Looking forward to L800 but have concerns, what are your thoughts?

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  • nooshinjohn
    nooshinjohn Posts: 24,906
    edited April 2020
    ...
    The Gear... Carver "Statement" Mono-blocks, Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD

    “When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson
  • mhardy6647
    mhardy6647 Posts: 32,766
    edited April 2020
    There is no replacement for displacement....

    You'll never get any argument from me on that front. :)

    Paul Klipsch once said something to the effect that miniature speakers would be fine -- if they could figure out a way to miniaturize the sound wave from a 32 foot organ pipe*.

    Or words to that effect. B)

    ______________
    * For those of you playing along at home, that's 16 Hz. :#

  • jdjohn
    jdjohn Posts: 2,957
    Sorry if this has already been answered, but was there ever a consensus on whether the L800 require a common-ground amp in order to work properly?
    "This may not matter to you, but it does to me for various reasons, many of them illogical or irrational, but the vinyl hobby is not really logical or rational..." - member on Vinyl Engine
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  • F1nut
    F1nut Posts: 49,595
    They do not need a common ground amp. However, differential balanced amps cannot be used.
    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

  • FTGV
    FTGV Posts: 3,649
    edited April 2020
    According to Stereophile's measurements, the Cambridge was near text book in that it doubled it's output into 4ohms and again an impressive 430watts into 2 ohms. Current limiting doesn't appear to be it's biggest shortcoming. https://www.stereophile.com/content/cambridge-audio-edge-integrated-amplifier
  • Clipdat
    Clipdat Posts: 12,471
    The Cambridge Edge A was never the issue.
  • ZLTFUL
    ZLTFUL Posts: 5,638
    439.gif

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    InsidiousNeighboringCob-small.gif
    "Some people find it easier to be conceited rather than correct."

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  • FTGV
    FTGV Posts: 3,649
    Lol ,it's a tough old horse.
  • ptrooper
    ptrooper Posts: 501
    It took around 300hrs but the L800's are now really sounding effortless!
  • ptrooper
    ptrooper Posts: 501
    edited April 2020
    It’s not M10 but close 😎mmm, either a threaded tube bush to 1/4. 20. Or a mission for a friend 😛. 5hdnso6g0i76.jpeg
    F1nut wrote: »
    Polk typically used 1/4-20 threads, but I think some of the newer stuff is 6mm.





  • F1nut
    F1nut Posts: 49,595
    I'm not following you.
    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

  • pitdogg2
    pitdogg2 Posts: 24,317
    F1nut wrote: »
    I'm not following you.

    He bought/guessed the wrong thread.
  • JayCee
    JayCee Posts: 1,471
    ptrooper wrote: »
    GAIA 2’s. Does any one know the thread size needed on the L800.looks like M10 ,Isoacoustic should supply these.
    JayCee wrote: »
    You might shoot Musicdirect an email as they sell both. They're pretty good at answering Q's.
    F1nut wrote: »
    Either 1/4-20 or 6mm. Best send an email to Polk to be sure.
    pitdogg2 wrote: »
    pull yours off and use a thread gauge to be sure. I'm thinking they would be something like 1/4" x 20 tpi
    pitdogg2 wrote: »
    He bought/guessed the wrong thread.
    Speakers: Polk1.2tl's (Uber Mods) Pre/Amp/DAC: PS Audio BHK Signature & 250, DirectStream Cables/IC's: MIT S1Bi-Wire/S1 Balanced +Avel Lindberg 1000VA "Dreadnought" Power Conditioner: PS Audio P15 Power Plant Power Cords: Core Power Technologies Gold, DH Labs Power Plus DIY w/Neotech NC-P301 & P311ends Streaming: Roon ROCK on wifi'd NUC, TP-Link WAP, & Uptone EtherREGEN, AfterDark, Emperor Double Crown Clock, Black Modernize LPS, PS Audio AirLens⟿Ω☯☥☮⟿🔊♩♪♫♬♩♪♫♬♩♪♫♬
  • ptrooper
    ptrooper Posts: 501
    Sorry F1. Isoacoustics only supply 4 different sizes with their Gaia's so i am considering buying some 3/8 (Size of speaker thread) and drilling and rethreading the centre out to take one of the other smaller sizes.
  • vmaxer
    vmaxer Posts: 5,116
    ptrooper wrote: »
    Sorry F1. Isoacoustics only supply 4 different sizes with their Gaia's so i am considering buying some 3/8 (Size of speaker thread) and drilling and rethreading the centre out to take one of the other smaller sizes.


