Polk Audio SDA SRS Modification Thread Part 2 - The "Ultimate Build"
VR3
Posts: 24,270
So I have the rare opportunity for someone to bring me the speakers in person! They are making the trek from Virginia -
Will start the thread and update it upon completion -
Specs of the build -
Tweeter Network -
Clarity Cap MR 400v
Clarity Cap ESA 250v
Duelund Resistors
Jantzen Inductors
Supra Rondo 13 awg Internal Wiring
Midbass/SDA Network -
Clarity Cap MR 400v
Clarity Cap ESA 250v
Jantzen Inductors
Jantzen C-Coil SDA Inductor for the lowest possible DCR
Other Features -
Updated shelf design - will be mounted inside the enclosure, front to back with a "flipped" front that opens up to a clear lexan window on a custom built faceplate that will be built for a beauty view of select parts, most likely a Duelund resistor and two MR caps and an engraved plate. Will be looking into a battery powered led with a switch to light this area up. Custom rounded handles, little wider than the stock flat handles for a more modern design.
Clear lexan substrate versus delrin, .25" thick - will be using tech flex/heat shrink for the internal wiring for the cleanest look
9 AWG SDA Cable, NL4 connection
Custom round aluminum termainl plate
WBT Binding Post
Hurricane Nuts for all screw locations
Dynamat driver baskets
No Rez or Sonic Barrier for the enclosure walls
"Custom Bass Brace" that is a "cage" design that attaches on four points on the back of the speaker with head duty rubber isolation mounts that will aid in an earthquake as well as accomplish the point of the original bass brace.
Attached is a concept of the original chassis design which has already changed.
Will start the thread and update it upon completion -
Specs of the build -
Tweeter Network -
Clarity Cap MR 400v
Clarity Cap ESA 250v
Duelund Resistors
Jantzen Inductors
Supra Rondo 13 awg Internal Wiring
Midbass/SDA Network -
Clarity Cap MR 400v
Clarity Cap ESA 250v
Jantzen Inductors
Jantzen C-Coil SDA Inductor for the lowest possible DCR
Other Features -
Updated shelf design - will be mounted inside the enclosure, front to back with a "flipped" front that opens up to a clear lexan window on a custom built faceplate that will be built for a beauty view of select parts, most likely a Duelund resistor and two MR caps and an engraved plate. Will be looking into a battery powered led with a switch to light this area up. Custom rounded handles, little wider than the stock flat handles for a more modern design.
Clear lexan substrate versus delrin, .25" thick - will be using tech flex/heat shrink for the internal wiring for the cleanest look
9 AWG SDA Cable, NL4 connection
Custom round aluminum termainl plate
WBT Binding Post
Hurricane Nuts for all screw locations
Dynamat driver baskets
No Rez or Sonic Barrier for the enclosure walls
"Custom Bass Brace" that is a "cage" design that attaches on four points on the back of the speaker with head duty rubber isolation mounts that will aid in an earthquake as well as accomplish the point of the original bass brace.
Attached is a concept of the original chassis design which has already changed.
- Not Tom
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
Post edited by VR3 on
Comments
This will be great to follow!
Please, post lots of pictures early and often.
Exercise Room, Wadia 171 iPod Dock, PS Audio PerfectWave Transport, Innuos Streamer with Cat 6 cable connection to PS Audio PerfectWave MkII DAC w/Bridge II, AQ Sky XLRs, Perreaux PMF3150 Amp, Dreadnought, Supra Rondo 4x2.5 Speaker Cables, SDA 1Cs (Vr3 Mods Xovers).
Synology 713+ NAS on Gigabit LAN serving PW MkII DAC & DirectStream DAC.
After extensive R&D on the new shelf platform I came up with a fully isolated design that will be a three piece build. I am excited, the fabricator is building them now. Very excited about this build.
I upped the aluminum to 1/8" thick, 6160, the front panel is 1/4" thick and the Lexan substrate is 1/4" thick. All aluminum hardware will be used on the shelf system as well.
Pictured below is the internal wiring and No Rez installed.
