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Polk Audio Stereo Dimensional Array Vintage Speakers
Here at PolkSDA.Com, you will find listings of all of the Polk Audio speakers from the mid-1980s through the early 1990s, including specifications, pictures, and some example Ebay auction results. There are also some vintage advertisements, as well as a full review of the flagship SDA-SRS from 1985. I now own 9 pairs of vintage Polk Audio speakers.
Polk Audio SDA 2 Floorstanding Speakers user reviews : 4.7 ...
http://www.audioreview.com/product/speakers/floorstanding-speakers/polk-audio/sda-2.html
These Polk Audio SDA-2B's are great speakers for the price than can be had these days on the used market. I own two different pair of these and they continue to impress me as time goes on and gear upgrades happen. New tweeters can still be purchased direct from Polk and the crossovers can be upgraded for improved sound quality.
Polk SDA Vintage Speaker for sale - eBay
https://www.ebay.com/b/Polk-SDA-Vintage-Speaker/50597/bn_55191895
Polk Audio was the first brand to think of the room as its own acoustic space. The SDA technology comes down primarily to driver positioning, which is paired with a cancellation system that allows you to hear the audio image in the same way that it sounded when it was recorded.
Polk Audio SDA 1 C Floorstanding Speakers user reviews : 4 ...
http://www.audioreview.com/product/speakers/floorstanding-speakers/polk-audio/sda-1-c.html
The SDA's are my favorite so far, and a few basic tips will ensure the best listening experience: 1. Use high current power amplifiers 2. Follow the room placement guidelines in the Polk user manual 3. Always use the inter-connect cable The SDA-1C performs very even from the lowest of notes to the highest notes.
Polk Audio SDA 2 Speaker Pair | Irwin's Gear Emporium | …
https://reverb.com/item/49943788-polk-audio-sda-2-speaker-pair
The Polk Audio Stereo Dimension Array (SDA) speakers were the vanguard of stereo technology when introduced in 1984. Matthew Polk was looking to "eliminate interaural crosstalk effectively removing the physical speakers as apparent sound sources. Sounds meant to originate outside the region between the speakers can be heard in their correct ...
Polk Legend L800 SDA Loudspeaker Review - Audioholics
https://www.audioholics.com/tower-speaker-reviews/polk-legend-l800
Polk’s Stereo Dimensional Array (SDA) addresses a real problem but may not be one that bothers many. The advantage of the SDA approach is that it does not lock you into a small optimal listening window. You can still move your head around and hear the effect.
Polk Audio SDA-2A Speaker System Review price specs - Hi ...
http://www.hifi-classic.net/review/polk-audio-sda-2a-181.html
Continued experimentation has led to design changes that both improve performance and reduce cost, and the result is the SDA-2A. The Polk SDA-2A is a floor-standing speaker that measures 39-1/2 inches high, 16 inches wide, and 12 inches deep. The black cloth grille is retained by plastic snaps. Each speaker weighs about 57 pounds.
SDA Technology - Polk Audio
https://au.polkaudio.com/discover/sda-technology
Polk Audio was the first to think of dealing with the problem acoustically in the listening space. By positioning additional drivers to deliver a precisely derived cancellation signal to your ears, SDA enables you to hear the sonic image just as the recording captured it.
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