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Thread: Wrong power supply ???? Advice needed

  1. #1
    Join Date: Jul 2011

    Location: lancashire

    Posts: 792
    I'm brian.

    Default Wrong power supply ???? Advice needed

    I have one of those AMPTASTIC amps. One of those tiny little things about the size of my hand.

    Ive had it for ages but never really used it. It sounds great for what it is, and seems to work perfectly, but the power supply gets hot!!! (Not the actual amp )

    I remember some guys telling me it was the wrong power supply, but I cant remember who they were, or what they said.

    So, Iím looking for advice on what replacement power supply I need to buy to feel safer !!

    On the back of the amp it says.... 12vDC

    On the present power supply it says..... INPUT 100-240v- 0.5A
    50-60HZ. 40-60VA
    OUTPUT - 12v- 1.5A

    That means nothing to me, but hopefully someone can advise me.
    Even better would be if they could link me to what I need.

    Thanks

  2. #2
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 41,840
    I'm Geoff.

    Default

    I think you need a bigger power supply. 4 amps should be OK.
    "when common sense, logic and plausibility are excluded. All that remain are foolishness and lies"

  3. #3
    Join Date: Sep 2013

    Location: North Island New Zealand

    Posts: 1,451
    I'm Chris.

    Default

    The recommended power supply looks to be here: https://www.amptastic.com First though just email amptastic to seek their advice for your exact model.

  4. #4
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

    Posts: 11,550
    I'm Jerry.

    Default

    Jerry

    i. Qobuz internet streaming > Audiobyte Black Dragon DAC > LP 0-L1 amp > MBL 116F speakers
    Cables : Wyreworld Starlight USB, VdH The Bay C5 interconnect, W&M LS-06 speaker cables.
    USB signal pampering : Wired4Sound Recovery & Halide Bridge.
    Headphones : PSB M4U 1, Beyerdynamic DT 250, Stax SR3

    ii Internet streaming > Audiolab MDAC > Marantz HD-AMP1 > Infinity Cascade 9 speakers & Jamo SUB200

  5. #5
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 41,840
    I'm Geoff.

    Default

    Or this one that I use with my TPA3116 amps. It has selectable voltage and multiple plugs to choose from, so should fit.

    https://www.ebay.co.uk/itm/96W-Unive...item260667e63d
    "when common sense, logic and plausibility are excluded. All that remain are foolishness and lies"

  6. #6
    Join Date: Jun 2014

    Location: Chorley Lancs

    Posts: 4,897
    I'm Steve.

    Default

    The power supply for my Amptastic Mini-1 has the following spec printed on it:

    AMPTASTIC Switch Mode Power Supply

    P/N: T5499RW

    MODEL: 3A-603DB12

    INPUT: 100-240V~
    50/60Hz 1.5A

    OUTPUT: +12V 5A

    It has been left on for 18 months now and is cool to the touch.

    Hope this helps.
    Pining for the fjords? What kind of talk is that? And why did he fall flat on his back the minute I got him home?

    T/T: Inspire Monarch, X200 tonearm, Ortofon 2M Black. Phono: Yaqin MS-22B CD: Densen Beat B400 Plus; Headphone/pre: Myryad Z40; Amp: Audion Silver Night 300b stereo
    Speakers: Zu Omen Def. Atlas Equator interconnects, Atlas Hyper 3.0 speaker cables

    T'other system:
    Echo Dot, Amptastic Mini-1, Celestion 5's, BK XLS-200 DF

    A/V:
    Panasonic 42" plasma, Panasonic Blu Ray, Sony a/v amp, MA Radius speakers, REL Storm sub

  7. #7
    Join Date: Jul 2017

    Location: Kent

    Posts: 456
    I'm Paul.

    Default

    I run mine off a 12v battery and it sounds superb. Started with a little 7ah battery and now onto a big old caravan battery.

    The improvements over a mains psu were huge and at little cost too. All you have to do is butcher a suitable lead into its +ve and - ve then connect to battery.

    Sent from my CLT-L09 using Tapatalk
    Current system:
    RPi + Allo Digione
    Beresford Caiman Seg & Dorado powered by 15v Linear PSU
    Transcendent Sound Mini Beast OTL
    Amptastic Mini-1
    Klipsch KG4.5 Speakers with Titanium Diagphrams and Sonicap Cap upgrade
    110aH Leisure Battery powers the Mini-1 & Digione

  8. #8
    Join Date: Jul 2017

    Location: Kent

    Posts: 456
    I'm Paul.

    Default

    This was the first batt I bought for my mini 1. Charged it about once every 3 or 4 weeks.

    https://www.hardwarexpress.co.uk/np7...EaAtiNEALw_wcB

    Sent from my CLT-L09 using Tapatalk
    Current system:
    RPi + Allo Digione
    Beresford Caiman Seg & Dorado powered by 15v Linear PSU
    Transcendent Sound Mini Beast OTL
    Amptastic Mini-1
    Klipsch KG4.5 Speakers with Titanium Diagphrams and Sonicap Cap upgrade
    110aH Leisure Battery powers the Mini-1 & Digione

  9. #9
    Join Date: Jul 2011

    Location: lancashire

    Posts: 792
    I'm brian.

    Default

    Thanks to all for your advice

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