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  1. #1

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    Default Looking for an opinion from Parasound owners who have had HCA-1000A and Halo A23

    I am curious to hear from people who have owned both the 1000A and the A23. Is there much sonic difference? I was planning on picking up an A23 but pulled the trigger on a 1000A on a craigslist whim. Wondering if I am really missing out on anything.

    Thanks!

  2. #2

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    I thinking A23 Halo would win, the Halo amps are really built sweet.

    Speakers
    Carver Amazing Fronts
    CS400i Center
    RT800i's Rears
    Sub Paradigm Servo 15

    Electronics
    Conrad Johnson PV-5 pre-amp
    Parasound Halo A23
    Pioneer 84TXSi AVR
    Pioneer 79Avi DVD
    Sony CX400 CD changer
    Panasonic 42-PX60U Plasma
    WMC Win7 32bit HD DVR



  3. #3

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    Quote Originally Posted by adb3da@yahoo.co View Post
    I am curious to hear from people who have owned both the 1000A and the A23. Is there much sonic difference? I was planning on picking up an A23 but pulled the trigger on a 1000A on a craigslist whim. Wondering if I am really missing out on anything.

    Thanks!
    Doubtful there will be any audable difference...go with the best deal.
    "2 Channel & 11.2 HT "
    Panny 65" 3D Plasma
    Yamaha AVENTAGE RX-A3010 AVR
    D>SONIC M2-600M mono's / mains
    Rotel RMB-1095 / 5 channel amp
    Rotel RMB-1075 / 5 channel amp
    TEAC UD - 501 DAC
    Oppo BDP-93
    SONOS System
    KEF Q900 / mains
    KEF Q600 / center
    KEF Q800 / surrounds
    KEF Q100 / rear surr.
    Def Tech ProMonitor 1000 / front & rear presence
    Velodyne SPL-1200R subs / dual pair
    DSPeaker Anti-Mode 8033 sub EQ
    Equitech Balanced Power Son of Q 1.5R
    Extensive room treatments

  4. #4

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    I haven't owned a Halo series amp yet, however I have been a long term owner of a HCA1000. I'm sure in a very intense comparison the Halo would be a better amp, at least everyone who bought one and Parasound hopes that is true! The 1000 is very neutral and needs to be paired with a lively pre in a music system. Mine drives my two LSIC center channel speakers in my HT and sounds very nice in that role.
    DKG999
    -----------------------------------------
    HT System: LSi9, LSiCx2, LSiFX, LSi7, SVS 20-39 PC+, B&K 507.s2 AVR, B&K Ref 125.2, Tripplite LCR-2400, Cambridge 650BD, Signal Cable PC/SC, BJC IC, Samsung 55" LED

    Music System: Magnepan 1.6QR, SVS SB12+, ARC pre, Parasound HCA1500 vertically bi-amped, Jolida CDP, Pro-Ject RM5.1SE TT, Pro-Ject TubeBox SE phono pre, SBT, PS Audio DLIII DAC

  5. #5

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    Quote Originally Posted by dkg999 View Post
    I haven't owned a Halo series amp yet, however I have been a long term owner of a HCA1000. I'm sure in a very intense comparison the Halo would be a better amp, at least everyone who bought one and Parasound hopes that is true! The 1000 is very neutral and needs to be paired with a lively pre in a music system. Mine drives my two LSIC center channel speakers in my HT and sounds very nice in that role.
    I notice in your sig that you also have a 1500. Do you think there is a big step up with the 1500?

  6. #6

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    Quote Originally Posted by disneyjoe7 View Post
    I thinking A23 Halo would win, the Halo amps are really built sweet.

    Agreed... the Halo amps are very, very good
    HT Setup... Pioneer Elite SC-37, Polk Audio SDA-SRS 1.2TL's , Oppo BDP 93
    Two Channel... Carver Statement 450~1 Vacuum Tube Monoblocks, Dodd Mid-line Tube Linestage with Psvane 12Ax7 tubes, Pioneer Pdd 9Mk II SACD Player, Yamaha PX-3 Turntable with Sumiko BPS EvoIII, Polk Audio SDA-SRS 1.2TLs.


    "The problems we face today exist because the people who work for a living are outnumbered by those who vote for a living." Brad Shurett

  7. #7

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    I was poking around on diyaudio.com and found a post by John Curl himself discussing the HCA-1000 and the Halo amps. Here is the quote and below is a link to the thread. It doesn't directly comment as to the difference between the HCA-1000A and the A23, but reading between the lines, it doesn't seem like there are many changes.

    I don't appreciate 'second guessing' my designs. The HCA 1000 is my least expensive design and is quite a bargain, if I say so myself. It is made for home theater use, primarily, and is marginal for quality audio. I use one for home theater reproduction, also powering a subwoofer and A-B rear channels. It does an adequate job, but just barely.
    Serious listeners should get the A21 or the JC-1 monoblocks. That is where I put my best effort.
    The A23 uses my design, but not my direct input. 2 means 2 ch, 3 means cheaper.
    http://www.diyaudio.com/forums/solid...0-upgrade.html

  8. #8

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    The 1500 is a significant step up in sound quality from the 1000.
    DKG999
    -----------------------------------------
    HT System: LSi9, LSiCx2, LSiFX, LSi7, SVS 20-39 PC+, B&K 507.s2 AVR, B&K Ref 125.2, Tripplite LCR-2400, Cambridge 650BD, Signal Cable PC/SC, BJC IC, Samsung 55" LED

    Music System: Magnepan 1.6QR, SVS SB12+, ARC pre, Parasound HCA1500 vertically bi-amped, Jolida CDP, Pro-Ject RM5.1SE TT, Pro-Ject TubeBox SE phono pre, SBT, PS Audio DLIII DAC

  9. #9

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    I have had quiet an interesting learning experience with these two amps.

