Tannoy HPD295 /2528/ DU296

T&S parameters


 

T&S parameters of the HPD295/2528/ DU296 as supplied by Tannoy UK LTD:

 

TANNOY HI-FI	
THIELE-SMALL PARAMETERS	HPD295
	
Tannoy Ltd.,	
Rosehall Industrial Estate,	
Coatbridge,	
North Lanarkshire,	
ML5 4TF	
UK	
	

DRIVER TYPE: HPD295/ 2528/ DU296

DATE TESTED: -
NOTES:

Tannoy Ltd. The contents, information and copyright of this document are the sole property of TANNOY LTD
and may not be used for commercial gain without the express knowledge and permission of the owners.
Although believed accurate, no responsibility can be taken regarding the consequences of any errors or
omissions.
All measumements were made with the drive unit suspended in free air, with the free air resonance calculated
by the added mass technique, using a 0.1 ohm current sensing resistor. All figures are  10%, to allow for
manufacturing tolerences.



PARAMETER	VALUE	UNITS

Voice coil resistance, 		Re:	5,8	ohm
Free air resonant frequency, 	fs:	26	Hz
Moving mass, 			Mms:	34,4	gm
Electrical Q, 			Qes:	0,26	-
Mechanical & Acoustical Q, 	Qms:	2,2	-
Total Q,                        Qts:    0,23	-
Force factor, 			Bl:	11,2	N/A
Total suspension compliance, 	Cms:	1,1	mm/N
Equivalent volume compliance, 	Vas:	200	Litre
Mechanical resistance, 		Rms:	2,55	Mechanical ohm
Effective radiating area, 	 Sd:	360	sq. cm
Sensitivity (2.83V@1m, 20 deg. C):	91,2	dB

 

 

T&S parameters of the HPD295 as measured by:  Marcello Pellerano - Chiavari (ITALY)

 

======================== C L I O    M E A SU R E M E N T S ========================


Manufacturer:   TANNOY

Model:		HPD295 (1)

Date:03-01-2004
___________________________________________________________________________________

FS	23.2400 Hz		VAS	293.8123 L		RE	5.8000 W
QMS	4.5017  		QES	0.2968  		QTS	0.2785
Bラl	8.9863 Tラm		dBSPL	92.9657 		SD	0.0356 m2
CMS	1.6572 mm/N		MMS	28.3006 g		RMS	0.9180 WM
CAS	2.10E-6 m5/N		MAS	22.29 kg/m4		RAS	723 WA
CMES	350.4559 mF		LCES	133.8241 H		RES	87.9678 W
RAT	11689 WA		RMT	14.8410 WM		MMD	24.4935 g
ZMIN	6.6157 W		ZMAX	93.7678 W		ZAVG	35.9891 W
h0	1.1928 %		L1kHz	2.8231 mH		L10kHz	1.3916 mH


 
Manufacturer:	TANNOY

Model:		HPD295 (2)

Date:03-01-2004
___________________________________________________________________________________

FS	24.8694 Hz		VAS	239.5942 L		RE	5.8000 W
QMS	4.4282  		QES	0.2746  		QTS	0.2586
Bラl	10.0015 Tラm		dBSPL	93.3007 		SD	0.0356 m2
CMS	1.3514 mm/N		MMS	30.3061 g		RMS	1.0694 WM
CAS	1.72E-6 m5/N		MAS	23.87 kg/m4		RAS	842 WA
CMES	302.9697 mF		LCES	135.1791 H		RES	93.5370 W
RAT	14426 WA		RMT	18.3160 WM		MMD	26.4990 g
ZMIN	6.7284 W		ZMAX	99.3370 W		ZAVG	35.9820 W
h0	1.2885 %		L1kHz	2.7795 mH		L10kHz	1.3621 mH

 

 


 

PE1MMK Hans Hilberink, Marcello Pellerano - Chiavari (ITALY)

last update:  03-01-2004.