Altec / GPA measurements: 416

[gearfreak]

DATS impedance and free air parameter results for pair of:
GPA 416-8C
+81 gram added mass measurements included for working out other parameters

BBCode for TABLE is not working, so inserted using the CODE tag instead.
L(e) value should be:
@1k (text)
@10k (gui readout)

416-8C	A		A +81g				B		B +81g
f(s)=	20.86 Hz	14.8 Hz				19.51 Hz	14.13 Hz
R(e)= 	7.668 Ohms	7.707 Ohms			7.487 Ohms	7.512 Ohms
Z(max)= 151.4 Ohms	113.9 Ohms			162.3 Ohms	123.1 Ohms
Q(ms)= 	5.56		6.537				5.535		6.609
Q(es)= 	0.2967	 	0.4745				0.2677		0.4296
Q(ts)= 	0.2817	 	0.4424				0.2554		0.4034
V(as)=
L(e)= 	1.442 mH	1.558 mH			1.365 mH	1.531 mH
n(0)= 
SPL= 
M(ms)=
C(ms)=
BL= 0 
K(r)= 	0.08542 	0.08702 			0.07797		0.08007
X(r)= 	0.5162 		0.5158 				0.5203		0.5192
K(i)= 	0.02763 	0.03  				0.02026		0.02136
X(i)= 	0.6232 		0.6159 				0.6521		0.6479

For my 515 test results, see:
Altec / GPA measurements: 515 - diyAudio

*The attached image should be large (full-screen-ish) but I suspect that it was resampled during the attachment by HB.
Let's see what shows up...

[Earl K]

Thanks for the TS numbers // unfortunately this HostBoard software makes hosting images here ( such as yours ) mostly un-readable .

- For instance, your DATs pic ( gets down-sized ) + ends up being about 1/2- 2/3 the real size of a pack of cigarettes when placed against my monitor ( meaning only the trace is visible ).

Off-world hosting ( ha-ha! ) is still recommended ( but apparently, no-longer allowed ).

[gearfreak]

My pleasure EarlK. Given the suspicion surrounding published specs, some 'real world' examples seem warranted.

attachments/pics: Will follow up via your other post.