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In the Forum: Horn-Loaded Speakers
In the Thread: Vertical Axis Midbass Horn
Post Subject: Bottom exhaust and some rant about “fast and tight bass” stupidity.Posted by Romy the Cat on: 2/10/2016
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 skushino wrote:
Bottom exhaust.  Could keep it simple and fire straight down onto the floor.  I think there are benefits to adding a very robust floor platform beneath the mouth, maybe with a reflector, similar to Bruce Edgar's Seismic Sub.  I used to have the Seismic.  It was large and ugly but the sound was surprisingly very good. 
The whole idea of bottom exhaust has own beauty: minimization of foot print and elimination of direct firing toward to a listener position. Usually, bottom exhaust system, not only horn but floor standing loudspeakers (like Eidolons) and subwoofers (like REL) have what I would call “accurate” sound. I have no idea why.  
 
The Edgar's Seismic is kind of freak of a nature of its own. It is not “really” a horn. It uses 18” driver and has for all intended person “covered” 32 by 24 mouth. It is rather a horn-pretentious waveguide system. Even more ugly: it heavily equalized and driven by Edgar's provided $100 plate SS A/B amplifier. Still, I need to admit that as many times I heard it I did like it. It has the same very “accurate” sound. It has aloe what I always was trying to get in lower bass: that feeling of softness and pliability. In a way my love to the ribbed Scan-Speak 25w/8565-00 come for that their array if driven properly gives a lavish and indulgent bass. Not the “tight bass” that all stupid audio magazines and industry retards are promoting but rather slow bass with super-domination of second harmonic. I heard this bass for a first time in 1999-2000 in Belgium. I do not already remember where it was. I was visiting a guy and he has some Czech-made made tube PP amp with Dunleavy IVA. The sound was nothing special but bass was beyond of what I expected. That was the day when I discovered the 8565-00 in the Dunleavys.  
 
The Audio people are ignorant in majority and they do not get it that bass has to be “slow” with proper articulation of upper bass. The necessary transients of bass are set by upper bass horn not midbass horn and certainly not the ULF channel. As soon a person goes with separation of bass over 3 different channels and has a control for individual channel amplification’s loading then many industry stupid fantasies about “fast and tight bass” are evaporation… 

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