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AudioKinesis Cabs Part VI...

Just wanted to let everyone know that I received the Hathor 1203 padded speaker covers from Tuki Covers and they are a perfect fit! They were $69 each plus shipping. I dealt with Glen at Tuki. Here are some pics....
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ImageUploadedByTalkBass1412214318.475129.jpg

ImageUploadedByTalkBass1412214331.924456.jpg
 
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Here's a description of the 1533E, taken from post 1609:

4 or 8 ohms; 98 dB; 500 watts ballpark (the woofer is a Faital 15PR400, rated at 400 watts, but safe to use with a "500 watt" amp); -3 dB at 70 Hz (and -5 dB at 62 Hz), so it's low-B will be weak (hence the "E" designation); 22" tall x 17" wide x 13.5" deep; 30 pounds.

The 1533F# will look virtually the same (bigger dustcap) and will weigh more, and here are some preliminary specs:

4 or 8 ohms; 93 - 94 dB; -3 dB at 46 Hz (the first overtone of low-F#); 1000 watts ballpark; 22" tall x 17" wide x 13.5" deep; 38 - 39 pounds. Its woofer is the "baby brother" of the woofer in the Hathor 1855... same motor, smaller cone.

A "low-B" version is also theoretically possible, falling in between the other two weight-wise, but it would only be available in 8 ohms.

I wanted to post a follow-up:

The 1533-F# has been shelved for now. I think its efficiency is lower than what the market wants to see.

Instead, it has been replaced by the 1533-B, 8 ohms only, same layout and dimensions as the 1533-E, 97 dB, 62 Hz, 700 watts, 35 pounds. I wish this cab was available in 4 ohms too, but it's not. Like the shelved F# version, this one has a woofer with a pretty beefy motor.

Finally, just wanted to pass along the observation that there are some really, really good-hearted and good-actioned people on this site.
 
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I wanted to post a follow-up:

The 1533-F# has been shelved for now. I think its efficiency is lower than what the market wants to see.

Instead, it has been replaced by the 1533-B, 8 ohms only, same layout and dimensions as the 1533-E, 97 dB, 62 Hz, 700 watts, 35 pounds. I wish this cab was available in 4 ohms too, but it's not. Like the shelved F# version, this one has a woofer with a pretty beefy motor.

Finally, just wanted to pass along the observation that there are some really, really good-hearted and good-actioned people on this site.

Sounds absolutely perfect! :cool:
 
I wanted to post a follow-up:

The 1533-F# has been shelved for now. I think its efficiency is lower than what the market wants to see.

Instead, it has been replaced by the 1533-B, 8 ohms only, same layout and dimensions as the 1533-E, 97 dB, 62 Hz, 700 watts, 35 pounds. I wish this cab was available in 4 ohms too, but it's not. Like the shelved F# version, this one has a woofer with a pretty beefy motor.

Finally, just wanted to pass along the observation that there are some really, really good-hearted and good-actioned people on this site.

But........Duke.......I'm running out of room! :)

Sounds like a killer cab. Actually a one cab solution.
 
Sounds like a killer cab. Actually a one cab solution.

If it was a 4-ohm cab, I think I could claim that it's a one-cab solution. And maybe it still is, but you'd need a pretty big amp.

That 1533-B looks like a potent compact cab for us five stringers. What is the woofer used in that one?

It's the Invalid Link Removed.

Like everything else in this game it's a juggling of tradeoffs, but this woofer looks good to me in a smallish cab.
 
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Duke, when you mentioned the E and F# versions, I thought a B version would be cool, and now you've come out with one. The 4/8 Ohm thing aside, would there be any disadvantage to using the B-cab with a standard tuned 4-string? There is the 97 dB (B) vs 98 dB (E) efficiency, but I wonder if there are other factors to consider.

As for the F# cab, I don't know what the efficiency is, but I bet that some of the people playing 7 and 8 string basses would be willing to feed it 800 or 900 watts or whatever it needs in exchange for hearing that low string really speak for the first time.
 
Duke, when you mentioned the E and F# versions, I thought a B version would be cool, and now you've come out with one. The 4/8 Ohm thing aside, would there be any disadvantage to using the B-cab with a standard tuned 4-string? There is the 97 dB (B) vs 98 dB (E) efficiency, but I wonder if there are other factors to consider.

As for the F# cab, I don't know what the efficiency is, but I bet that some of the people playing 7 and 8 string basses would be willing to feed it 800 or 900 watts or whatever it needs in exchange for hearing that low string really speak for the first time.
Hathor 1855 or TC118...
 
Duke, when you mentioned the E and F# versions, I thought a B version would be cool, and now you've come out with one. The 4/8 Ohm thing aside, would there be any disadvantage to using the B-cab with a standard tuned 4-string? There is the 97 dB (B) vs 98 dB (E) efficiency, but I wonder if there are other factors to consider.

Aside from the fact that you'd need more amp to get to the same SPL, there are no disadvantages at all to using the B version for low-E. In my opinion it would probably sound better than the E version, as I like the woofer in the B version better. Unfortunately that better woofer is also more expensive.

As for the F# cab, I don't know what the efficiency is, but I bet that some of the people playing 7 and 8 string basses would be willing to feed it 800 or 900 watts or whatever it needs in exchange for hearing that low string really speak for the first time.

