Vintage Monitor and SDA Speaker Deals
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I did the TL upgrade on my 2A's. You still have to use a common ground amp and you can't use the isolation transformer, but you can use the RD0198 tweeters with an additional 5.8ufcapacitor if my memory is correct.
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Polk Monitor 10's in decent shape for 25 bucks. No affiliation.

https://losangeles.craigslist.org/sfv/ele/d/north-hollywood-polk-audio-speakers/7463832326.htm -
THERE YOU GO!
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Sorry about that pal, I was in the drive thru lane.No affiliation and no link. Another meaningful post. -
Shouldn't be foruming while driving!
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Oh crap now you tell me! In all fairness, in my hour and a half drive each way through the middle of nowhere every day, if it wasn't for foruming and driving I may have dozed off and drove off a cliff. Now I know some of you are saying... And your point is???
No point. Thank you for keeping me alive one more day.Gustard X26 Pro DAC
Belles 21A Pre Upgraded with Mundorf Supremes
B&K M200 Sonata monoblocks refreshed and upgraded
Polk SDA 1C's modded / 1000Va Dreadnaught
Wireworld Silver Eclipse IC's and speaker cables
Harman Kardon T65C w/Grado Gold. (Don't laugh. It sounds great!)
There is about a 5% genetic difference between apes and men …but that difference is the difference between throwing your own poo when you are annoyed …and Einstein, Shakespeare and Miss January. by Dr. Sardonicus -
Well after giving it some thought, I decided to purchase the 25 dollar Monitor 10's...
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Well after giving it some thought, I decided to purchase the 25 dollar Monitor 10's...
Nice, not a lot of thought needed for that decision! -
Well after giving it some thought, I decided to purchase the 25 dollar Monitor 10's...
What are your plans? I'm listening to the radio on my set right now. I bought them new in the late 80's.HT/2Channel: Emotiva MMC-1, Adcom GFA-555II, Polk SDA 3.1's, Teac TN-300 TT, Polk Center and Sub.
Bedroom system: Carver CT-24, Parasound HCA-800II, Monitor 10's
Additional projects: RTA 12c's -
I really don't have anything special planned for them. They will simply enter the rotation of a somewhat vintage setup that I've been tinkering with.
Currently it consists of a Yamaha CR1020, a Pioneer PL10, and some Boston Acoustics A150's. Other components come in and out of rotation as the need for tinkering develops. -
That will be a nice set up. Glad someone got them that is one of us.
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The Thrifty Setups in Mah House Big thrifty stereo in the basement w/ my custom SDA-1C (built with help from kind forum members) * Beautiful 1966 MCM GE console upgraded w/ Bluetooth, Dual turntable, and Paradigm speakers in family room * Swanky 1980 Realistic system and great TEAC eq with dancing colored lights in the living room * custom 5B on a system for my Dad * Ye Olde college stereo in the garage
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Those are nice however I prefer the 2B's with the wood tops...

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Polk CRS early edition, not my cup of tea but for a hundred bucks you can't go wrong. No affiliation.

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I'd snatch them up and mod away.Don't take experimental gene therapies from known eugenicists.
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Monitor 5's with peerless tweets in the Great Northwest for 50 clams, no affiliation. https://seattle.craigslist.org/see/ele/d/seattle-polk-monitor-speakers/7462971001.html

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Nice. Crazy low price. I would pounce on that. One driver isn't silver basket, so probably not the original driver. I did not know that they were countersinking the passives back then.George / NJ
Polk 7B main speakers, std. mods+ (1979, orig owner)
Martin Logan Dynamo sub w/6ft 14awg Power Cord
Onkyo A-8017 integrated
Logitech Squeezebox Touch Streamer w/EDO applet
iFi nano iDSD DAC
iPurifier3
iDefender w/ iPower PS
Custom Steve Wilson 1m UPOCC Interconnect
iFi Mercury 0.5m OFHC continuous cast copper USB cable
Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
Custom Vibration Isolation Speaker Stands and Sub Platform -
Ones I have seen like that best I recall were not countersunk and as you said have the silver metal baskets. Probably shifted a magnet. Who cares for 50 bones that's a deal.
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It’s raining monitor 5’s in Utah! All popped up within 3 days of each other…
And just when I list my Practically Perfect Pair too… 😖



