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Thread: High End battery solution for the TC-7533 Bushmaster MKII

  1. #571
    Join Date: Feb 2008

    Location: http://www.homehifi.co.uk

    Posts: 5,996

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    It will take a lot more money than that to beat the SQ of a fully charged battery. But those Chinese linear power supplies are not that bad. I have been using one.
    But if you do not mind the complicated looks, then a laboratory power supply is worth considering. Such as http://www.ebay.co.uk/itm/220V-DC-Di...4AAOSwvzRXx~jt
    I use one of those most of the time, set at 15V. They tend to have noise figures of 3mV or less, which surpasses any of the regular Chinese PSU discussed in this thread and others, but are about the same price!! Only the LDO (lurcher) and Mark Grant linear power supplies beat that 3mV noise level. For the cautious user who knows how to set the voltage level on the front panel, it is an option thinking about. I use my modified Capella at exactly 16V with my laboratory PSU.

  2. #572
    Join Date: Jan 2017

    Location: Dalgety Bay, Fife

    Posts: 18
    I'm Derek.

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    Quote Originally Posted by StanleyB View Post
    It will take a lot more money than that to beat the SQ of a fully charged battery. But those Chinese linear power supplies are not that bad. I have been using one.
    But if you do not mind the complicated looks, then a laboratory power supply is worth considering. Such as http://www.ebay.co.uk/itm/220V-DC-Di...4AAOSwvzRXx~jt
    I use one of those most of the time, set at 15V. They tend to have noise figures of 3mV or less, which surpasses any of the regular Chinese PSU discussed in this thread and others, but are about the same price!! Only the LDO (lurcher) and Mark Grant linear power supplies beat that 3mV noise level. For the cautious user who knows how to set the voltage level on the front panel, it is an option thinking about. I use my modified Capella at exactly 16V with my laboratory PSU.
    Thanks for the info and yes that's a challenging look!

    If I can get a pointer towards a decent battery that's available and will do the job I think I'd be sorted, the idea of that appeals to me as just being right.


  3. #573
    Join Date: May 2012

    Location: Maidstone

    Posts: 1,003
    I'm James.

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    Quote Originally Posted by Duffy View Post
    Thanks for the info and yes that's a challenging look!

    If I can get a pointer towards a decent battery that's available and will do the job I think I'd be sorted, the idea of that appeals to me as just being right.

    Yes I would second this
    Source: Heavily modified DDDAC using MacBook Pro.
    Amplification: Pre amp-Stereo Coffee pre amp on steroids.
    Power amp- Rather large Colin Wonfor Class A power Amp
    Speakers: Lampizator P17 Open Baffles
    Accessories: Klotz 500 DIY Interconnects & DIY speaker cable sounding better than anything commercial.
    All powered from a Mother Trucker BPS with a dedicated consumer unit with 10mm armoured radial back to the house tails after the meter.

  4. #574
    Join Date: May 2012

    Location: Maidstone

    Posts: 1,003
    I'm James.

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    Just bought the Lab top PSU Stan linked to, Ill report my findings
    Source: Heavily modified DDDAC using MacBook Pro.
    Amplification: Pre amp-Stereo Coffee pre amp on steroids.
    Power amp- Rather large Colin Wonfor Class A power Amp
    Speakers: Lampizator P17 Open Baffles
    Accessories: Klotz 500 DIY Interconnects & DIY speaker cable sounding better than anything commercial.
    All powered from a Mother Trucker BPS with a dedicated consumer unit with 10mm armoured radial back to the house tails after the meter.

  5. #575
    Join Date: Jan 2011

    Location: Wiltshire

    Posts: 80
    I'm Alastair.

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    I bought one of the 15V Chinese Linear PSU's Stan recommended. It arrived after several weeks and works very well with my SEG and sounds as good as when using an Anker battery.

    About the same time, one of the Lithium Polymer batteries I was using to power my Temple Audio monoblocks swelled and died. After some research I bought a 16AH 12V Tracer Lithium Ferrophosphate (LiFePO4) battery pack (which actually puts out 12.8V). As an experiment I connected the SEG to this as well. I have to say the combination is exceptional - more dynamic sound, much wider and deeper sound stage. At over 200 the battery is not cheap but if you need one to power other components anyway its worth a try (Tracer sell smaller batteries down to 3.5 AH for 120, this is about the same AH capacity at 12V as a 10000 mAH Li Polymer battery).
    Regards

    Alastair

    RPi3 & piCorePlayer, Ankaka Battery -> Beresford Caiman II DAC (with Venom & Gator Mod) -> Beresford Capella as Pre-Amp -> 4x Temple Audio Monoblocks ->Van Damme Black Bi-Wired to B&W 804 Nautilus and Van Damme Interconnects (everything battery powered)

  6. #576
    Join Date: May 2012

    Location: Maidstone

    Posts: 1,003
    I'm James.

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    Really interesting findings Alastair.
    I also bought the LAB style linear PSU and the results compared to the standard PSU with the unit were much better than expected. I did cause some damage to my DAC though as I didn't set it up correctly.
    Are you saying that the new battery that you bought is better than the Linear PSU?
    Thanks mate, enjoy the experimenting.
    Source: Heavily modified DDDAC using MacBook Pro.
    Amplification: Pre amp-Stereo Coffee pre amp on steroids.
    Power amp- Rather large Colin Wonfor Class A power Amp
    Speakers: Lampizator P17 Open Baffles
    Accessories: Klotz 500 DIY Interconnects & DIY speaker cable sounding better than anything commercial.
    All powered from a Mother Trucker BPS with a dedicated consumer unit with 10mm armoured radial back to the house tails after the meter.

  7. #577
    Join Date: Jan 2011

    Location: Wiltshire

    Posts: 80
    I'm Alastair.

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    Yes powering the SEG with the LiFePO4 battery is better than the linear PSU, which is certainly no slouch. I was also considering a Lab Style PSU to drive my monoblocks but for the current I would need, the PSU's kick out a lot of heat and had fans etc.
    Regards

    Alastair

    RPi3 & piCorePlayer, Ankaka Battery -> Beresford Caiman II DAC (with Venom & Gator Mod) -> Beresford Capella as Pre-Amp -> 4x Temple Audio Monoblocks ->Van Damme Black Bi-Wired to B&W 804 Nautilus and Van Damme Interconnects (everything battery powered)

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