Dreadnaught Avel-Lindberg 1000VA Transformer Group Buy?
Comments
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It'll be a few weeks for me as all the parts to finish the Dreadnought and CRS+ mods are yet to arrive."Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer
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As I mentioned mine got completed yesterday. The first song I played was a mild disappointment. 2nd song got better and it seems with each passing hour now there's been noticeable improvements. I don't know why but the bass seems more pronounced now and I haven't had the want or need to use my 18" sub. Mids are also cleaner as I've been able to pick out a few phrases on recordings that I couldn't make out before. And yes the soundstage seems to have gotten a bit wider also. I can actually tell the difference in the sound as soon as I walk in the door even though I'm behind the rig. And this is the difference from the A1 interconnect that I'd had. The A1 was a noticeable improvement over the straight wire. One other area I noticed a change for the better is that the speakers seem to be a bit more sensitive also. I had been looking for another Mcintosh mc2500 for a bit more wpc but that idea is on hold now as of yesterday. I feel quite certain that this one of the better upgrades that I've made on those tl's in the few years that I've owned them.So how many people actually have wired it up and tested already? Curious if anyone else has gotten as far as motorstereo and is able to tell if they notice a difference over the straight cable?
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Anyone here moving up from the 800VA?Good music, a good source, and good power can make SDA's sing. Tubes make them dance.
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Motostereo, I experienced each of those things when I built my first Dreadnought with an 800VA A-L. It sounded like I had a more powerful amp, the midrange was cleaner, the bass was more tactile and a little cleaner, voices sounded more pure, more natural, better transients (the pluck of a guitar string, a stick hitting a drum or cymbal). And all of that improved yet again when I built my 1000VA Dreadnought."Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer
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Anyone here moving up from the 800VA?
When I get my new transformer installed, it will replace a 670VA Toroid of Maryland transformer. This is not the same as an upgrade fro the A-L 800VA transformer, but I'm expecting good things!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. -
I'll be moving up from the 800 when the damn thing gets here!DynaudIo Evoke 30, VPI Prime, Soundsmith Zephyr MKIII, PS audio Stellar phono pre, McCormack DNA 0.5 Gold, ARC LS-17se, Eversolo dmp A8, MIT AVT MA ic’s and speaker cables, ps audio stellar power plant 3
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It's nice to know that I am not alone in hearing all these improvements. I've been playing the rig for a few hours each day as it was obvious to me that there's a break in period going on here. The changes in the sound have slowed down a bit now and I'm wondering now how long this break in period will take?drumminman wrote: »Motostereo, I experienced each of those things when I built my first Dreadnought with an 800VA A-L. It sounded like I had a more powerful amp, the midrange was cleaner, the bass was more tactile and a little cleaner, voices sounded more pure, more natural, better transients (the pluck of a guitar string, a stick hitting a drum or cymbal). And all of that improved yet again when I built my 1000VA Dreadnought.
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Re: burn in, not exactly sure. Seems like around ~200 hours, give or take. IIRC most of the changes occur around 150 hours, but mine improved in more subtle ways up to around 200. There is alot of copper in that tranny."Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer
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Hmmm; 200 hours of burn in; I've got quite a ways to go. Right now they're the best I've ever heard them sound and it's nice to know there's even better sound on the horizon.
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motorstereo wrote: »Hmmm; 200 hours of burn in; I've got quite a ways to go. Right now they're the best I've ever heard them sound and it's nice to know there's even better sound on the horizon.
My recollection is that at around 200 hours with the A-V 1000VA transformer in my system with the SRS1.2s I experienced a very noticeable and fairly sudden "opening up" of the sound. and, there were appreciable improvements along the way.
I get impatient; so, when my wife and I go out, I leave the rig playing from my iPod on shuffle during burn in periods. [As an aside, it seems that inevitably when we return, the track being played is one that I had sort of forgotten -- a pleasant surprise in most cases.]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. -
I left mine playing while I went away on vacation. Burn in was real easy!Good music, a good source, and good power can make SDA's sing. Tubes make them dance.
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That's the way to do it! Take a vacation and also get a component burned it.
A real "twofer.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. -
I don't know why but the bass seems more pronounced now and I haven't had the want or need to use my 18" sub. Mids are also cleaner as I've been able to pick out a few phrases on recordings that I couldn't make out before. And yes the soundstage seems to have gotten a bit wider also. I can actually tell the difference in the sound as soon as I walk in the door even though I'm behind the rig. And this is the difference from the A1 interconnect that I'd had. The A1 was a noticeable improvement over the straight wire. One other area I noticed a change for the better is that the speakers seem to be a bit more sensitive also.
You nailed it.Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk -
Has anyone built and burned in a Dreadnought and then gone back and lined the case with copper foil for EMI rejection? Curious about how much of an audible effect/improvement the foil provides."Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer
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I've lined both of my Dreadnoughts with Dynamat, but not copper foil.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. -
Mine arrived last Friday. Thank you!
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It's hereDynaudIo Evoke 30, VPI Prime, Soundsmith Zephyr MKIII, PS audio Stellar phono pre, McCormack DNA 0.5 Gold, ARC LS-17se, Eversolo dmp A8, MIT AVT MA ic’s and speaker cables, ps audio stellar power plant 3
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Moose68Bash wrote: »I've lined both of my Dreadnoughts with Dynamat, but not copper foil.
