| Model | Year | Heads | F.R., ±3dB, Hz-kHz | W&F, WRMS, % | S/N, NR off, dB | S/N, Best NR, dB | NR & Bias | Rec. Cal. | Auto Reverse | Tape Drive | Capst. Drive | Motors | Meters | Weight, kg | Price, MSRP, USD | Notes |
| RS-275US | 1970 | 2 (HPF) |
20-15 | 0,2 | 50 | - | No | No | No | Open | Direct | 2 | VU | 8,5 | 250 | World's first direct-drive; Top loading |
| RS-277US | 1972 | 2 (P) |
20-14 | 0,25 | 54 | 60 | B | No | Yes | Open | Belt | 1 | VU | 6,4 | 300 | Top loading |
| RS-276US | 1972 | 2 (HPF) |
30-14 | 0,1 | 50 | 60 | B | Manual | No | Open | Direct | 2 | VU | 9,5 | 400 | Top loading |
| RS-279US | 1973 | 3 (HPF) |
30-14 | 0,1 | 50 | 60 | B | Manual | No | Open | Direct | 2 | VU | 9,5 | 500 | Top loading; Discrete 3 head |
| RS-271US | 1973 | 2 (HPF) |
20-14 | 0,15 | 45 | 55 | B | No | No | Open | Belt | 1 | VU | 6,0 | 250 | Top loading |
| RS-676US | 1974 | 2 (HPF) |
30-14 | 0,063 | 52 | 62 | B/FM | Manual | No | Open | Belt | 2 | VU | 10,5 | 460 | Horizontal tape transport |
| RS-610US | 1974 | 2 (HPF) |
50-12 | 0,15 | 49 | 57 | B | No | No | Open | Belt | 1 | VU | 6,0 | 250 | Top loading |
| RS-677US | 1976 | 2 (HPF) |
30-17 | 0,07 | 52 | 65 | B/FM | Manual | No | Open | Belt | 2 | VU | 12,0 | 500 | Horizontal tape transport |
| RS-2760U | 1976 | 2 (HPF) |
30-14 | 0,1 | 50 | 60 | B | Manual | No | Open | Direct | 2 | VU | 9,5 | 540 | Top loading |
| RS-671US | 1976 | 2 (HPF) |
30-14 | 0,063 | 52 | 62 | B | No | No | Open | Belt | 2 | VU | 9,4 | 400 | Horizontal tape transport |
| RS-640US | 1976 | 2 (HPF) |
30-16 | 0,08 | 51 | 64 | B | No | No | Open | Belt | 1 | VU | 5,7 | 349 | Top loading |
| RS-630US | 1976 | 2 (HPF) |
30-14 | 0,09 | 50 | 60 | B | No | No | Open | Belt | 1 | VU | 7,0 | 260 | Horizontal tape transport |
| RS-7900US | 1977 | 4* (HPF) |
25-23 | 0,03 | 63 | 73 | B | Manual | No | Closed | Direct | 5 | VU | 26,5 | 2 000 | Elcaset; Discrete 3 head; Pitch cont.; 4 DD; Ext. control unit; *1 prog. head |
| RS-7500US | 1977 | 3 (SP) |
25-22 | 0,06 | 60 | - | No | Manual | No | Closed | Belt | 1 | VU | 14,0 | 680 | Elcaset; Discrete 3 head |
| RS-9900US / RS-690U* | 1977 | 3 (HPF) |
25-20 | 0,04 | 57 | 67 | B/FM | Manual | No | Closed | Direct | 3 | VU | 24,0 | 1 600 | Two chassis; Disc. 3 head; Horiz. tape transp.; Rec. EQ cal.; *Japan. model |
| RS-686DS / D-86* |
1977 | 3 (F/HP) |
50-16 | 0,07 | 57 | 67 | B | No | No | Open | Belt | 1 | VU | 3,0 | 650 | Portable; Discrete 3 head; *Japanese model |
