Better Sub or Better Amp?

KingkwasKingkwas Posts: 72
edited November 2017 in Music & Movies
Which one will have a greater effect on my HT setup? A new sub? Or new Amp? Probably need both.
AVR: Marantz SR 5011
L/ R: Polk Audio 703 LSiM (Bi Amp'd)
C: Polk Audio 255c - LS
R: Def Tech
Sub: PSW 505 (12 inch)
DVD: Oppo UDP 203
TV: 2016 Sony XBR 75X850D


  • FestYboyFestYboy Posts: 2,980
    Depends on what you have now.
  • rpf65rpf65 Posts: 1,827
    Get rid of the bi-wire, get good cables and jumpers, add a 2-channel amp.

    I think you're doing more injustice to the 703's by under powering them than whichever movies you watching low end bass.
  • FestYboyFestYboy Posts: 2,980
    Am I missing something? On the mobile app and not seeing a signature. From the above post, I'll assume the 703s are bi-amped on an AVR, and in that case, I'll agree with @rpf65 : use the pre outs and 2 channel your mains with MOAR PaWR!
  • rooftop59rooftop59 Posts: 4,753
    No sigs in the mobile app!!!
    HT Rig:
    Denon AVR-X4200w; Peachtree Audio Nova Integrated; Bryson BPD-1; Mains: Dynaudio Emit 10 + MartinLogan Dynamo (original) sub; Center - Polk cs400i; Heights, Center Surround - Klipsch KHC - 6 In-Ceiling; Surrounds - Monoprice in-ceiling; Sub - SVS PB10-ISD; LG UP870 4K BDP

    Master Bedroom
    Marantz SR-5007; Peachtree Audio NovaPre; Audiosource Amp Two, PSB Imagine B, Boston VR-10 center, NHT Super One CI surrounds, ACI Titan subwoofer, Squeezebox Touch
  • FestYboyFestYboy Posts: 2,980
    rooftop59 wrote: »
    No sigs in the mobile app!!!

    Didn't think so.... Oh well...
  • hochpt21hochpt21 Posts: 5,061
    I would say a better sub.

    An amp would help, but it's not like he's trying to drive some A9's with an AVR or something...
    2 Channel
    Turntable - VPI Scout 1.1/Ortofon 2M Blue
    Integrated Amplifier - Rogue Audio Cronus Magnum II
    Speakers - GoldenEar Triton 2
    7.1 Home Theater
    Denon AVR-X3300W; Rotel RMB-1066; Polk CS350ls, LS90's, FXi3's, RC60i; SVS PC Ultra; BenQ W1070; Elite Screens 120"
    Man Cave
    Turntable - 1) Pro-Ject 2.9 Wood/Grado Gold; 2) Sony PS LX410/Grado Green
    Phono Stage - PS Audio GCPH, Parks Audio Budgie; CD - Marantz DV4001
    Preamp - Dared SL2000a, Luminous Audio Axiom II; Amplifier - Parasound HCA-1500A
    Speakers - SDA 2A (x-overs etc...); Epos Epic 2; Polk Audio Monitor 70 (my first)
  • ThortonThorton Posts: 1,128
    hochpt21 wrote: »
    I would say a better sub.

    An amp would help, but it's not like he's trying to drive some A9's with an AVR or something...

    I agree. For HT and using the 703's, I'd go for the better sub/prefer subs first.
    Source: Sonos - W4S Mod, DAC: W4S DAC-2
    Pre/Pro: Marantz AV8805
    Amp1: W4S MC-5, AMP2: W4S MMC-7
    Front: Salk SoundScape 8's, Center: Salk SoundScape C7
    Surround: Polk FXIA6, Surround Back: Polk RTIA9, Atmos: Polk 70-RT
    Subs: 2 - Rythmik F25's
    IC & Speaker Cables: Acoustic Zen, Wireworld, Signal Cable
    Power Cables: Acoustic Zen, Wireworld, PS Audio
    Room Treatments: GIK Acoustics
  • A better sub, as my experiences :# . It also depends on your needs.
  • obieoneobieone Posts: 5,058
    Better subs; You already have the AVR with 7.2, might as well utilize them with subs with more testosterone.
    Hsu or SVS are good starting points.



    I refuse to argue with idiots, because people can't tell the DIFFERENCE!
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