How My LSiM 707s Sound To Me - A Review
DarqueKnight
Posts: 6,765
Introduction
A pair of LSiM 705s were in my home theater system from April of 2017 to July of 2018.
While I was very pleased with the 705's performance for both music and movies, I never could shake the desire the compare them against the 707s. The conventional wisdom is that the 705s occupy the "sweet spot in the LSiM series, and that the 707s can sound boomy and unbalanced in some rooms. It is reasonable that the 705's smaller size would make it a much better fit for a wider range of room sizes. In my room, which measures 15' wide x 18.5' long x 12' high, the LSiM 707s had more detail, clarity, speed, dynamics, and bass refinement than the 705s.
Figure 1. Side-by-side, LSiM 707 and the smaller LSiM 705.
Setup
The LSiM 707s were set up along the same toe in guides taped to the floor for the 705s. The inner edges of the 707s are 7'-8" apart and each speaker's outer rear corner is 8.5" from the rear wall. Neither speaker is close to a corner. The listener's ears are 12' from the front plane of the speakers. A center line through each speaker forms an isosceles triangle with a base length of 8.5' and sides of 14.5'. The center lines of the speakers cross at a point 1'-10' behind the listener's ears. The center line of each speaker forms an angle of 75 degrees with the triangle base. A bubble level was used to level the speakers laterally and front to back. The ceiling is 12' and there are no room treatments.
The Sound
There was some brightness and hissy sibilance on some songs, but that went away after six hours of continuous play. I was impressed with the sound staging and bass performance immediately.
Prior to critical listening, the LSiM 707s were run in with music and movies for six days straight (144 hours). I heard improvements in midrange detail, image weight, bass detail, bass speed, bass weight and bass articulation up to the third day (72 hours of continuous playback). I did not perceive further changes after the third day.
Summary of improvements over the 705s:
1. Wider and deeper sound stage. Imaging of the 705s did not extend beyond the outer edges of the speakers. The sound stage of the 707s extends 3 feet beyond the speaker outer edges. Projection from the 707's front plane was 2-4 feet depending on recording...same as the 705s. the 707's depth was 1-2 feet further back than the 705's.
2. More image weight at sides of the sound stage.
3. More clarity, detail, and bass weight and definition. Enhanced rumble and growl around bass notes.
4. More cohesive integration with the center channel speaker, which uses the same tweeter, midrange driver, and midwoofer drivers.
5. A more immersive experience with multichannel music.
6. More tactile sensation.
Figure 2. Out with the old. I was prepared for long back and forth sessions between the 705 and 707, but the 707s quickly displaced the 705s.
Figure 3. In with the new. The LSiM 707s brought a significant level of refinement to the sound of two channel music, multichannel music, and 5.1 movie soundtracks.
Packaging
Unlike the case with my LSiM 705s, this time the dealer shipped each speaker in an outer box. The Styrofoam blocks of one speaker were cracked and busted, but the broken pieces still protected the speaker because they were held tightly in place by the shipping carton and by being taped to the sides of the plastic bag surrounding the speakers. Inside the box, the speakers were wrapped in a cloth sock and then a plastic bag.
Figure 4. LSiM 707 shipping boxes.
Figure 5. LSiM 707 manufacturer's cartons.
Figure 6. Busted Styrofoam of one speaker.
A pair of LSiM 705s were in my home theater system from April of 2017 to July of 2018.
While I was very pleased with the 705's performance for both music and movies, I never could shake the desire the compare them against the 707s. The conventional wisdom is that the 705s occupy the "sweet spot in the LSiM series, and that the 707s can sound boomy and unbalanced in some rooms. It is reasonable that the 705's smaller size would make it a much better fit for a wider range of room sizes. In my room, which measures 15' wide x 18.5' long x 12' high, the LSiM 707s had more detail, clarity, speed, dynamics, and bass refinement than the 705s.
Figure 1. Side-by-side, LSiM 707 and the smaller LSiM 705.
