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Ed... THAT was timing...:)

Ed... THAT was timing...:)

JD - It is not different mics for indoor vs. outdoor testing, it was the software that was different. The ETF software can eliminate room effect (above 200 Hz in most rooms) by letting you "see" on a graph where the first resonance was after the fundamental, then "shortening" the time of your...

JD - It is not different mics for indoor vs. outdoor testing, it was the software that was different. The ETF software can eliminate room effect (above 200 Hz in most rooms) by letting you "see" on a graph where the first resonance was after the fundamental, then "shortening" the time of your...

Chris - That was actually in the movie "Fred and Barney Go into Business" (AKA The Flintstones, Part V) ... They were able to get a response of +/- 4 dB from their 120 foot Brontosaurus powered subwoofer.... and used the "forest anechoic" chamber....:D

Chris - That was actually in the movie "Fred and Barney Go into Business" (AKA The Flintstones, Part V) ... They were able to get a response of +/- 4 dB from their 120 foot Brontosaurus powered subwoofer.... and used the "forest anechoic" chamber....:D

Ed - Exactly... The ETF software is excellent for the upper ranges, and in our 43x16 foot room, the lowest limit is the 200 Hz... I have not even tried the below 200 Hz software yet, but it should be very close to TrueRTA.. Having it as really more of an addition to TrueRTA than a replacement...

Ed - Exactly... The ETF software is excellent for the upper ranges, and in our 43x16 foot room, the lowest limit is the 200 Hz... I have not even tried the below 200 Hz software yet, but it should be very close to TrueRTA.. Having it as really more of an addition to TrueRTA than a replacement...

Ed - The new software (ETF) is more for indoor measurements of speakers... right now I am still more comfortable with subwoofers outdoors through the TrueRTA... and all the B4+ measurements have been done using it... The ETF software allows quasi-anechoic measurements by eliminating room...

Ed - The new software (ETF) is more for indoor measurements of speakers... right now I am still more comfortable with subwoofers outdoors through the TrueRTA... and all the B4+ measurements have been done using it... The ETF software allows quasi-anechoic measurements by eliminating room...

It will be a while before I get a full review done... but I have done a lot of measuring with the same software, microphone, and methods that Ed did in his PB2-Ultra review... and a lot of listening to it, and to date, several other highly thought of subwoofers... Full review around Sept. 1...

It will be a while before I get a full review done... but I have done a lot of measuring with the same software, microphone, and methods that Ed did in his PB2-Ultra review... and a lot of listening to it, and to date, several other highly thought of subwoofers... Full review around Sept. 1...