Actually is more like 15db down (payed more attention to it). Doing the same readings with RMAA, all parameters equal, and using the same volume pot position i got 15db less in RMAA meters so had to turn it up from 9:00 o'clock position to 11h30 position (vol pot)
Always used at 9:00 o'clock position with my media center. Now i'm using at 11h30 for the same overall volume while listening to music and movies. Mind that i use windows volume to attenuate so i can watch some very quiet movies at 100% and music at normally 50% windows volume.
Always used at 9:00 o'clock position with my media center. Now i'm using at 11h30 for the same overall volume while listening to music and movies. Mind that i use windows volume to attenuate so i can watch some very quiet movies at 100% and music at normally 50% windows volume.
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Don't you have a "PURE DIRECT" button (blue led) on the front panel, it should bypass all types of filters and DSP, I find the sound cleaner and more lax in a positive way when engaged.
I just noticed with one Yamaha receiver that, when bass/treble knob is set to 0.0dB it also disengage the filter, that's why the sound disappears momentarily Only for the first step when going from 0.0dB to +0.5dB or -0.5dB, all the other steps between +0.5dB --> +6.0dB....and......-0.5dB --> -6.0dB aren't interrupting the music playback while turning the bass/treble knob.
But it seems you gained from the mod, bypassing longer path and circuits usually should potentially decrease crosstalk and other interferences.
I just noticed with one Yamaha receiver that, when bass/treble knob is set to 0.0dB it also disengage the filter, that's why the sound disappears momentarily Only for the first step when going from 0.0dB to +0.5dB or -0.5dB, all the other steps between +0.5dB --> +6.0dB....and......-0.5dB --> -6.0dB aren't interrupting the music playback while turning the bass/treble knob.
But it seems you gained from the mod, bypassing longer path and circuits usually should potentially decrease crosstalk and other interferences.
hi!
No pure direct or nothing of the sort on this model.
And controls at 0 don't disengage the circuit in this amp and cause subtle but audible skewing of Freq. Response. A whole 1 db difference between low mids and treble, favouring the treble. Yamaha claims -+0.5 20to20k so -0.5@300 and +0.5@8khz still within spec. Now is ruler flat. Noise, IMD and crosstalk parameters improved significantly. Noise improved significantly because voltage gain was lowered on power amp.
See the graphs below. First one is after mod.
No pure direct or nothing of the sort on this model.
And controls at 0 don't disengage the circuit in this amp and cause subtle but audible skewing of Freq. Response. A whole 1 db difference between low mids and treble, favouring the treble. Yamaha claims -+0.5 20to20k so -0.5@300 and +0.5@8khz still within spec. Now is ruler flat. Noise, IMD and crosstalk parameters improved significantly. Noise improved significantly because voltage gain was lowered on power amp.
See the graphs below. First one is after mod.
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