MattyW Posted October 18, 2019 Share Posted October 18, 2019 Awesome result. Congratulations on the upgrade Link to comment Share on other sites More sharing options...
RankStranger Posted October 18, 2019 Share Posted October 18, 2019 23 hours ago, mwhouston said: Different amp etc. Yep. Different amp fixed it (or cable, or connector, or something else in the main rig) I’ve still got so much to learn ¯\_(ツ)_/¯ Link to comment Share on other sites More sharing options...
Guest Muon N' Posted October 18, 2019 Share Posted October 18, 2019 46 minutes ago, MattyW said: Awesome result. Congratulations on the upgrade For me, yes, but then, Matt.......... you know what I am like soldering and have seen me solder my hand quite well at one time Link to comment Share on other sites More sharing options...
MattyW Posted October 18, 2019 Share Posted October 18, 2019 Just now, Muon N' said: For me, yes, but then, Matt.......... you know what I am like soldering and have seen me solder my hand quite well at one time Quite painful.... I've not grabbed the wrong end just yet though have burned myself a few times. Your soldering still beats mine. Link to comment Share on other sites More sharing options...
Guest Muon N' Posted October 18, 2019 Share Posted October 18, 2019 1 minute ago, MattyW said: Quite painful.... I've not grabbed the wrong end just yet though have burned myself a few times. Your soldering still beats mine. Bit more practice an you will be way ahead of me, I can only get worse from now Link to comment Share on other sites More sharing options...
mwhouston Posted October 18, 2019 Share Posted October 18, 2019 6 hours ago, Ozcall said: Been busy tidying up wiring runs and layout in my DSC1 dac. Waiting for an HDMI-12S receiver board to alow direct connection of my new Raspberry PI4 music player. Dac doesn't look quite as untidy in real life. Have to order some new non solid core screened cable for the output connections as the solid core I am using in some places in the dac is just too brittle. Will take some pics of the Pi player when I move it to it's new case. It is made up of : Pi4 2gb Active cooling and heat sink Ian Canada Fifopi reclocker and isolator Ian Canada HDMI-I2S transmitter Allo Shanti power supply Volumio OS The long green brd. with the trannies. What is it. I’ve seen them For sale. Link to comment Share on other sites More sharing options...
Gordon Macfarlane Posted October 19, 2019 Share Posted October 19, 2019 14 hours ago, mwhouston said: The long green brd. with the trannies. What is it. I’ve seen them For sale. It is the dac board. It is based on the original design from Signalyst. It only accepts a dsd signal but can be used with pcm by using software upsampling on a powerful computer or as I have done, using hardware resampling on the input board via an AK4137 upsampler chip. This dac completely outperforms my daul AK4495 board from the same manufacturer. Great thing about this board is it's comparatively low cost and the fact that it only requires 3x5v input to make it work. I use 2x Lt3045 regulators for the 2 channels the other 5 v input is simply to run the output relay. I think the board is a bargain. 1 Link to comment Share on other sites More sharing options...
MattyW Posted October 19, 2019 Share Posted October 19, 2019 4 minutes ago, Ozcall said: It is the dac board. It is based on the original design from Signalyst. It only accepts a dsd signal but can be used with pcm by using software upsampling on a powerful computer or as I have done, using hardware resampling on the input board via an AK4137 upsampler chip. This dac completely outperforms my daul AK4495 board from the same manufacturer. Great thing about this board is it's comparatively low cost and the fact that it only requires 3x5v input to make it work. I use 2x Lt3045 regulators for the 2 channels the other 5 v input is simply to run the output relay. I think the board is a bargain. Looks rather interesting. Output trannies really do make a huge difference. I wish the Chinese DAC's would use them rather than OPAMPS. Link to comment Share on other sites More sharing options...
bob_m_54 Posted October 19, 2019 Share Posted October 19, 2019 16 hours ago, Muon N' said: OK, dealt with the muting issue that followed after going non oversampling, the work around was on the Lampizator site. No strange sound at start of play or skipping between tracks But..... damn! I hate soldering to legs on these spider chips! Is this solder pad on the same trace? Might be easier than soldering onto chip leads. Link to comment Share on other sites More sharing options...
bob_m_54 Posted October 19, 2019 Share Posted October 19, 2019 (edited) Is this solder pad on the same trace? May be easier than soldering onto the chip leg. Edited October 19, 2019 by bob_m_54 1 Link to comment Share on other sites More sharing options...
