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I really enjoy the reviews and some (much?) of the discussion that follows, but so many of these run so far off topic (or worse no topic - along the lines of "great review, thanks!" that could be more efficiently/effectively done thru like button) that the discussions run far too long to ever...

Forgive this most basic of measurement questions (and feel free to point me to a prior discussion if one exists), but why does Amir make SINAD measurements at 5 watts? Is this a standard?

Meridian has been doing DSP active speakers for decades, and in recent years has turned their focus toward in-wall units and installations. I’ve been following this impressive project over on the Meridian Unplugged forum for a while now (thread called Slow Burn). This behind screen baffle wall...

As I understand it, the Harman curve is an average of subjective opinions of a variety of listeners both trained and untrained. Are there subgroups - “sub curves” so to speak? For example, and most relevant I would think - age subgroups? I know my ears are not what they used to be. As well as my...

So I have a Purifi EVAL based unit which has XLR only input and utilizing a Speakon to banana adapter output. I have a single ended streamer/DAC source. I have a SE to XLR adapter cable and a Schiit Magnius line level headphone amp with preamp function that accepts SE input and converts to...

225 W RMS at 8 Ω （4-channel output) 320 W RMS at 4 Ω （4-channel output） 430 W RMS at 4 Ω (BTL mode, 2-channel output) 650 W RMS at 2 Ω (BTL mode, 2-channel output) SN Ratio 112 dB A weighted. Maximum output current per channel 16.5A/ 33A (Bridged) These are the advertised specs of a D...

Lurker turned member looking to submit an amp to Amir for review but the link at top of page does not respond. How does one contact Amir to arrange a drop shipment from manufacturer for review? Great site. Perhaps a little obsessed with rather minute (and for many of us inaudible) measurement...