POLK AUDIO-NEW! 6.5 Woofer Driver MW6503 SDA-CRS+ RTA15TL, NEW! FROM POLK AUDIO.BOUGHT AS REPLACEMENTS FOR MY RTA -15TS, NEVER NEEDED TO USE THEM. WILL SELL AS SET OR INDIVIDUALLY.

good working tweeter pulled from an M7 speaker, fits MANY models of vintage polks. look at pictures for condition

POLK AUDIO SDA-1 ,6.5 WOOFER #MW6509 6-Available. Woofers are working properly and in excellent physical condition. They include the screws to attach the speakers which are attached using blue tape as seen in the pictures. Please see pictures for additional detail on condition and ohm reading for all 6 speakers. Ohm reading for all 6 are excellent as the when new they were 8.9ohm. Sold individually

Vintage Polk Audio Loudspeakers1987 Model SDA 1BOriginal Owner Original Cost $1400.00 for the pair.Speakers have been extensively upgraded at the cost of over $400.00. Speakers are in great condition!Hooked up and ready to audition.Have digital copies of users manual and SDA reference guide.Dimensions: 16W x 12D x 45 HApprox weight: 85 lbs each4 ohm impedanceFrequency Response: 14-26,000 HzRecommended Amplification: 10-500Watts/channelEfficiency: 92dbDriver Complement per speaker:Two 1-inch RDO194 TweetersFour 6-1/2inch trilaminate polymer bass-midrange driversOne 12 inch fluid-coupled subwoofer2016 Upgrades:Original SL2000 Tweeters were replaced with Polk RDO194 models.2019 Upgrades:Crossover network components were replaced with SonicCap brand capacitors for the High frequency crossover circuit and Solens for the Low Frequency crossover. Low Frequency inductor replaced with ERSE Super Q coil.Resistors replaced with Vishay Mills precision resistors.Interconnect cable upgraded with Neutrik Speakon connectors and Canare cable.Original Binding posts replaced with Cardas connectors.Original cabinet bases replaced with solid walnut along with adjustable speaker spikes.All speaker mounting screws are using hurricane nuts and all speaker baskets have been dampened with Noico Sound dampening mat.Grill cloth has been replaced on both units.BONUS Items: NEOTECH Cryo Treated Banana plugs and Audioquest SureGrip 300 Spade lugsLocal Pickup only due to size and weight of speakers.550.00

Polk Audio SDA 1 speakers one left and one right channel. They are used and being sold as is. Dimensions are 16 wide x 12 deep and 44 tall. Local pickup for free. Please message if interested in shipping, these are very large large speakers and will difficult and expensive to ship.

Polk Audio SDA 1 speakers one left and one right channel. They are used and being sold as is. Dimensions are 16 wide x 12 deep and 44 tall. Local pickup for free. Please message if interested in shipping, these are very large large speakers and will difficult and expensive to ship.

Polk Audio SDA 1 speakers one left and one right channel. They are used and being sold as is. Dimensions are 16 wide x 12 deep and 44 tall. Local pickup for free. Please message if interested in shipping, these are very large large speakers and will difficult and expensive to ship.