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Custom DIY 2x15 cab build

#323
The Starliner looks awesome under the Ampeg.

johnk_10 said:
2x15cab-19.jpg
Click to expand...
 
#324
well, call me crazy (cuz i probably am ;)) but i was playing the cab alot more with the streamliner and doing more A/B tests between the aluminum cap and the paper one, and with the streamliner in particular, i actually prefer the paper cap on it (like OldogNewTrick stated). IMO, the streamliner 900 has a 'bite' in it's upper mids and the aluminum cap was making it more obvious and a bit harsh (IMO, sounds ALOT smoother with a paper cap), and since this cab was built to go with it, i picked up a new OEM paper one from orange county speaker today. i carefully removed the aluminum one (which was perfectly installed) and glued the new paper one back on so now the speakers are stock again. i had to cut the aluminum one off, then slightly soften the glue and peel it's aluminum edge off, so now all i'm out is one aluminum cap and the cost of a new paper one (which are cheap).

i loved the look of the aluminum one but i'm more interested in tone than looks.
 
#325
I posted this question before, any speaker experts care to chime in? If I was running WinISD on a pc, I'd do it myself...

What cab volume and tuning would be recommended for two 3015 drivers? As someone who uses 200 and 300 watt amps, my main objective wouldn't necessarily be for obtaining the max spl the drivers are capable of, it'd be more about getting the best tone.

Jim C said:
Interested in this answer as well as the changes in cabinet volume if the top speaker was angled slightly toward the player with a 2-piece front baffle board.
Click to expand...
 
#326
koobie said:
I posted this question before, any speaker experts care to chime in? If I was running WinISD on a pc, I'd do it myself...

What cab volume and tuning would be recommended for two 3015 drivers? As someone who uses 200 and 300 watt amps, my main objective wouldn't necessarily be for obtaining the max spl the drivers are capable of, it'd be more about getting the best tone.
Click to expand...

it all depends on what you're going for tone-wise. do you want it sealed or ported? if you want lots of low end, a barefaced super fifteen styled one would do it: Barefaced Bass - Super Fifteen
.............and i'm sure that the one that greenboy has designed would do it too.

..............that said, i love the tone of my cab.
 
#327
johnk_10 said:
well, call me crazy (cuz i probably am ;)) but i was playing the cab alot more with the streamliner and doing more A/B tests between the aluminum cap and the paper one, and with the streamliner in particular, i actually prefer the paper cap on it (like OldogNewTrick stated). IMO, the streamliner 900 has a 'bite' in it's upper mids and the aluminum cap was making it more obvious and a bit harsh (IMO, sounds ALOT smoother with a paper cap), and since this cab was built to go with it, i picked up a new OEM paper one from orange county speaker today. i carefully removed the aluminum one (which was perfectly installed) and glued the new paper one back on so now the speakers are stock again. i had to cut the aluminum one off, then slightly soften the glue and peel it's aluminum edge off, so now all i'm out is one aluminum cap and the cost of a new paper one (which are cheap).

i loved the look of the aluminum one but i'm more interested in tone than looks.
Click to expand...

having played the Streamliner through the JBLs and the 3015 w/aluminum cap you're saying the latter is a little "brasher" (for want of a better word) than the JBL w/the SL?
 
#328
johnk_10 said:
well, call me crazy (cuz i probably am ;)) but i was playing the cab alot more with the streamliner and doing more A/B tests between the aluminum cap and the paper one, and with the streamliner in particular, i actually prefer the paper cap on it (like OldogNewTrick stated). IMO, the streamliner 900 has a 'bite' in it's upper mids and the aluminum cap was making it more obvious and a bit harsh (IMO, sounds ALOT smoother with a paper cap), and since this cab was built to go with it, i picked up a new OEM paper one from orange county speaker today. i carefully removed the aluminum one (which was perfectly installed) and glued the new paper one back on so now the speakers are stock again. i had to cut the aluminum one off, then slightly soften the glue and peel it's aluminum edge off, so now all i'm out is one aluminum cap and the cost of a new paper one (which are cheap).

i loved the look of the aluminum one but i'm more interested in tone than looks.
Click to expand...
You're crazy...;) Actually, I liked the paper cap better too for its smoothness, and felt that the aluminum cap made the treble more spiky, or uneven in some way, that might be slightly harsh. That could be good in a mix, but I'd just add treble EQ to the stock speaker to get there more evenly in the affected frequencies.
 