    When I compared the 1000a and 1500a using M70s as a test bed, the 1500a come out on top without a doubt. I absolutely LOVE what this amp does for my M70s and I think those two are an excellent sonic match.

    but...

    This wasn't the case with my lsi9s. With lsis, the 1000a brings the upper frequencies forward, while the 1500a tends to blend them into the backround, making it seem like the upper frequency detail was coming from somewhere deeper in the box (the speaker). The lsi is already a rather relaxed, laid back speaker and the 1500a has a mellower, deeper and a darker tone than the 1000a. I just felt that the synergy was overall better with 1000a and lsis.

    Go figure... now I have a NAD amp running my lsi setup and this so far has been the best match yet.
    Living Room 7.1 HT Rig:

    M70 | CS2 | M60 | Atrium5 - Surr. | SUB - Emotiva ULTRA12 + Tara Labs sub cable | Pioneer Elite VSX-52 | Parasound HCAs 1000A | Sony BDP-S790 | Belkin PureAV PF60 | MIT Exp2 Wires

    Bedroom 5.0 HT Rig (Music/Movies/Gaming) :

    LSi9 | LsiC | Lsi/fx | Marantz SR7002 | NAD T955 | Sony BDP-S360 | Belkin PureAV PF30 | AQ Blue Racer II ICs & AQ Type 4 wires | PS3

  10. #10

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    Quote Originally Posted by Lietuvis91 View Post
    I have had quiet an interesting learning experience with these two amps.

    When I compared the 1000a and 1500a using M70s as a test bed, the 1500a come out on top without a doubt. I absolutely LOVE what this amp does for my M70s and I think those two are an excellent sonic match.

    but...

    This wasn't the case with my lsi9s. With lsis, the 1000a brings the upper frequencies forward, while the 1500a tends to blend them into the backround, making it seem like the upper frequency detail was coming from somewhere deeper in the box (the speaker). The lsi is already a rather relaxed, laid back speaker and the 1500a has a mellower, deeper and a darker tone than the 1000a. I just felt that the synergy was overall better with 1000a and lsis.

    Go figure... now I have a NAD amp running my lsi setup and this so far has been the best match yet.
    That's interesting. Did you compare the amps with the speakers in the same room?

  11. #11

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    Yes, same room, same speakers, same speaker position, same pre-amp, a true back to back A-to-B test.

    A very seasoned hi-fi store owner in town tells me that my Marantz has a relatively "dark" image pesentation, so if that is true, that may have some influence on what I'm hearing. It's likely that if you pair a yamaha pre-amp with the 1500a and lsis, you might get a different result. I've just never tried a different pre-amp (the vsx-52 in my sig is still unopened in the box).

    Comparing the 1000a & 1500a showed me that the amp has an influence on detail presentation and I began to look for an amp that would bring the detail forward. This is how I ended up with the NAD and couldn't be happier, as this amp did exactly what I had hoped.

    In a way, it's really cool to see John Curl's post where he says that he designed the 1000a for HT. It sort of confirms that what I heard wasn't an anomaly.
    Last edited by Lietuvis91; 05-07-2012 at 10:45 AM.
    Living Room 7.1 HT Rig:

    M70 | CS2 | M60 | Atrium5 - Surr. | SUB - Emotiva ULTRA12 + Tara Labs sub cable | Pioneer Elite VSX-52 | Parasound HCAs 1000A | Sony BDP-S790 | Belkin PureAV PF60 | MIT Exp2 Wires

    Bedroom 5.0 HT Rig (Music/Movies/Gaming) :

    LSi9 | LsiC | Lsi/fx | Marantz SR7002 | NAD T955 | Sony BDP-S360 | Belkin PureAV PF30 | AQ Blue Racer II ICs & AQ Type 4 wires | PS3

  12. #12

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    I think the halo series is mostly a cosmetic upgrade. Specs seem to be very close, as does design when compared to the HCA series.

    The 1500a differs from the 1000a in that it uses a JFET front end; thereby improving sound quality. Add to that the 60 ampere/ch current capability of the HCA-1500A.

    I think you'd have to spend a SIGNIFICANT amount of money to out-class either the Halo or HCA series of amps. I have had a Cary $3500 amp in my setup, and while it was an improvement, it was subtle--and not (IMO) worthy of the extra expense.
    Last edited by steveinaz; 05-07-2012 at 11:11 AM.

    Transport: Oppo BDP-103/USB HDD (flac)
    DAC/Preamp: Benchmark DAC/PRE
    Power Amp: Parasound HCA-1500A
    Speakers: Harbeth Compact 7ES-3 Monitor
    Cables: Kimber Hero/8TC; DH Labs D-75

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