High Efficiency Speaker Asylum

RE: yeah, but he is looking for a woofer ("80 to 300 Hz", per the OP) (nt)

75.195.208.28

Tom Brennan

In Reply to: RE: yeah, but he is looking for a woofer ("80 to 300 Hz", per the OP) (nt) posted by rogerh113 on July 06, 2022 at 09:51:46

I don't think a 604 will need 30 watts--I drove 605As, which are little less sensitive, fine with about 10 watts a channel tube power and they also did fine with the old Sonic Impacts chip amp. I had 515bs in my A5s and they needed ridiculously little power though they were horn loaded through much of their range.

Edits: 07/06/22

Follow Ups:

RE: yeah, but he is looking for a woofer ("80 to 300 Hz", per the OP) (nt) - 91derlust 22:17:40 07/15/22 (1)
Agreed Tom. People's arguments that big drivers require big power are a simplification and often misleading. Very happy running my 604 with single-digit SE watts, although greater PP SS watts are nice too (if a little tight/ stilted/ over-damped in my speakers' alignment).

"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein
- RE: yeah, but he is looking for a woofer ("80 to 300 Hz", per the OP) (nt) - claudej1@aol.com 06:22:27 07/19/22 (0)
  No one with any kind of sanity and knowledge of basic electronics "argues" that lotsa watts are required with a 100 db sensitive loudspeaker. True, regardless of type or brand.
  
  I really do wish they would rate Amplifiers in DBwatts. That way you could just have an addition problem to solve on a third grade level.
  
  Marketing will never let that happen. Almost like ISO vs. DIN ratings for film "speed" before digital cameras took over in 2005. Kodak used to advertise their ISO 1,000 film with a portrait lit by one candle. The lay people were impressed by that ad. Truth is, it's only 3 1/3 stops difference from ISO 100, but the numbers look 10 X bigger, so it's more impressive.

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