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Thread: 2.1 with a stereo power amp.

  1. #1
    Join Date: Apr 2013

    Location: Barry, South Wales, UK

    Posts: 516
    I'm Rich.

    Default 2.1 with a stereo power amp.

    Hello Av'ers,

    I must apologise if this is a bit of a boring/stupid question.

    I have a 2 channel power amp that I would like to put to use in my other half's TV room, I have a passive Sony Sub and 2 small front channel speakers leftover from an old set up, all three have spring clip terminals. Is there anyway of using the sub and the 2 speakers with just the 2 channels of the power amp?

    Cheers

    Rich.
    Roksan Radius 5, with Linn adikt and Michell Tecnoweight
    Copland CDA 266
    Copland CSA 28
    Squeezebox Touch
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  2. #2
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 37,667
    I'm Grant.

    Default

    they will be high inputs so should be ok ... if it has in and out on sub then its put before the speakers. it should have an adjuster to set the point of the slope you want. it shouldnt affect the impedence of the amp
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    DENON DV2900 - TWIN PRO MONOBLOCK AMPLIFIERS - XIANG SHENG DAC\PRE\HEADPHONE AMP - AVANTREE OASIS CLASS 1 BLUETOOTH - AUDIO TECHNICA ATH-MSR7 & OPPO PM-3 PLANAR HEADPHONES - WIN10 JRIVER23, SPOTIFY PREMIUM - ECHO DOT - SMSL M6 MINIDAC - FULL RANGE TWIN TELEFUNKEN's - Q ACOUSTIC BT3 actives - CANTON SUB - MAINS REGENERATED AND FILTERED.

  3. #3
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 3,754
    I'm Alan.

    Default

    What you need is a sub with some filtering built in. If it has only 2 clips for the input then you need an external filter to send only the low bass to the sub.
    Post a picture of the back of the sub if it has more connections.

  4. #4
    Join Date: Apr 2013

    Location: Barry, South Wales, UK

    Posts: 516
    I'm Rich.

    Default

    Thanks for the input, much appreciated.

    From memory the sub is very basic and only has a single input, it came from a 5.1 set up with an amp that had separate outs for everything.

    I think it might be better to sell the amp (Linn LK140) and buy something more suitable.

    Cheers

    Rich.
    Roksan Radius 5, with Linn adikt and Michell Tecnoweight
    Copland CDA 266
    Copland CSA 28
    Squeezebox Touch
    Impulse Lali
    Van Damme I/Cs and cables

  5. #5
    Join Date: Apr 2013

    Location: Barry, South Wales, UK

    Posts: 516
    I'm Rich.

    Default

    I've just had a quick look on eBay and there are some worryingly cheap T amps that seem to be 2.1. Has anybody has any experience of these? I'm put off them simply because they seem too cheap to be worth buying.
    Roksan Radius 5, with Linn adikt and Michell Tecnoweight
    Copland CDA 266
    Copland CSA 28
    Squeezebox Touch
    Impulse Lali
    Van Damme I/Cs and cables

  6. #6
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 29,346
    I'm Geoff.

    Default

    I have a couple. They work and sound better than you'd expect. At the price, why worry, just try one.

    I buy those without power supplies and poke around the charity shops for wall warts to power them.
    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

  7. #7
    Join Date: Apr 2013

    Location: Barry, South Wales, UK

    Posts: 516
    I'm Rich.

    Default

    Quote Originally Posted by walpurgis View Post
    I have a couple. They work and sound better than you'd expect. At the price, why worry, just try one.

    I buy those without power supplies and poke around the charity shops for wall warts to power them.
    Sound advice, Thanks.

    I ordered one with power supply for 20.

    It's funny how easy it is to get fooled into thinking that good must be expensive.

    Cheers

    Rich.
    Roksan Radius 5, with Linn adikt and Michell Tecnoweight
    Copland CDA 266
    Copland CSA 28
    Squeezebox Touch
    Impulse Lali
    Van Damme I/Cs and cables

  8. #8
    Join Date: Apr 2013

    Location: Barry, South Wales, UK

    Posts: 516
    I'm Rich.

    Default

    Hello again,

    OK, so I've got my 2.1 mini amp on the go, using the optical out of the Samsung virgin TiVo box with a little Fiio DAC in between. The little high end stereo speakers sound nice and clear, but the bass speaker is a bit more distorted than I would have liked. I shall see if I can get pics of the speakers and amps I'm using, but is it likely this is as good as it's going to get? Or would picking up a better quality sub woofer improve things?

    Cheers

    Rich.
    Roksan Radius 5, with Linn adikt and Michell Tecnoweight
    Copland CDA 266
    Copland CSA 28
    Squeezebox Touch
    Impulse Lali
    Van Damme I/Cs and cables

  9. #9
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 37,667
    I'm Grant.

    Default

    If your up on a bit of extra spending the Q Acoustic actives are super little speakers and have a sub out socket, plus line in and optical in. with a sub on and adjusted they sound fantastic. the red or white being on half price offer, or were....
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    DENON DV2900 - TWIN PRO MONOBLOCK AMPLIFIERS - XIANG SHENG DAC\PRE\HEADPHONE AMP - AVANTREE OASIS CLASS 1 BLUETOOTH - AUDIO TECHNICA ATH-MSR7 & OPPO PM-3 PLANAR HEADPHONES - WIN10 JRIVER23, SPOTIFY PREMIUM - ECHO DOT - SMSL M6 MINIDAC - FULL RANGE TWIN TELEFUNKEN's - Q ACOUSTIC BT3 actives - CANTON SUB - MAINS REGENERATED AND FILTERED.

  10. #10
    Join Date: Apr 2013

    Location: Barry, South Wales, UK

    Posts: 516
    I'm Rich.

    Default

    Quote Originally Posted by struth View Post
    If your up on a bit of extra spending the Q Acoustic actives are super little speakers and have a sub out socket, plus line in and optical in. with a sub on and adjusted they sound fantastic. the red or white being on half price offer, or were....
    I probably should have started with a package like that, but as I have bought the Fiio and the cheap amp I feel like I'm halfway down the path.

    Mind you having said that a lack of remote is a major PITA.

    I see Q acoustics do a sub for 120, I may have to have a think about this.
    Roksan Radius 5, with Linn adikt and Michell Tecnoweight
    Copland CDA 266
    Copland CSA 28
    Squeezebox Touch
    Impulse Lali
    Van Damme I/Cs and cables

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