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Will, I built an 18.5" cube using double-wall construction (15.5" internally) and after subtracting the volume of the internal bracing and the Shiva driver I ended up with about 2ft^3. The SAF is high because it is a reasonable size and it performs very well for all types of media. I am...

I use the router to make the recess for the driver flange and then complete the hole with a jig saw. Use a nail, string and pencil to draw a circle marking the cutout after routing the recess. No one will ever see the edge of the hole and it saves a lot of work not having to make router passes...

Don't kill yourself or your tools using a router to cut the actual holes for the drivers. Use the router and a circle jig to make the recesses for the drivers' flanges and then finish the hole with a jigsaw. It's a lot faster and easier. Dennis

Check out Jon Risch's web site, too. He has had good results (validated by others at Audio Asylum, where he generally keeps an ear to the ground) with Belden 89259 cable. His interconnect and speaker wire designs compete well with cables costing AT LEAST hundreds of dollars more. When I get...

Markertek sells the brushed anodized Middle Atlantic faceplates and shelves for $88.00 Dennis

I am repairing a Def Tech sub amp right now with a fried resistor on the board. I believe that this is a 2000TL as well. I was researching the amplifier unit and found that it is a Sanyo inline package that produces 200W. I would say that it depends on the quality of the woofer itself as to...

You can buy it here: Markertek The manufacturer's site: Middle Atlantic If Markertek's online catalog doesn't show it, they can get it, and generally for a good deal less that Middle Atlantic's list price. The custom shelves for my preamp, VCR and DVD were $88.00 each in the brushed...

Why don't you just buy a commercial 19" rack from Markertek or some other supplier? I ordered a 44-space rack with casters, rear door, 25" deep, drawers, custom faceplates, and universal shelves. I needed the space because I have six monoblocks going in under the drawer unit. I just ran into...

You could get lost with all the options you have for getting a room acoustically neutral . In the most basic terms, you might try for a "live end/dead end" setup, with the wall that your speakers are on set up with more absorptive materials, a balance of absorptive and reflective materials...

Cost is still $895. I think it's time for me to get off my butt and build my own comparator. This device should cost $200-$300 max including calibration. If the correct color temperature can be consistently presented by the light source, then a good photographer's light meter could be used to...

Ron, One more thing: I have seen a lot of feedback on remotecentral about ProntoEdit 2 being a little flaky, along with recommendations to stick with the 1.5 version. You may want to follow up on those threads to see what's going on. Dennis

Ron, The IR learning port on the Pronto is a small round opening on the BOTTOM end of the remote! Also, a method that finally made the programming click for me: Create a panel that consists of nothing but buttons, mine is 4 columns by 11 rows. Name this one "blank" or "template" and store it...

I purchased my Sony TA-E9000ES preamp from Oade Bros. and was very happy withe their pricing and service. The flash upgrade for this unit was back-ordered but they took care of it without me having to chase everything down. If I need anything that they stock I will buy from them first (even...

'Das Boot' is another film that suffers horribly from poor dubbing. Most of the dubbing in this film was arranged so that the english words matched the actors' lip movements, and resulted in some of the dialogue being completely different from the original screenplay. I do have to agree that...

Hank, I am building six Leach SuperAmps. I was able to get PC boards from a gentleman in Canada that had commissioned someone to make a large batch, but I think he is out by now. The rest of the project is strictly piecemeal. There are no kits out there that I know of. My audio projects...

Loganville?!?!?! Where's Loganville?

Art, Go to my website and follow the link to my home theater page. You will see the Audax HT system that I built. My wife thought they looked so good that she didn't want me to put grilles on them. On my site you will find links to some closeup photos of the speakers, the plans on Audax's...

If you buy the Aura Interactor Vests and strip out the transducers, they come with their own amplifier, complete with level and rolloff adjustments. The last batch I bought were $5.50 each. Dennis

Good grief, guys! You must have nothing better to do! I purchased Aura Interactor vests on eBay for $5.50 each, stripped the transducers out of them, hooked the included amplifiers (with level and rolloff controls) to my subwoofer out, screwed the transducers to the couch and was done. Total...

Patrick, I received my electronics training in the Navy, and worked in just about every possible function there is other than engineering (though I did do a lot of prototyping and worked in a design role for that). Chassis buildup, harness building, board stuffing, wave-soldering, ATE...

I just bought my RP91 from ecost for $481 shipped. Dennis ------------------

Ryan, The PCB layout, construction details, and parts lists are courtesy of William Marshall Leach, a professor at Georgia Tech. Leach Low TIM Amplifier Leach SuperAmp His design has been compared favorably to an equivalent Krell monoblock in terms of its sound. The Low TIM Amplifier...

Martice hit the nail on the head. (Warning: slightly educated opinion follows...) I think good music reproduction is much more than absolute power output. It is all about dynamic range and amplifier speed. A good amplifier will be able to cover a large dynamic range, from the softest whisper...

Joe Wong, I am going to borrow a solution from someone else here at HTF and use a wall-mount television platform located just above the top surface of my RPTV. These will also tilt so the speaker can be angled down without fear of it sliding off, and can be swung out of the way when fiddling...

I have included a link to Eric Wallin's Audio DIY page. Eric was the original designer of the preamp and also found the microphone capsule for this design. Jason Neal was offering the kit for a while but seems to be unavailable for the moment. If you go to the "Preamp2" section of his audio...

Check out Phil Abbate's site on speaker-building. His research indicated that the lowest panel resonance he experienced was with two layers of MDF glued directly together, as opposed to layers of MDF separated by homosote or separated by linoleum. His test methods and results are outlined...

The new Toshiba's now have what they call "Orbital Motion". This moves the screen image in very slight increments so that it doesn't sit in one location for an extended lenght of time. Dennis ------------------

Check out DIY Cables . They sell kits based on Jon Risch's interconnect and speaker cable research. There is a link to Jon Risch's site on their site. Jon Risch's designs are supposed to equal or beat cables/interconnects costing MUCH more. If you have questions he can be found on Audio...

Shade, You can find info at the following sites: Leach Low TIM Amplifier Leach SuperAmp The Low TIM amplifier is rated at 150W into 8 ohms and the SuperAmp is rated at 250-300W into 8 ohms depending on the supply voltage. There are a lot of favorable reports on this amplifier over at...

Mark, I have purchased 230v/25a solid-state relays via ebay for very good prices. I am planning on building a power sequencer and toying with 12v triggers as well. Sorry I don't have more info for you... Dennis ------------------