#329
dhsierra1 said:
http://www.talkbass.com/forum/f15/speaker-dust-cap-size-shape-effect-thereof-515990/
Click to expand...

that was actually quite the interesting read, thanks for posting it! I'm still standing by the statement that such a subtlety in tone would be lost on most people - particularly laypeople. I've been playing for 5 years and can't really tell the difference. I'm not trying to say that 5 years is comparable to johnk's experience, nearly as much as I'm trying to say that I've got more experience than the average layperson.
 
#330
pie_man_25 said:
that was actually quite the interesting read, thanks for posting it! I'm still standing by the statement that such a subtlety in tone would be lost on most people - particularly laypeople. I've been playing for 5 years and can't really tell the difference. I'm not trying to say that 5 years is comparable to johnk's experience, nearly as much as I'm trying to say that I've got more experience than the average layperson.
Click to expand...


agreed, but then you get into the whole can of worms of why violinists prize Amati's and Stradivari so much and the typical laymen can't tell the difference. Even players w/a few years of experience can't usually (but not always) tell the difference between those and a decent instrument. Tone, esp great tone, is part of the inspiration to play better :cool:

Edit: Flo Ziegfield of the Ziegfield Follies was going over the expenses w/his accountant one day. The accountant said: Hey, Flo, why are you spending so much money lining the girls' costumes with silk? That adds to the overhead and no one in the audience will know the difference whether or not it's lined w/silk or cotton? To which he replied: yes, but the girls will know the difference.
 
#331
dhsierra1 said:
having played the Streamliner through the JBLs and the 3015 w/aluminum cap you're saying the latter is a little "brasher" (for want of a better word) than the JBL w/the SL?
Click to expand...

yup. my SVT and Acoustic 370 amps are smooth and balanced in their high end whereas the STM900 has a little harshness thing going on at around 1.8-2khz. the ally cap was exposing it on the 3015, but the JBL's are much more balanced in their high end.

i also replaced the NOS Mullard ECC83 that i had in V1 (which i really liked) with a NOS RCA 7025. i think that i may like the RCA better in this amp. so now, i'm running three NOS RCA 7025's in the STM900.
 
#334
johnk_10 said:
yup. my SVT and Acoustic 370 amps are smooth and balanced in their high end whereas the STM900 has a little harshness thing going on at around 1.8-2khz. the ally cap was exposing it on the 3015, but the JBL's are much more balanced in their high end.

i also replaced the NOS Mullard ECC83 that i had in V1 (which i really liked) with a NOS RCA 7025. i think that i may like the RCA better in this amp. so now, i'm running three NOS RCA 7025's in the STM900.
Click to expand...

wonder if the glue/aluminum cap/cone assembly needs breaking in to smooth things out further, just wondering aloud :hmm:
 
#335
basslinejam said:
OTOH, That upper mid spike you're hearing may make your tone better at the gig...?
Click to expand...

i don't think so. it was magnifying too much of the clackiness that i didn't care for. if i want more highs, i can always turn the treble up a bit and the trble freq is above the clacky freq.
 
#336
dhsierra1 said:
wonder if the glue/aluminum cap/cone assembly needs breaking in to smooth things out further, just wondering aloud :hmm:
Click to expand...

not in my experience, since the glue sets in a couple hours. as soon as i installed a paper one on it after letting it set for an hour, it sounds exactly like it did before i put the aluminum one on it.
 
#337
now that the 3015's are pretty much broken in and sounding alot smoother, i've been going back and forth running the cab sealed, and with ports open. it's kind of surprising how the STM 900 sounds and responds ALOT more like an SVT/810 rig with them sealed (there's a total SVT vibe going on!). with them open, it sounds gigantic, and cleaner, with the low end going thru the floor (with a TON of low end, almost like a loud, deep kick drum's punch), but i think that i like it sealed the best, at least for now. ;)
 

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