VBSS Credenza Build - Contemporary Spin - Page 2 - AVS Forum | Home Theater Discussions And Reviews
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post #31 of 44 Old 05-21-2019, 10:22 PM - Thread Starter
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Last weekend was very productive. All four cabs are super close to assembly.

All visible sides laminated, with routed edges.

To do:
Bolt enclosures together.
Assemble tops.
Route artificial gaps on face.
Laminate & install 3" feet.
Drill holes & install speakon connectors.
Install Ports, Wires & Speakers!

Notes:
I should have laminated the top strips last, so I might add one extra layer of laminate so it is harder to see the joined edges while standing.

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Bedroom Audio: Two Shallow Under Bed PA310-8 12's energized by an SPA250DSP Plate Amp. Two BST-1s. 75 Watt 7.1 Onkyo AVR with Five Martin Logan MLT-2 LCR & Surrounds.
Living Room Audio: One Behringer NX6000D flexing four PA460-8's in a contemporary VBSS credenza build, 100 Watt 5.1 Sony AVR zapping Three horizontal Elusive 1099s LCRs and Two Martin Logan MLT-2 Surrounds. Two BST-1 Bass Shakers charged by the MLT-2 Sub Amp.

Last edited by kagtha; 05-22-2019 at 05:05 AM.
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post #32 of 44 Old 05-28-2019, 05:55 AM - Thread Starter
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What do you guys think about adding a few vertical artificial 1/8 gaps on the sides as seen in the first attached photo? ( So it looks like the front could actually open )


Quick update:
-All artificial 1/8 gaps on front are routed and colored in with a black fine point "Inkzall"
-All four cabinets are bolted together with three 3/8 bolts, washers, and locknuts.
-Middle top frame for four tiles was man handled because of slight warping so I will need to re-laminate the sides and top.

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Bedroom Audio: Two Shallow Under Bed PA310-8 12's energized by an SPA250DSP Plate Amp. Two BST-1s. 75 Watt 7.1 Onkyo AVR with Five Martin Logan MLT-2 LCR & Surrounds.
Living Room Audio: One Behringer NX6000D flexing four PA460-8's in a contemporary VBSS credenza build, 100 Watt 5.1 Sony AVR zapping Three horizontal Elusive 1099s LCRs and Two Martin Logan MLT-2 Surrounds. Two BST-1 Bass Shakers charged by the MLT-2 Sub Amp.

Last edited by kagtha; 05-28-2019 at 06:00 AM.
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post #33 of 44 Old 05-28-2019, 07:26 AM
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Looking good! Those gaps came out nicely, I vote for adding them to the sides for a more realistic look.
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post #34 of 44 Old 05-28-2019, 09:35 AM - Thread Starter
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Quote:
Originally Posted by smcmillan2 View Post
Looking good! Those gaps came out nicely, I vote for adding them to the sides for a more realistic look.
Sounds like a plan! ... but what about the insides?

Is there a tool I can use that doesn't cost a fortune. ( I don't want to spend $100+ on something I only use once.)

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Bedroom Audio: Two Shallow Under Bed PA310-8 12's energized by an SPA250DSP Plate Amp. Two BST-1s. 75 Watt 7.1 Onkyo AVR with Five Martin Logan MLT-2 LCR & Surrounds.
Living Room Audio: One Behringer NX6000D flexing four PA460-8's in a contemporary VBSS credenza build, 100 Watt 5.1 Sony AVR zapping Three horizontal Elusive 1099s LCRs and Two Martin Logan MLT-2 Surrounds. Two BST-1 Bass Shakers charged by the MLT-2 Sub Amp.
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post #35 of 44 Old 05-28-2019, 11:04 AM
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Quote:
Originally Posted by kagtha View Post
Sounds like a plan! ... but what about the insides?

Yeah, that's a problem. No tools I can think of that would help you there.
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post #36 of 44 Old 05-28-2019, 12:19 PM - Thread Starter
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Originally Posted by smcmillan2 View Post
Yeah, that's a problem. No tools I can think of that would help you there.
Oh well, I don't think many people would even notice. Perhaps the towers are extra internal storage?! Who knows.!?

Anyway, Since they are already bolted together and I happen to have 4+ people @ my disposal to move the entire unit, is it ok to route the side 1/8 gaps the way it is sitting on its side? (Sit router on its side using the router's weight to slide along on the straight edge)

Also, thank you & everyone else who has helped me out SOOOO MUCH from the fluted router bit suggestion to the VBSS design! In person it really is looking like a piece of factory furniture, I cannot believe it!!!
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Bedroom Audio: Two Shallow Under Bed PA310-8 12's energized by an SPA250DSP Plate Amp. Two BST-1s. 75 Watt 7.1 Onkyo AVR with Five Martin Logan MLT-2 LCR & Surrounds.
Living Room Audio: One Behringer NX6000D flexing four PA460-8's in a contemporary VBSS credenza build, 100 Watt 5.1 Sony AVR zapping Three horizontal Elusive 1099s LCRs and Two Martin Logan MLT-2 Surrounds. Two BST-1 Bass Shakers charged by the MLT-2 Sub Amp.
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post #37 of 44 Old 06-04-2019, 12:36 PM - Thread Starter
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OMG. Near-field is definitely a whole new experience. I have only listened to it for a few hours but am pretty sure I won't be building the Marty now. This thing is straight ridiculous. Thank you @mtg90 !! And everyone else who helped.
@mtg90 I wired these on one channel parallel/series configuration. The only thing I changed on your file was stopping output to channel B. Is this right for the NX6000D. (20hz tune) I am not complaining.

