Tactile Transducers?
Posted by Gary Thomas [IP: 209.178.10.21] on December 01, 1998 at 00:13:43:
In Reply to: Tactile Transducers? posted by Kurt Giesselman on November 30, 1998 at 15:14:21:
Help me with the hook up options...I've got a yamaha 992 receiver with 2 sub out's. One is being used for a 50w Klipsh sub. I would probably hook up 6 aura shakers: two each for couch, love seat & recliner. Any advice to power them?Thanks. : I have eight (yikes!) original Aura Bass Shakers. I bought them for $25 a pair. Less than half the price of one Clark. The effect is great. I have four hooked up to each side of an old Nikko 300w/ch amp in a series-parallel arrangement to keep the impedance at 8 ohms. Two shakers on each sofa. Four shakers mounted on the underside of the sub-floor. : Observations:
: 1) Power is good. Started out with the recommended 25w/ch max for the Auras. Results...no action. With 300w/ch...I can feel the earth move. Corollary to power is good...control is necessary. You will NEED an amp with adjustable gain.
: 2) More is better. Started out with two Auras (one per couch). Found that when I turned up the gain enough to "feel" them that I could locate them (even though they were low passed at 80 Hz via the DC-1 sub out). Now with a ton of them I can keep the gain down but still move the earth.
: I have "experienced" the Clark TTs. Unfortunately, IMHO, the same rules apply. You had best just cashed in your Microsoft shares if you are gonna buy eight Clarks.
: 3) Cross over as low as you can. This will minimize butt buzz and the talking butt effect which occurs when no crossover or a too high crossover is used. I could "feel" a very clear difference between the DC-1 80Hz, 100Hz, and 120Hz crossovers. It made me wonder just what my sub was doing (more about that during my weekly tirades for more crossover points for the DC-1).
: 4) Tactile Transducers are not a substitute for a good sub. However, they do make for much better late night listening when you have to turn the sub compression up. My late night set-up is to power down my Snell SUB1800 (powered by a 600w mono Carver) and leave the Auras running at full blast. Loses some realism for sure but better than a sharp stick in the eye. : Try it. You'll like it.
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