetically, I have observed that all my car purchases were made when I was unemployed. It was only when I wasn't working that I could devote the necessary time. But Mike's advice is still good. David
  8. Are you sure you are remembering this accurately, Phillip? I recall buying a hard drive for my Mac Pro about that time, or maybe slightly later. I paid about $560 for 20 (just twenty) megabytes. David
  9. We sold the large cart, not pictured here, for about $12,000. The pictures I posted are from the Medium cart. He made that as a more economical choice for people working smaller features or TV shows or in circumstances where the equipment package was smaller. If you were working with a Cantar and the big Sonosax SX-ST, you would probably favor the Big Cart. With a Sound Devices recorder and a CL-9, or similar, the Medium Cart was a good choice. The price depended somewhat on features selected but would typically be about $6000. "Looks like rectangular or square bar in the t-slot for drawer glide." Sometimes. He was moving away from rectangular bars that he would have to craft himself and toward tubular fittings he could just buy and attach. If you look at the upper of the two pictures, you'll see a tubular fitting. It is sliding in a T-slot channel although the frame rail is largely obscured by the blue anodized fitting at the leading edge. "... how many could he make in a year? I don't exactly remember; it varied over the years. My best guess would be more than six and fewer than ten. The limit, by the way. was his output, not demand. I don't know how much you can take advantage of his thinking on these challenges. A good part of my reason for posting is that he was my good friend and I miss him. He was difficult to work with in recent years but he was my friend nonetheless. David
  10. "Disadvantage to this type of monitor mounting solution seems to me to be you can’t easily change the height location." True but the monitors are easily tilted to a comfortable viewing angle. "I don’t plan on getting my own CNC machine and besides, for cost and environmental reasons, I am trying to avoid turning 40-50% of the 6061 aluminum I just purchased for 5-10$ US per pound into shavings worth 10-30 cents per pound..." Remarkably, Chinhda never used a CNC machine. He didn't have one and didn't have the money to buy one. We discussed farming out some of the work to another, better equipped, shop but Chinhda kept innovating and modifying the designs so nothing was ever locked down long enough to go that route. Everything he made was crafted on a Bridgeport milling machine. The Bridgeport is really a large drill press; the only factor that separates it from that simpler tool is a base plate to hold the work that could be moved against the cutting tool with wheels similar to what one finds on a gear head. Everything, and I do mean everything, that Chinhda made was hand crafted. He would load five or six sheets of metal onto the base platen, clamp them together and move them against the cutting edge, judging each cut by eye. (With measured marks to assist, of course.) I'm going to share a couple of additional photos that show how Chinhda used ordinary aluminum tubes to slide in the grooves of the 80/20 extruded rails to make lightweight drawer glides. For the mixer drawers, he usually used regular, pre-made drawer glides but for shelves that would be opened infrequently, these simple sliding rails functioned well and kept weight down. (These images show recorder shelves but the stowable video monitor rack used the same mechanism to deploy.) David
  11. I'm not certain if this is really helpful but I'll share some photos showing how Chinhda met the challenge of fitting a double monitor panel into his carts. Regrettably, Chinhda is no longer able to make new monitor displays for clients but seeing how he made everything work together might be useful. It's also possible that some of the components may still be available in his shop but that would necessitate a search. David
  12. I've suggested this on the forum before but I'm not sure anyone has taken the idea and run with it. It is a bit expensive (the reason I never actively pursued it myself) but it seems promising. Auralex Acoustics make a sound absorbing cylinder called a LENRD. It's designed to be stand mounted and could readily be moved anywhere in a room where it might be effective. One could easily use a rolling stand to facilitate rapid deployment. However, each LENRD costs about $672 and I expect you'd need at least two, maybe three, to really make a difference. If you have the funds, I think it would be worth a try. Link to the Aurelex LENRD: https://auralex.com/stand-mounted-lenrds/ They also have other sound baffles that make a low wall or other acoustic "chicane." David
  13. Following up on the situation, I learned that the Local 695 website is being completely revised. Older issues of the journal will continue to be unavailable, pending the launch of the new website in a few months. The new website should correct the matter or, at least, time and energy will then be available to properly address the issue. David
  14. A good thought. If recessing the rails is difficult, one can get some protection by attaching handles that run vertically on the frame rails. Long drawer pulls are suitable for this. David
  15. Am I missing something here? The IDX 2-bay JL-2 charger for NP-1 batteries is itself a 12-volt power supply. It has a fused AC input and a 4-pin XLR DC output limited, I believe, to 13.2 volts. And, so far as I know, there is no reason it couldn't continue to charge batteries while functioning as your DC power supply. You may already have one in your kit. David
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