| RS-678US | 1977 | 2 (HPF) |
20-18 | 0,06 | 52 | 62 | B | No | No | Open | Belt | 2 | VU | 10,0 | 500 | Horizontal tape transport |
| RS-646DS / D-46* |
1977 | 2 (SP) |
50-14 | 0,1 | 55 | 65 | B | No | No | Open | Belt | 1 | VU | 5,7 | 320 | Portable; *Japanese model |
| RS-M85 | 1978 | 2 (SX) |
30-16 | 0,035 | 59 | 69 | B | Manual | No | Open | Quartz Direct | 2 | FL 12 | 10,5 | 650 | World's first Quartz D.D. |
| RS-M75 | 1978 | 2 (SX) |
30-16 | 0,035 | 59 | 69 | B | Manual | No | Open | Direct | 2 | FL 12 | 10,5 | 600 | |
| RS-M65 | 1978 | 2 (SX) |
30-16 | 0,035 | 59 | 69 | B | Manual | No | Open | Direct | 2 | FL 12 | 7,1 | 550 | |
| RS-631 | 1978 | 2 (HPF) |
30-17 | 0,06 | 57 | 67 | B | No | No | Open | Belt | 1 | VU | 7,8 | 300 | |
| RS-M95 | 1979 | 3 (HPF) |
20-20 | 0,03 | 60 | 70 | B | Manual | No | Closed* | Quartz Direct | 2 | FL 30 | 12,0 | 1 400 | *Back-tension pin |
| RS-M85mk2 | 1979 | 2 (SX) |
30-17 | 0,035 | 59 | 69 | B | Manual | No | Open | Quartz Direct | 2 | FL 12 | 10,5 | 750 | Metal tape capability |
| RS-M68 | 1979 | 3* (SX) |
30-15 | 0,06 | 57 | 67 | B | No | Yes | Open | Belt | 1 | FL 12 | 10,9 | 500 | *2 erase heads |
| RS-M56 | 1979 | 2 (HPF) |
40-14 | 0,045 | 57 | 67 | B | Manual | No | Open | Belt | 1 | FL 12 | 7,7 | 500 | Microprocessor autoscan system |
| RS-M63 | 1979 | 3 (HPF) |
30-17 | 0,05 | 57 | 67 | B | Manual | No | Closed* | Belt | 1 | FL 12 | 6,3 | 380 | *Back-tension pin |
| RS-M44 | 1979 | 3 (HPF) |
30-17 | 0,05 | 57 | 67 | B | Manual | No | Open | Belt | 1 | FL 12 | 6,7 | 400 | |
| RS-M33 | 1979 | 2 (HPF) |
40-14 | 0,05 | 57 | 67 | B | No | No | Open | Belt | 1 | FL 12 | 7,1 | 350 | |
| RS-288 | 1979 | 2 (HPF) |
30-16 | 0,056 | 57 | 67 | B | Manual | No | Open | Belt | 2 | FL 12 | 9,5 | 480 | Horizontal tape transport |
| RS-M88 | 1980 | 2 (SX) |
30-17 | 0,035 | 59 | 69 | B | Manual | No | Open | Quartz Direct | 2 | FL 20 | 10,5 | 765 | |
| RS-M51 | 1980 | 2 (M&X) |
30-17 | 0,045 | 57 | 67 | B | No | No | Open | Belt | 1 | FL 18 | 6,0 | 420 | |
| RS-M45 | 1980 | 2 (SX) |
30-17 | 0,035 | 58 | 68 | B | No | No | Open | Direct | 2 | FL 18 | 6,1 | 375 | |
| RS-M280 | 1981 | 3 (SX) |
25-19 | 0,024 | 60 | 70 | B | Manual | No | Closed | Quartz Direct | 3 | FL 18 | 6,3 | 800 | |
| RS-M270X | 1981 | 2 (SX) |
30-17 | 0,035 | 58 | 92 | B/D | No | No | Open | Direct | 2 | FL 18 | 6,2 | 500 | |
| RS-M260 | 1981 | 3 (SX) |