    Something like this?

    https://www.ezlok.com/e-z-lok-solid-wall-threaded-inserts-for-metal
    Pio Elete Pro 520
    Panamax 5400-EX
    Sunfire TGP 5
    Micro Seiki DD-40 - Lyra-Dorian and Denon DL-160
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    Sunfire CG Sig 405 X 5
    OPPO BDP-83 SE
    SDA SRS 1.2TL Sonicaps and Mills
    Ctr CS1000p
    Sur - FX1000 x 4
    SUB - SVS PB2-Plus

    Workkout room:
    Sony Bravia XBR- 32-Inch 1080p
    Onkyo TX-DS898
    GFA 555
    Yamaha DVD-S1800BL/SACD
    Ft - SDA 1C

    Not being used:
    RTi 38's -4
    RT55i's - 2
    RT25i's -2, using other 2 in shop
    LSI 15's
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    PSW 404
  • ptrooper
    ptrooper Posts: 501
    I tried ordering the correct thread with my first SDA SRS set but had to actually have m10 to m6 made !..reps here just give you the sets they have in supply which carry m10 m8 m6 and 1/4 20 .
    I have just banged out an email directly to Isoacoustics for the 3/8 being L800's to isoacoust GAIA 1,s being M 10.
    Lets seee if they can come up with the goods. : )
    !
    pitdogg2 wrote: »
    F1nut wrote: »
    I'm not following you.

    He bought/guessed the wrong thread.

  • marvda1
    marvda1 Posts: 4,827
    Contact isoacoustic, they have other thread sizes not supplied with the gaias.
    Amplifiers: Norma IPA 140, MasterSound Compact 845, Ayre v6xe, Consonance Cyber 800
    Preamp: deHavilland Ultraverve 3
    Dac: Sonnet Morpheus 2, Musical Paradise mp-d2 mkIII
    Transport: Jay's Audio CDT2 mk2, Lumin U1 mini
    Speakers: Rosso Fiorentino Volterra II
    Speaker Cables: Organic Audio Organic Reference 2
    Interconnects: Argento Organic Reference 2, Argento Organic 2
    Power Cables: Argento Organic Reference, Synergistic Research Foundation 10 and 12 ga.
    Puritan PSM156
  • ptrooper
    ptrooper Posts: 501
    Sadly,Isoacoustic only responded to which ones to buy and ignored the three emails regarding purchasing the necessary thread for the L800 being 3/8.
    Shame as i was actually going to buy a third set as they have a purchase now (until 30th april) here down under and get $200 back for each set purchased.
  • F1nut
    F1nut Posts: 49,595
    What do you need, a 3/8" threaded rod and tap?
    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

  • ptrooper
    ptrooper Posts: 501
    All sorted this side thanks F1, getting a local fellow to fabricate :)
  • mpitogo
    mpitogo Posts: 475
    @ptrooper How are the Gaia with the L800? Have you done anything else to them?