Guest Muon N' Posted October 19, 2019 Share Posted October 19, 2019 (edited) 5 minutes ago, bob_m_54 said: Is this solder pad on the same trace? Might be easier than soldering onto chip leads. Nah, it had no trace from it, like it's floating. Works as I did with no shorts to either neighboring legs. A pic off lampizator site for reference, pin 18. Edited October 19, 2019 by Muon N' Link to comment Share on other sites More sharing options...
Guest Muon N' Posted October 19, 2019 Share Posted October 19, 2019 (edited) I get what you mean Bob, and that is essentially how I did it, I just didn't define the difference between pad and leg. Edit: ah, that pad over there, nah, different leg. Edited October 19, 2019 by Muon N' Link to comment Share on other sites More sharing options...
bob_m_54 Posted October 19, 2019 Share Posted October 19, 2019 Yep, that's easier to see in your last pic. I hate soldering onto them too. Link to comment Share on other sites More sharing options...
bob_m_54 Posted October 19, 2019 Share Posted October 19, 2019 I remember modifying my old Amiga 500, about a week after I bought it, by piggybacking a new ROM chip directly to the pins of the original ROM chip, with only the chip select pins connected to a switch for selecting between the two. Obviously it wasn't hot switchable LOL Link to comment Share on other sites More sharing options...
Diegol Posted October 19, 2019 Share Posted October 19, 2019 Diy steel couplers feets (aka Finite Element Cerapod) 3 Link to comment Share on other sites More sharing options...
mwhouston Posted October 20, 2019 Share Posted October 20, 2019 Who is up for their own version of these. 1 1 Link to comment Share on other sites More sharing options...
aussievintage Posted October 20, 2019 Share Posted October 20, 2019 10 minutes ago, mwhouston said: Who is up for their own version of these. Cute. Does the design treat them as a transmission line, or is it a sealed volume? I have a pair of tiny drivers that might suit. or maybe these from Jaycar https://www.jaycar.com.au/shielded-2-inch-10w-8-ohm-full-range-speaker/p/AS3032 on special for the next few days Link to comment Share on other sites More sharing options...
RankStranger Posted October 20, 2019 Share Posted October 20, 2019 23 minutes ago, mwhouston said: Who is up for their own version of these. Please tell me they’re called the "chestbursters" 1 1 Link to comment Share on other sites More sharing options...
aussievintage Posted October 20, 2019 Share Posted October 20, 2019 http://www.t-linespeakers.org/projects/sampson/babysnakes.html http://www.linkwitzlab.com/Pluto/photos.htm http://zelfbouwaudio.nl/forum/viewtopic.php?t=8649 Link to comment Share on other sites More sharing options...
Batty Posted October 21, 2019 Share Posted October 21, 2019 Just finished the Pass ACA. A diminutive 8ish watt class A power amp. Powered by a 24v Meanwell brick smps. Using the B1Korg to drive it from the SB Touch. Surprising how easily it drives my Castles, but they are 92dB 1W1m. And to show how small it is, a pic of it sat on my M2X. 4 1 Link to comment Share on other sites More sharing options...
planet10 Posted October 21, 2019 Share Posted October 21, 2019 32 minutes ago, Batty said: Just finished the Pass ACA. A diminutive 8ish watt class A power amp. I have one of those is my system (loaned out my first watt). A wonderful little amplifier. dave 1 Link to comment Share on other sites More sharing options...
Batty Posted October 21, 2019 Share Posted October 21, 2019 Great little amp, especially for a 5 hour build. Link to comment Share on other sites More sharing options...
mwhouston Posted October 21, 2019 Share Posted October 21, 2019 Way off thread but does anyone know the bit rate of free Spotify? Link to comment Share on other sites More sharing options...
RankStranger Posted October 21, 2019 Share Posted October 21, 2019 50 minutes ago, mwhouston said: Way off thread but does anyone know the bit rate of free Spotify? If I remember correctly, it’s 160 on desktop but I think it’s lower on mobile 1 Link to comment Share on other sites More sharing options...
Primare Knob Posted October 22, 2019 Share Posted October 22, 2019 Finally started working on my first subs build, using Dayton RSS390HO drivers The core plan was to keep them small, 410x410x410x18mm, with drivers and bracing that comes down to roughly 44l net.The baffle is double 18mm, and I did manage to piece together the 3D bracing today.Bought a router last weekend, as the blade of the jigsaw was warping too much and wasn't creating a perfect circle.My plan is to finish the outside by using the same bamboo floor boards that are in the cinema room, but I will need the help of a table saw to get that right.Hopefully my neighbour can be persuaded with some beers. 1 Link to comment Share on other sites More sharing options...
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