Setup
The LSiM 707s were set up along the same toe in guides taped to the floor for the 705s. The inner edges of the 707s are 7'-8" apart and each speaker's outer rear corner is 8.5" from the rear wall. Neither speaker is close to a corner. The listener's ears are 12' from the front plane of the speakers. A center line through each speaker forms an isosceles triangle with a base length of 8.5' and sides of 14.5'. The center lines of the speakers cross at a point 1'-10' behind the listener's ears. The center line of each speaker forms an angle of 75 degrees with the triangle base. A bubble level was used to level the speakers laterally and front to back. The ceiling is 12' and there are no room treatments.
The Sound
There was some brightness and hissy sibilance on some songs, but that went away after six hours of continuous play. I was impressed with the sound staging and bass performance immediately.
Prior to critical listening, the LSiM 707s were run in with music and movies for six days straight (144 hours). I heard improvements in midrange detail, image weight, bass detail, bass speed, bass weight and bass articulation up to the third day (72 hours of continuous playback). I did not perceive further changes after the third day.
Summary of improvements over the 705s:
1. Wider and deeper sound stage. Imaging of the 705s did not extend beyond the outer edges of the speakers. The sound stage of the 707s extends 3 feet beyond the speaker outer edges. Projection from the 707's front plane was 2-4 feet depending on recording...same as the 705s. the 707's depth was 1-2 feet further back than the 705's.
2. More image weight at sides of the sound stage.
3. More clarity, detail, and bass weight and definition. Enhanced rumble and growl around bass notes.
4. More cohesive integration with the center channel speaker, which uses the same tweeter, midrange driver, and midwoofer drivers.
5. A more immersive experience with multichannel music.
6. More tactile sensation.
Figure 2. Out with the old. I was prepared for long back and forth sessions between the 705 and 707, but the 707s quickly displaced the 705s.
Figure 3. In with the new. The LSiM 707s brought a significant level of refinement to the sound of two channel music, multichannel music, and 5.1 movie soundtracks.
Packaging
Unlike the case with my LSiM 705s, this time the dealer shipped each speaker in an outer box. The Styrofoam blocks of one speaker were cracked and busted, but the broken pieces still protected the speaker because they were held tightly in place by the shipping carton and by being taped to the sides of the plastic bag surrounding the speakers. Inside the box, the speakers were wrapped in a cloth sock and then a plastic bag.
Figure 4. LSiM 707 shipping boxes.
Figure 5. LSiM 707 manufacturer's cartons.
Figure 6. Busted Styrofoam of one speaker.
Proud and loyal citizen of the Digital Domain and Solid State Country!
Comments
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Quantitative Analysis - In-depth Findings
My technical curiosity typically leads me to attempt to gain some quantitative understanding why I hear what I hear from a particular audio product.
Frequency response, harmonic distortion, and bass decay measurements were taken with the Dayton Audio OmniMic system version 1 ($298). The improved version 2 OmniMic system is the same price.
Figure 7. Dayton Audio OmniMic setup. The calibrated microphone was setup at ear height at the center listening position on one of my camera tripods. The current version 2 OmniMic system includes a microphone stand.
Figure 8. LSiM 707 frequency response at center listening position.
The frequency response in this untreated room was very good and was perceived by my ears to be very balanced and flat across the frequency spectrum. Although there are peaks and dips in the response, there are also peaks and dips in human hearing response.
I could achieve smoother frequency response with the judicious placement of room treatments...but they wouldn't be very aesthetically pleasing. For now, I will hold off on the room treatments until a future time when I am more dedicated to home theater than I am now...and when I have a dedicated theater room.
Figure 9. Equal Loudness Contour at the human threshold of hearing.
