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  1. MarkRoberts

    HDMI 1.3 not firmware upgradeable!

    I came across this article which pertains to both HD-DVD and Blu-ray. Here is the link http://www.dvdfile.com/index.php?opt...=5494&Itemid=5
  2. MarkRoberts

    Any HiFonics amp owners here?

    I was wondering if anyone here has or is using the Hifonics Brutus series amplifiers? I am looking for a reasonably priced 1 ohm stable amp for powering subs. The brutus series look nice for around 280.00-380.00 depending on model. They range from 500x1 @1 ohm to 1500x1 @ 1 ohm.Probably only...
  3. MarkRoberts

    Anyone have experience w/ LT circuits?

    I have a couple of Atlas 15" subs I would like to try one out sealed but the recommended cabinets are quite big like 6 cu.ft. I was wondering if I could get one of these bad boys in a 3cu.ft. cabinet with a LT circuit. I was looking at the Rythmik Audio site and one of the amps the 350 is...
  4. MarkRoberts

    Dayton DVC 12" Help

    I have a Dayton DVC 12" sub in a 85L enclosure and I am not satisfied with it. It seems to struggle with the sub 25hz stuff,it also bottoms out.The amp is a Rythmik A250 basic. I have thought of doing several different things. I thought about a PR design but I don't think this will do it plus...
  5. MarkRoberts

    FYI: TB 6.5 sub on sale!!

    Was just poking around the PE site and noticed the weekend deal is on those 6.5" sub. Quite a few people were interested awhile ago.
  6. MarkRoberts

    Modeling software for diy, opinions wanted

    I know this is the Diy forum but I figured these are the opinions I am after. I am looking to purchase some speaker modeling software.The two options that stand out to me at this point are: 1. Bass box 6 pro/ x-over 3 pro package deal at PE. 2. WinSpeakerz from www.trueaudio.com I am...
  7. MarkRoberts

    Where else can you get Tang Band drivers?

    I am looking to get some of there 8" subs but I want the 8ohm ones. Parts express only has the 6.5" one and CSS only has the 4ohm 8". Is there any other vendors or can you order straight from them? I did a search on google and only came up with PE and the rest were projects mostly using the 3"...
  8. MarkRoberts

    Rythmik's DirectServo

    Any one here used heard or built one? Looking for opinions and user reviews. Either version.
  9. MarkRoberts

    Calculating speaker sensitivity?

    Is there a way of determining the sensitivity without taking 1w/1 meter readings? I notice that manufacturers seem to achieve quite high results but similar diy projects produce lower results, why? Most manufacturers end up with 90db+ and they are 8 ohm nominal. The only (that I have seen) high...
  10. MarkRoberts

    Crossover ?

    Anyone know what the resistor in this first order crossover is for? I was under the impression that first order network only had 2 components a capacitor and a inductor. Is this to maintain resistance for the speaker as a whole? The speaker is a meadowlark swift both drivers are wired in...
  11. MarkRoberts

    Placing a vertical MTM horizontal?

    I have built a set of Dayton 8's from speakerbuilder.net I would like to build a matching center channel when I go front projection and was wondering if there are changes required to the crossover to place it horizontally? I have emailed Wayne J. at speakerbuilder.net and haven't heard...
  12. MarkRoberts

    diy dust collection?

    Hey out there, Anybody build a dust collector? For when you are building/finishing your diy projects? MDF dust is major nasty stuff. and sometimes I am forced to work with it inside my basement.
  13. MarkRoberts

    cloning meadowlark Kestrel2's ?

    Anyone out there clone these? I know they have a vifa tweeter and a peerless woofer. Judging by the dimensions it is a 6 1/2" woofer and the tweeter looks like one of the dual concentric tweeters. I looked at klone audio and didn't come across anything, I might have missed it though.
  14. MarkRoberts

    AMC or AUDIOSOURCE Amp?

    Looking for opinions from people who have used one or the other or both. The audiosource ones are a little cheaper but I have found a 5 CH. AMC under 600.00. I am building a set of diy towers and not sure if my old denon AVR-3300 will be able to handle the load. So it seems like a good excuse to...
  15. MarkRoberts

    Did a sub now.... D8's?

    I was looking for my next diy project. I really need some towers for my fronts and I came across speakerbuilder.net and the D8 project. Anyone out here build em'? I have a few questions. 1. What kind of power handling/ sensitivity do they have? 2. I don't have seperates yet don't want fry my...
  16. MarkRoberts

    16:9 and 4:3 screen ?

    I am looking at getting mt first front projector. The main use will be for dvd. However I would want to use it for 4:3 material too. Instead of buying a motorized screen. Could two manual screens be placed in front of each other? That way I could just use the appropriate screen for what I am...
  17. MarkRoberts

    My name is Mark and I'm an Addict...

    I just finished my first DIY project, well almost. It needs one more coat of paint. I'll do that when I'm done playing :) I used the 85l adire alignment with a dayton 12" DVC. I was suprised at the performance. I even screwed up a couple things when hurrying to glue it together. Anyway now that...
  18. MarkRoberts

    Dayton 12" DVC vs. 12" Titanic org.

    I was looking at ordering the 12" DVC and a 250w plate amp and I noticed the original Titanic 1200 12" for basically the same price. Anyone out there ever hear the original Titanic? Would it be better than the 12" DVC? I was looking at a 85L enclosure with a 4" port. Basically the same as the...
  19. MarkRoberts

    Newbie DIY PR sub help,lots of help

    I am looking into building my first sub. I have allot of ?'s. First off this will go in my suv for now.Hope that doesn't offend anyone, doing it for fun and experience. I want to make a PR enclosure. Would like to keep the box dimensions down around 18"x18"x18" or smaller if possible. I don't...
  20. MarkRoberts

    Need some advice

    Anyone out there use audiogon.com? I have a couple of pieces of equipment I am looking to sell and was looking to see what they were going for these days. Wondering if subscribing to that site is worth it or not. I know I can post things for sale here in the marketplace section.Need to post...
  21. MarkRoberts

    Dish Network PVR-721 anyone got one yet?

    I have been researching the pvr's from dish for awhile heard the 501's had some trouble. Was looking at the 721 has killer features like recording 2 channels at the same time.Anyway looking for some user feedback.
  22. MarkRoberts

    WANTED: Titanic/DTS LD ARMAGEDDON/DTS LD

    Looking for a mint near mint copy of Titanic and ARMAGEDDON LD in DTS only please.
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