3M Audio Open Reel Tapes

3M

Audio Reel

Tapes

Product Number Est. Yr. Intro'd Binder Type Oxide Ctg Color Base Material Base Caliper Oxide Caliper Total Caliper Back Treated Remanence Coercivity Retentivity Special Feature

mils mils mils flux lines Oersteds Gauss

100 1947 A black paper 1.5 0.7 2.2 no 0.6 320 550

101 1948 B brown paper 1.5 0.5 2 no 0.64 270 900

102 (111AM) 1953 B brown polyester 1.45 0.5 1.95 no 0.64 270 900

111 (111A) 1948 B brown acetate 1.42 0.5 1.92 no 0.64 270 900

112 1948 B brown acetate 1.42 0.7 2.12 no 0.45 170 450 tape for Ampex 200A

120 (120A) 1953 B dark green acetate 1.42 0.65 2.07 no 1.1 260 1170

122 (120AM) 1954 B dark green polyester 1.45 0.65 2.1 no 1.1 260 1170

131 1958 B brown acetate 1.42 0.4 1.82 no 0.64 270 1000

138 1958 B brown polyester 1.45 0.4 1.85 no 0.64 270 1000

139 1958 B brown polyester 0.92 0.4 1.32 no 0.64 270 1000

140 1960 B brown acetate 1.42 0.35 1.77 no 0.64 260 1100

141 1960 B brown polyester 1.45 0.35 1.8 no 0.64 260 1100

142 1960 B brown polyester 0.92 0.35 1.27 no 0.64 260 1100

144 1960 B brown polyester 0.5 0.35 0.85 no 0.64 260 1100

150 1954 B red/brown polyester 0.92 0.35 1.27 no 0.64 260 1100

151 1964 B brown polyester 0.92 0.43 1.45 * 0.64 270 950 back lubricated tape

152 1964 B brown polyester 0.92 0.43 1.92 * 0.64 270 950 double ctd lube tape

153 1965 D black polyester 0.92 0.43 1.43 * 0.64 265 940 back lubricated tape

154 1972 E brown polyester 0.92 0.27 1.3 * 0.5 280 1150 back lubricated tape

156 1972 E brown polyester 0.92 0.27 1.3 * 0.5 280 1150 back lubricated tape

157 1973 E brown polyester 0.75 0.38 1.23 * 0.64 320 1050 back lubricated tape

158 1973 E brown polyester 0.92 0.27 1.3 * 0.47 320 1050 back lubricated tape

175 1965 C black polyester 1.42 0.5 1.92 no 0.72 275 900

176 (211, 228) 1972 E brown polyester 1.42 0.4 1.82 no 0.64 325 1025

177 (212, 229) 1972 E brown polyester 0.92 0.4 1.32 no 0.64 325 1025

178 (213) 1972 E brown polyester 0.5 0.4 0.9 no 0.64 325 1025

179 (214) 1972 E brown polyester 0.43 0.24 0.67 no 0.39 325 1025

186 1989 L brown polyester 1.46 0.36 1.82 no 0.68 365 1190

190 1954 B red/brown acetate 0.95 0.35 1.3 no 0.64 260 1100

200 1957 B red/brown polyester 0.5 0.35 0.85 no 0.64 260 1100

201 1962 C black acetate 1.42 0.51 1.93 no 0.64 315 790

202 1962 C black polyester 1.42 0.51 1.93 no 0.64 315 790

203 1962 C black polyester 0.92 0.51 1.43 no 0.64 315 790

206 1969 D black polyester 1.42 0.56 2.08 yes 0.93 320 1050

207 1969 D black polyester 0.85 0.56 1.51 yes 0.93 320 1050

208 1971 D black polyester 1.42 0.4 1.9 yes 0.64 330 1000

209 1971 D black polyester 0.92 0.4 1.4 yes 0.64 330 1000

217 1982 H brown polyester 0.56 0.34 0.98 * 0.75 360 1400 back lubricated tape

219 1985 H brown polyester 0.79 0.38 1.25 * 0.75 360 1250 back lubricated tape

226 1979 H brown polyester 1.3 0.56 1.94 yes 1.25 360 1400

227 1980 H brown polyester 0.79 0.56 1.43 yes 1.25 360 1400

250 1974 F brown polyester 1.3 0.68 2.06 yes 1.3 380 1200

265 1977 K brown polyester 0.79 0.15 1.04 yes 0.32 700 1350 digital tape

275 1984 L dark brown polyester 0.79 0.19 1.04 yes 0.45 710 1400 digital tape

282 1960 B red/brn,blk/brn polyester 1.42 0.39 1.85 no 0.64 260 1030 mag layer overcoat

283 1960 B red/brown polyester 0.92 0.39 1.35 no 0.64 260 1030 mag layer overcoat