The human ear is most sensitive to the 1000 Hz to 4000 Hz range of frequencies in the human voice band. It is least sensitive to bass frequencies. The equal loudness contour is a set of curves that describe how much sound pressure is required at different frequencies in the audio range in order to be perceived as equal in loudness. The curve shown in figure 9 is the lowest of the equal loudness curves and describes equal loudness requirements at the threshold of human hearing. For example, a 2000 Hz sound would require about 5 dB of sound pressure to be at the threshold of human hearing. For a bass sound at 31.2 Hz to have the same loudness, it would have to have about 55 dB of sound pressure
Figure 10. The LSiM 707 harmonic distortion plot shows the relative levels of 2nd, 3rd, 4th, and 5th harmonic to frequency.
The color coded lines in the harmonic distortion plot represent the following:
Black - frequency response.
Dark blue - sum of 2nd-5th harmonics.
Red - 2nd harmonic.
Purple - 3rd harmonic.
Green - 4th harmonic.
Light blue - 5th harmonic.
Harmonic distortion was low and was dominated by second order products, which add a measure of "fullness" to the sound since they are the same frequencies as the fundamentals, just one octave higher.
Figure 11. LSiM 707's bass decay characteristics were relatively flat and well behaved, contributing to clear, articulate, and tactile bass response.
Bass decay plots show how long it takes the sound to decay at each frequency. The ideal situation is flat response which means that some bass notes do not last much longer than others. Significant differences in decay times and very long decay times can cause a decrease in bass definition. Lower and flatter is better. For reference, compare the not-as-nice bass decay plot of the SDA CRS+ speakers in my office at work (figure 12).
Figure 12. Bass decay plot of SDA CRS+ speakers in office at work.
Tweaks
With the 707s, I revisited using better jumpers between the low and high frequency binding posts. With the 705s, I heard a small improvement when going from the stock jumpers to jumpers made of AudioQuest GO-4 speaker cable and terminated with AudioQuest gold plated BFA bananas. With the 705s, I did not hear a difference when I went from the GO-4 jumpers to the AudioQuest Perfect Surface Copper jumpers. With the 707s, I heard more clarity and detail with the Perfect Surface Copper jumpers. It was if the volume had been turned up a little bit.
Figure 13. AudioQuest Perfect Surface Copper jumpers.
Figure 14. That's better: AudioQuest jumpers installed.
Figure 15. Such Good Sound!
Further Study
It's interesting to note that this home theater upgrade project began as an exercise in downsizing. I did downsize the front speakers from SDA SRSs to LSiM707s and the surround speakers were downsized from LSi15 towers to LSiM 702 F/X wall mounts. However, there were substantial upgrades in amplifiers, the preamp/processor, interconnects, and in source components. The only thing left to do now is replace the Monster speaker cables (used with the front and center channel speakers) with Douglass Connection DCF92 cables.
Associated Equipment
Pioneer Elite Kuro PRO-151FD Plasma Television
Tivo HD XL Digital Video Recorder
Yamaha CX-A5100 Preamp Processor
Oppo UDP-205 Blu-ray Player
Synology DS918+ NAS
Bryston BDP-1 Digital Player
Revelation Audio Labs Dual Conduit USB Cable1.25m
PS Audio PerfectWave P5 AC Regenerator For Source Components And TV
PS Audio PerfectWave P10 AC Regenerator For Prepro And Power Amps
PS Audio PerfectWave AC-5 Power Cords For AC Regenerators
Two 20 Amp Dedicated AC Circuits
PS Audio Soloist SE In-Wall Power Cond. For AC Circuit #1
PS Audio Soloist SE In-Wall Power Cond. For AC Circuit #2
PS Audio Statement SC Power Cords, 2m - 7 Total (PrePro, Front Amp, Center Amp, BDP-1
Surround Amp, Blu-ray, TV)
Adcom GFA-565 SE Power Amp (250 wpc) Surround Speakers
Adcom GFA-565 SE Power Amp (250 wpc) Front Speakers
Adcom GFA-565 SE Power Amp (250 wpc) Center Speakers
Polk Audio LSiM 706C Center Channel Speaker (Biwired)
Polk Audio LSiM 707 Front Speakers
Polk Audio LSiM 702 F/X Surround Speakers
SVS PB12 Ultra/2 Subwoofer
PS Audio xStream Plasma Power Cord For Subwoofer
Signal Cable Silver Resolution Reference XLR Interconnects for Power Amplifiers
DSR Silverline (9 Gauge) 36 Foot Pair For Surround Speakers
Salamander Quad 30 Audio/Video Cabinet
50 Feet/Side Monster UL/CL3 In-Wall 12 Gauge Speaker Cable For Surround Speakers
36 Foot Blue Jeans LC-1 CM Rated In-Wall Subwoofer Cable
AudioQuest Cinnamon HDMI 2.0 Cable 2m Prepro To TV
AudioQuest Cinnamon HDMI 2.0 Cable 2m Prepro To Blu-Ray
Straightwire Select HDMI Cable 1m Tivo To Prepro
Monster Z3 Reference Speaker Cable 10 Feet/Side Cen. Spk.