25-19 | 0,05 | 57 | 67 | B | No | No | Closed* | Belt | 1 | FL 16 | 5,3 | 380 | *Back-tension pin |
| RS-M250 | 1981 | 2 (SX) |
30-17 | 0,04 | 57 | 67 | B | No | No | Open | Belt | 2 | FL 16 | 5,3 | 350 | |
| RS-M273 | 1982 | 3 (SX) |
30-19 | 0,036 | 59 | 69 | B | Manual | No | Closed | Belt | 2 | FL 18 | 6,3 | 550 | |
| RS-M263 | 1982 | 3 (SX) |
30-18 | 0,048 | 58 | 68 | B | Manual | No | Closed* | Belt | 1 | FL 18 | 5,3 | 350 | *Back-tension pin |
| RS-M253X | 1982 | 3 (AX) |
30-19 | 0,04 | 60 | 92 | B/C/D | Manual | No | Closed* | Belt | 2 | FL 18 | 5,3 | 450 | *Back-tension pin |
| RS-M258R | 1982 | 4* (SX) |
30-16 | 0,07 | 57 | 67 | B | No | Yes | Open | Belt | 1 | FL 16 | 5,8 | 400 | *2 erase heads + 2 rec/playback heads |
| RS-M275X | 1983 | 2 (AX) |
30-18 | 0,03 | 58 | 92 | B/C/D | Manual | No | Open | Direct | 3 | FL 18 | 6,5 | 600 | |
| RS-M265X | 1983 | 2 (AX) |
30-18 | 0,045 | 58 | 92 | B/C/D | No | No | Open | Belt | 2 | FL 18 | 6,3 | 550 | |
| RS-M255X | 1983 | 2 (SX) |
30-17 | 0,038 | 58 | 92 | B/D | No | No | Open | Belt | 2 | FL 18 | 6,0 | 380 | |
| RS-B100 | 1984 | 3 (AX) |
20-23 | 0,022 | 60 | 92 | B/C/D | Manual | No | Closed | Quartz Direct | 3 | FL 18 | 5,6 | 800 | |
| RS-B90 | 1984 | 3 (AX) |
30-19 | 0,04 | 55 | 92 | B/C/D | Manual | No | Closed* | Belt | 2 | FL 18 | 5,3 | 430 | *Back-tension pin |
| RS-B70 | 1984 | 2 (AX) |
50-18 | 0,045 | 58 | 92 | B/C/D | No | No | Open | Belt | 2 | FL 18 | 5,1 | 230 | |
| RS-B78R | 1984 | 3* (AX) |
30-19 | 0,045 | 58 | 92 | B/C/D | No | Yes | Open | Belt | 3 | FL 18 | 5,3 | 400 | *2 erase heads |
| RS-B68R | 1984 | 3* (AX) |
40-17 | 0,05 | 57 | 92 | B/C/D | No | Yes | Open | Belt | 2 | FL 18 | 5,0 | 330 | *2 erase heads |
| RS-B85 | 1986 | 3 (AX) |
30-20 | 0,04 | 60 | 92 | B/C/D | Manual | No | Closed* | Belt | 2 | FL 18 | 5,2 | 600 | *Back-tension pin |
| RS-B80R | 1986 | 2 (AX) |
30-19 | 0,055 | 57 | 92 | B/C/D | No | Yes | Open | Belt | 2 | FL 18 | 4,6 | 290 | |
| RS-B905 | 1987 | 3 (M&X) |
20-22 | 0,04 | 57 | 92 | B/C/D/H | Manual | No | Closed | Belt | 2 | FL 18 | 5,0 | 650 | |
| RS-B705 | 1987 | 3 (M&X) |
20-21 | 0,05 | 57 | 75 | B/C/H | Manual | No | Open | Belt | 2 | FL 12 | 4,4 | 550 | |
| RS-B605 | 1987 | 2 (M&X) |
20-17 | 0,06 | 56 | 92 | B/C/D/H | No | No | Open | Belt | 2 | FL 18 | 4,3 | 470 | |
| RS-B57R | 1987 | 2 (M&X) |
30-17 | 0,05 | 57 | 92 | B/C/D | No | Yes | Open | Belt | 2 | FL 18 | 4,9 | 510 | |
| RS-B608R | 1988 | 2 (M&X) |