Efficiency of the woofer in the F# version is down around 93 dB. I'd run the woofer fullrange and bring in the two 3" cones on top, with some overlap., so perhaps 94 dB could reasonably be claimed. I'll probably go ahead with it at some point, as it uses the same box as the other two, so development cost is minor (I already have the woofer on hand).

A sidebar example on how I run the efficiency numbers, if you don't mind: The Faital 15PR400 is rated at 99 dB, its curve justifies that claim, and its calculated pistonic efficiency (based on T/S parameters) is 97 dB. So I added the two little cone mids and claimed 98 dB for the H1533-E. This is generally what I do in the Hathor series: Claim about 1 dB higher than the calculated pistonic efficiency because I'm adding some upper mids, but my numbers still end up being lower than the manufacturer's published curve shows, so I don't think I'm fudging too much.
 
Thank you sir! I do my best to at least talk a good game!



No problem, I just wanted to explain for anyone who was wondering why my cabs are a bit heavier. Air-moved-per-pound and power-handling-per-pound (both thermal and mechanical) and sound-per-pound, I think mine are competitive, but they are only ho-hum when it comes to cone-area-per-pound.



Yes, I made trade-offs in going for the compact end of the spectrum. Roger's larger cab with that magnificent Faital 6" mid does a lot of things very well, and I deliberately steered clear of copying him - what he's doing is being done well.

Just for fun, you might try running the 1203 stack with the port plugged on one cab. I liked some things about that configuration, and the woofers have enough x-max that I don't think you'll run into fartout. You might get a bit more thermal compression at the end of a set from the sealed cab, if you're pushing them hard. But if you have a few spare minutes next time you try 'em both in practice, give it a shot and see what you think.
Is that the Faital M6N8 mid, on buyout special at Parts Express today?
 
Aside from the fact that you'd need more amp to get to the same SPL, there are no disadvantages at all to using the B version for low-E. In my opinion it would probably sound better than the E version, as I like the woofer in the B version better. Unfortunately that better woofer is also more expensive.



Efficiency of the woofer in the F# version is down around 93 dB. I'd run the woofer fullrange and bring in the two 3" cones on top, with some overlap., so perhaps 94 dB could reasonably be claimed. I'll probably go ahead with it at some point, as it uses the same box as the other two, so development cost is minor (I already have the woofer on hand).

A sidebar example on how I run the efficiency numbers, if you don't mind: The Faital 15PR400 is rated at 99 dB, its curve justifies that claim, and its calculated pistonic efficiency (based on T/S parameters) is 97 dB. So I added the two little cone mids and claimed 98 dB for the H1533-E. This is generally what I do in the Hathor series: Claim about 1 dB higher than the calculated pistonic efficiency because I'm adding some upper mids, but my numbers still end up being lower than the manufacturer's published curve shows, so I don't think I'm fudging too much.
Thanks, Duke. I am prone to the occasional ramble myself, and generally appreciate informative and interesting sidebars.
 
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Been commnicating with both Duke and Mike. My amp is the new Demeter VTBPM800D, 500 into 8ohms, 800 into 4 ohms. Main axe is Ric with steel rounds, so clank, growl, and grind is my favorite thing. I also have two basses with flats, so I need more versatility than grind only, need to do some blues, McCartney-esq stuff, and vintagy P-bass thump as well.

I have a fEARful 15/6 I built, it does a nice job. I usually plug one side of that horizontal port. I originally had a pair, but could no longer transport the pair together, so I sold one off. Downside, it is heavy, perhaps 63 pounds. Was looking at possibly the Hathor 1855, or a pair of Hathor 1203 cabs. The stack of 1203's would get me to my amps full 800 watts, but I recall a post earlier where Duke indicated the 1855 would go lower and get grindier than a stack of 1203's. I was not clear if this was for the same wattage, or if a stack of 1203's drawing almost double the wattage would be similar the 1855. Also talked to Mike about his Flex210 Mod. His 112 may go too low, if there is such a thing.

Duke, any suggestions would be very helpful. Any others with ideas are most welcome too.
 
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LeonD and I both have TC115-8 cabs (about 34.5 lbs). Leon has that VTBPM800D amp and it sounds incredible with this cab. The 1203's are interesting in that they are a good modular setup (a pair). Not sure if they go as low as the TC115 or not. I'm sure Leon can tell you more about that amp/cab pairing.
 
My fEARful 15/6 does the job for now, but I have two concerns. #1) It is heavy. #2) It is limited in output as it is just one 15" cab.
My plans are to research possible replacements that would be lighter and be able to go louder. (Even if is replaced with two cabs for more total weight, each cab itself would be a lighter carry for me.) Contenders are the Hathor 1855, a stack of the 1203's, MAS Flex210 Mod, and I even considered the Greenboy F212. The last two on my list are topping out price-wise, may not be affordable to me.
 
I can't speak for the Hathor line but the Demeter does sound awesome thru the ThunderChild. At first, I was concerned about only using a single, 8 ohm cab with that amp. Even when I didn't have FOH support, I never felt lacking for volume.

The 112 and 212 TC's look interesting, but from what I read, they are a more "polite" sounding cab. The paper coned mids on the Hathors may be better for overdrive or grind, but perhaps I am mistaken.