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Audio System

About Me

Found 11 results

  1. View Classified Cisco Catalyst 2960 Series SI Switch Selling my Cisco Catalyst 2960 SI (WS-C2960-8TC-S) switch. Price $15 plus shipping costs ($15 USPS Priority Mail - Medium box, if shipped to CONUS address). Seller ericuco Date 07/01/20 Price 15.00 USD Category Computers / Networking Gear  
  2. Time Left: 24 days and 13 hours

    • FOR SALE
    • USED

    Selling my Cisco Catalyst 2960 SI (WS-C2960-8TC-S) switch. Price $15 plus shipping costs ($15 USPS Priority Mail - Medium box, if shipped to CONUS address).

    15.00 USD

  3. For sale are a SOtM sMS-200ultra with Neo capacitor, tx-USBhubEX, Netgear switch and clock cables. See pictures and details at https://www.canuckaudiomart.com/details/649587553-sotm-sms-200ultra-neo-cap-sotm-tx-usbhubex-modded-netgear-switch-two-clock-cables-uptone-audio-uspcb/ tx and switch are clocked by the sMS. Note, the price is in Canadian dollars.
  4. Hello all, I have a Linn Klimax DS, connected by ethernet to my Internet provider box, as well as a qnap 109. These were Linn's recommandations when I purchased my first DS streamer. Reading the forum, I feel it may not be the best set up. I would like to try Roon and not have too many boxes and cables. What would you advise me to do? Get a nuc for Roon + a Switch, another nas with ssd cache, or going the innuos or sonictransporter route ? I'm a bit lost as many threads seem open to debate in the long run and tend to favor USB related solutions. Thanks a lot!
  5. Melco has together with Buffalo Technology made a switch for “audiophiles”. It will cost quite a bit more than the switch that Up tone is about to realize and the one from SOtM. Would I like to discuss the pros and cons of the designs as well as the SQ impact of those switches with others that are interested in audio grade switches. Some info/marketing stuff about the S100 can be read here: https://audiobacon.net/2019/10/23/melcos-new-audio-specific-s100-data-switch/
  6. I recently built a NUC into an Akasa case as Roon networking bridge /endpoint with great results I have expanded the project to do a little more tinkering. I briefly played with WiFi, and I am pretty sure that the WiFi was messing with my system. The NUC I am using has an M.2 "e" slot for PCIe networking. There is an M.2 network card that drives an SFP. I am considering putting this in my NUC. https://www.newegg.com/Product/Product.aspx?Item=N82E16833453141&Description=M.2 SFP &cm_re=M.2_SFP-_-33-453-141-_-Product If you have a spare PCIe slot in your server, you can put a PCIe SFP card in the server. https://www.newegg.com/Product/Product.aspx?Item=N82E16833114123&ignorebbr=1 With these two network "cards" we can now test direct fiber between the server and the endpoint. This idea is going through my head while I am testing the TLS modified network switch. I have a PLAN! My current server is a Sonic Transporter i7 DSP that is set up for network bridging. I have a run of bog-standard CAT6 from the basement computer shelf to the system in the Living Room with the NUC. My TLS switch hooked up to an LPS-1.2 in the rack with the stereo. To start testing this idea I ordered some fiber gear from FS.COM as follows. (Ignore the switch for this part of my project) 8-Port Gigabit PoE+ Managed Switch with 2 SFP, 150W ID #73457 US$ 160.00x1 US$ 160.00 1000BASE-BX BiDi SFP 1310nm-TX/1550nm-RX 10km DOM Transceiver Module for FS Switches ID #29892 US$ 9.00x2 US$ 18.00 1000BASE-BX BiDi SFP 1550nm-TX/1310nm-RX 10km DOM Transceiver Module for FS Switches ID #29893 US$ 12.00x2 US$ 24.00 Unmanaged 1x 10/100/1000Base-T RJ45 to 1x 1000Base-X SFP, Gigabit Ethernet Media Converter, AC 100V~240V ID #17237 US$ 31.00x2 US$ 62.00 1m (3ft) LC UPC to LC UPC Simplex OS2 Single Mode PVC (OFNR) 2.0mm Fiber Optic Patch Cable ID #40446 US$ 1.50x2 US$ 3.00 5m (16ft) LC UPC to LC UPC Simplex OS2 Single Mode PVC (OFNR) 2.0mm Fiber Optic Patch Cable ID #40436 US$ 1.90x2 US$ 3.80 15m (49ft) LC UPC to LC UPC Simplex OS2 Single Mode PVC (OFNR) 2.0mm Fiber Optic Patch Cable ID #40441 US$ 3.00x2 US$ 6.00 The first test configuration was