290 1964 C black polyester 0.5 0.17 0.67 no 0.25 265 900

294 1965 C black polyester 0.6 0.43 1.03 no 0.64 265 940

295 1974 E brown polyester 0.43 0.18 0.68 yes 0.36 315 1260 logging tape

296 1974 E brown polyester 0.85 0.18 1.1 yes 0.36 315 1260 logging tape

311 1960 B brown pvc 1.42 0.38 1.8 no 0.63 260 1050

806 1986 H brown polyester 1.42 0.4 1.9 yes 0.9 370 1400

807 1986 H brown polyester 0.92 0.4 1.4 yes 0.9 370 1400

808 1986 H brown polyester 1.46 0.32 1.86 yes 0.67 360 1320

809 1986 H brown polyester 0.92 0.32 1.32 yes 0.67 360 1320

908 1993 I brown polyester 1.38 0.36 1.82 yes 0.9 365 1600

966/986 1992 I brown polyester 1.38 0.49 1.95 yes 1.25 365 1600

967 1992 I brown polyester 0.92 0.49 1.49 yes 1.25 365 1600

996 1990 I brown polyester 1.42 0.63 2.13 yes 1.7 360 1700

8135 1972 E brown polyester 0.43 0.2 0.7 yes 0.38 315 1250 logging tape

8136 1972 E brown polyester 0.85 0.2 1.12 yes 0.38 315 1250 logging tape

8206 1977 J dark brown polyester 0.79 0.2 1.05 yes 0.34 345 1050 logging tape

8207 1977 J dark brown polyester 0.43 0.2 0.69 yes 0.34 345 1050 logging tape

8265 1981 K brown polyester 0.92 0.16 1.14 yes 0.32 650 1250 digital tape

8614 1978 J dark brown polyester 0.79 0.2 0.99 no 0.34 345 1050 logging tape

Classic DP 1975 H brown polyester 0.42 0.48 0.98 yes 0.9 350 1200

Classic LP 1975 H brown polyester 0.8 0.48 1.36 yes 0.9 350 1200

Classic SP 1975 H brown polyester 1.42 0.48 1.98 yes 0.9 350 1200

Master 1978 H brown polyester 0.8 0.48 1.36 yes 0.9 350 1200

Master XS 1980 H brown polyester 0.79 0.56 1.43 yes 1.25 360 1400

rev.3, 2/9/00

scotch

3M
Audio Reel
Tapes
Product Number	Est. Yr. Intro'd	Binder Type	Oxide Ctg Color	Base Material	Base Caliper	Oxide Caliper	Total Caliper	Back Treated	Remanence	Coercivity	Retentivity	Special Feature
					mils	mils	mils		flux lines	Oersteds	Gauss
100	1947	A	black	paper	1.5	0.7	2.2	no	0.6	320	550
101	1948	B	brown	paper	1.5	0.5	2	no	0.64	270	900
102 (111AM)	1953	B	brown	polyester	1.45	0.5	1.95	no	0.64	270	900
111 (111A)	1948	B	brown	acetate	1.42	0.5	1.92	no	0.64	270	900
112	1948	B	brown	acetate	1.42	0.7	2.12	no	0.45	170	450	tape for Ampex 200A
120 (120A)	1953	B	dark green	acetate	1.42	0.65	2.07	no	1.1	260	1170
122 (120AM)	1954	B	dark green	polyester	1.45	0.65	2.1	no	1.1	260	1170
131	1958	B	brown	acetate	1.42	0.4	1.82	no	0.64	270	1000
138	1958	B	brown	polyester	1.45	0.4	1.85	no	0.64	270	1000
139	1958	B	brown	polyester	0.92	0.4	1.32	no	0.64	270	1000
140	1960	B	brown	acetate	1.42	0.35	1.77	no	0.64	260	1100
141	1960	B	brown	polyester	1.45	0.35	1.8	no	0.64	260	1100
142	1960	B	brown	polyester	0.92	0.35	1.27	no	0.64	260	1100
144	1960	B	brown	polyester	0.5	0.35	0.85	no	0.64	260	1100
150	1954	B	red/brown	polyester	0.92	0.35	1.27	no	0.64	260	1100
151	1964	B	brown	polyester	0.92	0.43	1.45	*	0.64	270	950	back lubricated tape
152	1964	B	brown	polyester	0.92	0.43	1.92	*	0.64	270	950	double ctd lube tape
153	1965	D	black	polyester	0.92	0.43	1.43	*	0.64	265	940	back lubricated tape
154	1972	E	brown	polyester	0.92	0.27	1.3	*	0.5	280	1150	back lubricated tape
156	1972	E	brown	polyester	0.92	0.27	1.3	*	0.5	280	1150	back lubricated tape
157	1973	E	brown	polyester	0.75	0.38	1.23	*	0.64	320	1050	back lubricated tape
