4a Overhaul

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Faustin
Faustin Posts: 1,151
edited May 2014 in Vintage Speakers
Working on these 4a's as a college graduation present for my daughters boyfriend. His parent's bought him a vintage Technics tt and I am selling them a vintage CR-620 as part of the package. These 4's were a little rough so I re-veneered with flat cut cherry PSA, stained and applied 6 coats of hand rubbed satin poly. My first veneer job and I am very pleased with the results. Much thanks to westmassguy for his advise and guidance. Waiting for the caps and resistors to arrive to do the c/o's.
4a before 2.jpg
4a veneered with hand rub poly.jpg
4a veneered with hand rub poly 3.jpg
4a veneered with hand rub poly 2.jpg
4a veneered 4.jpg
4a veneered 3.jpg
4a veneered 2.jpg
4a halway 3.jpg
4a halfway.jpg
4a halfway 2.jpg
4a before.jpg
4a before 3.jpg
4a veneered.jpg
Post edited by Faustin on
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  • boston1450
    boston1450 Posts: 7,758
    edited May 2014
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    Those look very nice. Those 4's will sound very nice with the Yamaha. My first Yamaha receiver was a CR620 with a SL BD22 Technics tt & it sounded very nice with Polks (thanks to Mhardy recommend). I think they will enjoy that alot
    Randy-Maine
    2ch-RTA15tl crossover upgrade
    by David WMG
    Yamaha cr1000 cr2040
    HT-Yamaha Parasound Acurus
    MIT BJC Cs1000p Polk Rotation
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  • westmassguy
    westmassguy Posts: 6,850
    edited May 2014
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    Looking good Bruce!
    Home Theater/2 Channel:
    Front: SDA-2ATL forum.polkaudio.com/discussion/143984/my-2as-finally-finished-almost/p1
    Center: Custom Built forum.polkaudio.com/discussion/150760/my-center-channel-project/p1
    Surrounds & Rears: Custom Built forum.polkaudio.com/discussion/151647/my-surround-project/p1
    Sonicaps, Mills, RDO-194s-198s, Dynamat, Hurricane Nuts, Blackhole5
    Pioneer Elite VSX-72TXV, Carver PM-600, SVS PB2-Plus Subwoofer

    dhsspeakerservice.com/
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  • Faustin
    Faustin Posts: 1,151
    edited May 2014
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    boston1450 wrote: »
    Those look very nice. Those 4's will sound very nice with the Yamaha. My first Yamaha receiver was a CR620 with a SL BD22 Technics tt & it sounded very nice with Polks (thanks to Mhardy recommend). I think they will enjoy that alot

    Thanks. I think it will be a nice starter setup for the young man. The tt is a q series (don't recall the exact model) but it is a direct drive and had some very good reviews. He seems to want vintage equipment, but I hope I am not starting him down the "RABBIT HOLE".
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  • Faustin
    Faustin Posts: 1,151
    edited May 2014
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    westmassguy wrote: »
    Looking good Bruce!

    Thanks Dave. My next project will be the 12c's.
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  • Zentish
    Zentish Posts: 127
    edited May 2014
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    Sweet looking 4a's! Mine are black - still sound find but are looking a little rough.
    Those look so nice - hard to believe they're 24 years old!
    Receiver: ONKYO TX-NR929 7.1 AVR 130wpc
    Mains: 2x Polk RTA 8TL's
    Center: Polk CS245i
    Surrounds: 2x Klipsch RS-41ii (because they fit perfectly over the door and window)
    Rear Surr: 2x Polk M4a '90
    Subwoofer: Speakerlab DAS-SW dual-voice-coil 10" '88 30Hz-150Hz
    Subwoofer Amp: ONKYO A-8019 AMP '85 100wpc
    Display: Samsung 55" UNC55-8000 3D LED
    Console: Xbox360
    DVR: custom MythTV rig w/ 3 tuners OTA
    Zone2: 2x Polk M5b '87
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  • Faustin
    Faustin Posts: 1,151
    edited May 2014
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    Zentish wrote: »
    Sweet looking 4a's! Mine are black - still sound find but are looking a little rough.
    Those look so nice - hard to believe they're 24 years old!

    Thanks! Actually the dates on the c/o's and drivers are 1982. Hopefully last another 30 years after the c/o overhaul.
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  • Faustin
    Faustin Posts: 1,151
    edited May 2014
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    Well the little 4a's are done and ready for a new home. Kinda hate to part with them but I think the new owner will enjoy his first set of Polk's


    4a Crossover 1 Done and 1 to Go.jpg
    4a New Binding Post.jpg
    4a Ready to Re-Assemble.jpg
    4a's Done 2.jpg
    4a's Done 3.jpg
    4a's Done.jpg
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  • NJPOLKER
    NJPOLKER Posts: 3,475
    edited May 2014
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    Really nice job. I'm sure your daughters boyfriend will appreciate your thoughts and efforts.
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  • westmassguy
    westmassguy Posts: 6,850
    edited May 2014
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    They look beautiful, well done!
    Home Theater/2 Channel:
    Front: SDA-2ATL forum.polkaudio.com/discussion/143984/my-2as-finally-finished-almost/p1
    Center: Custom Built forum.polkaudio.com/discussion/150760/my-center-channel-project/p1
    Surrounds & Rears: Custom Built forum.polkaudio.com/discussion/151647/my-surround-project/p1
    Sonicaps, Mills, RDO-194s-198s, Dynamat, Hurricane Nuts, Blackhole5
    Pioneer Elite VSX-72TXV, Carver PM-600, SVS PB2-Plus Subwoofer

    dhsspeakerservice.com/
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  • Faustin
    Faustin Posts: 1,151
    edited May 2014
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    Thanks men. Was a fun project.
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  • deafbykhorns
    deafbykhorns Posts: 150
    edited May 2014
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    Am I not seeing any pics because I'm on a iPad?
    Main System- Scratch built 2A3 , Lightspeed preamp, Technics SP15/Graham/XV1s,Klipschorns w/ALK xovers/Trachorns, Speakercraft MT8(4), Sonos ZP90, Yamaha Aventage for surround
    Office System- Adcom GTP500, Bedini 45/45,Lexicon RT-20,Enlightened Audio DAC, Polk SDA2.3TL, Northcreek Borealis
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  • StantonZ
    StantonZ Posts: 454
    edited May 2014
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    That's-a very nice-a!
    Yamaha RX-A2050 AVR (5.0.2); LG OLED77C2 4K TV
    (4) Polk Monitor 10B's w/SoniCaps, Mills, and RDO-194 tweets (R/L F/R)
    (2) Polk RC80i (Top Middle)
    Polk CS300 center channel
    Analog: B&O TX2 Turntable, Nakamichi Cassette Deck 1
    Digital: Pioneer CLD-99 Elite LD, Panasonic DMP-UB900 UHD Blu-Ray
    Bedroom: Arylic Up2Stream AMPv3 driving Polk Monitor 4's w/peerless tweets
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  • DaveHo
    DaveHo Posts: 3,584
    edited May 2014
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    Very nice work! I think you need a pre-nup for those. If they break up, you get them back. j/k
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  • F1nut
    F1nut Posts: 52,292
    edited May 2014
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    Beautiful :cool:
    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

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  • Faustin
    Faustin Posts: 1,151
    edited May 2014
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    Thanks guys. They were picked up yesterday evening by the young man's parents along with my CR-620 Yamaha receiver. I think he will be quite happy when he see's them. He just has to figure out how to get them from Illinois to California in one piece!!
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