Polk Audio SDA SRS 1.2TL Crossover Modification Thread

VR3

This one should be a lot of fun!

1) The speakers will be recorded stock!
2) Parts list is as follows -

Tweeter Network -Clarity Cap MR
Clarity Cap ESA
Mundorf Mox Resistors
Jantzen Inductors

Midbass/SDA Network -Clarity Cap ESA
Jantzen Inductors

Gimpod boards too
NL2 Connections for the SDA, Supra Rondo wire, Upgraded binding post

200 Hours or so of burn in

3) Record them modified!

This will be a fun project for sure!

toucanet

I'm all eyes on this one.

Good luck!

VR3

Off to record these bad boys stock!

Still waiting on the inductors though to mod these!

DarqueKnight

Also make note of the changes in spatial properties between the stock and modified versions.

Reagan

...in the results of this mod! (Especially since I own the pair to be modded)

Reagan

PolkieMan

You are replacing all of the inductors too?

VR3 wrote: »

Off to record these bad boys stock!

Still waiting on the inductors though to mod these!

VR3

Yes, all board mounted and SDA

drumminman

Reagan wrote: »

...in the results of this mod! (Especially since I own the pair to be modded)

Reagan

Have you spent much time with the 1.2's before the mods? I'm interested in a before and after comparison given that you're using, among other components, Clarity Cap MR's.

You're investing some serious coin!

Reagan

I've had the 1.2 TL's for about 10 years but am the original owner of SDA 1A's and 2'A's. I did the crossover upgrade on the 2A's and was quite pleased with the results. Reagan

drumminman

Reagan wrote: »

I've had the 1.2 TL's for about 10 years but am the original owner of SDA 1A's and 2'A's. I did the crossover upgrade on the 2A's and was quite pleased with the results. Reagan

Cool - looking forward to your impressions.

PolkieMan

Are they available for the 2.3 Tls too?

VR3 wrote: »

Yes, all board mounted and SDA

VR3

Most definitely!

VR3

https://soundcloud.com/vr3mods/polk-audio-sda-srs-1-2tl-stock

Stock recording posted

VR3

I would have to say we captured the imaging capabilities of the SDA really well..

VR3

Alright,

1.2TL recording posted - lets see if Soundcloud likes me tonight!

http://soundcloud.com/vr3mods/polk-audio-sda-srs-1-2tl-stock

Oldfatdogs

Sounds good to me.Who is singing?
Dan

Found it Thanks

VR3

That is Millage Gilbert.

How do you feel we captured the SDA staging?

Oldfatdogs

From what I can tell with my computer speakers it sounds real good.I wish I could give some more helpful feedback than that,but on these speakers just not possible.

Dan

VR3

I have another 1.2TL coming for modifications that is what I would describe as "Balls Deep"

Clarity Cap MR on the entire tweeter network, all 12uf and .25uf caps and the midbass/SDA is all ESA.

I am a little pumped about this!!

schwarcw

So Trey what are you impressions?

VR3

Of the recording?

I have a lot of opinions but I want to hear everyones opinions first...

Toolfan66

I am really thinking about putting the Clarity MR12's in my crossovers. I'm sure I will have to reconfigure my setup for them.

Maybe I just buy them and plan on doing a full point to point external crossover..

VR3

I have a brilliant idea to make the MR work and not even make it look like a mountain

Stay tuned!

VR3

We *might* need more room!

ZLTFUL

"Does this board make my caps look big?"

"I think we need a bigger board..."

Damn you Donkey Kong...stop throwing those barrels at me!

VR3

I can't wait to do the mod using the MR 12s... it is going to be SICK!

nspindel

Tony should build a new board. You know, his original seems to have gotten a bit cramped.

VR3

1.2TL with ESA/Jantzen - half way done!

VR3

All wired up!

treitz3

Who was it that said size doesn't matter?

Tom

VR3

Yeah those things are monsters! Three per crossover!!