Ready to start updating the SDA SRS 2s
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Posts: 365
I've had them for two years and all I've done ,so far is replace the tweeters with the 194s.It presently has hurricane nuts, but Larry is hooking me up with his rings. I figure I might as well hit all items including crossovers,but I'll send them out for repair. Ordered some dynamat for the speakers. They sound pretty good presently but the bass is a little soft and the vocals are a bit raspy. It's a Blade/Blade but the previous owner changed that to the other speaker terminal. I'm not sure if this they way to do it, but it definitely works. I'm sure I'll have a few questions. 
Thanks, Tony
Thanks, Tony Comments
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The blade/blade SRS 2 is a larger version of the SDA 1B. They're a terrific speaker system but completely incompatible with non-common-ground amplifiers.
If you can solder, you can recondition the crossovers yourself. Nice weekend project. A replacement SDA inductor pair can improve bass, although the bass is pretty good if everything is in decent condition. -
I've been using a Yamaha PC2002M for the last two years.It's not rated a 4 ohms but it seems to do OK. I think a new preamp is what I also need. Any recommendations under 1K ?
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NAD
Proton
Adcom
Carver
B & K
Parasound
Rotel
Just to name a few. Some are only available used now. -
One done as far as the rings, dynamat and Black Hole 5 goes. Will do the other one wed.
Moved them to a longer wall and they do sound good. They might not have the last word on resolution but almost zero ear fatigue after hours of high volume. Here they are. Thanks again for the help.
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How do you like your Yamaha PX-3?afterburnt wrote: »They didn't speak a word of English, they were from South Carolina.
Village Idiot of Club Polk -
How do you like your Yamaha PX-3?
PX-2. I love it. Just got it back from a few repairs. Bought it new in 81.
I do need a new cartridge. Any suggestion below $400?
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Shure
Grado
Audio Technica
Stanton
Denon
Great job keeping them away from the sidewalls and large furniture!!! -
Spikes will also add a nice improvement in sound quality. Nice system!
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Looks like a nice set up for them. I'm holding off spiking my SRS 2 because I occasionally like to swap in different speakers. Spikes on 150 lb speakers make them pretty close to permanent fixtures.
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Conradicles wrote: »Spikes will also add a nice improvement in sound quality. Nice system!
I have smaller spikes already but with the thick pad and carpet, I wonder if a bigger set will decouple more effectively.
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1. Spikes couple, not decouple.I have smaller spikes already but with the thick pad and carpet, I wonder if a bigger set will decouple more effectively.
2. If the spikes are long enough to pierce the carpet and pad, so the weight of the speaker is supported by the spikes on the hard floor underneath...they're fine.
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Looks like a nice set up for them. I'm holding off spiking my SRS 2 because I occasionally like to swap in different speakers. Spikes on 150 lb speakers make them pretty close to permanent fixtures.
You're in luck, they are only 142 lbs.
Seriously, you don't know what you're missing. You can simply unscrew the spikes if you want to move them.
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 -
They aren't that heavy. I just wrapped my arms around them and lift.
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Finished both and did some listening last night. Obvious increase in clarity and the absence of ringing is a huge improvement. I can see where one might think there is a decrease in bass but it's the lack of boom is all that's missing. I also just got my Yamaha PX-2 TT back and damn does it sound good. Every time I think I'm going to go digital, All I have to do is put a record on that 35 year old relic.
Next up is the crossovers. -
Pulled both crossovers and will be sending them to Dave.
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Set up the DCM TF 600s in place of the Polks and they sound great with a 500 watt amp. A soundstage that reminds me of the Polks. Highly recommended speaker, that is usually available for $200 or less.
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I've passed on a lot of Timeframes over the years, still never heard them. Maybe I'll have to bite one of these days. Although now that I have my SRS 2, pretty much any speaker I hear tends to be a disappointment in comparison and I often wonder why I should be chasing down lesser speakers at all. If they're not going to sound as good as the SRS 2, why bother?
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They are the best buy in vintage audio.
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I have to agree w/ you on the Time Frames. I own a set of TF 350s and over at AK they are all in agreement that 600s are the absolute sweet spot of that line. This so much true that when on another Polkie, P-Man came over to hear my gear and liked the 350s a lot. I had a lead on 600s and he has them now. As a 2B owner my positioning is not as good as yours,I do not have
the minimum 3' side clearance but do have them front firing w/ a 7' spread. Your well on the way.2chl- Adcom GFA- 555-Onkyo P-3150v pre/amp- JVC-QL-A200 tt- Denon 1940 ci cdp- Adcom GFS-6 -Modded '87 SDA 2Bs - Dynamat Ext.- BH-5- X-Overs VR-3, RDO-194 tweeters, Larry's Rings, Speakon/Neutrik I/C- Cherry stain tops Advent Maestros,Ohm model E
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 -
You're saying the Timeframes are the best buy? How do they compare to your SRS 2?
