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Two 150 Watt Amps or One 300W Amp

#42
SactoBass said:
Bill Fitzmaurice, how do you do it? I'm serious. How do you do it???

How do you find the patience to continue to provide correct information to fellow TB'ers day after day who, for whatever reason, refuse to listen and learn from you? You must have days when you just roll your eyes in response to what you read in some posts, but you have the patience and the willingness to continue to give TB'ers your advice and guidance. I have never met you, and I probably never will have that opportunity since we are around 3000 miles apart, but if you lived here, I would treat you to sushi or jumbo prawns with a minimum of three dipping sauces.

I am not an electrical or acoustical engineer (I'm a civil engineer), but I have the ability to recognize good advice on TB when I see it. Thanks to you, I have learned about dispersion, and the benefits of the fEarful 15/6 design. I am glad I have the ability to listen and learn from others. In my book, you are the top dog on TB when it comes to acoustic design. All I can say is, thank you for continuing to stay on TB and help guide so many helplessly lost and misguided souls.
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bill does give correct and good advice, no doubt, but there are plenty of instances i've found where stuff works very well despite not being technically right. like this example, for example. i've done multiple amps before and it can work very well if done with some thought. a clean/dirty two amp setup is used pretty often. i've even seen bill himself recommend a few times for someone to get a guitar amp and run it with their bass amp if they wanted to do clean/dirty. and as bassmec points out, all those subs do run off separate amps. so while there are problems you have to watch out for, it can easily be done and it can easily work well.
 
#44
Spot on, it was never my intention to space them. Stacked is what I would have done without thinking. I never would have thought I was SO underpowed though. That's the one big thing I'm learning from this thread. I must try a wireless pack at the next gig before I upgrade. By the sounds of this thread; I'm not been heard further than the stage with my present 150watts, as I hate using DI.
 
#45
Bassman 100 said:
Would my GT6-B not prevent a hum, one amp from the left another from the right with the noise suppressor active, one dry one wet?
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One would hope that the GT6-B contained a suitable transformer isolation system.
The only way to find out is to trace the schematic, talk, to the designer, or test it with a multi-meter, The Left output jack sleeve (ground) to Right output jack sleeve would be infinity ohms if there was a pair (or one) of transformers in the output.
Good quality high impedance audio transformers are about 80 bucks a pop, so I would think the accountant told the design engineer to try to get around using them somehow.
:bassist:
 
#46
Bassman 100 said:
By the sounds of this thread; I'm not been heard further than the stage with my present 150watts, as I hate using DI.
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I run 160w/8 ohms through a single 1x12 with no PA in rooms as large as 300 seats, and I have no problems being heard. The power rating of both amps and speakers is one of the least important factors where the end result is concerned.
 
#47
billfitzmaurice said:
I run 160w/8 ohms through a single 1x12 with no PA in rooms as large as 300 seats, and I have no problems being heard. The power rating of both amps and speakers is one of the least important factors where the end result is concerned.
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Only I60 watts maybe, But you cheat loads by sneakily designing cabinets that only seem to require about 30 watts to knock the place down.
:D
 
#48
Bassmec said:
Only I60 watts maybe, But you cheat loads by sneakily designing cabinets that only seem to require about 30 watts to knock the place down.
:D
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It's simply amazing what education, knowledge, and experience can achieve.

IMHO, this planet is saturated with a plethora of "very average" bass cabs. Some are even less than average. Only a few cabs rise to the top of the performance heap. Bill's cabs, the Greenboy fEarful designs, and Alex's Barefaced cabs are the shining stars of the bass cab world. Mass produced cabs by the "big companies" have lots of pretty advertising and hype (which is exactly why those companies need to doll up the marketing so much.....to cover up the fact that their performance specs are mediocre at best). But the "real" cabs don't need any dolled up marketing. They speak for themselves via performance.

Again, IMHO.
 
#49
SactoBass said:
It's simply amazing what education, knowledge, and experience can achieve.

IMHO, this planet is saturated with a plethora of "very average" bass cabs. Some are even less than average. Only a few cabs rise to the top of the performance heap. Bill's cabs, the Greenboy fEarful designs, and Alex's Barefaced cabs are the shining stars of the bass cab world. Mass produced cabs by the "big companies" have lots of pretty advertising and hype (which is exactly why those companies need to doll up the marketing so much.....to cover up the fact that their performance specs are mediocre at best). But the "real" cabs don't need any dolled up marketing. They speak for themselves via performance.

Again, IMHO.
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I am Very interested in your top few best cab makers. I think you make an excellent point - which is perhaps why I running on 150 watts for most of the time. But I like to keep open minded as I'm on the market for a change to something, and can try before I buy.
 
#50
Bassman 100 said:
I am Very interested in your top few best cab makers. I think you make an excellent point - which is perhaps why I running on 150 watts for most of the time. But I like to keep open minded as I'm on the market for a change to something, and can try before I buy.
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Top few? IMO, any of these:

  • Cabs made by Bill FM (check out the "Jack" cabs)
  • Don Oatman at Low Down Sound (LDS) employing the fEarful design, especially the 15/6 (my personal choice)
  • Barefaced cabs (in England) made by Alex Claber
 
#51
SactoBass said:
Top few? IMO, any of these:

  • Cabs made by Bill FM (check out the "Jack" cabs)
  • Don Oatman at Low Down Sound (LDS) employing the fEarful design, especially the 15/6 (my personal choice)
  • Barefaced cabs (in England) made by Alex Claber
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Excellent thanks for these. I've not heard of any of them, which is just your point. I look forwar to the research.
Does Phil Jones Bass have a place on your list at all?
 
#52
Bassman 100 said:
Excellent thanks for these. I've not heard of any of them, which is just your point. I look forwar to the research.
Does Phil Jones Bass have a place on your list at all?
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Not for me, no. Those PJB cabs are too big and bulky for my taste, and I don't believe the performance would be anywhere near that of the cabs I listed.

I am 54 years old, and I can't lift as much as I could when I was in my 20's and 30's. I haven't researched the weight of Bill's cabs, but knowing him, I'll bet they are nice and light. The LDS 15/6 cab is 45 pounds, and the Barefaced Big One 15/6 (from England) is 41 pounds. For me, anything over 50 pounds is a bit much.
 
#54
Don't forget the AudioKinesis ThunderChild in your list!

IMG_0033.jpg
 

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