158	1973	E	brown	polyester	0.92	0.27	1.3	*	0.47	320	1050	back lubricated tape
175	1965	C	black	polyester	1.42	0.5	1.92	no	0.72	275	900
176 (211, 228)	1972	E	brown	polyester	1.42	0.4	1.82	no	0.64	325	1025
177 (212, 229)	1972	E	brown	polyester	0.92	0.4	1.32	no	0.64	325	1025
178 (213)	1972	E	brown	polyester	0.5	0.4	0.9	no	0.64	325	1025
179 (214)	1972	E	brown	polyester	0.43	0.24	0.67	no	0.39	325	1025
186	1989	L	brown	polyester	1.46	0.36	1.82	no	0.68	365	1190
190	1954	B	red/brown	acetate	0.95	0.35	1.3	no	0.64	260	1100
200	1957	B	red/brown	polyester	0.5	0.35	0.85	no	0.64	260	1100
201	1962	C	black	acetate	1.42	0.51	1.93	no	0.64	315	790
202	1962	C	black	polyester	1.42	0.51	1.93	no	0.64	315	790
203	1962	C	black	polyester	0.92	0.51	1.43	no	0.64	315	790
206	1969	D	black	polyester	1.42	0.56	2.08	yes	0.93	320	1050
207	1969	D	black	polyester	0.85	0.56	1.51	yes	0.93	320	1050
208	1971	D	black	polyester	1.42	0.4	1.9	yes	0.64	330	1000
209	1971	D	black	polyester	0.92	0.4	1.4	yes	0.64	330	1000
217	1982	H	brown	polyester	0.56	0.34	0.98	*	0.75	360	1400	back lubricated tape
219	1985	H	brown	polyester	0.79	0.38	1.25	*	0.75	360	1250	back lubricated tape
226	1979	H	brown	polyester	1.3	0.56	1.94	yes	1.25	360	1400
227	1980	H	brown	polyester	0.79	0.56	1.43	yes	1.25	360	1400
250	1974	F	brown	polyester	1.3	0.68	2.06	yes	1.3	380	1200
265	1977	K	brown	polyester	0.79	0.15	1.04	yes	0.32	700	1350	digital tape
275	1984	L	dark brown	polyester	0.79	0.19	1.04	yes	0.45	710	1400	digital tape
282	1960	B	red/brn,blk/brn	polyester	1.42	0.39	1.85	no	0.64	260	1030	mag layer overcoat
283	1960	B	red/brown	polyester	0.92	0.39	1.35	no	0.64	260	1030	mag layer overcoat
290	1964	C	black	polyester	0.5	0.17	0.67	no	0.25	265	900
294	1965	C	black	polyester	0.6	0.43	1.03	no	0.64	265	940
295	1974	E	brown	polyester	0.43	0.18	0.68	yes	0.36	315	1260	logging tape
296	1974	E	brown	polyester	0.85	0.18	1.1	yes	0.36	315	1260	logging tape
311	1960	B	brown	pvc	1.42	0.38	1.8	no	0.63	260	1050
806	1986	H	brown	polyester	1.42	0.4	1.9	yes	0.9	370	1400
807	1986	H	brown	polyester	0.92	0.4	1.4	yes	0.9	370	1400
808	1986	H	brown	polyester	1.46	0.32	1.86	yes	0.67	360	1320
809	1986	H	brown	polyester	0.92	0.32	1.32	yes	0.67	360	1320
908	1993	I	brown	polyester	1.38	0.36	1.82	yes	0.9	365	1600
966/986	1992	I	brown	polyester	1.38	0.49	1.95	yes	1.25	365	1600
967	1992	I	brown	polyester	0.92	0.49	1.49	yes	1.25	365	1600
996	1990	I	brown	polyester	1.42	0.63	2.13	yes	1.7	360	1700
8135	1972	E	brown	polyester	0.43	0.2	0.7	yes	0.38	315	1250	logging tape
8136	1972	E	brown	polyester	0.85	0.2	1.12	yes	0.38	315	1250	logging tape
8206	1977	J	dark brown	polyester	0.79	0.2	1.05	yes	0.34	345	1050	logging tape
8207	1977	J	dark brown	polyester	0.43	0.2	0.69	yes	0.34	345	1050	logging tape
8265	1981	K	brown	polyester	0.92	0.16	1.14	yes	0.32	650	1250	digital tape
8614	1978	J	dark brown	polyester	0.79	0.2	0.99	no	0.34	345	1050	logging tape
Classic DP	1975	H	brown	polyester	0.42	0.48	0.98	yes	0.9	350	1200
Classic LP	1975	H	brown	polyester	0.8	0.48	1.36	yes	0.9	350	1200
Classic SP	1975	H	brown	polyester	1.42	0.48	1.98	yes	0.9	350	1200
Master	1978	H	brown	polyester	0.8	0.48	1.36	yes	0.9	350	1200
Master XS	1980	H	brown	polyester	0.79	0.56	1.43	yes	1.25	360	1400
rev.3, 2/9/00
scotch