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  1. Maxxtro

    Review by 'Maxxtro' on item 'Grado SR80i Headphones'

    So I wanted to buy some better-than-average headphones for listen to my music at night.   On my search I found this forum. I read and read and read. Beyerdynamic - maybe too much bass, Sennheiser - too expensive, AKG - require a too expensive amplifier and so on. But Grado - made for rock...
    • Maxxtro
    • Head Gear rating
  2. Maxxtro

    This picture changed my life. (Cable related)

    Would anyone tell me what these things are (called)? I don´t feel like I ever saw them before...
  3. Maxxtro

    Completely noob question, how to measure DC offset - advice needed

    I guess that´s not the kind of answer the TO wanted?
  4. Maxxtro

    Completely noob question, how to measure DC offset - advice needed

    Well, do you have a Voltmeter with DC-mode? If so, that would be a good starting point!
  5. Maxxtro

    CMoy for AKG K601s?

    Another question about my headphone amp:   Before the 4556 on the input there is a high-pass with a -3db attenuation at 2.8Hz, made with a cheap 47µF capacitor and a 1.2k resistor. After the 4556 there is another filter with a maxiumum of 10Hz made with a high quality Elna 100µF capacitor...
  6. Maxxtro

    Sub 200$ Headphones?

    So the graphs tell me, that Grado SR80i / SR225i have even less bass than the K601s... but why are less people arguing about not enough bass by the Grados than by the AKGs?
  7. Maxxtro

    CMoy for AKG K601s?

    They are 100µF / 25V Elna Silmic II.   Well... could i build a CMoy and put a Diamond Buffer as used for the PPA v2 at its Output?       Edit: Oh and I justed looked on the Grado Website; they are using the 4556, which is specified to a minimum of 150ohm load with their 32ohm...
  8. Maxxtro

    CMoy for AKG K601s?

    Well if that is the truth...  I´ll just listen throug the output of my CD player, which is based on exactly that Chip! Only thing i see which is a little bit ... not looking too good is the slew rate of just 3V/µs?    
  9. Maxxtro

    CMoy for AKG K601s?

    Hello!   Would be a well-built CMoy with a wall-powered supply and big buffer-capacitors be good enough to drive the 120-Ohms AKG K601s?   I know that the are obviously pretty hard to amp due to the fact that the need a lot of current but with some big capacitors...?     Greetings...
  10. Maxxtro

    Kumisa III Layout?

    Yeah the reason is, that there would be pretty high shipping costs for me...
  11. Maxxtro

    Kumisa III Layout?

    Hello everyone!   Does anyone have the layout of the Kumisa III Amp by Benny Jørgensen? It seems like he has made a layout for a single-layer PCB? I would really need this!     Greetings, Maxx
  12. Maxxtro

    Sub 200$ Headphones?

    No I´ll only listen from a CD-Player with a seperate Amp.   But anyway you wouldn´t recommend them i see...     Edit: Oh and I´ve just started to read on headphones.com and I´ve immediately seen the frequency response graph of the Denon AH-D2000 / Audio Technica ATH A700 and... wow...
  13. Maxxtro

    Sub 200$ Headphones?

    What kind of music did you listen to when so that you say the AKGs have almost no bass? Almost no would be not good, but I´m not the one who needs shakeing headphones, even when I listen to HipHop.
  14. Maxxtro

    Sub 200$ Headphones?

    I will have an amp! As I wrote I´ll build one...
  15. Maxxtro

    Sub 200$ Headphones?

    Of course it helped me! So I´ll forget the DT770 definitely now!
  16. Maxxtro

    Sub 200$ Headphones?

    Well you want to know which headphones I´m thinking about?     AKG K601: Pros: best looking to me so far, exactly within the limit Cons: as far as i could read their sound quality is not too good and hard to drive   Beyerdynamic DT770 PRO: Pros: within my limit, too Cons...
  17. Maxxtro

    Sub 200$ Headphones?

    Hello everyone!   I need your help! I´m searching for a HiFi headphone.     So I listen to rock, jazz-rock and even to some HipHop. I only have about 200$ to spend for headphones and I do want a good sound quality in these genres.   At the moment I am listening to that music...
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