MenloBob
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Posts posted by MenloBob
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What's your budget for this project? Do you have spare amplifiers available you could use for active crossovers? A K510 sits nicely on top of a Heresy... Won't have the deep bass of the 396 but the Heresy has great mid bass punch to which you could add a single sub to cover the low octave.
I've ordered the K904HF bundle from Cory, which is the K510 horn with a K691 driver and a stand. I'll be combining this with a pair of H2 I have that are currently unused to solve a similar space problem to yours. I'll let you know how they sound vs the stock H2s when I have them up and running.
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On 3/12/2019 at 9:08 AM, glens said:On 3/12/2019 at 8:08 AM, Mike N said:
One of the advantages of the Bluesound is that I could plug it straight into the LAN which should be more stable than my wifi.
That's true, so long as you're able to run a network cable to where the audio equipment is located. Depending on how you set up both the router and the Bluesound node (or whatever else you may choose), as well as the NAS, there can still be occasional network hiccups while DHCP leases are renewed, for example.
Just for the record you can get LAN power adapters for the CCA which supplies both wired LAN and power over the CCAs micro USB. The CCA is an amazing piece of kit and I'm not sure I'll ever forgive Google for canceling it.
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Can you hear the improved response?
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Linkwitz was a real pioneer in this industry and an inspiration for DIYers. Such a loss.
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One advantage to two different amps is that you can match the different power requirements i.e. a more powerful amp for extra damping on the bass drivers vs. a super clean low wattage for the mid compression.
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On 3/5/2019 at 6:40 PM, Dave S said:
It's the hockey pucks. 😉
I’m going to use hockey pucks for feet in my next speaker build...
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2 hours ago, Emile said:
orry, but doesn't look like they fit
And ... don't think they fit "vertically," at least not without a motorboard redo. (FYI ... have my "main" 510's oriented vertically ... no difference)
Thanks. Turns out the 30s were a scam anyway.
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Those are beautiful even in raw birch.
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I may drive up the California coast for a pair of KLF-30s this weekend. Seems like an almost ideal box with the dual 12 drivers. @Emile what are the dimensions of your 510s? Need to figure out if they will fit in place of the KLF-30 horns.
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4 minutes ago, Marvel said:
Claude's thoughtful work will get you what you are looking for with pretty much the same footprint, with the horn us higher. Seems like a win/win for what you are looking for.
Yeah I think I'm going to do the single Super H2s first, measure them and then look towards dual 12s in the summer when I have more spare time for cab builds.
I'm looking forward to meeting a bunch of you in Hope in a few weeks.
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On 3/1/2019 at 3:15 PM, ClaudeJ1 said:
Yes, this is why a Double Super Heresy would be the ticket! Rear ports and all!! Two 12's is like an 18, so it would stomp a Cornwall with the right Compression Driver and Crossover!
What driver should I use for the two 12 approach? The Eminence neo high output or LF? I won't be using passive crossovers and will have plenty of clean power to drive them, so maybe the LF would give a bit more bottom extension? I guess I need to setup a PC to run some modeling software..
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Thanks for all the feedback.
On 3/1/2019 at 8:39 PM, Marvel said:With two 12s you might as well just get Jubes...
If I could put Jubes in my house and stay married then I absolutely would. Where I live square footage is obscenely expensive, so removing a bunch of furniture for huge speakers is not a viable option. One goal of this project is stealthily getting any speakers in my living room, which is currently decreed an "electronics free zone." I can sell the Heresys as they aren't huge and I already have them. In fact step one will be getting them out of storage and building nice stands and just running the H2s for a while.
I will be completely bi amping the 510s with active crossovers and eq, so I can easily balance the bottoms with the tops. With the single 12s they won't play much below 50, but I'll be powering each 12 with a bridged IcePower 125asx delivering well over 200w per driver. The tops will use a 125 in stereo.
Really the goal here is to get the 510s in the house as a foundation for experimentation in the future. I'll never have room for 402s, but I'd like to experiment with wide dispersion, constant directivity 2 way systems in the space I have.
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If the Scott has pre out for L+R you could use a small 4 channel mixer to adjust relative level and L & R mix to center.
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Have you done any sweep measurements with REW?
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29 minutes ago, Emile said:
Hi Bob,
Thanks. Yes, had the Marantz 1060 on the Forte's ... but also tried a Crown XLS 400 ... did not hear any difference, but the Crown died after 10 minutes
Too bad I’m 3000 miles away. I’d love to help get this going. I really think directly driving the 12s with a strong amp and judicious EQ will get you close with what you have.
Here’s my concept for a Heresy version. These will fit in the space I have available (while allowing me to stay married).
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Is the Marantz 1060 driving the 12s? Maybe you need more power to tightly control the bass driver. Perhaps swap in the Crown from your pro system.
I think if you get this setup dialed in correctly the Forte cabs should be plenty big enough for the room. Bands play small venues all the time with single 12" in smaller cabs than your Fortes. They won't play super low, but they should be able to move a lot of air with those new Eminence drivers.
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11 minutes ago, Emile said:
have a little more "punch," but not that obvious
Do you have the 510s covering the top end with the forte cabinet only driving the 12"? If so how did you setup your MiniDSP for the crossovers? Do you have a measurement mic?
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On 2/14/2019 at 3:57 PM, Emile said:
Had some GREAT PM discussions with @wvu80 and @moray james (THANK YOU guys) and first going to try a pair of Pro woofers (Eminence Delta 12LFA) in my Forte cabinets. Moray thinks it might get me close to Cornwall's. Hey; for $150 it's worth a try
Any progress on updating the Fortes?
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The K510 is highly regarded but hard/expensive to come by.
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Payment sent. I’m assuming Little Rock is the best airport to fly into?
Should I bring a case of California wine?
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I’ve been reading about this for years and I’ve always wanted to hear jubes and 510s so I’m in.
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6 hours ago, thebes said:
Fun stuff but no Ampex!
Stanford Medical center tore down the historical Ampex sign in Redwood City last summer. Last vestige of the old days left..
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Rather seemed completely out of his comfort zone in that interview. But Bobby always knew how to spin a yarn no matter who asked the questions.
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7 hours ago, AHall said:
I found a nice used radian 950pb-16 on eBay to try in a k510 for my center channel. Should be a fun experiment using my heresy for the LF cab. I tried it once with the included k69 but I think that driver diaphragm might have been messed up because it sounded very odd.
Let me know how that goes. I'm thinking about doing a stereo rig with the super heresy mod as a bottom end for k510/k691s instead of building new cabinets (I have a couple of mid eighties H2s in storage somewhere.)
And ... don't think they fit "vertically," at least not without a motorboard redo. (FYI ... have my "main" 510's oriented vertically ... no difference)
Getting back that sound!
in Klipsch Pro Audio
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Although I see from another thread you used to have 402s. If your used to that sound it's going to be hard to replicate.