Current Collection: Monitor 4a (Peerless), Modified Monitor 7b (Peerless), RTA15TL (SL3000), Full mod SDA CRS 4.1TL (198’s), SDA SRS 2.3TL (198’s), R100's, R200’s, R300 🤩 -
Sweet!
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That first one looks super early with that early method of grille attachment. Interesting that even that one has a countersunk passive radiator. Makes me think that they must've done that from the beginning with the Monitor 5. Not with the 7 though in the beginning. Things that make ya go hmmmm.George / NJ
Polk 7B main speakers, std. mods+ (1979, orig owner)
Martin Logan Dynamo sub w/6ft 14awg Power Cord
Onkyo A-8017 integrated
Logitech Squeezebox Touch Streamer w/EDO applet
iFi nano iDSD DAC
iPurifier3
iDefender w/ iPower PS
Custom Steve Wilson 1m UPOCC Interconnect
iFi Mercury 0.5m OFHC continuous cast copper USB cable
Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
Custom Vibration Isolation Speaker Stands and Sub Platform -
Nice looking pair of M5jr+ for $140 in Denver.
https://denver.craigslist.org/ele/d/denver-vintage-polk-audio-monitor/7467304204.html
KEF Xq5s / Velodyne DD12 / Apollon Purifi 1ET6525SA / SST Thoebe II / Bluesound Node 130 / Oppo BDP-105D / Technics SP-15 w/SAEC WE-308SX & Ortofon AS-309 arms / Audio-Technica ART-1 & Dynavector XX2 Mk II carts -
2-channel Yaqin B2-T Pre, Emotiva XPA-2 Gen 2, Marantz SA8005, Pro-Ject RPM-10 Turntable, Denon DP-59L Pro-Ject Phono Box DS3B, Polk Audio Legend L800's, AudioQuest Cable throughout.
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I considered but probably not going for it personally. These are Series II for $75. They don't seem to have the updated tweeters because you can see the foam ring.
https://newjersey.craigslist.org/ele/d/montclair-polk-monitor-series/7463693035.html
George / NJ
Polk 7B main speakers, std. mods+ (1979, orig owner)
Martin Logan Dynamo sub w/6ft 14awg Power Cord
Onkyo A-8017 integrated
Logitech Squeezebox Touch Streamer w/EDO applet
iFi nano iDSD DAC
iPurifier3
iDefender w/ iPower PS
Custom Steve Wilson 1m UPOCC Interconnect
iFi Mercury 0.5m OFHC continuous cast copper USB cable
Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
Custom Vibration Isolation Speaker Stands and Sub Platform -
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They take the drop-in Wuhans. I believe the pole-pieces may have copper shorting rings. Would be a fun project. They look well treated to boot.Don't take experimental gene therapies from known eugenicists.
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I know.......groan.....decisions....
It would give me a use for those 2 billet tweeter bezels I have and parts to make tweeter (thanks to xschop)
George / NJ
Polk 7B main speakers, std. mods+ (1979, orig owner)
Martin Logan Dynamo sub w/6ft 14awg Power Cord
Onkyo A-8017 integrated
Logitech Squeezebox Touch Streamer w/EDO applet
iFi nano iDSD DAC
iPurifier3
iDefender w/ iPower PS
Custom Steve Wilson 1m UPOCC Interconnect
iFi Mercury 0.5m OFHC continuous cast copper USB cable
Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
Custom Vibration Isolation Speaker Stands and Sub Platform -
You'ld be first to have billet SL2500-RDO hybrids. The alloy plates have the RDO throat profile. You may like what you hear.Don't take experimental gene therapies from known eugenicists.
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You'ld be first to have billet SL2500-RDO hybrids. The alloy plates have the RDO throat profile. You may like what you hear.
These are fair game for one of us. I'll be noble rather than a hoarder
But I will put the $75 in a slush fund towards a nice pair of CRS+.
George / NJ
Polk 7B main speakers, std. mods+ (1979, orig owner)
Martin Logan Dynamo sub w/6ft 14awg Power Cord
Onkyo A-8017 integrated
Logitech Squeezebox Touch Streamer w/EDO applet
iFi nano iDSD DAC
iPurifier3
iDefender w/ iPower PS
Custom Steve Wilson 1m UPOCC Interconnect
iFi Mercury 0.5m OFHC continuous cast copper USB cable
Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
Custom Vibration Isolation Speaker Stands and Sub Platform -
If you lived on the opposite coast, you could pick up a pair of CRS+ for about that lol.Don't take experimental gene therapies from known eugenicists.








