PMT Audio
RTM SM 911

RTM

SM 911

Analog Tape

Specs

Type
Standard bias compatible, high output studio and archive tape, backcoated
Operating level
up to +6dB
Formats
¼” on 7" plastic Trident reel (366m), ¼” on 10.5" metal NAB reel (762m), ¼” on 10.5" plastic Trident reel (762m), ¼” pancake 762m (10"), ¼” pancake 1100m (12"), ½” on 10.5" metal NAB reel (762m), ½” pancake 762m (10"), 1" on 10.5" metal NAB reel (762m), 2" on 10.5" metal NAB reel (762m)
Tape widths
6.3 /12.7/25.4 /50.8 mm (¼, ½, 1, 2 inch)
Tolerances of tape width
+0.0 /-0.06 mm (+0.0 /-2.4 mil)
Base material
Polyester
Base thickness
30.0 µm (1.18 mil)
Coating thickness
16.0 µm (0.63 mil)
Total thickness
50.0 µm (1.97 mil)
Backcoating
black
Coercivity
25.5 kA/m (320 Oe)
Retentivity
145 mT (1450 G)
Saturation flux
2320 nWb/m
Orientation
longitudinal
Recommended bias setting
0.0 dB (30 ips), 0.0 dB (15 ips), 0.0 dB (7.5 ips)
Sensitivity drop for recommended bias setting (ΔS10)
1.5 dB (30 ips), 3.0 dB (15 ips), 6.5 dB (7.5 ips)
Maximum output level at 1 kHz, THD = 3%
13.0 dB (30 ips), 12.5 dB (15 ips), 10.0 dB (7.5 ips)
Maximum output level at 1 kHz, THD = 1%
10.0 dB (30 ips), 9.0 dB (15 ips), 6.0 dB (7.5 ips)
Dynamic range (MOL/BNIEC)
76.5 dB (30 ips), 73.0 dB (15 ips), 72.5 dB (7.5 ips)
Print-through
58.0 dB (30 ips), 56.0 dB (15 ips), 57.0 dB (7.5 ips)
Leader tape
No leader tape included
Made in
France

Source: RTM SM911 technical data sheet (PDF)