Group Buy '16: Dreadnought Avel Lindberg 1000VA Isolation Transformers

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  • Malbec
    Malbec Posts: 558
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    I believe those disconnects are too small if you are going with the chassis connectors jay linked in his post (NL4MP-UC). They are .250" 1/4" tab.
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  • Unknown
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  • F1nut
    F1nut Posts: 52,406
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    Too small Brock.
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  • ken brydson
    ken brydson Posts: 9,102
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    F1nut wrote: »
    Too small Brock.

    That's what she said.. o:)
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  • machone
    machone Posts: 1,588
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    Madisound has gold plated fastons in several sizes including 1/4".
    Mojo Audio Illuminati v3>>Quantum Byte w/LMS>>Rpi/PiCoreplayer>> Starlight 7 USB >> Mojo Audio Mystique v2 SE>>ModWright SWL 9.0 SE Signature>>Hafler DH-500 Amp+ (Musical Concepts Fully Modded)>>
    SRS 2.3TL (Fully Modded)...Velodyne Optimum 8 subwoofer
    1KVA Dreadnought

    Marantz SA 8005
    Pioneer PLX-1000 Turntable - Shure SC35C/N35X - V15III/VN35HE
    Yamaha TX-540 Tuner...Sony BDP-S570
    Sony PS4

    Separate subpanel with four dedicated 20 amp circuits.
    1. Amplification 2. Analog 3. Digital 4. Video

    "All THAT IS LOST FROM THE SOURCE IS LOST FOREVER"
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  • heiney9
    heiney9 Posts: 25,704
    edited January 2017
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    I was trying to link to Parts Express since they have everything in one vendor regarding the Neutrik stuff. The idea is to minimize shipping costs from multiple vendors.

    Too small Brock.

    The Gold fasten ons I linked to will fit these. Unless I'm reading it wrong?

    http://www.performanceaudio.com/item/neutrik-nl4mp-4-pole-speakon-panel-mount-connector/2798/

    4 pole chassis connector, black D-size flange, countersunk thru holes, 3/16" flat tabs

    Regardless they make other sizes depending on what you go with.
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | Galion TS P75 Pre | Holo Audio Cyan 2 Dac | MIT Shotgun S1 | Puritan Audio PSM136 Pwr Condtioner & Classic PC's | Legend L600 | Roon Nucleus 1 w/LPS - Tubes add soul!
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  • F1nut
    F1nut Posts: 52,406
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    That's not the NLT4FX-BAG, which takes .250 fastons.
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  • edpot1
    edpot1 Posts: 4
    edited January 2017
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    How does this look for a parts list? I'm leaving out the cables

    Neutrik Connectors on Case
    2x Neutrik Spekon Female Connector (Neutrik NL4MP-UC)
    2x Neutrik D-Size Sealing Gaskets (Neutrik SCDP-0)
    4x 1/4" 12-10 AWG Female Disconnect (NTE 76-FIFD12-250)
    4x M3-0.5 x 16mm Stainless Steel Machine Screw (Fastenal #XM2510016A20000)
    4x M3 DIN A4 Stainless Steel Split Lock Washer (Fastenal #ML6330000A40000)
    4x M3-0.5 Stainless Steel A4 Hex Nut (Fastenal #MN2510000A40000)

    Mounting Transformer to Case
    1x 5/16"-18 x 3-1/2" Stainless Steel Tap Bolt (Fastenal #71185)
    2x 5/16" x 1.250" Stainless Steel Fender Washer (Fastenal #0172789)
    1x 5/16" Stainless Steel Medium Split Lock Washer (Fastenal #71065)
    1x 5/16"-18 Stainless Steel Hex Nuts (Fastenal #70711)

    Thanks heiney9 for asking the tough questions
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  • agfrost
    agfrost Posts: 2,497
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    I see you're only considering the case at this time, but remember you're installing Speakons *four* times (assuming you're doing so on the speakers as well).

    So Neutrik parts, including hardware would be doubled if you plan to use Neutrik NL4MP-UC also on the speakers.
    Jay
    SDA 2BTL * McCormack DNA 0.5 amp * Oppo BDP-93 * Modded Adcom GDA-600 DAC * Rythmik F8 (x2)
    Micro Seiki DQ-50 * Mitsubishi LT-30 * Hagerman Cornet 2 Phono
    Preamp rotation: Krell KSL (SCompRacer recapped) * Manley Shrimp * PS Audio 5.0
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  • heiney9
    heiney9 Posts: 25,704
    edited January 2017
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    Much appreciated edpot1. $3.41 in fasteners plus $9.61 in shipping seems kind of silly. I will probably go to my local hardware store to get the fasteners. Thanks for including the dimensions and not just the Fastenal part number.

