Monitor 4 upgrades

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  • DeRod
    DeRod Posts: 249
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    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • xschop
    xschop Posts: 5,838
    edited November 2025
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    DeRod wrote: »
    If I did sell tickets @mhardy6647 would be the first to buy some .. he loves these little speakers. He was commenting on how great they sound and dreaming of having a pair 🤣🤣🤣 ... of speakers that is 🤣🤣🤣🤣

    I'd buy him a beer...
    It'd be a serendipitous affair.

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    Don't take experimental gene therapies from known eugenicists.
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    Well .. our friend doesn't have very high standards 😜😜

    If he likes the monitors 4s so much I'm sure he thinks OE800 is exquisite.
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • xschop
    xschop Posts: 5,838
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    Colt 45 would be conjecture, chaps. Olde English is quite pertinent and apposite to conveyed post.
    Don't take experimental gene therapies from known eugenicists.
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  • Jstas
    Jstas Posts: 15,018
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    What's with the personal attacks against Doc?
    Expert Moron Extraordinaire

    You're just jealous 'cause the voices don't talk to you!
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  • DeRod
    DeRod Posts: 249
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    You been on this forum for far too long. You should already know that we are just being friendly 😜
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • Jstas
    Jstas Posts: 15,018
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    DeRod wrote: »
    You been on this forum for far too long. You should already know that we are just being friendly 😜

    There's nothing "friendly" about it, hoss. You're being a jackass.
    Expert Moron Extraordinaire

    You're just jealous 'cause the voices don't talk to you!
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    Wow that was mean and uncalled for 🤣 Have you been drinking like your buddy? might want to lay off the sauce 😜

    Hey just so you know there are places you can go get help with your anger issues
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
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    @Jstas You want another beer or you already had too many 🤣🤣
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
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    Hah!
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • xschop
    xschop Posts: 5,838
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    How they should have left the factory... Cheers (as I tip my fo-dee).
    Don't take experimental gene therapies from known eugenicists.
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  • DeRod
    DeRod Posts: 249
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    Got to get a needle to poke the hole where the Polk badge goes. A needle just to find the hole and then poke it with a bigger poker ..
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    daddyjt wrote: »
    Maybe phase plugs and dynamat inside the baskets of the woofers would do the trick…?

    Best post ever! In between me working on the speakers we have clowns that make everyone laugh 🤣🤣 you guys are awesome!
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • xschop
    xschop Posts: 5,838
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    Looking forward to the Dynacell baskets. B)
    Don't take experimental gene therapies from known eugenicists.
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  • DeRod
    DeRod Posts: 249
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    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    The original terminal cups with the board and larger capacitors barely fits. The cup without the board is still a close fit. The woofer magnet is too close to the crossover. I think that is an issue. If I relocate the crossover up behind the tweeter and completely eliminate the terminal cup creating a space behind the woofer it might clean up the sloppy mids and upper bass.
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
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    sr8p7wt9vqhk.jpeg

    That’s on another pair of my speakers but same idea. Eliminating the terminal cup and replacing with just a plate also gives you the option of much better binding posts. I like how on those posts you get a really good connection with the banana plugs.
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • StantonZ
    StantonZ Posts: 454
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    mhardy6647 wrote: »
    The original Monitor 4 was a good sounding loudspeaker, stock.
    My 40+ year old Monitor 4's are still some of the best-sounding speakers I've ever owned (Peerless tweets)...and I didn't even re-do the XO's (like I did on my Monitor 10's).
    Yamaha RX-A2050 AVR (5.1.2); 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
    Klipsch SPL-120 subwoofer
    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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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    StantonZ wrote: »
    mhardy6647 wrote: »
    The original Monitor 4 was a good sounding loudspeaker, stock.
    My 40+ year old Monitor 4's are still some of the best-sounding speakers I've ever owned (Peerless tweets)...and I didn't even re-do the XO's (like I did on my Monitor 10's).

    Glad your happy with them. As far changing that one cap it isn't really worth it in my opinion it made no real difference when I did it on one of mine.

    I think this speaker has the potential to sound good. The original speaker as it came from Polk leaves a lot to be desired -IMO
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • Gardenstater
    Gardenstater Posts: 4,945
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    I'm still sort of interested in knowing if you have gotten around to verifying the polarity of the drivers, especially that the tweeter is in reverse polarity to the MW. That could really mess up the sound, since Polk designed it to be that way.



    George / NJ

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  • DeRod
    DeRod Posts: 249
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    The binding posts on those plates are too big to fit the original cups, too thick, they touch each other. Like 2 fat people in an airplane. That's what I mean those plates give you the option of using a much wider variety of posts.
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    Foam fits better with out the cup as well. All the ones I’ve seen the foam melts all the crossover and turns everything nasty. I had to scrub all that gunk off on mine with a toothbrush.

    The original foam was also overly thick for these small cabinets. The new replacement foam is less thick but did cut it to the same dimensions as the original foam.
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    Toolfan66 wrote: »
    I would have tossed the boards and just made point 2 point crossovers,

    Hmmmm 🤔
    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    @Toolfan66 check out the crossover in mini monitor. It’s your basic Polk crossover with a few minor exceptions:

    12uf cap
    33uf (not 34) cap
    1ohm resistor
    2.7ohm resistor

    Anyhow that way better than what came in the Monitor 4 originally. I would like to build something more along those lines as opposed to just recreating the original crossover on a board.

    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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  • DeRod
    DeRod Posts: 249
    edited November 2025
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    @nooshinjohn I said its garbage as it came from Polk originally. I think it has potential to be decent and thought it would be fun to try. I don't think it will ever be a great speaker, but it can be better than it was originally. That being said I haven't spent much money most of this was left over from other more interesting projects.

    Plus, I though others might find it interesting and have ideas instead I encounter lots of clowns.

    Also as stated wanted to get a little more practice with the veneer.

    I also appreciate your sincerity and the fact that you weren't a jerk thanks

    "Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb.
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