Monster Z3 Reference Speaker Cable 15 Feet/Side Fr. Spk.
References
LSiM 705 Review:
http://forum.polkaudio.com/discussion/176867/another-lsim-705-review
Five Speaker Jumper Comparisons For The SDA SRS 1.2TL
http://forum.polkaudio.com/discussion/160408/five-speaker-jumper-comparisons-for-the-sda-srs-1-2tl/p1
Douglas Cable DCF-92 Speaker Cable Review
http://forum.polkaudio.com/discussion/168833/douglas-connection-furez-dcf92-speaker-cables-review
Proud and loyal citizen of the Digital Domain and Solid State Country! -
Great review.
I am curious to know if you would trial again in a room better suited for the 705s.
I assume the 705s would perform better in a smaller overall space. -
As the 705s are boxed and stored, it will probably be a while before I listen to them again.Proud and loyal citizen of the Digital Domain and Solid State Country!
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Perhaps if you upgraded the tweeter to the world renowned SL2500, the 705's would have performed better...The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 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 -
Thanks for the professional review.Some final words,
"If you keep banging your head against the wall,
you're going to have headaches."
Warren -
nooshinjohn wrote: »Perhaps if you upgraded the tweeter to the world renowned SL2500, the 705's would have performed better...
Since I have a few SL2500s on hand, I'll try that mod and see how it works. However that experiment will have to wait until a future time...when I am more dedicated to audio than I am now.
I hope I didn't give the impression that I didn't like the 705s. I did and I still do. It's just that they were outgunned by the 707s...which currently sit in Polk's "flagship" position.
Proud and loyal citizen of the Digital Domain and Solid State Country! -
thanks for the review - now I'm wondering if I should have jumped on a pair when the sale was on...
Also - did you ever do a review of the 702's? -
Of course you should have...you could have sent them back if they didn't work out. I bought mine strictly out of curiosity.Proud and loyal citizen of the Digital Domain and Solid State Country!
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I knew if I purchased the 705’s I would always wonder about the 707’s, that’s why I went with the 707’s despite the praise of the 705’s being a better over all speaker.
I have had no regrets, when they opened up they superseded all my expectations, and destroyed my RTiA9’s so I am happy with the move...
Thanks for the review DK, it is nice to see one where the 707’s came out on top..Polk Audio SDA 2.3tl Fully Hot Rodded. 😎
SVS SB16 X2
Cary SLP-05/Ultimate Upgrade.
Cary SA-500.1 ES Amps
Cary DMS 800PV Network
OPPO UDP 205/ModWright Modification
VPI Scout TT / Dynavector 20x2
Jolida JD9 Fully Modified
VPI MW-1 Cyclone RCM
MIT Shotgun 3 cables throughout / Except TT, and PC’s -
But if I had bought the 707s, I would have always wondered if the 705s would be better since they are reputed to be the better overall speaker. That's why my original plan was to evaluate them both. However, I was so happy with the 705s that I put off the 707 comparison for a long time.Proud and loyal citizen of the Digital Domain and Solid State Country!