system validation placing the FMC devices between the home network and the server using a short fiber cable. Everything operated as expected for four hours while I was working. Plug and Play! Note that the SFP system I am using has a Single Mode single fiber and the SFP's are in pairs transmitting on 1310 or 1550. There is now a 15M fiber cable between the endpoints. I powered the server-side FMC with one rail of the HDPLEX 200 supply. The second FMC is next to the TLS switch. I only have one LPS up there, so the FMC is on the provided SMPS. Here is the test plan outline. *** I like to work backward from what I think will be the best.*** With a little more run-in time on the TLS switch I will listen between the fiber network and Ethernet network with the TLS switch as the last hop before the NUC. Then I will remove the switch and power the FMC with the LPS 1.2 to see how that sounds. Finally drop back to ethernet only. ------- After all that I will decide about trying the direct fiber to the NUC. I am considering building a fanless Xeon server that will have one or two SFP ports to isolate the server from the rest of the network without additional switching or wireless. As a final note the FMC devices are network switch gear and I am sure that they introduce some sort of noise. Much to consider here.
  7. Hello fellows, anybody tried the new netgear switch (Nighthawk S8000) and router Nighthawk S8000? There is a lot on the net in regards to low latency and gaming performance so I was wondering if they do give a benefit. Any different in sound / picture quality when streaming? Please share your experience. kind regards Panos
  8. Hi all, I'm upgrading a home network to send music and video to different rooms but am confused; I'm definitely not experienced at networking! We have a small house with 3 (maybe 4 later) rooms where we *want* to watch video or listen to music. Now we only have one attached to our home network, and wirelessly at that. I know that wired is much more reliable, secure, and fast. Right now I have high speed cable broadband. The signal is split, one coax leg going to a good DVR, and the other to a new Motorola SB6141 cable modem and directly from there to a Linksys WRT54GL wireless router/4-port switch. I am about to connect my Mac Mini (late 2012) and the main audio system, which it now feeds, via CAT6A ethernet cable in place of the current, slow, wireless VNC connection. I'm also about to run 6A ethernet to the other rooms so that video and audio can be accessed. I'm only now learning to set up a home network. I have an AppleTV that I still haven't installed for the main system, and will probably get another one or two for AV sources in other rooms. All of our cables, modem, and router are located together in one small office next to the family room with the main HT-and-hotshot-audio system. Note, there is only my wife and me in a small house. I *do* want to stream HD video and Hi-rez audio to at least 3 different systems in 3 separate rooms. I have no problem with the AV components *past* the network, well except for the AppleTV which I learning to use, I designed lots of audio gear. My main question now is how I should set up the main internet connection; the advice I've heard is confusing. In a thread quite a while back, ever-helpful Eloise said in: http://www.computeraudiophile.com/f22-networking-networked-audio-and-streaming/whole-house-wired-network-8547/ " Additional router thoughts... Not sure if you were already thinking this... But I would use the router purely as a router (for Internet connection). All wired Ethernet should go to a separate switch. And (optional but advised) get a separate wireless access point for your wireless connection(s). Eloise" So, what should attach to the cable modem? Should that be a good *wired-only* router with say, 8 GigE outputs and a high-capacity backplane, or would a very good wireless router with the same 8 GigE ports do the job? And what about other switches or WAPs downstream? If I get an Airport Extreme as the router attached to the cable modem, should I NOT use its wireless section, but add another wireless router/WAP downstream? We only need one wireless zone in the house, it is small enough for that. All my music is now on a HD attached to my Mac Mini and I use iTunes. (Um, just learning to do that!) Questions, questions, sorry! I'm willing to spend some coin for good networking equipment but am not sure how to arrange it. Thanks for any help!
