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The Acoustic Club

Will flap your pants

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I just found this thread looking for info on my newly acquired 140 head.

I scored this head with a bad 3 prong plug for $50 and an MXR phase 90.

I cleaned it up and it seems I need to have the pots cleaned along with a new 3 prong. I will use it with two Bergantino 12's to get the full 4ohms for now. I may also try it out with a 4ohm 15 cab also. Here are some pics!

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One of these days I should line 'em all up for a family photo.

360/361
320/408
165
400 power amp
PA 120/6 powered mixer
811/812 mains
126 combo
new 360m

I never set out to collect these things, but they seem to show up at a decent price when I'm looking for something. I didn't bond with a 370 head, so it's gone. A 118 combo actually sounded better than the bigger 126, but it's sold, too. The 320/408 are for sale, but I'm not particularly motivated to get rid of them.
 
Does anybody crank their Acoustic 370 or other head on a regular basis? I love the overdriven sound it makes but I'm terrified of blowing a speaker. Especially the original 18 in a 301 cab. Just curious if anybody out there drives their Acoustic HARD and what the results were/are.
 
Does anybody crank their Acoustic 370 or other head on a regular basis? I love the overdriven sound it makes but I'm terrified of blowing a speaker. Especially the original 18 in a 301 cab. Just curious if anybody out there drives their Acoustic HARD and what the results were/are.


No, simply too loud through the 301 cabinet. Your either rearranging your neighbors china cabinet, blowing out the back walls of the building, or both. Remember these cabs were designed in the day that PA systems didn't carry the bass, the bassist had to project his own sound from the stage.
A typical PA in that time was a Crown 300 power amp into a set of Altec A7 Voice of the Theater cabinets. A couple of mics on the drums, vocals, one on the lead guitarist amp, and that was it. The bass player was on his own. The 301 was a Godsend in its day, but remember, Acoustic discontinued that cabinet in 1978. Even they knew its time was coming to an end as PA systems were improving. It's replacement, the 401, had four 15" speakers.
 
I cranked my 320 through my Ampeg 810e briefly last night. 160 watts into a cab with 800 watts RMS power handling... but with all that clipping I was still afraid of frying something after a few seconds. It was way too loud and not very musical. The overdrive stops being pleasant to me past about 11:00 on the volume dial.
 
I cranked my 320 through my Ampeg 810e briefly last night. 160 watts into a cab with 800 watts RMS power handling... but with all that clipping I was still afraid of frying something after a few seconds. It was way too loud and not very musical. The overdrive stops being pleasant to me past about 11:00 on the volume dial.


The 320, now that's a bass amplifier.
 
I ran my 220 at full bore last night, like volume, bass, middle, treble, all of them dimed through a peavey folded 18, and a normal 18 cab. Stoner/DOOM bliss, no pedals needed. Makes me not want to get rid of it, but I like my old Peavey amps better. I wasn't as LOUD as I was expecting, volume doesn't really change past 11oclock on mine, it just gets fuzzier.
 
Nobody bought the 320 or 408, and now they live in the music room downstairs. The 360m goes out to play too often to want to schlep it up and down the stairs, so the 320/408 is now the practice rig from hell. The power switch is balky, and I should fix it someday before it really does something bad. For now, though, I'm enjoying it a lot. The front radiating 15s sound a whole lot louder than the w-bin, but I think that's just the nature of the beast. They all sound good.
 
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I ran my 220 at full bore last night, like volume, bass, middle, treble, all of them dimed through a peavey folded 18, and a normal 18 cab. Stoner/DOOM bliss, no pedals needed. Makes me not want to get rid of it, but I like my old Peavey amps better. I wasn't as LOUD as I was expecting, volume doesn't really change past 11oclock on mine, it just gets fuzzier.


Is that the old peavey f800b 18 cabinet? I had one of those back in the day. Just as loud as the 301 at half the size. Post a pic of that rig, if you can.
 
No, simply too loud through the 301 cabinet. Your either rearranging your neighbors china cabinet, blowing out the back walls of the building, or both. Remember these cabs were designed in the day that PA systems didn't carry the bass, the bassist had to project his own sound from the stage.
A typical PA in that time was a Crown 300 power amp into a set of Altec A7 Voice of the Theater cabinets. A couple of mics on the drums, vocals, one on the lead guitarist amp, and that was it. The bass player was on his own. The 301 was a Godsend in its day, but remember, Acoustic discontinued that cabinet in 1978. Even they knew its time was coming to an end as PA systems were improving. It's replacement, the 401, had four 15" speakers.

I would love to have a 401 cab. I saw a doom band who had one and it was awesome. I'm the crazy guy who is trying to knock all the walls down. I guess I'm just more concerned about the clipping. It sounds so good and doomy but I feel like it will fry speakers. I know it's a whole other topic but some say square waves won't hurt subs and larger speakers. I was just wondering if anyone out there sends their acoustic into overdrive and has not blown their speakers. Any doom guys out there cranking an acoustic on a regular basis?