This is a reprint of an original Review from 1985. The SDA-SRS speaker from Polk, a RARE find and one of the best speakers EVER built! This is the complete review from Stereo Review in 1985. It is a journey into the magic of this speaker and has much information that you will love if you own these gems. It also explains the SDA concept and how it works. Satisfaction guaranteed! A piece of Audio History! This review has a full test of the product, full specs, and commentary. I have many more Polk Ads and Reviews on my Ebay Store. THANKS! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an original Review from 1985. The SDA-SRS speaker from Polk, a RARE find and one of the best speakers EVER built! This is the complete review from Stereo Review in 1985. It is a journey into the magic of this speaker and has much information that you will love if you own these gems. It also explains the SDA concept and how it works. Satisfaction guaranteed! A piece of Audio History! This review has a full test of the product, full specs, and commentary. I have many more Polk Ads and Reviews on my Ebay Store. THANKS! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an original Review from 1985. The SDA-SRS speaker from Polk, a RARE find and one of the best speakers EVER built! This is the complete review from Stereo Review in 1985. It is a journey into the magic of this speaker and has much information that you will love if you own these gems. It also explains the SDA concept and how it works. Satisfaction guaranteed! A piece of Audio History! This review has a full test of the product, full specs, and commentary. I have many more Polk Ads and Reviews on my Ebay Store. THANKS! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

Great shape . Maybe signs of minor dust on them .

Welcome to Audio/Video Archives, the largest home of audio literature available on eBay! This Advertisment is an exact reprint from 1991, it is printed on matte photo paper and is in Mint condition! The Picture is the picture of the actual item. It is a beautiful piece of Audio History. I have THOUSANDS more from every major brand of Audio from 1950 up to now. ---Satisfaction is GUARANTEED at AV Archives! Take a look at my feedback for satisfied customers! I have been open since 2007 and have sold THOUSANDS of Ads, Reviews, and Brochures to satisfied customers. ---I Ship Worldwide and combine shipping, each additional item is just $1 after the first is paid. ---Each Page is 8.5 by 11 unless otherwise noted in title. ---Single Page, Single Sided Ads, unless otherwise noted in the title. ---These Ads are perfect for framing and placed in your Audio Room. ---I have a HUGE Vinyl Record Store with Thousands of Collectable records, and MANY First Pressings/Audiophile LPs. Just click on my Vinyl Record Store link on the left under categories. Email me for any specific questions, You will hear back from me usually within 4 hours, THANK YOU! Greg Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an original Review from 1985. The SDA-SRS speaker from Polk, a RARE find and one of the best speakers EVER built! This is the complete review from Stereo Review in 1985. It is a journey into the magic of this speaker and has much information that you will love if you own these gems. It also explains the SDA concept and how it works. Satisfaction guaranteed! A piece of Audio History! This review has a full test of the product, full specs, and commentary. I have many more Polk Ads and Reviews on my Ebay Store. THANKS! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

1 (single) ORIGINAL Polk Audio Passive Woofer from SDA II. Very nice, clean condition. 12” in diameter. Removed from working unit.

Great shape . Maybe signs of minor dust on them .

This HTD SDA-100 Subwoofer Digital Amplifier is a great addition to any home audio setup. With its sleek black color and powerful capabilities, its perfect for amplifying your music or movie sound system. Its a digital amplifier that delivers crisp and clear sound, making it ideal for both music enthusiasts and home theater aficionados. Whether youre looking for a powerful amplifier to enhance your home audio experience or need a reliable device to amplify your subwoofer, this HTD SDA-100 Digital Amplifier is perfect for you. Its in great condition and has been well-maintained, ensuring that it will provide you with years of reliable performance. Get this amazing amplifier today and take your home audio to the next level!

Great shape . Maybe signs of minor dust on them .

