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TDA8920 BTH Class D Power Amplifier Board (2 x 100W / AC 12.5~20V)

TDA8920 BTH Class D Power Amplifier Board (2 x 100W / AC 12.5~20V)

22.80

5 (3 Reviews)

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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Very small class D amplifier

    posted by lasermanathome on 04/20/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    Small PCB with high output and almost no loss of energy, so it does not spoil much heat and therefor the cooling is very tiny. Nice build quality , have to test how it sound yet but experience about the concept tells me that a good class D amps sounds ver...
    Cons:
    Nominal (RMS) is about only 2X40 Watt, no 2X100 Watt, that should be the theoretical max during music peeks (clipping power)
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Excellent, small and powerful amplifier

    posted by dbekriev on 03/16/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    Stereo single-ended configuration Po output power RL = 3 ?; THD = 10 %; VP = ±27 V - 110 W; RL = 4 ?; THD = 10 %; VP = ±27 V - 86 W Mono bridge-tied load configuration Po output power RL = 6 ?; THD = 10 %; VP = ±27 V - 210 - W
    Cons:
    It comes with output filter inductivity of 22 mH and capacitator of 470 nF. Those results in engaging of the low load impedance...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 3
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good "small" amp !

    posted by ajaaskel on 11/17/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

    Pros:
    Small and powerful (D-class). Needs only a simple transformer to work but SMPS would make it light weight.
    Cons:
    Not yet seen. Might that small cooling flange be enough for full power 2x100 W operation ?
    View Detail » 
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