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In addition to these comments regarding the bass: "More clarity, detail, and bass weight and definition. Enhanced rumble and growl around bass notes." - do you feel that the bass response now extends lower and reproduces deeper frequencies than the 705s?
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Yes. There is also more tactile sensation due to the 707's larger drivers and larger cabinet. The specs of each are as follows:
705
Overall FR: 22 - 40 kHz
3db FR: 42 - 30 kHz
707
Overall FR: 20 - 40 kHz
3db FR: 38 - 30 kHz
The 707 goes a little lower in the bass range than the 705, but that's not all there is to it. Since the 707 is essentially a larger version of the 705, the 707 can reproduce the same bass frequencies with less effort and with more of the overtone structure intact.Proud and loyal citizen of the Digital Domain and Solid State Country! -
.
Also - did you ever do a review of the 702's?
Not a separate review, but they are mentioned in figures 23 and 25 of this thread:
https://forum.polkaudio.com/discussion/176162/downsizing-home-theater-5-1-to-3-1
Proud and loyal citizen of the Digital Domain and Solid State Country! -
Thank you for the review. Very pro
I sit 8’ away from my 705’s
I would imagine 707’s would overpower in that arrangement. Otherwise I would have done the same thing when that Adorama sale came around -
Awesome and really comprehensive review. I've only had a chance to listening to the LSiM705s which I thought were excellent. Very curious to try the big brothers now.
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Outstanding review ..as always.
Always good to hear from some one who actually has both sets of speakers share their experience.
Only bad thing is that now you have my interest piqued!!
One has to stay off these boards AMP/Pre Pro: Outlaw 7000x, Marantz AV7703
Speakers: Fronts:LSiM 705s/ Center: LSiM 706c / Surrounds: LSim 703s
SUB: Rythmik LV12R x2
Source:OPPO UDP-203 -
One has to stay off these boards
LOL, one can only do that for so long. As it turns out, I've been off this board for some time, and now, I'm looking to see which direction to head for with my 703's and 706. After some minor research, and now this thread, I believe my direction is clear cut.
Thank you Mr. Knight, for your precision and insight!!
Source: BRP Panasonic UB9000, CDP Emotiva ERC3 - Display: LG OLED EVO 83 C3 - Pre/Pro: Marantz 8802A - Amplification: Emotiva XPA-DR3, XPA-2 x 2, XPA-6, Speakers, Mains/2ch-Focal Kanta No2's, C-LSiM706, S-702F/X, RS-RTiA9's, WS-RTiA9's, FH-RTiA3's, Subs - Epik Empire x 2
Cables: AudioQuest McKenzie XLR's/CDP/Amp, Carbon 48/BRP, Forest 48/Display, 2 channel speaker cable: Furutech FS Alpha 36 12AWG PCOCC Single Crystal (Douglas Connection)
EXPERIENCE: next to nothing, but I sure enjoy audio and video MY OPINION OF THIS HOBBY: I may not be a smart man, but I know what quicksand is.
When I was young, I was Superman but now that old age has gotten the best of me I'm only Batman -
Wonderful review. Thanks for documenting what I 'thought' I heard. Personally, I don't think the 707s are boomy at all. At least, not to me or in my environment. They could be used for HT alone if one wished. Maybe I'm too tainted by Cerwin-Vegas during my teens.
I was satisfied, but, now you have me thinking I need to rework the jumpers.
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One has to stay off these boards
LOL, one can only do that for so long. As it turns out, I've been off this board for some time, and now, I'm looking to see which direction to head for with my 703's and 706. After some minor research, and now this thread, I believe my direction is clear cut.
Thank you Mr. Knight, for your precision and insight!!
Welcome back bro! -
@DarqueKnight,
As always, a great, highly informative review.
When we attended the last Polk Fest in Baltimore, I remember listening to the 707s, which really impressed me then.
Now, I'm really curious about how you would compare their sound to the SDA SRS 1.2tls -- heavily modded, as I recall -- that it seems they replaced.