Welcome to Audio/Video Archives, the largest home of audio literature available on eBay! This Advertisment is an exact reprint from 1991, it is printed on matte photo paper and is in Mint condition! The Picture is the picture of the actual item. It is a beautiful piece of Audio History. I have THOUSANDS more from every major brand of Audio from 1950 up to now. ---Satisfaction is GUARANTEED at AV Archives! Take a look at my feedback for satisfied customers! I have been open since 2007 and have sold THOUSANDS of Ads, Reviews, and Brochures to satisfied customers. ---I Ship Worldwide and combine shipping, each additional item is just $1 after the first is paid. ---Each Page is 8.5 by 11 unless otherwise noted in title. ---Single Page, Single Sided Ads, unless otherwise noted in the title. ---These Ads are perfect for framing and placed in your Audio Room. ---I have a HUGE Vinyl Record Store with Thousands of Collectable records, and MANY First Pressings/Audiophile LPs. Just click on my Vinyl Record Store link on the left under categories. Email me for any specific questions, You will hear back from me usually within 4 hours, THANK YOU! Greg Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an original Review from 1985. The SDA-SRS speaker from Polk, a RARE find and one of the best speakers EVER built! This is the complete review from Stereo Review in 1985. It is a journey into the magic of this speaker and has much information that you will love if you own these gems. It also explains the SDA concept and how it works. Satisfaction guaranteed! A piece of Audio History! This review has a full test of the product, full specs, and commentary. I have many more Polk Ads and Reviews on my Ebay Store. THANKS! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an original Review from 1985. The SDA-SRS speaker from Polk, a RARE find and one of the best speakers EVER built! This is the complete review from Stereo Review in 1985. It is a journey into the magic of this speaker and has much information that you will love if you own these gems. It also explains the SDA concept and how it works. Satisfaction guaranteed! A piece of Audio History! This review has a full test of the product, full specs, and commentary. I have many more Polk Ads and Reviews on my Ebay Store. THANKS! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.

Introducing the FRENCH AUDIO THE BIG BAD WOLF FLOORSTANDING DUAL 12 SPEAKER, a top-of-the-line sound system for your home audio needs. This rectangular-shaped speaker boasts a high-end feature that will surely elevate your listening experience. With a powerful RMS power of 200 watts and impedance of 4-8 ohms, each speaker is a multi-chamber bass-reflect enclosure. This speaker system is perfect for large rooms or auditorium. The system incorporates Dual 12 polypropylene subwoofers. Also,8 bridgeless 1.75 Mylar Midrange Speaker, 1 Mylar Done Tweeter, and 6 X 8 Polypropylene Coated Woofer. The FRENCH AUDIO BIG BAD WOLVE SPEAKERS comes in a stunning Golden Oak Color. It has audio inputs of 110 INLET or use speaker wire.. This speaker is ideal for anyone who loves to listen to music with a full and rich and dynamic well defined bass response. Get yours today and enjoy the ultimate audio experience!Power Capacity 800 WattsImpedance 4 OhmsSound Pressure Level 98db@1W/1M1 Mylar Dome Tweeter1.75 Mylar Midrange6 X 8 Red Polypropylene Mid Bass Drivers12 Red Polypropylene Sub WoofersWeight 245LBS Each SpeakerFrequency Response 25 to 20,000 Cycles Per Second.Dimension 75.5 X 20 X 24Port Colors RedChamber Composition 3/4 Oak Wood, 3/4 Oak Plywood, 3/4 Plywood, 1 1/2 White Wood, 1/2 Plexiglass Pick - Ups are Welcome. AS - IS, No Warranty, No Refunds, on used products.

