This review page is supported in part by the sponsors whose ad banners are displayed below That was it. I was hooked. If I could literally stumble onto something this incredible, imagine what I could achieve if I really focused on building a world-class OB speaker system. Now that I reflect back, it sounds kinda stupid. I was going to focus on building a better flat board. The evaluation system for this lengthy process was: • Yamamoto A08-S: This is a 45-based 2wpc SET which I used for driving all widebanders (and tweeters when incorporated). Best sound ever but only 2 watts. One must choose one’s speakers wisely. • Fisher SA-16, 14wpc p/p EL84 stereo amplifier for driving all on-baffle woofers. This is a mint little amplifier with quite a stellar sonic reputation in its own right and more than a match for any baffle-fitted woofer used. • Bent Audio transformer-based passive preamp with optional wireless volume remote: Ultimately transparent. If the source component has the voltage to accommodate it and the A08-S, there is nothing better in my opinion. DIY Audio Full-Range High Efficiency DIY Speakers and. We sell the highest quality full-range, single driver. Bass horn, open baffle, and transmission line. Feb 5, 2014 - I'd like to build an open baffle system and have done some research but I wanted to ask the opinion of some of you gurus on driver/design. ![]() • MHDT Havana DAC: So good that Redbook CD outperforms SACDs on my Sony XA777ES. • Sony XA777ES CD/SACD: For SACD only. • Locus Nucleus USB Cable: Stunning sonics. At $1,159 it better be great and it is. • PS Audio PowerPlant 300 with all the updates: For the A08-S and Havana only. • Fine silver DIY interconnects throughout: I own many expensive commercial interconnects. None compare in my system. • Audience AU24 speaker cables throughout: I would have preferred to go DIY as well but the AU24 is simply stunning and somewhat reasonably priced. • Four-tier Mana amp stand: A great tunable rack whose company is out of business. • PC, purpose built and dead silent: Too many details to get into here. • XXHighend: There are many versions. I purchased and loaded the latest which is the best sounding for my system. • Wireless remote, wireless roller ball mouse (I use this mostly) and wireless keyboard (absolutely essential). • Monitor hard-wired (on table next to listening chair). • Professional room tuning throughout. Open Baffle Subwoofer• 2 x 10-inch horn-loaded subwoofers driven from plate amps: One per corner six feet behind each main speaker. • Separate 20-amp breaker system for the audio room. • 5 x 8-foot star-configured copper rods added to code-mandated wiring: Just outside the dedicated listening room and likely a waste of good time and copper. Lowther DX-4 and PM2MkII On to the meat and potatoes. Full Range SpeakersI started out convinced that If I was going to do this open baffle thing, I had to become a purist of sorts - one baffle with one widebander per side augmented by my trusty subwoofers below 100Hz. After all the JE Labs baffles made the Lowther PM2MKII, Audio Nirvanas or Stepen’s Trusonics etc. Fostex SpeakersAll sound better than ever before. Three issues I just could not live with long term were – 1/ the drivers being situated so low to the floor definitely reduced image height to noticeably unnatural levels at times; 2/ if you have a narrower listening room (mine is 13 feet wide) these baffles begin to become visually imposing and distracting; 3/ there just weren’t enough midbass dynamics and snap from a single eight-inch driver in this configuration. So I built several much taller yet equally wide baffles to mount the widebanders closer at ear level. These baffles were roughly 36 x 60 inches. While the image height was somewhat corrected, the almost palpable airy openness that had so impressed me to begin with was all but gone. At this point I realized that to have my cake and eat it too I would need to increase baffle height and—heaven forbid—add a woofer. Lowther America’s Jon VerHalen was having good luck with a Tone Tubby Alnico hemp-cone 12' guitar driver on his Lowther PM6a OB. Get this totally free software program for tuning the car. In fact Tuning ECU Soft is what. On this page you can download free Chip Tuning Soft for your. Car chip tuning software download. Full Range Driver Open BaffleHe also suggested several potential crossover points for limiting the upper reaches of the Tone Tubby. That's a full-range driver in its own right after all. I decided that I wanted the PM2MkII and TT to gently meet somewhere in the 200-220Hz range. I had the local lumberyard cut ¾' Baltic Birch sheets to spec and then I meticulously constructed the tilt-back legs and cut out the driver holes. After several variations on baffle size, I ended up with roughly the same dimensions Lowther America would soon display with great success at an audio show. These baffles were and still are 24 x 41 inches with braces slightly tilting them back. I actually incorporated JE Labs’ legs on all my OBs except done up in Baltic Birch.
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