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PD154 vs PD158 vs PD1550

Printed From: Speakerplans.com
Category: Plans
Forum Name: HD 15 horn
Forum Description: Discussion / Questions about the HD 15 horn
URL: https://forum.speakerplans.com/forum_posts.asp?TID=35857
Printed Date: 30 January 2023 at 10:04pm
Software Version: Web Wiz Forums 12.05 - http://www.webwizforums.com


Topic: PD154 vs PD158 vs PD1550
Posted By: tweeter box
Subject: PD154 vs PD158 vs PD1550
Date Posted: 12 February 2010 at 11:19pm
which would play the highest in a HD15 without sounding too honky

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PRECISION SOUND SYSTEM.

Feeding the peoples needs for Roots Music.

Strictly premium grade reggae and dub steppers from the early 70's to present day.



Replies:
Posted By: nomis
Date Posted: 13 February 2010 at 12:30am
you trying to meet the philishaves?


Posted By: mykey
Date Posted: 13 February 2010 at 5:56am
Originally posted by tweeter box tweeter box wrote:

which would play the highest in a HD15 without sounding too honky
too honky! Too white!! thats racist lol

1550 is a great driver, also the 154, not sure how they would be in the HD15 though

but the way you put your systems together I suppose it won't matter

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......just all them hanging there like giant bananas.



Posted By: tweeter box
Date Posted: 13 February 2010 at 5:55pm
Originally posted by nomis nomis wrote:

you trying to meet the philishaves?
 
basically yeah, but i wanna get a decent amount of power out of them aswell, wouldnt 1550's do it?
 
Originally posted by mykey mykey wrote:

Originally posted by tweeter box tweeter box wrote:

which would play the highest in a HD15 without sounding too honky
too honky! Too white!! thats racist lol

1550 is a great driver, also the 154, not sure how they would be in the HD15 though

but the way you put your systems together I suppose it won't matter
oi cheeky LOL

-------------
PRECISION SOUND SYSTEM.

Feeding the peoples needs for Roots Music.

Strictly premium grade reggae and dub steppers from the early 70's to present day.


Posted By: dj-panoramix
Date Posted: 13 February 2010 at 10:43pm
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):


Posted By: mykey
Date Posted: 14 February 2010 at 3:38am
if you can handle the weight Tweet, the 1550 is a totally different beast

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......just all them hanging there like giant bananas.



Posted By: rich_gale
Date Posted: 14 February 2010 at 4:01am
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? :)


Posted By: billso
Date Posted: 14 February 2010 at 1:22pm
I once tried some 1550s in the jbl equivalent of the hd15 and it sounded dreadfull.


Posted By: tweeter box
Date Posted: 14 February 2010 at 4:39pm
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? Confused

-------------
PRECISION SOUND SYSTEM.

Feeding the peoples needs for Roots Music.

Strictly premium grade reggae and dub steppers from the early 70's to present day.


Posted By: fat_brstd
Date Posted: 14 February 2010 at 5:06pm
Originally posted by tweeter box tweeter box wrote:

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? Confused


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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Adrians Wall Sound System
Melbournes Rootical Warrior
Roots - Dub - Steppers

http://www.facebook.com/adrians.wall" rel="nofollow - facebook page


Posted By: tweeter box
Date Posted: 25 February 2010 at 9:42am
this is weird coz the PD158 plots are smoother louder than the PD154, so i still dont get why 154 is the recomended driver??

-------------
PRECISION SOUND SYSTEM.

Feeding the peoples needs for Roots Music.

Strictly premium grade reggae and dub steppers from the early 70's to present day.


Posted By: ultramars10
Date Posted: 17 May 2016 at 1:36am
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 Star


Posted By: ultramars10
Date Posted: 17 May 2016 at 3:08pm
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 Smile


Posted By: ultramars10
Date Posted: 09 June 2016 at 1:42am
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 ?


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"If it sounds right, it's right" (Joe Meek)


Posted By: corell
Date Posted: 09 June 2016 at 3:02am
no. the magnet is still a PD158, not 1550.


Posted By: ultramars10
Date 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 LOL


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"If it sounds right, it's right" (Joe Meek)



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