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RonVinyl 26th January 2013 06:01 PM

First DIY Direction/Recommendations / Help
 
Good day all!

Background: I have a 4 watt SET tube amp. Right now I am using it to power a pair of B&W 601 S3 bookshelf speakers. I am happy except for its low end response. They can reach 60 Hz on a good day and are 89 dB efficient.

Looking to build something that is more efficient, without a x-over to ensure max power is going to the drivers.

Looking for something that I wont feel like I *need* to run a sub with.
  • Tang Band W8-1772 in a BLH, not sure which one
  • Mark Audio A12P in Super Pensil or Pensil 12.2
  • Betsy-K in WIBAQ
  • Dayton Audio PS220 in ?

Is 8" the wrong size driver to be looking at?

Any recommendations are greatly appreciated!

Thanks!

vinylkid58 26th January 2013 06:24 PM

Quote:

Originally Posted by RonVinyl (Post 3343296)
Is 8" the wrong size driver to be looking at?

FWIW A12P is more like 6.5", not 8". The Super Pencil makes decent bass, and works well with low power. I haven't used my sub in ages. It's definitely not a bookshelf size speaker thou.;)

jeff

RonVinyl 26th January 2013 06:27 PM

Quote:

Originally Posted by vinylkid58 (Post 3343318)
FWIW A12P is more like 6.5", not 8". The Super Pencil makes decent bass, and works well with low power. I haven't used my sub in ages. It's definitely not a bookshelf size speaker thou.;)

jeff

Thanks Jeff, I am not opposed to a larger speaker by any means.
I like the price of the A12P speakers, the super pensils seems easier to build than a BLH as well. Good for the first time DIY.

RonVinyl 26th January 2013 06:28 PM

Does anyone have a Sim or FR for the A12P in a Super Pensil?

Jay 26th January 2013 06:30 PM

If the SET is very good, why not find suitable driver (and speaker project) instead of those for solid state.

RonVinyl 26th January 2013 06:33 PM

Quote:

Originally Posted by Jay (Post 3343330)
If the SET is very good, why not find suitable driver (and speaker project) instead of those for solid state.

Do you have an example link/plans/recommendations you can send me?

The SET is fantastic, I wanted to open it up to its full potential by moving to a single crossover-less speaker.

hm 26th January 2013 06:37 PM

ron
 
3 Attachment(s)
Hello,
look my double horns, specially for Tubes,
no bass resonanz, down 35 Hz, 98 dB 1w 1m

RonVinyl 26th January 2013 06:39 PM

Quote:

Originally Posted by hm (Post 3343338)
Hello,
look my double horns, specially for Tubes,
no bass resonanz, down 35 Hz, 98 dB 1w 1m

Are those small 4" drivers? Are you reaching 35 Hz just due to the BLH enclosure?

vinylkid58 26th January 2013 06:41 PM

Quote:

Originally Posted by RonVinyl (Post 3343325)
Does anyone have a Sim or FR for the A12P in a Super Pensil?

Can't say I've seen one.

Quote:

Originally Posted by RonVinyl (Post 3343331)
The SET is fantastic

2A3?

jeff

RonVinyl 26th January 2013 06:49 PM

Quote:

Originally Posted by vinylkid58 (Post 3343342)
2A3?

No, I am actually running a Mini Torii by Decware.
It is a dual mono block using 6V6/6L6 power tubes and 12AU7 signal tubes.


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