Tired of small scale OB, going big..Selenium 15PW3-SLF-15 questions.?

[JandG]

I am about to order abunch of Selenium 15PW3-SLF-15 drivers for OB bass driven temporarily by a pairof BASH 300S plate amps which go to 150hz 4th LR. I am then to use TT 12" Alnico for mid bass & B & C DE10 for for up top & may try othe CD's till I am happy up top. SET will be used on TT & CD. Question is ...How many 15" Selenium can I go without crazy low ohm. I would like 4- per side, but wiring this for no less than 4-ohm load I have not done before. WAF is NO factor in any of this,I have dedicated play room. I wood use my 45 for low volume listening & 300B for maore oomph..bi-amped at very least & maybe tri. Thanks for any help. $ 500.00 is budget for bass driver excluding shipping.

[Magnetar]

Four 8 ohm bass drivers per channel wired series parallel will be 8 ohm. That will move enough air to be realistic.

[Cal Weldon]

Hi,

Those Seleniums are 8 ohm so if you wire two in series and the other two in series and then parallel those it will give you 8 ohm.

EDIT: Typing while Magnetar posted.

[riff.ca]

I'm running 2 Selenium 15PW3-SLF per side OB and pretty happy with the results. Four should work.

[Pano]

I run just 1 15PW3 per side and it works well. I would like to do 2 per side, though....

See photos HERE.

[JandG]

Can I please get a suggestion for the configuration of the 4- per side Selenium 15PW3-SLF. So many ways to do it. I thought of just vertical line like AJ's, but then Magnetar's config looks good. I also thought of just a horizonal line, side by side mounted about 3" about floor or so. I am to order these drivers this weekend & a minimum of 8 will be ordered. Any help would be very cool...
thanks...J & G

[KCHANG]

Like this?



http:// Four 18" inchers per side

Unless you want to mate the woofers with a line source, I'd recommend mounting the four 15" woofers per side in a 2x2 matrix close to the floor.

Cheers,

Kurt

[JandG]

Nice............ I would have liked to hear those.
So similar to my Marshall half stacks cab configuration..? except with drivers more closely grouped & basket flanges almost touching each other..?

[Cal Weldon]

If you are cutting them off with a plate amp, the need to have them vertical is not critical as it is with drivers carrying higher frequencies. You need to consider the room and how the drivers will load in your environment ie: close to the floor will use that plane to reinforce, but it usually comes down to where things will fit when using that many drivers. Usually with 4 per side the need to reinforce is not as critical either as you have lots room to EQ.

[bjorno]

FYI,

Polar plots for 4 OB: s in point source arrays can be seen in the picture 1(1). Observe the polar plots show only the first wave front from the arrays and only localisation conclusions can be discussed.

b

1(1)