Any thoughts?
Family Room, Innuos Statement streamer (Roon Core) with Morrow Audio USB cable to McIntosh MC 2700 pre with DC2 Digital Audio Module; AQ Sky XLRs to CAT 600.2 dualmono amp, Morrow Elite Speaker Cables to NOLA Baby Grand Reference Gold 3 speakers. Power source for all components: Silver Circle Audio Pure Power One with dedicated 20 amp circuit to main panel.
Exercise Room, Innuos Streamer via Cat 6 cable connection to PS Audio PerfectWave MkII DAC w/Bridge II, AQ King Cobra RCAs to Perreaux PMF3150 amp (fully restored and upgraded by Jeffrey Jackson, Precision Audio Labs), Supra Rondo 4x2.5 Speaker Cables to SDA 1Cs (Vr3 Mods Xovers and other mods.), Dreadnaught with Supra Rondo 4x2.5 interconnect cables by Vr3 Mods. Power for each component from dedicated 20 amp circuit to main panel, except Innuos Statement powered from Silver Circle Audio Pure Power One. -
I could be wrong but i don't believe the 707's replaced the 1.2tls at all. I remember a thread somewhere, where he was at an audio show trying to find a pair of speakers to replace or match his modded 1.2tl's and had a hard time especially at a reasonable price....once again, I could be wrong
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Moose68Bash wrote: »
Now, I'm really curious about how you would compare their sound to the SDA SRS 1.2tls -- heavily modded, as I recall -- that it seems they replaced.
Any thoughts?
The home theater system had heavily modified SDA SRSs. The two channel system has heavily modified SDA SRS 1.2TLs.
Regarding the comparison of sound between the SRSs and the 707s, the thing that first comes to mind is a visual analogy. With regard to front stage size, the 707s are like watching a movie on a nice 60 inch high definition display. The SRSs are like watching the same movie on a nice 100 inch high definition projection screen.
I've noticed that taller speakers have more of a "pull up" effect on a center channel located below a television. With the very tall SRSs, dialog appeared to come from the vertical center of the TV screen, even though the center channel speaker was well below the screen. With the LSiM 705s, dialog shifted to the bottom of the TV screen. With the taller LSiM 707s, the dialog shifted back closer to the screen's vertical center.
The SRSs were a good timbre match for the LSiM 706c center. The 707s are an exact match. I gave up front stage size by going to the 707s, but I gained a seamless a cohesive front stage, and tight integration among the center, front, and surround speakers.
With regard to image weight, clarity, detail, and bass performance, the 707s are closer to the modified SRSs, to the point where I don't miss the SRSs. With the 705s, I never quite "got over" the SRSs, and I would often be reminded of how something sounded with the SRSs by noting a glaring difference in the 705s sound stage size or image weight.
Home theater with SDA SRS front speakers.
Home theater with LSiM 707 front speakers.I could be wrong but i don't believe the 707's replaced the 1.2tls at all. I remember a thread somewhere, where he was at an audio show trying to find a pair of speakers to replace or match his modded 1.2tl's and had a hard time especially at a reasonable price....once again, I could be wrong
You are correct. Those threads are referenced below.
References
Downsizing Home Theater:
http://forum.polkaudio.com/discussion/176162/downsizing-home-theater-5-1-to-3-1/p1
My Search For The "Perfect" Loudspeaker:
http://forum.polkaudio.com/discussion/comment/2406222
http://forum.polkaudio.com/discussion/comment/2406630#Proud and loyal citizen of the Digital Domain and Solid State Country! -
So whats going on with the 705's?Dan
My personal quest is to save to world of bad audio, one thread at a time. -
Last I heard they were in their boxes enjoying their early retirement.Proud and loyal citizen of the Digital Domain and Solid State Country!
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@DarqueKnight ,
Thank you for both clearing up my confusion and characterizing differences and similarities between the SRSs and 707s.
