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In the Forum: Audio Discussions
In the Thread: The ULF cannel for my new listening room.
Post Subject: The first IB testing.Posted by Romy the Cat on: 9/11/2018
I was sit today to do the calibration of my infinite baffle.
I connected my 20Hz 4th order tube crossover with frond-end modified
Yamaha B-2. The RTA did show a very easy gain exactly where should be, the
transition slope doe the magic. I rolled off approximately 18dB at the amp input to
match the levels. I need to admit that adding even 10dB at the IB channels do
not make it too much auditable. It took some times to do the phase verification:
between the channels and between the main system and IB. Now everything looks
like OK, the pink graph is with IB on.
Sound. There is for sure the firmness, the very dense firmness
at the bottom end. The proper things do crash properly-had now. Still, the overall
sound is not what I need. There is no softness of the bottom end, in fact I
feel that it got harder and more dehydrated. It feels like the main system and
the ID runs in opposite phase but they of cause are summing, regardless what in
phase polarity they are in fact in. I need to think why it does not sound properly.
I might rye to soft the ID crossover and to go for 3 or even for the second
order. It should give the softness… as I said I need to think about it.Rerurn to Romy the Cat's Site