MS-1090

ACME MAGNETIC TAPES LTD.

*AUDIO MAGNETIC TAPE SPECIFICATIONS*
MS-1090
Measuring Condition	Unit	C-60	C-90
1.Tape speed	cm/s	4.76
2.Track Width	mm	0.6
3.Gap Length:
Record head	µm	3.0
Playback head	µm	1.5
4.Playback Equalization	µs	120+3180
5.Reference Tape		IEC-IR723DG

Electroacoustic Properties
1.working Bias	%	100(+0/-10)
2.Sensitivity at 315Hz	dB	> -1.4	> -1.4
3.Frequency Response
at 8KHz	dB	> +1.0	>=+0.4
at 12KHz	dB	> +1.2	>=+0.7
4.Maximum output level at
315Hz,THD:5%	dB	> +3.2	>=+3.0
5.Saturation level at 8KHz	dB	> -4.5	>=-4.5
at 10KHz	dB	> -7.0	>=-7.0
6.Signal to noise ratio	dB	< -50

Magnetic properties
1.Coercivity (Hc)	Oe	375	375
2.Rententivity(Br)	G	1300	1300
3.Squareness(Br/Bs)		0.88	0.88

Physical properties
1.Base material		semi Tensilized	Tensilized
		polyester film	polyester film
2.Tape width	mm	3.81(+0/-0.05)
3.Base thickness	µm	12	7.5
4.Coating thickness	µm	4.5(±0.5)	4.5(±0.5)
5.Total thickness	µm	16.5(±0.5)	12(±0.5)
6.Base film specifications:
Yield strength	kg/3.81	-
Breaking strength	mm	-
Residual elogation	kg/3.81	-
	mm
	%
7.Color	-	Tan	Tan

NOTE: SPECIFICATIONS MAY BE VARIED WITHOUT PRIOR NOTICE

Last Updated on 1999.08.20