    Thanks again Jay for sharing.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | Galion TS P75 Pre | Holo Audio Cyan 2 Dac | MIT Shotgun S1 | Puritan Audio PSM136 Pwr Condtioner & Classic PC's | Legend L600 | Roon Nucleus 1 w/LPS - Tubes add soul!
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  • F1nut
    F1nut Posts: 52,406
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    I will probably go to my local hardware store to get the fasteners.

    Good luck with that.
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  • heiney9
    heiney9 Posts: 25,704
    edited January 2017
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    They are just down the street and have a separate wing dedicated to fasteners. I have zero doubt I can find what I need now that I have an idea of what I'm working with.

    Why so combative and negative in this thread?

    H9

    P.s. Also there is a Fastenal branch minutes from work, but they don't stock all the stuff listed.
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | Galion TS P75 Pre | Holo Audio Cyan 2 Dac | MIT Shotgun S1 | Puritan Audio PSM136 Pwr Condtioner & Classic PC's | Legend L600 | Roon Nucleus 1 w/LPS - Tubes add soul!
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  • F1nut
    F1nut Posts: 52,406
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    I don't know Brock, for a measly $9.61 you get exactly what you need delivered to your door instead of wasting time at the store. Home Depot, Lowe's and Ace all have specialty hardware sections, but will not have all the stainless steel hardware required and what they might have will cost a lot more.
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  • Moose68Bash
    Moose68Bash Posts: 3,843
    edited January 2017
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    My experience has been very much like @F1nut 's.

    I have two very good hardware/lumber yards near me -- one is Ace Hardware, the other True Value. They have very good fastener sections, and one of them has even cut down cap screws for me when they do not have the exact length that I need.

    However, I've now begun to order what I need online for specialty products. I get exactly what I want, usually with free shipping, and the price is usually less or equal to those of the hardware stores -- without the cost in driving time and expense.

    Lowe's and Home Depot never have everything that I need, except for the most quotidian items.
    Family Room, Innuos Statement streamer (Roon Core) with Morrow Audio USB cable to McIntosh MC 2700 pre with DC2 Digital Audio Module; AQ Sky XLRs to CAT 600.2 dualmono amp, Morrow Elite Speaker Cables to NOLA Baby Grand Reference Gold 3 speakers. Power source for all components: Silver Circle Audio Pure Power One with dedicated 20 amp circuit to main panel.

    Exercise Room, Innuos Streamer via Cat 6 cable connection to PS Audio PerfectWave MkII DAC w/Bridge II, AQ King Cobra RCAs to Perreaux PMF3150 amp (fully restored and upgraded by Jeffrey Jackson, Precision Audio Labs), Supra Rondo 4x2.5 Speaker Cables to SDA 1Cs (Vr3 Mods Xovers and other mods.), Dreadnaught with Supra Rondo 4x2.5 interconnect cables by Vr3 Mods. Power for each component from dedicated 20 amp circuit to main panel, except Innuos Statement powered from Silver Circle Audio Pure Power One.

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  • heiney9
    heiney9 Posts: 25,704
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    F1nut wrote: »
    I don't know Brock, for a measly $9.61 you get exactly what you need delivered to your door instead of wasting time at the store. Home Depot, Lowe's and Ace all have specialty hardware sections, but will not have all the stainless steel hardware required and what they might have will cost a lot more.

    Yeah, $10 isn't much, but I think for $2.50 worth of goods that weighs less than a pound. $10 is a bit much. I realize it's not all retailers fault. FedEx and UPS are costly shippers.

    FTR, our local hardware store has been in business for over 90 years and is locally owned not a national chain, and I happen to live in what was the screw and fastener capital of the US at one time not that long ago. Lots of surplus availability locally for a long time.

    I'll try them first.

    H9

    P.s. that's $10 less I can spend on tubes! :D



    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | Galion TS P75 Pre | Holo Audio Cyan 2 Dac | MIT Shotgun S1 | Puritan Audio PSM136 Pwr Condtioner & Classic PC's | Legend L600 | Roon Nucleus 1 w/LPS - Tubes add soul!
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  • gmcman
    gmcman Posts: 1,873
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    https://youtu.be/HgRE6BPhN2I
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  • edpot1
    edpot1 Posts: 4
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    heiney9 wrote: »
    Much appreciated edpot1. $3.41 in fasteners plus $9.61 in shipping seems kind of silly. I will probably go to my local hardware store to get the fasteners. Thanks for including the dimensions and not just the Fastenal part number.

