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HZ SB600 LMS settings please?!!
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TMH Music View Drop Down
Young Croc
Young Croc
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Joined: 07 April 2011
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Points: 667 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TMH Music Quote  Post ReplyReply Direct Link To This Post Topic: HZ SB600 LMS settings please?!!
    Posted: 14 February 2026 at 12:37am
Hi folks, so I’ve searched this ‘ere forum and the google version of ‘tinterweb, but in the immortal words of the song “I still haven’t found what I’m looking for” (the Chimes version is the best; prove I’m wrong!!!). Plenty of discussion regarding suitable replacement drivers, but not the actual info I need. As alluded to in the title of this post, I’m after suitable settings on an ultradrive, for the HZ SB600. On one of the threads that I’ve read, someone who said he knew the designer of these cabinets, said that between them they had worked out suitable settings, to make the most of these cabinets. I’ve just acquired a pair of these subs, so would like to see what they can do with a properly set high pass filter, crossover point and suitable EQ.

Much you very thank, wise collective!
Nothing is foolproof because fools are so ingenious
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Old Croc
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Points: 1740 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMorison Quote  Post ReplyReply Direct Link To This Post Posted: 14 February 2026 at 2:50pm
Nah, The Light Parade's version is better: https://www.youtube.com/watch?v=GcOT_gSXIA0

Can't help with the sub info though, sorry.
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Young Croc
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Points: 667 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TMH Music Quote  Post ReplyReply Direct Link To This Post Posted: 25 February 2026 at 4:42pm
Bump!! Really??!! No one??!!??
Nothing is foolproof because fools are so ingenious
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Young Croc
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Points: 770 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KDW32 Quote  Post ReplyReply Direct Link To This Post Posted: 25 February 2026 at 6:29pm
Is that a plastic box thing for Disco Dave's to have some sort of fun with back in the day? Kind off looked like it was made out of a wheelie bin? 
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Old Croc
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Points: 4364 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 4D Quote  Post ReplyReply Direct Link To This Post Posted: 25 February 2026 at 9:02pm
Originally posted by TMH Music TMH Music wrote:

Bump!! Really??!! No one??!!??

hazard a guess in @ but24 55hz  out @ lr24 90hz +6db or (how low do your mid highs play) 
DMZ. "The bass was intense. Girls were literally running up to stand next to the subs"
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Old Croc
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Points: 3237 		Post Options Post Options   Thanks (0) Thanks(0)   Quote paulus Quote  Post ReplyReply Direct Link To This Post Posted: 26 February 2026 at 11:15am
i  have a soft spot for the hz stuff , the hz500 3 way top was a cool little thing when it came out in the 90s ported on the bottom 
i used those bass, they act have a good driver in 
i did bw45hz 48db and 110 48db bw , they act sounded ok in little pubs 
TRENDSETTER SOUND SYSTEM
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Points: 4125 		Post Options Post Options   Thanks (0) Thanks(0)   Quote djeddie Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2026 at 9:21pm

If it's any help, here's the info I got from Dave (Hz bloke)... you should be able to work out the settings from that, it's what I did and they sounded fine.
Chas n Dave : it's like Drum and Bass but with beards.             E=mc² ±3dB
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Young Croc
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Points: 667 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TMH Music Quote  Post ReplyReply Direct Link To This Post Posted: 18 March 2026 at 1:00am
Ta ever so, folks! If I'm reading djeddie's graph right, the EQ curve shows roughly the following; +3dB @ 20Hz, +7dB @ 30Hz, +8dB @ 40Hz, +7dB @ 50Hz, +6dB @ 60Hz, +5dB from 70Hz to just below 150Hz, then a -6dB scoop-out centred around 500Hz with a Q of about 0.4 (looks like it's around a 3 octave bandwidth, to me at least!).

This being a BP6 enclosure, which are of course notorious for munching drivers, I think I'll start off my experiments at low volume with a 48BW HPF around 30-35Hz, then add in some 40Hz, Q3 and see what it does.

Wish me luck; I don't want to have to go back to the other threads I mentioned, looking for suitable replacement drivers!!
Nothing is foolproof because fools are so ingenious
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