  9. Hi, I’m a newbie on CA and this is my first post, and it's a long winded one. I’m about to update my home network backbone and looking for advice. Thanks for taking the time to read and even better if you can help. I’ve taken quite a bit of time to search for answers here and google without much luck (as it pertains to home network backbone structures). I'm hoping I haven't overlooked anything obvious - I can find info on downstream switch/hub setup, but not so much on the backbone. My home network has evolved over the past 10 years starting with basic internet/network, a 24 Port 10/100 Switch, Crestron Automation (mechanical), extensive conduit and CAT5e cable drops during renos (have 6 hardwired connections spaced around my office), NAS, ATV and 10 zones of Sonos etc. Then we added (bridged) another 24 Port 10/100/1000 Switch and more Crestron integration including digital automation controllers/wireless bridges and POE and other unmanaged remote switches. We’ve recently added 2 HDHomerun’s with dual tuners and NAS for DVR. Everything works… usually. I’m having some issues with the current setup from broadcast storms and network/internet freeze/drops. I can produce a broadcast storm by adding another Sonos ZP90 to Ethernet, it works fine with wireless. I’ve had comments from a young networking guy who suggests that the bridging of the 2 switches and too many tight turning and exposed wire ends in the patch panel causing x-talk. Could be one of these devices is starting to fail. My internet connection seems to disconnect several times a day – it’s getting to be a PITA for Roon use. My current setup includes a Motorola Surfboard SBG6580 Cable Modem (Cableco issued in bridge mode, less than 2 yrs old) > Netgear N600 Router (less than 2 yrs old) > Patch Panel > 2 switches – a 24 port 10/100 Dlink DES-1024D and a Netgear GS724T 24 Port Gig Smart Switch. Extensive Cat5e cable throughout the house and conduit to most rooms. I use 2 Airport Express WAP’s wired to the network and 4 other 5-8 port switch hubs scattered in the house. A 16TB FreeNAS Mini serving audio to 10 Sonos zones and a couple Roon end points. 2 other small backup NAS’s - one is used for recording OTA HDTV broadcasts and serving to Smart TV’s etc. Also streaming Netflix, Video, Spotify & Tidal to HT, ATV4, several smart TV’s and a dedicated listening room. 1 PC workstation, several laptops, tablets and smartphones. No VoIP. I’ve been recommended to upgrade to a single 48 Port Managed PoE layer 2 switch. Some of the Crestron gear is using PoE inserters and maybe upgrading to PoE WAPs. I’ve read about the benefits of Managed Switches & VLANs, but there seems to be some conflicting info on PoE implementation. I’ve seen recommendations for everything from Netgear Prosafe to Cisco Catalyst Layer 3 switches. I’m currently leaning toward Ubiquiti simply because our user experience at work with their gear & UI has been user friendly and bulletproof. A Cisco Catalyst 48P with PoE seems very expensive by comparison. But I expect to get 10+ years trouble free service from it so I don’t want to cut corners just to save $$. I have too much invested in the system to experiment and it’s going to be a big job rewiring the network closet. I’m interested in any advice regarding the modem, router, switch, WAPs, where to use PoE and power supply suggestions. Thanks for reading. Rod