Introducing the FRENCH AUDIO PENTACOST FLOORSTANDING DUAL 18 LOUDSPEAKER SYSTEM, a top-of-the-line sound system for your stage, auditorium audio needs. This rectangular-shaped speaker boasts a high-end feature that will surely elevate your listening experience. With dual massive 18 ceramic 1000 watts Subwoofers. Impedance of 4-8 ohms, each speaker is a double-chamber bass-reflect enclosure. This speaker system is perfect for very large rooms or auditorium. The system incorporates Dual 18 ceramic heavy cone subwoofers for dominating low frequencies. Also,4 8 Mid/Bass Speakers and 2 1.35 Titanium Horn Tweeters.. The FRENCH AUDIO PENTACOST SPEAKERS comes in a stunning Golden Oak Color. It has audio inputs of 110 INLET or use speaker wire.. This speaker is ideal for anyone who loves to listen to music with a full dynamic wall shaking bass response. Get yours today and enjoy the ultimate audio experience!Power Capacity 1000 WattsImpedance 4 OhmsSound Pressure Level 100db@1W/1M1.35 Titanium Dome Tweeter8 Polypropylene Mid/Bass RangeDual 18 Sub WoofersWeight 251 LBS Each SpeakerFrequency Response 25 to 20,000 Cycles Per Second.Dimension 75.5 X 20 X 24Port Color BlackChamber Composition 3/4 Oak Wood, 3/4 Oak Plywood, 3/4 Plywood, Pick - Ups are Welcome. AS - IS, No Warranty, No Refunds, on used products.

Introducing the FRENCH AUDIO SUB BELOW ZERO FLOORSTANDING DUAL 15 SPEAKER, a top-of-the-line sound system for your home audio needs. This rectangular-shaped speaker boasts a high-end feature that will surely elevate your listening experience. With a powerful RMS power of 360 and impedance of 4-8 ohms, each speaker is a multi-chamber bass-reflect enclosure. This speaker system is perfect for large rooms or auditorium.. The FRENCH AUDIO SUB BELOW ZERO FLOORSTANDING DUAL 15 SPEAKER comes in a stunning Golden Oak Color. It has audio inputs of 110 INLET or use speaker wire.. This speaker is ideal for anyone who loves to listen to music with a full and rich sound with dominating bass. Get yours today and enjoy the ultimate audio experience!Power Capacity 750 WattsImpedance 5 OhmsSound Pressure Level 100db@1W/1M1.35 Titanium Dome TweeterWeight 212Lbs Each SpeakerFrequency Response 25 to 20,000 Cycles Per Second.Dimension 65.5 X 20 X 23.5Port Colors Red, Blue, GreenChamber Composition 3/4 Oak Wood, 3/4 Oak Plywood, 3/4 Plywood, 1 1/2 White Wood, 1/2 PlexiglassMain Port Composition Steel, Inner PVC Pick - Ups are Welcome. AS - IS, No Warranty, No Refunds, on used products.

Great shape . Maybe signs of minor dust on them .

Local pick-up only. Includes interconnect cable. Good condition.

Good drivers pulled from SDA-1 speakers. They all produce clear sound and measured between 7.7 & 8.1 ohms. Rubber surrounds in good condition. screws included. Price is each. Look at the pictures and feel free to ask any questions.

Great shape . Maybe signs of minor dust on them .

This is a reprint of an original Review from 1984. The compact reference speaker from Polk, a RARE find! This is the complete review form Stereo Review in 1984. It is excellent and has much information that you will love if you own these gems. It also explains the SDA concept and how it works. A piece of Audio History! This review has a full test of the product, full specs, and commentary. I have many more Polk Ads and Reviews on my Ebay Store. THANKS! -Each Page is 8.5 by 11 Please check out my new Vintage Audio Web Site, www.VintageAudioArchive.com -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an Audio Review from 1984! It will have Specs, a Test of the product, and Commentary around the features and performance of the unit. Very rare and hard to find! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an Audio Review from 1984! It will have Specs, a Test of the product, and Commentary around the features and performance of the unit. Very rare and hard to find! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

A full test of the classic Polk SDA-2a, An excellent test done by Julian Hirsch of Stereo Review in 1985. They really like the speaker and put it through its paces with music and lab tests. You will enjoy this literature! -This is a an exact re-print of a classic Audio Review or Brochure. -Each page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.