SDAs across the board are the best buy I've come across in vintage audio. They're ALL severely undervalued in my opinion. Although I suppose they're only a killer value if you have the space, power, and spousal tolerance for them. They may not be a value to those that don't have those luxuries. In fact, I'm certain that's why their market value is so low. -
You're saying the Timeframes are the best buy? How do they compare to your SRS 2?
SDAs across the board are the best buy I've come across in vintage audio. They're ALL severely undervalued in my opinion. Although I suppose they're only a killer value if you have the space, power, and spousal tolerance for them. They may not be a value to those that don't have those luxuries. In fact, I'm certain that's why their market value is so low.
I meant in low cost vintage. I paid $200 for mine and that's top dollar. I don't think they are in the same league as the SRS 2s.
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I meant in low cost vintage. I paid $200 for mine and that's top dollar. I don't think they are in the same league as the SRS 2s.
Gotcha. I won't bother then. I only need one pair of speakers.
Now I'm only interested in speakers that are better than the SRS 2. Haven't heard any yet. And I paid $400 for mine.
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I meant in low cost vintage. I paid $200 for mine and that's top dollar. I don't think they are in the same league as the SRS 2s.
Gotcha. I won't bother then. I only need one pair of speakers.
Now I'm only interested in speakers that are better than the SRS 2. Haven't heard any yet. And I paid $400 for mine.
They did make the famous Time windows and they also had a TF1000 and the ultra rare TF2000, that goes for big money.
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After listening to the DCMs for a while, they are nice for the money but I'm really looking forward to hearing the updated SDA SRS 2s.
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Looking forward to hearing your findings. I've done a few cap replacements on much older (non-Polk) speakers and heard very little difference. Although it's hard because you can't A/B the new and old. Of course you can listen to one re-capped speaker and then the original one, but not the same as a true stereo image.
Plenty on here say it's a night and day difference though. I still can't decide if I'm going to take the plunge on my SRS 2. Maybe you can convince me. -
I was a bit hesitant to spend twice what they cost me originally, But I think it will be much improved. Rex81, have changed the tweeters and dynamatted the speakers?
The tweeters were a huge improvement to my ear and the lack of ringing is nice, too. -
For the record: I performed most of the recommended repairs/modifications on my 1Bs. These are exceedingly similar to SRS 2 blade/blade speakers aside from cabinet size, passive radiator size, and one resistor in the high-frequency crossover.Plenty on here say it's a night and day difference though. I still can't decide if I'm going to take the plunge on my SRS 2. Maybe you can convince me.
YES, there's a TREMENDOUS improvement. Bear in mind that I used what some folks here consider bottom-of-the-barrel Dayton and ERSE film caps and a mix of Mills and ERSE resistors instead of the various "approved" brands that cost far more. The only inductors I replaced were the 9.6mH units for the SDA circuit.
I have most of the parts--but no time--to do the same to my SRS 2 pin/blade speakers. When I get my life back on track, they'll be upgraded also, along with SpeakOn connections and a Dreadnought. If I get half the improvement on the SRS that I did on the 1Bs, it will still be worth every penny.
Your capacitors are beyond their expected service life. They need to be retired, along with the polyswitches (assuming you have a decent amplifier). If you haven't heard the speakers with fresh capacitors...you haven't heard those speakers. Lifting the polyfill back into position, damping the baskets, and assuring that the drivers are secure--and the cabinet is reasonably air-tight--is low-cost but with high return on the dollar.
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Yes, I did the tweeters, dynamat, speaker terminals, speak on, hurricane nuts, made cabinet air tight, removed poly switch and lifted poly fill. All good improvements. Just haven't gotten around to the caps.
Although Schurkey, you're making me want to take the plunge... And I'd probably do like you did and just run Daytons in the low pass. I suppose a couple hundred bucks and a few hours of my time isn't too much to invest in these babies. They've given me so much. *tear* *sniff* -
New caps will take them to a new higher place. Spend a few more bucks and do it right, you won't regret the investment, rock on.Yamaha RXA1030, Yamaha CD-S2100, Yamaha AS-2200, Bluesound node 2i
Polk SDA2btl highly modded
Polk SDA 1C modded
Polk CS350 LS x2
Kimber 8TC
Sony 55" Bravia
Wish list SVS sub -
While waiting for my crossovers to return, I picked up a mint Parasound P5 to replace my old Onkyo 3060r. Only had a quick listen but seems to be a real upgrade. Can't wait to return the Polks to service!
