Need a replacement for the GTO1214 subwoofer driver.

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speakrsrfun

speakrsrfun

Member
Joined 2005
Hey folks, can anyone recommend a driver that they could compare with the JBL GTO1214 12" subwoofer. I killed two tonight and need something to replace them aaaand since I can't find a single one of them anywhere I'm going to have to work with something comparable. I can easily look at the TS params and get something similar, but it seems the high QMS of 10.7 is a little hard to match. Anyone have any suggestions? They fill a hole in my 18Hz tapped horns.

Thanks in advance.

Shane
 
academia50

academia50

Member
Joined 2013
Crashpc said:
I'm not sure how much cone excursion is needed here.
Click to expand...



JBL GTO 1214

Thiele-Small parameters
FS(Hz) 28
VAS(l.) 58.2
QTS 0.47
QMS 10.7
QES 0.492
BL(Tm) 16.7
CMS(mm/N) 0.157
RMS(kg/s) 3.387
LE(mH) 0
MMS(gr) 206
VD(l.) 0.741
SD(mm.2) 51125
X-Max(mm.) 14.5
X-Mech(mm.) 0
RE(Ohm) 3.79
General specifications
Max power(W.) 1400
RMS power(W.) 350
Number of coils 1
Impedance Z-Nom(Ohm) 4
Reference efficiency η0(%) 0
Sensitivity(dB) 1-W 86
Sensitivity(dB) 2.8-V 0
Mounting information
Speaker displacement(l.) 0
Total diameter(mm.) 0
Cutout diameter(mm.) 278
Mounting depth(mm.) 160
Magnet diameter(mm.) 0
Manufacturer recommendations
No data


:)
 
Last edited:
academia50

academia50

Member
Joined 2013
Crashpc said:
Academia50: well, previous drivers specs do not look like requirement for the next driver. Or at least it doesn't seem to be from the discussion...
Click to expand...

I don't understand that point, what is the discussion here? The OP looks for a driver (it is supposed to be in its TS) to replace JBL GTO1214.
Then you appear and recommend two options but you mention that you do not know the Xmax of the original.
Then I provide all the complete data.
This thread started badly, I think we would have to rephrase if QTS is important in a threaded horn .....:confused:
I have real interest in knowing the answer
 
C

Crashpc

Member
Joined 2008
No, I knew those JBL drivers hang around 14mm of Xmax, I was not asking for Xmax of the driver. The horn design and capabilities are rather unknown to us, so there is possibility that mote durable and more capable driver can fit in. But to choose the right one, one should at least know cone displacement requirements.
 
academia50

academia50

Member
Joined 2013
Crashpc said:
No, I knew those JBL drivers hang around 14mm of Xmax, I was not asking for Xmax of the driver. The horn design and capabilities are rather unknown to us, so there is possibility that mote durable and more capable driver can fit in. But to choose the right one, one should at least know cone displacement requirements.
Click to expand...




This looks too much like a dialogue in the Tower of Babel ....

Again, forget the Xmax, is the QTS parameter important in a folded horn?
If so, what percentage can it influence?

But you can answer me next year, there's no hurry, have a Happy New Year, friend !

;):D

Speaker Box Calculations
 
speakrsrfun

speakrsrfun

Member
Joined 2005
speakrsrfun

speakrsrfun

Member
Joined 2005
The Pioneer TS-W1200PRO looks interesting.

Subwoofer Pioneer TS-W1200PRO specifications.

FS is a bit high though and Xmax is a tad short. But BL, efficiency and Q looks workable.

So far the short list is;

Eminence Lab12
Pioneer ts-w1200pro
Precision Devices PD.12SB30
Fane FC-123F01

Still not ideal and seems most will lack extension, but I may be able to get away with a 25HZ highpass.

Hey @The Lord Flashheart, the JL audio may work also, but it's a tad higher in price than what I wanted to spend and you're honestly not getting much for the money you spend with JL.
 
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