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
Onkyo PR-SC5508 Sharp LC-70LE847U
Emotiva XPA-5 Emotiva XPA-2 Emotiva UPA-2
Front RTi-A9 Wide RTi-A7 Center CSi-A6 Surround FXi-A6 Rear RTi-A3 Sub 2x PSW505
Sony BDP-S790 Dishnetwork Hopper/Joey Logitech Harmony One Apple TV
Two Channel
Oppo 105D BAT VK-500 w/BatPack SDA SRS 2.3 Dreadnought Squeezebox Touch Apple TV
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
You are quite the teeze!
Keep the pictures coming, please. This looks exciting!
Exercise Room, Wadia 171 iPod Dock, PS Audio PerfectWave Transport, Innuos Streamer with Cat 6 cable connection to PS Audio PerfectWave MkII DAC w/Bridge II, AQ Sky XLRs, Perreaux PMF3150 Amp, Dreadnought, Supra Rondo 4x2.5 Speaker Cables, SDA 1Cs (Vr3 Mods Xovers).
Synology 713+ NAS on Gigabit LAN serving PW MkII DAC & DirectStream DAC.
Lew.....
H/T- Toshiba au40" flat- Yamaha RX- V665 avr- YSD-11 Dock- I-Pod- Klipsch #400HD Speaker set-
Bdrm- Nikko 6065 receiver- JBL -G-200s--Pioneer 305 headphones--Sony CE375-5 disc
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
https://us.v-cdn.net/5021930/uploads/editor/wa/mrcx5esc9e0d.jpg
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
Onkyo PR-SC5508 Sharp LC-70LE847U
Emotiva XPA-5 Emotiva XPA-2 Emotiva UPA-2
Front RTi-A9 Wide RTi-A7 Center CSi-A6 Surround FXi-A6 Rear RTi-A3 Sub 2x PSW505
Sony BDP-S790 Dishnetwork Hopper/Joey Logitech Harmony One Apple TV
Two Channel
Oppo 105D BAT VK-500 w/BatPack SDA SRS 2.3 Dreadnought Squeezebox Touch Apple TV
Fronts: Energy RC70 --- Center: Energy RC-LCR
Front Heights: Polk RC65i --- Rears: Polk RC85i --- Sub: Power Sound Audio XS15
Pioneer VSX-1120K --- Parasound HCA-1000A --- Oppo BDP-103
Vincent Audio SA31 preamp --- Teac UD301 DAC
This will come together quickly, everything gets painted soon and everything will be pre-wired
before it goes on the chassis
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
Bedroom system: Carver CT-24, Parasound HCA-800II, Monitor 10's
Additional projects: RTA 12c's
Nice touch.
Cant wait to see what these look like with the faceplates black and the chassis white. We are also installing an adjustable battery powered blue led inside the cabinet to back light the part you can see!
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
It may be tedious work, but it looks like another fantastic product of Vr3Mods!
Looking good!
Exercise Room, Wadia 171 iPod Dock, PS Audio PerfectWave Transport, Innuos Streamer with Cat 6 cable connection to PS Audio PerfectWave MkII DAC w/Bridge II, AQ Sky XLRs, Perreaux PMF3150 Amp, Dreadnought, Supra Rondo 4x2.5 Speaker Cables, SDA 1Cs (Vr3 Mods Xovers).
Synology 713+ NAS on Gigabit LAN serving PW MkII DAC & DirectStream DAC.
I will get to start posting pictures of yours soon enough! Alot of the way yours rip be built will be taken from here!
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
Exercise Room, Wadia 171 iPod Dock, PS Audio PerfectWave Transport, Innuos Streamer with Cat 6 cable connection to PS Audio PerfectWave MkII DAC w/Bridge II, AQ Sky XLRs, Perreaux PMF3150 Amp, Dreadnought, Supra Rondo 4x2.5 Speaker Cables, SDA 1Cs (Vr3 Mods Xovers).
Synology 713+ NAS on Gigabit LAN serving PW MkII DAC & DirectStream DAC.
Starting to (slowly) see the finish line
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
Beautiful - I want!!!
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
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
My goal is to have minimum visibility of wire on all parts of the build even though the substrate is clear.
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
"No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro
Question, how do the transformers work in this build?