    My latest change was a swap of preamp from a SS C47 to a tube C70. I have them active bi-amp with a 370Hz 24db/oct xover and contemplating pulling out the bass passive crossover. I can actually tri-amp as I ordered the active crossover with the matching polk frequencies (switchable between 2-way and 3-way), and since there is an extra binding post, use them for the tweeter. Only problem is how to power the SDA.
    • Living Room Music-2.0 Polk Legend L800 | McIntosh C70 | McIntosh MA5200 (Treble) | McIntosh MC452 (Bass) | Sublimeacoustic K231 Active xover | Denon DP-2500A | Denafrips Ares II | Belkin Soundform Connect | iPad Air USB to DAC
    • Media Room Ht-7.2.6/13.1 (Atmos/Auro-3D) Polk LSiM707, LSiM706c, LSiM702 F/X [x4], height LSiM703 [x6], HSU VTF-15H MK2 Dual | Marantz AV8805A | Rotel RB-1590 (L/R) | Appollon NC500 11ch | Sony UBP-X800 | AppleTV 4K | JVC RS2100
    • Game Room-5.1 Polk LSi25, LSiC, LSiF/X | Marantz SR7009 | AppleTV 4K | Xbox One S | Sony PS2, PS3 | Nintendo Wii | Gaming PC | Sony 75" LCD
    • Master Bedroom Music-2.0 Totem Hawk | Marantz PM-10 | Marantz SA-10 | SONY PS-HX500
    • Office-2.0 Ascend Acoustics Sierra LX, DSW microPRO3000 | Rotel RA-1570 | Marantz HD-CD1
    • Daughter's Bedroom 1-2.0 TBD Martin Logan Forte
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    • Guest Room 4-2.0 QAcoustics 3030i | Sansui AU-6900 | Topping DX7s | Sansui FR-1080 | TV
    • Maintenance: Pro-Ject VC-S Record Cleaning Machine
  • mpitogo
    mpitogo Posts: 475
    Thanks for the update. The GAIA's really look nice.
    • Living Room Music-2.0 Polk Legend L800 | McIntosh C70 | McIntosh MA5200 (Treble) | McIntosh MC452 (Bass) | Sublimeacoustic K231 Active xover | Denon DP-2500A | Denafrips Ares II | Belkin Soundform Connect | iPad Air USB to DAC
    • Media Room Ht-7.2.6/13.1 (Atmos/Auro-3D) Polk LSiM707, LSiM706c, LSiM702 F/X [x4], height LSiM703 [x6], HSU VTF-15H MK2 Dual | Marantz AV8805A | Rotel RB-1590 (L/R) | Appollon NC500 11ch | Sony UBP-X800 | AppleTV 4K | JVC RS2100
    • Game Room-5.1 Polk LSi25, LSiC, LSiF/X | Marantz SR7009 | AppleTV 4K | Xbox One S | Sony PS2, PS3 | Nintendo Wii | Gaming PC | Sony 75" LCD
    • Master Bedroom Music-2.0 Totem Hawk | Marantz PM-10 | Marantz SA-10 | SONY PS-HX500
    • Office-2.0 Ascend Acoustics Sierra LX, DSW microPRO3000 | Rotel RA-1570 | Marantz HD-CD1
    • Daughter's Bedroom 1-2.0 TBD Martin Logan Forte
    • Guest Room 2-2.0 Klipsch RP-600M | Martin Logan Forte
    • Guest Room 3-3.0 Martin Logan Motion 40, 50XT | Onkyo TX-SR705 | Apple TV | Samsung 55" TV
    • Guest Room 4-2.0 QAcoustics 3030i | Sansui AU-6900 | Topping DX7s | Sansui FR-1080 | TV
    • Maintenance: Pro-Ject VC-S Record Cleaning Machine
  • ptrooper
    ptrooper Posts: 501
    First reflection from rear wall sorted. Sound absorber to me. Art to the miss’s😀oh9qz94bwh5c.jpeg
    vqzopqbje55h.jpeg
  • VR3
    VR3 Posts: 27,873
    I like it!
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
  • Gardenstater
    Gardenstater Posts: 4,097
    ptrooper wrote: »
    @mpitogo ,Sorry for not replying sooner,i didn't notice any notification and i haven't been on for a couple of days,usually i'm logged in 24/7 B)
    Have fun triamping,Can't wait to hear about your gains!
    I have the GAIA 1's on my L800's and four isoacoustic oreo's under my bluray/pre ,these have been in place for around two weeks now. <snip>

    Very nice! What improvements did you notice with those GAIA 1's over spikes on your wood floor? Assuming you tried spikes, that is. If not, what improvements over factory equip?

    George / NJ

    Polk 7B main speakers, std. mods+ (1979, orig owner)
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  • ptrooper
    ptrooper Posts: 501
    @gardenstater.I must admit the original polk spikes with rubber boots supplied do a great job!.I didn't try spikes alone!!!
    The Giai 1's stopped the back and forth motion in less time on the push/bump test but they definitely weren't rigid as if coupled to the floor.They tightened up the bottom end giving nice depth to the soundstage .
    The Oreo's under the JLTI oppo added subtle micro dynamics to the top end giving more air to the sound stage .My oppo 105d JLTI also has a few layers of dynomat installed! :p Inspired by a one of Dark Knight's post' from memory..
    I felt the L800s really relaxed from 700 hrs +,they have 800 clocked in now.
    When seated,our ears aren't at tweeter level !
    With movies,the L800's throw extremely dynamic micro details as if they were coming from other rooms.
    My "stock SDA SRS" didn't sound this good, but i didn't have the SRS from new so the original owner may have tripped them allot!! The tweeter protection would have shut them down at pressure lvls the 800's are doing comfortably.
    The L800's do need more power but they certainly are pillars of sound like their bigger brothers.
    I have recently rugged the wall and was amazed at how it also improved the bottom end .
    The tweeks continue .
  • nooshinjohn
    nooshinjohn Posts: 24,906
    I would have done the crossovers for you for free Warren...
    The Gear... Carver "Statement" Mono-blocks, Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD

    “When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson
  • warren
    warren Posts: 756
    Thank you.
    Some final words,
    "If you keep banging your head against the wall,
    you're going to have headaches."
    Warren