mikebse2a3
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Posts posted by mikebse2a3
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This place is much better with you Gil … 🙂
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@Rudy81 I thought it would be nice to edit your photo so we could see more details of the speakers but if for any reason you would rather I didn’t just let me know and I will delete it.
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22 hours ago, kippy said:
Additionally, would I still need my sub? When I heard the Jubilee speakers they sounded like they could go down to the lower frequences much better than my old Klipschorns. I enjoy movies and dance music so wondering if I really need the sub.
Based on my experiences with the Heritage Jubilee and the quality and extension of it’s bass reproduction I would start with no additional subs and if for some reason I felt the need for another sub due to room acoustics/setup limitations then I would personally only consider the appropriate sized (due to be introduced in the near(?) future) horn loaded Heritage Subs to maintain the quality of the system with the Heritage Jubilee.
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11 hours ago, kippy said:
I am treating it as a dedicated listening room, but my partner, well, she might have other ideas
I will take some pics of the space and post. It's carpeted, 8 ft ceilings, not a lot of glass to reflect the sound off of. Planning to put the speakers on either side of a french door facing the ocean. Distance between the speakers (and listener) will be about 12' or 13' feet, def not going into the corners as the space is quite large.
Sounds like a really nice space kippy with the potential for an amazing listening experience.
The soundstage/imaging can be amazing with the Heritage Jubilee when installed into a good acoustical space and is a highly valued aspect of sound reproduction speaking for myself.
I’m curious what loudspeakers have you been using and is your current system in the same space where the Heritage Jubilee will be installed?
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19 minutes ago, kippy said:
Thanks kindly for the response and suggestion to read the post, diving into that now. My room is about 35 x 45, a fairly large space.
I’m curious… is this a multiple purpose space or dedicated listening room where you will have more freedom to integrate the loudspeakers and use acoustical treatments as needed…?
Would love to see any pictures you care to share of the listening room.
miketn🙂
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@kippy congratulations on your purchase of the Heritage Jubilee which are amazing…!!!
Your MC252 will most likely be a very good match and well worth giving them a chance before trying anything different.
Getting the loudspeaker/room integration optimized is where the magic happens… 🙂👍
miketn
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List Prices seem to need updating in the article… 🙂
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3 hours ago, JohnA said:
I know what happens when inductors are paralleled, but why would you ever do that?
3 hours ago, JohnA said:This is asked in the realm of relatively low power electronic circuits in radio transmitters/receivers, like 20 to 1000 watts. But it could apply to crossovers.
I suspect it might be the best way to obtain desired Q values at the frequencies of interest in a particular circuit as it relates to compromises in building real world inductors.
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48 minutes ago, MMurg said:
I forgot to take a picture of the two curves, one with the passive network and one with the DSP, but the difference was night and day.
Would love to have seen this 😀
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Thanks Michael for sharing the pictures and details of what Roy has accomplished with the continuing evolution of the awesome La Scala and Klipschorn.
I certainly missed being there with all the Boneheads 🙂
miketn
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28 minutes ago, Gnote said:
I believe Bob Heil and PWK were pretty good friends . I saw Bob just passed a few days ago . RIP
I'm really digging that room !
RIP Bob Heil
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3 hours ago, babadono said:
I added some HEIL AMTs to my 2 way UG Jubes. Only using right now at 5kHz and above. Definitely adds some air. Even with the 402s already having TADs
Interesting…. But I would suggest the Heil AMTs be vertically aligned and as close to the K402 as possible to minimize image smearing assuming you want the best imaging possible with this configuration.
miketn 🙂
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I was fortunate to have met Larry several times and our conversations were always interesting.
Rest In Peace🕊️
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16 hours ago, ThomBoh said:
I have tried three different Decware tube amplifiers (two different SE84UFO25s, and the new SEWE300B) and have found that with all three of them, when paired with my La Scala AL5s, there is a loud 60 or 120 Hz (maybe both) hum. This hum is independent of gain/volume setting on the amplifiers, always the same volume. I measure this baseline hum at 59 dB in my listening chair using a handheld decibel meter (C weighted).
Reading through this thread it sure seems apparent to me that it is the Decware amplifiers are the source of your Hum Issue.
The question then becomes why are you experiencing it at such a high SPL level at the listening chair.
This makes me ask how you experience the Hum when you walk around in the room.? Do you hear it as significantly louder and quieter as you move around and also as you measure it with your SPL Meter?
I could see in an unfortunate situation where a possibility that room modes at 60Hz/120Hz could be coupling very efficiently with the loudspeaker and listening positions that would exasperate the inherent by design hum of these amplifiers.
An unfortunate combination of room dimensions could lead to Room Modes that could easily add +12db to the Hum Level at some areas of the room.
Just a thought anyway and I hope you find a solution to this problem… 🙂
miketn
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8 minutes ago, jwc said:
Does anybody have a frequency response of this speaker. Does it require EQ? Is it really usable down to 800 hz?
ChrisA posted some information here JC
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12 hours ago, garyc_06820 said:
Since I am actually building walls, I am just looking for the actual dimension that gets me the best extension that the klipschorn is capable of.
