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  1. 3

    Topping PA5 Review (Amplifier)

    if the root cause is by heat, probably you can improve by lower voltage as the original 35V for opamp will reduce heat with lower supply voltage rail
  2. 3

    "Micro Bamboo Project" : 3E Audio 260-2-29A Stereo amplifier + Micro-Audio PSU

    it will be good can share us more technical detail how they define not regulated
  3. 3

    Fosi Audio's First Dual-Mode Balanced Amplifier ZA3

    i think you are right, XLR input(balance) convert to single end,then siwtch by the Relay going to volume pot, then convert to balance again till feed to TPA3255.it actually not a full balance design IMO.
  4. 3

    3e audio TPA3255 260-2-29A Amplifier Review

    Sorry sold out and will back end of Feb,
  5. 3

    Fosi Audio ZA3 Amplifier Review

    @amirm can you add frequency response at Mono mode? also Sub out THDN curve if possible.
  6. 3

    Aiyima A07 Max Amplifier Review

    no problem,lof550-20b48 is very good.
  7. 3

    "Bamboo Project" : Dual Mono 3E Audio 480-1-29A Amplifier

    heatsink is 10mm thickness, 5mm reserve for mounting.
  8. 3

    "Bamboo Project" : Dual Mono 3E Audio 480-1-29A Amplifier

    @brunes M3, plz check user manual also.
  9. 3

    3e Audio TPA3255 Amplifier Kit 480-1-29A Review

    Hello,for PFFB only 2 variants kit for diy: 480-1-29A - Mono 260-2-29A - Stereo
  10. 3

    3E Audio 260-2-29A : TPA3255 / HA3588 CoilCraft / PFFB Fully differential.

    @GNK reduce Amplifier gain is one way to try,but i would suggest look at what DAC you use and what is the noise perform first.
  11. 3

    3E Audio 260-2-29A : TPA3255 / HA3588 CoilCraft / PFFB Fully differential.

    you can parallel the board as you only need 30W per channel. please note do keep cable as short as possible and twist them if you can
  12. 3

    3E Audio 260-2-29A : TPA3255 / HA3588 CoilCraft / PFFB Fully differential.

    @GNK this is right! my understand is only one DC output with three pair terminal.
  13. 3

    3E Audio 260-2-29A : TPA3255 / HA3588 CoilCraft / PFFB Fully differential.

    1. can be to GND or chassis of the amp.there is lots discussion about but practice i don't see major difference. 2. will better but may not feeling that upgrade,upgrade also fun of diy,up to you. hope this help!
  14. 3

    3E Audio 260-2-29A : TPA3255 / HA3588 CoilCraft / PFFB Fully differential.

    @ngk275 1. no ON/OFF control,it is led display from a AUX 12V 2. Negative is GND of the SMPS.
  15. 3

    "Bamboo Project" : Dual Mono 3E Audio 480-1-29A Amplifier

    more then professional.....
  16. 3

    3E Audio 260-2-29A : TPA3255 / HA3588 CoilCraft / PFFB Fully differential.

    @adLuke 1.there is no abvious pros/cons putting smps and amp in one box or separate,depend on size,placement,cables routing,etc,the simple tje better. 2. it will better what power rating you need and.what is the speaker rating also for select a power supply. 3. for Multi channel,it will be good...
  17. 3

    3e Audio TPA3255 Amplifier Kit 480-1-29A Review

    yes in some dedicated SMPS for amplifier it increase soft start time and higher OCP threshold to support higher peak current in larger buck capacitor power rail. we consulted SMPS FAE to increase load caps case is ok and also many other application did like that,the only acceptance is system can...
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