It sounds like the 1.2tls would not remedy the deficiencies of the SRSs in the home theater system, although they might be stronger in areas where the SRSs bested the 707s.
Family Room, Innuos Statement streamer (Roon Core) with Morrow Audio USB cable to McIntosh MC 2700 pre with DC2 Digital Audio Module; AQ Sky XLRs to CAT 600.2 dualmono amp, Morrow Elite Speaker Cables to NOLA Baby Grand Reference Gold 3 speakers. Power source for all components: Silver Circle Audio Pure Power One with dedicated 20 amp circuit to main panel.
Exercise Room, Innuos Streamer via Cat 6 cable connection to PS Audio PerfectWave MkII DAC w/Bridge II, AQ King Cobra RCAs to Perreaux PMF3150 amp (fully restored and upgraded by Jeffrey Jackson, Precision Audio Labs), Supra Rondo 4x2.5 Speaker Cables to SDA 1Cs (Vr3 Mods Xovers and other mods.), Dreadnaught with Supra Rondo 4x2.5 interconnect cables by Vr3 Mods. Power for each component from dedicated 20 amp circuit to main panel, except Innuos Statement powered from Silver Circle Audio Pure Power One. -
Moose68Bash wrote: »
It sounds like the 1.2tls would not remedy the deficiencies of the SRSs in the home theater system, although they might be stronger in areas where the SRSs bested the 707s.
I agree.
If I had a dedicated theater room, I would go back to SRS fronts, dual CRS+ centers, and CRS+ surround speakers.
This will do for now.
Proud and loyal citizen of the Digital Domain and Solid State Country! -
Great read, thanks for sharing. The one and only time I've demoed the 707's was at the 2016 AXPONA show. Emotiva had a large theater demo using all LSiM speakers, and SVS subs. I thought they performed well in that application.
Post edited by WLDock on2.2 Office Setup | LG 29UB55 21:9 UltraWide | HP Probook 630 G8 | Dell Latitude | Cabasse Stream Amp 100 | Boston Acoustics VS 240 | AUDIORAX Desk Stands | Mirage Omni S8 sub1 | Mirage Omni S8 Sub2 -
Very detailed. Thanks for sharing.
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Thanks for the review. I feel the same way. Mine came directly from Polk on a pallet so no styrofoam damage. They where minty mint!
Testing out ARC
- Living Room Music-2.1 Polk Legend L800 | SVS SB1000Pro | McIntosh C70 | McIntosh MA5200 (Treble) | McIntosh MC452 (Bass) | Sublimeacoustic K231 Active xover | Denon DP-2500A | Denafrips Ares II | Marantz HD-CD1 | Belkin Soundform Connect | iPad Pro USB to DAC
- Home Theater-9.7.6/15.1 (Atmos/Auro-3D) Polk LSiM707, LSiM706c, LSiM702 F/X [x6], Height LSiM703 [x6], HSU ULS-15Mk2x4, VTF-15HMk2x2, VTF-TN1 | Trinnov Altitude 16+4 (2024) | Rotel RB-1590 (L/R) | Appollon NC500 11ch | Martin Logan MP500x2 | Topping DX7s, E50 | AppleTV 4K | Zidoo Z9X | JVC RS2100 | 150” Elite Screen Acoustic Pro UHD
- Game Room-5.1 Polk LSi25, LSiC, LSiF/X | Marantz SR7009 | AppleTV 4K | Sony UBP-X800 | 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-2.1 B&W Formation Duo and Bass
- Orphans Ascend Acoustics Sierra LX | DSW microPRO3000x2 | Rotel RA-1570 | Marantz AV8805A
- Daughter's Bedroom 1-2.0 TBD Martin Logan Forte | Roku TV
- Guest Room 2-2.0 Klipsch RP-600M | SMSL DO100 Pro 2 | Pass ACA v1.6 Monoblocks
- 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 | Sansui FR-1080 | Fire TV
- Maintenance: Pro-Ject VC-S Record Cleaning Machine