I did the same, but some are going for EMI shielding too. Wonder if it makes an improvement.
"Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer -
Aluminum is good for RF shielding. That much copper could certainly act as an antenna. Copper is good for Electro-Mechanical Interference, caused by adjacent AC lines, poorly shielded transformers, certain types of consumer electronics, even florescent lighting. I certainly doesn't hurt to install it. Just be sure there's a barrier between the Aluminum, if unpainted, and the Copper Foil.Home Theater/2 Channel:
Front: SDA-2ATL forum.polkaudio.com/discussion/143984/my-2as-finally-finished-almost/p1
Center: Custom Built forum.polkaudio.com/discussion/150760/my-center-channel-project/p1
Surrounds & Rears: Custom Built forum.polkaudio.com/discussion/151647/my-surround-project/p1
Sonicaps, Mills, RDO-194s-198s, Dynamat, Hurricane Nuts, Blackhole5
Pioneer Elite VSX-72TXV, Carver PM-600, SVS PB2-Plus Subwoofer
dhsspeakerservice.com/ -
Postman rings the bell. "Just checking if you are home, that package is heavy". Also has my new vinyl (Ty Segall--Manipulator--very electric--could be my #1 of the year). Anyway, sounding great out of the box. Tight bass, good imaging, wide soundstage. We'll see what happens after burn inDynaudIo Evoke 30, VPI Prime, Soundsmith Zephyr MKIII, PS audio Stellar phono pre, McCormack DNA 0.5 Gold, ARC LS-17se, Eversolo dmp A8, MIT AVT MA ic’s and speaker cables, ps audio stellar power plant 3
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Mine came today. Felt sorry for the little old mail lady."Make a man a fire and he'll be warm for a day. Light
a man on fire and he'll be warm for the rest of his life." -
Picked mine up today from the post office, girl said must be a car part, it's heavy....Pio Elete Pro 520
Panamax 5400-EX
Sunfire TGP 5
Micro Seiki DD-40 - Lyra-Dorian and Denon DL-160
PS Audio GCPH phono pre
Sunfire CG 200 X 5
Sunfire CG Sig 405 X 5
OPPO BDP-83 SE
SDA SRS 1.2TL Sonicaps and Mills
Ctr CS1000p
Sur - FX1000 x 4
SUB - SVS PB2-Plus
Workkout room:
Sony Bravia XBR- 32-Inch 1080p
Onkyo TX-DS898
GFA 555
Yamaha DVD-S1800BL/SACD
Ft - SDA 1C
Not being used:
RTi 38's -4
RT55i's - 2
RT25i's -2, using other 2 in shop
LSI 15's
CSi40
PSW 404 -
How can something this small weigh so much?!!!
Pio Elete Pro 520
Panamax 5400-EX
Sunfire TGP 5
Micro Seiki DD-40 - Lyra-Dorian and Denon DL-160
PS Audio GCPH phono pre
Sunfire CG 200 X 5
Sunfire CG Sig 405 X 5
OPPO BDP-83 SE
SDA SRS 1.2TL Sonicaps and Mills
Ctr CS1000p
Sur - FX1000 x 4
SUB - SVS PB2-Plus
Workkout room:
Sony Bravia XBR- 32-Inch 1080p
Onkyo TX-DS898
GFA 555
Yamaha DVD-S1800BL/SACD
Ft - SDA 1C
Not being used:
RTi 38's -4
RT55i's - 2
RT25i's -2, using other 2 in shop
LSI 15's
CSi40
PSW 404 -
There's a reason the thing costs as much as it does, huh?Good music, a good source, and good power can make SDA's sing. Tubes make them dance.
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When burning in, does volume matter or is just providing a signal enough?DynaudIo Evoke 30, VPI Prime, Soundsmith Zephyr MKIII, PS audio Stellar phono pre, McCormack DNA 0.5 Gold, ARC LS-17se, Eversolo dmp A8, MIT AVT MA ic’s and speaker cables, ps audio stellar power plant 3
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I was wondering the same thing. Just to be safe I have mine burning in at above average listening levels. Thankfully I have my speakers in a building separate from the house so this isn't a problem.When burning in, does volume matter or is just providing a signal enough?
I'm also still in awe at the sonic upgrade this thing has given me and I've still got a long ways to go on the burn in process.
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Good music, a good source, and good power can make SDA's sing. Tubes make them dance.
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Guys, I have a question to which, unfortunately, I think I know the answer, but I'll ask fro input from those who undoubtedly know:
Shouldn't there be continuity through both the primary and secondary sides of the transformer when it is properly connected?
I installed my A-V 100VA transformer today; reassembled Larry's enclosure, and decided to test for continuity before I reinstalled the Dreadnought in my system. I got continuity on the secondary side, but not on the primary side.
Yes, I should have checked before I reassembled the enclosure, but I was impatient.
Before I take the enclosure apart to check without using the binding posts, I want to make sure I understand what these readings should be.
Thanks.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. -
Yes, there should be continuity on the primary and secondary side, but not between primary and secondary.Proud and loyal citizen of the Digital Domain and Solid State Country!
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Thank you, Ray.
I was pretty sure that was correct, but I wanted to be certain before disassembling the enclosure again.
Now, I guess I better hope that its a problem with one of my solder connections and not a problem with the primary side of the transformer.![:\](https://forum.polkaudio.com/resources/emoji/confused.png ":\")
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.