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Bedroom Audio: Two Shallow Under Bed PA310-8 12's energized by an SPA250DSP Plate Amp. Two BST-1s. 75 Watt 7.1 Onkyo AVR with Five Martin Logan MLT-2 LCR & Surrounds.
Living Room Audio: One Behringer NX6000D flexing four PA460-8's in a contemporary VBSS credenza build, 100 Watt 5.1 Sony AVR zapping Three horizontal Elusive 1099s LCRs and Two Martin Logan MLT-2 Surrounds. Two BST-1 Bass Shakers charged by the MLT-2 Sub Amp.

Last edited by kagtha; 06-04-2019 at 12:55 PM.
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post #38 of 44 Old 06-04-2019, 12:53 PM
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Wow. That looks fantastic! Nice work. Hope it sounds as good as it looks.
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post #39 of 44 Old 06-04-2019, 01:08 PM
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Nice job Kagtha! Looks great, sounds like it's operating just as well!
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post #40 of 44 Old 06-04-2019, 04:38 PM
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Quote:
Originally Posted by smcmillan2 View Post
Nice job Kagtha! Looks great, sounds like it's operating just as well!
Fantastic work - looks amazing!
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post #41 of 44 Old 06-05-2019, 01:18 AM
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Officially very jealous - Wish I had the room to do the same.

Out of interest will you be measuring the response? I would love to see the graph on how well 4 of these do ULF in your surroundings
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post #42 of 44 Old 06-05-2019, 11:33 AM - Thread Starter
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Officially very jealous - Wish I had the room to do the same.



Out of interest will you be measuring the response? I would love to see the graph on how well 4 of these do ULF in your surroundings
There is almost a complete lack of a "pressurization" feel like I get in my bedroom (2 ported 12's) or the teenager's SUV (two ported 12s, open cabin area). But the VBSSs flex the floor vibrating my feet, all the way up to my chest depending on the note.

Without the pressure it almost feels and sounds tighter if that makes any sense. But since they are near-field they are "shocking" and over power the front 1099s significantly so anything over LFE is somewhat distracting. Almost so much so that the 1099s sound Tweety so I am exploring possible ways to fill in some LCR midbass. (1099s are not sitting on the floor)

It is almost unexplainable when the VBSS hits a low note. It feels like the sofa gets wavy under my booty. (Everything jiggles between my calf's and my shoulders in a heavy type of wave.)

Even without the pressure I am in total awe of the clean almost effortless power the VBSSs transmit to my body! I am not a huge fan of novelty Bass ( Extreme out of place bass) so YES, I am now exploring the new rabbit hole called REW. I will report back here once I have some baseline measurements for you.

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Bedroom Audio: Two Shallow Under Bed PA310-8 12's energized by an SPA250DSP Plate Amp. Two BST-1s. 75 Watt 7.1 Onkyo AVR with Five Martin Logan MLT-2 LCR & Surrounds.
Living Room Audio: One Behringer NX6000D flexing four PA460-8's in a contemporary VBSS credenza build, 100 Watt 5.1 Sony AVR zapping Three horizontal Elusive 1099s LCRs and Two Martin Logan MLT-2 Surrounds. Two BST-1 Bass Shakers charged by the MLT-2 Sub Amp.
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post #43 of 44 Old 06-05-2019, 07:19 PM
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Excellent job! Regarding your integration with the 1099's, don't forget that you will have to delay the subwoofers relative to the main speakers. You will likely have to set the phase in the software to 180 degrees.
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Ask your doctor if DIY is right for you. Side effects of DIY may include anxiety, elevated blood pressure, lightheadedness, rapid heartbeat, skeletal muscle flaccidity, euphoria, psychological dependence, insomnia, confusion, blurred vision, implusivity, uncontrolled or repeated movements.
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post #44 of 44 Old 06-06-2019, 03:23 AM - Thread Starter
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Thanks Michael! It took longer than I expected but once I stopped hurrying for the final result I started to enjoy the process.
I am currently attempting to learn REW so hopefully, I will know what to look for in regards to phase & delay. Otherwise, I will go by ear.

I AM SUPER HAPPY, but already thinking about the Marty build since it seems to drop off fast under a specific frequency. I am not sure if it's my room or the nature of the drivers even with the tune.



<-----note for Behringer 6000 Amplifier Owners wishing to use 4 VBSSs in Series/Parallel ----- (This same note is in MTG90's accompanying tune text file, I just did not put 2 & 2 together) ------>

4 PA460-8 drivers ran in "Dual" mode vs "Bi-Amp" on channel A of the NX6000D (or inuke 6000 ), mtg90 suggests doubling the limiter (from 71.5Vp to 143 Vp) since we are not pushing them as hard in an 8 ohm series parallel configuration.

"You should gain about 6dB adjusting the limiter which would be roughly equal to doubling both subwoofers and amplifier power.

If you add an additional 4 drivers down the road and notice some harsh noise when they are pushed you might be clipping the amp (due to increased load) in which case back the limiter off by 1 or 2 db. The 6000 only puts out about 1200-1500w into 4 ohms and maybe 800-1000w per channel into 8 ohms so the PA460 drivers themselves should be safe from being given too much power."

Bedroom Audio: Two Shallow Under Bed PA310-8 12's energized by an SPA250DSP Plate Amp. Two BST-1s. 75 Watt 7.1 Onkyo AVR with Five Martin Logan MLT-2 LCR & Surrounds.
Living Room Audio: One Behringer NX6000D flexing four PA460-8's in a contemporary VBSS credenza build, 100 Watt 5.1 Sony AVR zapping Three horizontal Elusive 1099s LCRs and Two Martin Logan MLT-2 Surrounds. Two BST-1 Bass Shakers charged by the MLT-2 Sub Amp.

Last edited by kagtha; 06-11-2019 at 09:15 PM. Reason: correction
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