Well the DPH paper say’s Neglible Improvement past 4ft so whatever gives you peace of mind 🙂
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20 minutes ago, shawnwes said:
I actually am heading out to the post office this morning to pick up a copy of The VTL Book Vol 1 that I found on Ebay. I believe that's where those pictures are from.
I hope it does…. I have the “The Vacuum Tube Logic Book - Second Edition” and none of the resistors or capacitor values are on the schematic and it also appears to have a mistake (ie: connection line is missing from 2.7k resistor to DIP Switch Resistors) as seen in the schematic drawing above where the DIP Switch resistors are not shown as being in parallel when in the “ON Position” with the 2.7k resistor shown in the above schematic.
Yes you should be able to determine the values with a meter.
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3 hours ago, shawnwes said:
No response from Bea & Luke at VTL regarding purchasing a copy of the manual. It's mostly for the MC dipswitch values I'd like it but I can probably figure them out by reading the resistor values and assume they would be wired in parallel so whichever ones are turned on would sum.
@shawnwes You can find more pictures here if you haven’t seen these before that might help you.
Here are a few pictures of a VTL Ultimate Pre-Amplifier and the schematics I was able to see before I was locked out and requested to join the group.
This one was on another topic post on the same website.
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I’m thinking this was posted in the past here but I thought this nice Interactive Frequency Chart may be a helpful tool for those trying to evaluate their systems performance by being helpful in narrowing down what areas they feel could need improvement.
This link will take you to the actual “Interactive Frequency Chart”
Example: This picture below shows the Instrument Data for MALE VOCAL
miketn🙂
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6 hours ago, babadono said:
Mike did you see in the Guits and more thread you can bid on some of Mark's guitars too
I can play a CD but not so much a guitar 😁
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Finally here..!!! Pre-ordered 6 months ago and sounds great 🙂👍
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23 hours ago, Tom05 said:
It’s difficult to find solutions without a problem. True the Lascala’s run a little hot in the 150 hz range, and the op does seem to be sensitive to this . But when this blip is removed and a very nice flat response has been achieved, the op then perceives a thin response, the exact opposite of the original problem, and all this happening within a 6 db range 🤷.In this case ,finding stereo satisfaction is not likely to happen , as the variation in recordings would far exceed the tolerance of the listener .
Based on my own experience with the DSpeaker and my La Scala AL5 I believe with some fine tuning the OP will be able to reach a place of satisfaction with more of his music being enjoyable.
The “emphasis” in the 100Hz - 200Hz region is audible and I personally consider it a significant improvement and that a more accurate reproduction of the recordings are achieved when it’s effects on the recordings are removed.
23 hours ago, Tom05 said:There is an implication that runs throughout this thread that a serious fault lies within the Klipsch Lascala , I don’t believe it , nor should you.
I respectfully disagree and I certainly don’t believe the OP, myself or others discussing the “emphasis” in the 100Hz -200Hz region of the La Scala AL5 is wrong or misleading anyone.
It’s really simple in my mind and that is if you want to fine tune and thus improve the reproduction of the La Scala then implement the PEQs that Roy has suggested for active user who have that capability. This is easily achieved by active methods but my guess is that it is impractical in passive crossover designs (impedance would drop to low in value with compensation network) or “I believe” Roy would have implemented it in those as well.
@Flevoman wants the most enjoyment he can achieve from his system as I do and I believe most anyone on this forum wants so he is searching for the answers to achieve that goal wherever it leads and thus started this thread simply to find answers and solutions.
miketn🙂
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For what it’s worth I personally find it helpful to step back from the keyboard and let some time pass by and then reread post from a calmer perspective.
I truly believe most here have good intentions 🙂
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5 hours ago, KT88 said:
The display shows a significant difference, impressive. Just as a trial could you adjust it afterwards so that it is a little less flat/linear in the range between 100 and 160Hz? But with a very slight curvature upwards? Then the "warmth" would come back to the sound. It is precisely the frequency range that pretends the full bass in an LS3/5a and is indispensable there.
@KT88 yes I believe he could add a PEQ: 148Hz / Q:8 / Level: (+2 to +5db range) as a trial to compensate for some of what the Auto-Room Compensation adjusted it to. If it proves to be a move in the right direction for @Flevoman then it could be fine tuned if needed to reach his listening goal. NOTE: This is Roy’s PEQ setting except we are now using +db levels to compensate some for the Auto-Room Compensation and find the balance Flevoman desires. Other PEQ; filters can be added to fine tune the region more if desired.
It’s important to understand that when you compensate for room modes the bass/mid-bass can at first be perceived as light versus before the compensation. Because the problem room modes are adding a false boost which also mask clarity/detail then by the room compensation removing this false boosting the “perception” can be of a much improved clarity/detail in bass and also in the midrange and hi frequency but also of this perceived lighter bass/mid-bass and some listeners will find it desirable to increase the level in the corrected region. The DSpeaker can perform this in several ways like the PEQ I’m suggesting above. It might take some time with trial and error to find the balance someone desires but it should be achievable.
I do understand not everyone is comfortable with the process or desire to spend the time to become familiar enough with what a DSP EQ offers and that’s understandable.
miketn🙂
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MC30 pair
in Talkin' Tubes
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Very nice John… 👍🙂