concertnotthatloud 3 Posted July 19, 2015 Posted July 19, 2015 I have purchased two M1.5ts as a package deal for 90$ and I managed to get a c4000 preamp for 100$ I had the amps serviced and hooked one amp /preamp up last night and I have to say I was just blown away at the sound (first time ever hearing carver or any higher end equipment) running through a pair of cerwin at15s.I have a couple of sets of smaller speakers cv hed / Yamaha ns670s should I hook up the second amp to this system or no. I guess I'm asking for configuration suggestions at a very basic level . I looked at the preamp manual and realized I'm even more of a novice than I first thought.ANY thoughts would be appreciated.
kve777 6,897 Posted July 19, 2015 Posted July 19, 2015 Welcome to the land of higher listening! I commend you on your bargaining skills! Those are some great deals. Without sounding like I'm gear-bashing, we need to talk about your speakers. I've owned hundreds of pairs of speakers and understand the appeal of the C-V AT-15's. Very impressive if "in-your-face-loud" is a characteristic you cherish. I consider them brash, more of what I call a Frat House speaker. They lack manners. Denim jackets in the Armani suit world the Carver gear is trying to create. Lets get you a pair of nice big Infinity's or Polk's. Being north of the border, be on the lookout for deals on some of the big Mirage's and KEF's. If you can find a pair of Mirage M-1 or M-3 speakers, they would do nicely. So would a pair of Infinity RS Kappa 8's or 9's. Luck into some Polk SDA-SRS' and you'll really be in Audio Heaven! If you want to go really loud, hunt down some big Klipsch's, like La Scala's, Cornwall's or Belle's. Four of those will be louder than any humans can take without ear damage! Do not overlook any JBL deals! Tell us a bit more about your source gear, too. CDP? Tuner? any Tape decks? Turntables, spinning any vinyl? Don't get me started on tube gear...that will come with time! It helps to know your listening tastes, too. Who, or what do you like? 2
Ar9Jim 6,520 Posted July 19, 2015 Posted July 19, 2015 You could look at the back of your amps for the mono wiring instructions..You could use one amp for each channel that way..Be careful of the volume control because the power will be huge..Your speakers appear to be rated at a 4 ohm load..Some amps will not like a 4 ohm load bridged mono but some are fine..The mono instructions will normally say something like "8 ohms minimum for mono operation" or something to that effect if its an issue..Even at low volume more power sounds better imho...It would be interesting to hear your observations..I have found over time that Kevin's recommendations are normally spot on, as he has listened to just about everything and is able to put his observations into words quite well..The C4000 is a great preamp..I also have a C1 with the BillD mods that you will likely read about..The C1 with BillD mods is my favorite, but the C4000 with all the goodies like Sonic Hologram, Digital time lens, Auto correlate is a great preamp in my opinion..Its labeled for CD and has a push button for gain adjustment which is also nice..You landed a great deal..Enjoy.. 1
kve777 6,897 Posted July 19, 2015 Posted July 19, 2015 The M-1.5t has no provision for mono use by bridging. It doesn't need it. If you want to use one channel from one amp to drive one speaker and one channel from the other amp for the other speaker, you would be using the equivalent of a 750 watt mono-block to each, as the power supply "power steering" allows that much power to go to one channel for well more than the time necessary to reproduce a musical passage. In real world use, the M-1.5t is a 1200 watt amp. 600 WPC peak, useful for music. That's a silly amount of power for efficient speakers like C-V AT-15's! Stock up on tweeter fuses, or tweeters! Things are going to blow!
Ar9Jim 6,520 Posted July 19, 2015 Posted July 19, 2015 Kevin, Is the "power steering" type supply unique to M 1.5s ? It differs from the M1.0, M400, M500 types ? I totally agree that the power would be crazy into the CVs, but how many of us wouldn't do it anyway?? I mean the amps just sitting there begging to be played with...Carefully...Don't destroy your speakers, or your hearing for that matter..
kve777 6,897 Posted July 19, 2015 Posted July 19, 2015 Kevin, Is the "power steering" type supply unique to M 1.5s ? It differs from the M1.0, M400, M500 types ? I totally agree that the power would be crazy into the CVs, but how many of us wouldn't do it anyway?? I mean the amps just sitting there begging to be played with...Carefully.. Same kind of power steering in the others. Just no bridging to mono switch or hookup. 3
concertnotthatloud 3 Posted July 19, 2015 Author Posted July 19, 2015 Well I would have to agree that there's no sense in adding that second amp as it's easy enough to find the very edge of those cerwins with just one.I do like the idea of running 4 big speakers off those two amps, but I would have to say those Polk sda srs look like they should live with me. I will make change for sure. The bass is incredible in those cerwins but mid is lacking , I don't want to service them if they aren't staying. If there is better, louder ,cleaner more true out there with same or better bass, I want them badly lol.
Chuck 74 Posted July 19, 2015 Posted July 19, 2015 Don't let people persuade you that your CV's are not good sounding speakers, everyone has their own ears I have a set of Cerwin Vega DX-7's running them with a M-1.5t and they sound great and will blow the windows out of the house No they don't sound as good as my Dahlquist DQM-7's but they are great speakers in their own right and they will take more power than your ears can take 1
PMAT 2,061 Posted July 19, 2015 Posted July 19, 2015 I am very happy for you on such a killer deal. You are welcome to join in on more topics. I would keep the CV's and get other designs for the sheer fun of it all. Kevin wasn't slamming the CV's just making good suggestions about getting different sound, which you may love. Having it all is one of Kelvins endearing qualities. Different tools for different jobs. If you have friends that you can borrow speakers from try that. We are all here to help and to follow your journey with you. Use the PM for private conversation. Most of all have fun. 2
zumbini 6,153 Posted July 19, 2015 Posted July 19, 2015 Kevin, Is the "power steering" type supply unique to M 1.5s ? It differs from the M1.0, M400, M500 types ? I totally agree that the power would be crazy into the CVs, but how many of us wouldn't do it anyway?? I mean the amps just sitting there begging to be played with...Carefully.. Same kind of power steering in the others. Just no bridging to mono switch or hookup.Bob's marketing folks gave us the terminology but "power steering" is available in most 2 channel amps with a common transformer. 2
concertnotthatloud 3 Posted July 20, 2015 Author Posted July 20, 2015 I'm not really the type to be led so I will research what I've been told in this forum and go from there ,but at least I can narrow it down and see what suits me I have been reading forums in this site for a time now and value all opinions and have a real respect for what's happening here,anyone who takes time to help like this is okay by me.
galaxyoilcan 88 Posted July 20, 2015 Posted July 20, 2015 Great buys! From the looks of those components you appear to have received the deal of the century on the set. I'm guessing you will need to sink much more into bringing them up to date with new caps etc. Just know the results will be well worth it. 1
zumbini 6,153 Posted July 20, 2015 Posted July 20, 2015 Sweet deal! You can never have too much power...
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