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  1. J

    Fosi Audio ZA3 - should I use one or two amps?

    Right now I'm trying two ZA3's in dual mono. My subwoofer is connected directly to my DAC through the RCA's. I set the max level on the amps and then control the volume with the dac. The problems are the following: 1. the sound is better using the analog volume control, but there are two volume...
  2. J

    Vandersteen 2Ci amp question

    Yea, the sound is good so far for music. My friend thinks the dialogue is slightly muffled on tv, so that must just be the sound of the speakers.
  3. J

    Vandersteen 2Ci amp question

    I got the four Kenwood mono blocks set up. The sound is deep, full, relaxed. No thinness or weak bass. Thanks for the help.
  4. J

    Vandersteen 2Ci amp question

    I have a pair of Vandersteen 2Ci speakers. I am using Kenwood L-05M mono blocks on the bass drivers, and Fosi ZA3 mono amps on the midrange / treble. I have the opportunity to get another pair of Kenwood Trio L-05M mono blocks, and was wondering if I would benefit to use all four the same...
  5. J

    Matching amps through measurements

    I think I just need to get an idea by looking at where the crossover happens, and adjust based on that.
  6. J

    Matching amps through measurements

    I don't have a mic and rew, but I do have an rta app. This is easy enough so I will try this before trying to measure the electrical outputs of the amps. (but good to know about that too.) Thanks.
  7. J

    Matching amps through measurements

    How do I match the levels of the bass with the mid-range / treble? Just play a 1k Hz sine tone and match dB output? Isn't the bass supposed to be louder? I'm using four mono amps to power a single set of speakers.
  8. J

    Matching amps through measurements

    Two sets of mono amps. 1. two Kenwood L-05M amps driving the bass 2. two Fosi ZA3 amps driving the midrange / treble I need to test the L-05M's to determine the output, then match the ZA3's to that level with the volume knobs (on the ZA3's). The L-05M's do not have a volume control. Or if...
  9. J

    Matching amps through measurements

    I'm using two different sets of amps to power Vandersteen speakers, and want to know how to measure the outputs of the amps with a multimeter to know how to match the levels. How do I do this?
  10. J

    ELAC Debut 2.0 B6.2 Speaker Review

    I am sending the output of my dac direct to the sub, and the Elacs are playing full-range. It seems I have to set it to the lowest 50hz setting, or slightly higher, to sound okay and not be too boomy.
  11. J

    ELAC Debut 2.0 B6.2 Speaker Review

    If using Elac Debut 2.0 B6.2 speakers with a subwoofer, what should I set my crossover to on the sub?
  12. J

    Vandersteen 2C Klippel data by "hardisj"

    I'm trying to find information on how the Vandersteen Model 2ci speakers function when powered by class D amps, such as the Fosi ZA3. Also looking for info on how the speakers might work when powered by class D amp like the ZA3 on the midrange / treble, with a traditional solid state on the...
  13. J

    Fosi Audio ZA3 Amplifier Review

    I have a few questions: Does changing the XLR op-amp in the ZA3 amount to any improvement or change in sound? Also, how can leaving the op-amps empty result in a sound improvement? Is really true? Is it okay to run the op-amps empty?
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