PD154 vs PD158 vs PD1550 |
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ultramars10
Registered User Joined: 29 September 2012 Location: amsterdam Status: Offline Points: 26 |
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Posted: 09 June 2016 at 3:17am |
looking again at the specs, i see indeed that the flux density and Magnet Gap Depth are different, so theses are different magnets indeed.
Thanx for this valuable answer anyway, u just saved a fully functionnal PD 158 membrane |
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"If it sounds right, it's right" (Joe Meek)
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corell
Young Croc Joined: 19 August 2013 Location: Berlin Status: Offline Points: 1161 |
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no. the magnet is still a PD158, not 1550.
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ultramars10
Registered User Joined: 29 September 2012 Location: amsterdam Status: Offline Points: 26 |
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Hello again,
one question: is it possible for me to recone a PD 158 basket with a PD 1550 recone kit ? will that make a PD1550 then ? Edited by ultramars10 - 09 June 2016 at 1:42am |
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"If it sounds right, it's right" (Joe Meek)
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ultramars10
Registered User Joined: 29 September 2012 Location: amsterdam Status: Offline Points: 26 |
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If anything, the PD 1550 has lower Le, lower EBP and lighter mms than the PD 154, wich i read in this section of the forum is all better for playing higher frequencies. I used the 1550 succesfully up to 350 hz in a bass reflex box, and i liked the result very much
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ultramars10
Registered User Joined: 29 September 2012 Location: amsterdam Status: Offline Points: 26 |
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Hello,
i've just made this test last week with the PD 1550 and PD 158 drivers i have, and the PD 154 and HD15 that some friends have. We put the HD's loaded with PD 1550 and PD 158 next to one loaded with pd154, and fed them with the same signal amplified by the same amp: a loop taken from the begining of a track i made myself with the hardest kick i ever produced, band limited from 80hz to 250. We noticed that : - 1550 sounded nicer than 154, meaning more defined / musical in the high end, and more brutal alltogether somehow; - 154 sounded undefined and dull in the high end. Not to be used above 180 hz with that driver i'd say... - 158 sounds slighly less good than 154, but so little difference that it can be considered as equivalent. All three drivers were just about as loud, so difference was only in the quality of sound. Considered that 158 cost less and takes more power, i'd say it's a good alternative to 154, while i will keep on using the four PD1550 i have since i intend to cross them as high as 250 hz with my F1 R2SH |
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tweeter box
Old Croc Joined: 21 October 2007 Location: United Kingdom Status: Offline Points: 6784 |
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this is weird coz the PD158 plots are smoother louder than the PD154, so i still dont get why 154 is the recomended driver??
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fat_brstd
Old Croc Joined: 23 August 2008 Location: Melbourne, OZ Status: Offline Points: 2125 |
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Price. The difference in sound between the 154 and 1550 is so small that its not worth all the extra money. I havnt actually heard one but 2nd hand info says the 1550 is unimpressive in this cabinet considering what it can do in other boxes. |
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tweeter box
Old Croc Joined: 21 October 2007 Location: United Kingdom Status: Offline Points: 6784 |
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if the 1550 plots are so good and the driver can take/give that lil bit more then why is the pd154 the recomended driver?
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billso
Young Croc Joined: 03 February 2008 Location: town Status: Offline Points: 620 |
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I once tried some 1550s in the jbl equivalent of the hd15 and it sounded dreadfull.
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rich_gale
Old Croc Joined: 18 February 2008 Status: Offline Points: 2697 |
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158 is honky imo. id go with 1550 due to it only being slightly more money. lower fs but lower mms if i remember rightly. the 1550 may have a big ol xmax, but it is smooth higher than most 15's with that sort of xmax. it weired because the 188 is less honky than the 158 in my opinion. in using the 158 i think its reduntant when the 1550 is so close to the price with better lf/ lower fs/ lowe mms / better resale value.
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REFLEX ALL THE WAY.... (however, im playing with horns again...) That ok Mister Valiant? :)
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mykey
Old Croc Joined: 18 August 2005 Location: UK/Indonesia Status: Offline Points: 9680 |
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if you can handle the weight Tweet, the 1550 is a totally different beast
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dj-panoramix
Registered User Joined: 28 September 2005 Location: France Status: Offline Points: 462 |
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the 3 look pretty similar on sim,
0,5PI PD154(grey) VS PD158(black):
0,5PI PD154(grey) VS PD1550(black):
0,5PI PD158(grey) VS PD1550(black):
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