    Thanks again Jay for sharing.

    H9

    I did go to Home Depot yesterday and wasn't able to find similar parts. Once I have the case and the transformer, I *might* be able to find parts there that would work - the sizes obviously don't have to be exactly what I posted. But given what I know right now about the dimensions, I'll probably go with Fastenal.
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  • F1nut
    F1nut Posts: 52,406
    edited January 2017
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    To mount the sockets properly those are the correct sizes, it's what Neutrik calls for. I've seen others use improper sizes, which looks like dog poo to me. YMMV.
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  • txcoastal1
    txcoastal1 Posts: 13,520
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    McMaster Carr
    https://www.mcmaster.com/

    2-channel: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures
    Desktop rig: LSi7, Polk 110sub, Dayens Ampino amp, W4S DAC/pre, Sonos, JRiver
    Gear on standby: Melody 101 tube pre, Unison Research Simply Italy Integrated
    Gone to new homes: (Matt Polk's)Threshold Stasis SA12e monoblocks, Pass XA30.5 amp, Usher MD2 speakers, Dynaudio C4 platinum speakers, Modwright LS100 (voltz), Simaudio 780D DAC

    erat interfectorem cesar et **** dictatorem dicere a
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  • heiney9
    heiney9 Posts: 25,704
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    They were special order only and you missed the group buy. Perhaps someone may have one to sell. If you got to page 1 you will see several links that explains the use and build of one of these. Get your learn on.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | Galion TS P75 Pre | Holo Audio Cyan 2 Dac | MIT Shotgun S1 | Puritan Audio PSM136 Pwr Condtioner & Classic PC's | Legend L600 | Roon Nucleus 1 w/LPS - Tubes add soul!
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  • heiney9
    heiney9 Posts: 25,704
    edited February 2017
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    I just broke down and bought the fasteners from Fastenal and paid the $10 shipping for $3 worth of stuff. After thinking it through it made sense. I know I could have sourced stuff locally, but my time is worth something and frankly I just want to be done with it and off my mind.

    I also decided to get all the Neutrik parts from Parts Express. Along with the other misc parts including red techflex and gold female disconnects. I was thinking I have Canare 4S11 at home currently for my SDA cable, but it turns out it's 4S8, a tad smaller gauge but it should suffice.

    I was going to get a 12' piece of 4S11 at Performance Audio and the Neutrik parts, but I'm betting the difference between 11g or 13g wire diameter over a 5 foot run on each side for the SDA signal will be negligible.

    I also included one of these if I have issues w/ the tranny or want to run w/o it. Or simply to make a comparison before and after.

    http://www.parts-express.com/neutrik-nl4mmx-speakon-cable-to-cable-adapter-4-pole--092-196

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | Galion TS P75 Pre | Holo Audio Cyan 2 Dac | MIT Shotgun S1 | Puritan Audio PSM136 Pwr Condtioner & Classic PC's | Legend L600 | Roon Nucleus 1 w/LPS - Tubes add soul!
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  • agfrost
    agfrost Posts: 2,497
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    Hey that coupler is nice! Cool find.
    Jay
    SDA 2BTL * McCormack DNA 0.5 amp * Oppo BDP-93 * Modded Adcom GDA-600 DAC * Rythmik F8 (x2)
    Micro Seiki DQ-50 * Mitsubishi LT-30 * Hagerman Cornet 2 Phono
    Preamp rotation: Krell KSL (SCompRacer recapped) * Manley Shrimp * PS Audio 5.0
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  • 250GTLusso
    250GTLusso Posts: 163
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    Wait, what?! Do you still have the 2 I ordered? Did I miss something?
    HT
    Adcom GFP-565 Pre-amp, Adcom GFA-565 Mono Block Amps (Front), Adcom GFA-585 Amp (Side), Adcom GFA-555 Amp (Rear), Adcom ACE-515, Pioneer CLD-3070 Laserdisc, Sony CDP-605esD, Sony BluRay BDP BX59, Samsung 50" Plasma, Polk Audio SDA SRS 1.2TL Front (Walnut), Polk Audio SDA SRS Side (Walnut), Polk Audio SDA SRS Rear (Walnut).
    2 Channel (Living Room)
    Adcom GFP-565 Pre-amp (w/Big Sky Audio Upgrades), Adcom GFA-565 Mono Block Amps (w/Big Sky Audio Upgrades), Adcom ACE-515, Sony CDP-705esD, Magnum Dynalab FT-101A Etude, Polk Audio SDA SRS 2.3TL (Walnut), Polk Audio SDA SRS 2 (Walnut), STAX SR34 Electret Earspeaker System.
    2 Channel (Office)
    Adcom GFP-555 Pre-amp, Adcom GFA-555 Amp, Sony CDP-605esD, Adcom GFT-555 Tuner, Polk Audio SDA 1C (Walnut).
    2 Channel (Garage)
    Hafler DH-110 Pre-amp, Hafler DH-220 Amp, Sony CDP-505esD, Hafler DH-330 Tuner, Polk Audio SDA 2B (Walnut).
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  • [Deleted User]
    [Deleted User] Posts: 0
    edited February 2017
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    So Larry gave me a couple different face plates to mess around with after work. So I thought why not put both connections on one side? I took a blank one and machined a counter bore for each and the appropriate hole locations.
    t2if7mrg28xs.jpg
    koqp0grd8jmh.jpg
    7lfywnekaiys.jpg
    Now I have a blank front facing plate that I'll eventually laser etch the Polk Audio logo on.
    x35ttqoscyab.jpg
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  • nspindel
    nspindel Posts: 5,343
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    I still say we should come up with a Dreadnought logo.
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.
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  • nspindel
    nspindel Posts: 5,343
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    That's fine. You don't need to do a run of the boxes. Just make the faceplates. Didn't you used to have something like that? Didn't the crossover mounting plates you used to do have laser etching?
    Good music, a good source, and good power can make SDA's sing. Tubes make them dance.
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  • vcwatkins
    vcwatkins Posts: 1,992
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    I had a question on Dreadnought wiring, so I'm pasting stuff from previous build posts here:

    Binding post connections from DarqueKnight's original 2008 Dreadnought thread. Note this is using the 800VA, but the 1000VA is the same scheme.
    DarqueKnight wrote: »
    Right Pin = Red/Yellow

    Right Blade (Negative Speaker Terminal) = Black/Orange

    Left Pin = Grey/Brown

    Left Blade (Negative Speaker Terminal) = Blue/Violet
    DN-inside-side-r.jpg
    DN-rear001-r.jpg

    Neutrik connections from F1nut's Neutrik Dreadnought. I believe this arrangement is consistent with Larry's latest batch of cases. For same-side Neutriks with 90deg connectors, see ER308L's post directly above.
    F1nut wrote: »
    Is there a chart here or one that you can post that tells me which wires I should soldered to each numbered tab?
    Red/Yellow (right pin) to 1+
    Black/Orange (right blade) to 1-
    Grey/Brown (left pin) to 1+
    Blue/Violet (left blade) to 1-
    DSC01998.jpg

    DarqueKnight's Dynamatted base
    DNVer2No2IntAssy-s.jpg
    F1nut's Dynamtted top
    DSC01997.jpg

    Other quicklinks:
    agfrost's use of slightly different Neutrik's, Fastons, bolt info (use SS or nylon)
    Parts discussion on page 10 above.
    Larry's Dreadnought cases here. Only 5 left!
    F1nut's outriggers and spikes
    agfrost's cabling (you may want to order an extra pair of male connectors)
    Beach Audio: Rega RP6 (mods) - AT33PTG/II - Parks Budgie SUT - PSAudio NPC * Eversolo DMP-A6 * Topping D90iii * Joule-Electra LA-100 mkIII * Pass Aleph 30 * MIT S3 * Polk SRS 2.3tl (mods) * PSAudio PPP3
    Beach Study: Pro-Ject Stream Box S2 Ultra & Pre Box S2 * Pass ACA * DH Labs SS Q10 * Brines Folded ML-TQWT RS 40-1354 * PSA Dectet
    Beach Master: WiiM Pro * Dayens Menuetto * Zu Libtec * Dynaudio Audience 50
    Beach Den: Bluesound Powernode 2i * DH Labs SS Q10 * Zu Omen DWII * Richard Gray RGPC
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    Town Porch: WiiM Pro Plus * Sunfire Sig II * Canare 4S11 * Magnepan 1.6 * Dectet
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  • F1nut
    F1nut Posts: 52,406
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    ER308L wrote: »
    So Larry gave me a couple different face plates to mess around with after work. So I thought why not put both connections on one side? I took a blank one and machined a counter bore for each and the appropriate hole locations.

    Now I have a blank front facing plate that I'll eventually laser etch the Polk Audio logo on.

    Just wanted to point out that the transformer sounds better in the vertical position, hence the reason you see pretty much everyone else's that way.



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  • [Deleted User]
    [Deleted User] Posts: 0
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    I have alot of different options that I want to try out before I make my spikes and the rest of that apperatus. Does anyone know why it makes a difference having it vertical?
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