  10. This post is my attempt to combine a number of questions/concerns about how to get the best sound out of networked audio--without spending a fortune 'buying and trying'. I'm running Roon core on my desktop PC, pulling files from a NAS, feeding 4 zones. My internet is 150G Xfinity, and I live in a house by myself. I don't expect to get a concensus on all of this, but would love to hear what's worked (or failed miserably) for people, and what some of the real theory behind these things might be. It will become clear that I am not an EE or a network engineer, so forgive me in advance if some of these questions are naive/wrong-headed, but it is useful to understand how I may be relying on an incorrect picture/model of how these things work. I also believe that the stuff in the basic textbooks is not always the whole truth either. Here goes, in no particular order: 1.Switches, beside # of ports, and managed/unmanaged, what matters for performance? 2. I've built but not yet tried some of the JS grounding adaptors, but also have a few metal-cased switches that have grounding screws. Should I connect their grounds as well? Should I do this for every wallwart powered network device in the whole network? 3. I have an ASUS AC88U router with a built-in 8 port switch- will it matter whether I use all 8 ports, feeding other switches as necessary, or should I offload the switching functions from the router as much as possible? Is it good/bad/neutral to have data/music flow through mutiple switches, vs a more direct path? 4. Ethernet cables: Is anything above CAT6 enough? Shielded vs. unshielded? Proximity to other cables - AC, e.g.? 5. Will LPS's work better than SMPS, for all of the networking hardware? That's it for now. Thanks in advance for your replies. Mark
  11. hello, Newbie on this forum, but I'd like to think I am not-so-newbie in computer audio. Until now perhaps. After much trial&error, I still can't get streaming 176.4/24 and 192/24 files to work. Streaming up to 96/24 works perfectly on my home LAN. My set up is as follows: Synology DS213+ NAS, connected to the LAN with 1Gb Ethernet connection iMac - connects via 100Mb Ethernet Moon MiND180 renderer - connects via 100Mb Ethernet to the LAN Netgear GS108 switch with 8x 10Mb/100Mb/1Gb ports Router - Fritzbox7360, connects also to the Netgear switch I downloaded 176.4/24 (FLAC) version of Michael Jackson's album Thriller from HD tracks. when playing a 176.4/24 track that is stored on my iMac with Enqueue on my iMac, the track plays without any problems on my iMac - to me this proves the 176.4/24 file does not have any errors when playing the same track, but streaming the track from my NAS to Enqueue on my iMac, the file plays but with intermittent problems. When streaming that same file to the MiND180, I hear no sound at all (in the MiND app, the track progress indicator runs as like the file is playing). During playing the CPU-load of my NAS is never more than 5% - to me this proves that the NAS is capable of 176.4/24, but that the problem is somewhere in the cabling, the switch or the router and/or the MiND180 when playing the file in the same way as under 2/, but disconnecting the router, the problem stays the same - this proves to me that the router is not the issue (in fact during streaming the traffic never passes the router, it goes directly from NAS via switch to iMac/MiND180) when playing the file in the same way as under 2, but replacing the LAN cables, the problem stays the same. To me this proves the cabling is not the issue. Combining 1-4 together leads me to conclude that therefore the switch must be the issue. The switch is unmanaged (plug&pray), which means I have no means to look into the switch, but based on the above I would conclude that the switch core has not sufficient power to switch the 176.4/24 stream from the port to where the NAS connects, to the port that connects to the iMac (or MiND). It is like the input buffer overflows and thus when outputting the date to the iMAC or MiND180, that some of the data is lost. Note - the MiND is not the most stable renderer available, but it plays 96/24 without issues, and I've seen one playing 192/24 files so I do not think the MiND is an issue . Questions: 1/ can anyone pick a hole in my reasoning and did I miss something? 2/ any experience with similar issues? 3/ what switch are you using, and does streaming 176.4/24 and 192/24 files work without any problems with that switch? (if all else fails I will buy a switch that is proven to work with 192/24 streaming) Any help is greatly appreciated! Thanks Ilja
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