30-18 | 0,08 | 56 | 92 | B/C/D/H | No | Yes | Open | Belt | 2 | FL 18 | 4,3 | 470 | |
| RS-B755 | 1989 | 3 (M&X) |
20-21 | 0,05 | 57 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 3 | FL 16 | 5,3 | 439 | |
| RS-B655 | 1989 | 3 (M&X) |
20-19 | 0,05 | 56 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 2 | FL 16 | 4,9 | ||
| RS-B555 | 1989 | 2 (M&X) |
20-19 | 0,05 | 56 | 74 | B/C/H | Manual | No | Open | Direct | 2 | FL 16 | 4,4 | 300 | |
| RS-B965 | 1990 | 3 (M&X) |
20-20 | 0,03 | 57 | 92 | B/C/D/H | Manual | No | Closed | Quartz Direct | 3 | FL 16 | 6,4 | 700 | |
| RS-B765 | 1990 | 3 (M&X) |
30-19 | 0,05 | 57 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 3 | FL 16 | 5,3 | 439 | |
| RS-B665 | 1990 | 2 (M&X) |
30-18 | 0,05 | 56 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 2 | FL 16 | 4,9 | 300 | |
| RS-BR465 | 1990 | 2 (M&X) |
30-17 | 0,07 | 56 | 74 | B/C/H | Manual | Yes | Open | Belt | 2 | FL 10 | 4,3 | 230 | |
| RS-B900 | 1991 | 3 (AX) |
20-21 | 0,03 | 57 | 92 | B/C/D/H | Manual | No | Closed | Quartz Direct | 3 | FL 16 | 7,5 | 1 000 | Japanese model; Limited edition |
| RS-BX808 | 1991 | 3 (M&X) |
30-19 | 0,03 | 57 | 74 | B/C/H | Manual | No | Closed | Quartz Direct | 3 | FL 15 | 5,3 | 550 | |
| RS-BX707 | 1991 | 3 (M&X) |
30-19 | 0,05 | 57 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 3 | FL 15 | 5,2 | 439 | |
| RS-BX606 | 1991 | 3 (M&X) |
30-19 | 0,05 | 57 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 2 | FL 15 | 4,3 | 300 | |
| RS-BX828 | 1992 | 3 (M&X) |
20-20 | 0,03 | 56 | 74 | B/C/H | Manual | No | Closed | Quartz Direct | 3 | FL 15 | 5,3 | 439 | |
| RS-BX727 | 1992 | 3 (M&X) |
20-20 | 0,05 | 56 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 3 | FL 15 | 5,0 | 300 | |
| RS-BX626 | 1992 | 3 (M&X) |
20-20 | 0,05 | 56 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 2 | FL 15 | 4,3 | 270 | |
| RS-BX747 | 1993 | 3 (M&X) |
20-20 | 0,05 | 57 | 74 | B/C/H | Manual | No | Open | Quartz Direct | 3 | FL 15 | 4,6 | 300 | |
| RS-BX646 | 1993 | 3 (M&X) |
20-20 | 0,07 | 57 | 74 | B/C/H | Auto | No | Open | Belt | 3 | FL 15 | 4,6 | 220 | |
| RS-BX701 | 1994 | 3 (M&X) |
20-20 | 0,07 | 57 | 74 | B/C/H | Auto | No | Open | Belt | 2 | FL 15 | 4,6 | 265 | |
| RS-BX601 | 1994 | 3 (M&X) |
20-20 | 0,07 | 57 | 74 | B/C/H | Auto | No | Open | Belt | 2 | FL 15 | 3,8 | 220 | |
| RS-AZ7 | 1996 | 3 (AZ) |
20-24 | 0,07 | 62 | 78 | B/C/H | Auto | No | Open | Belt | 2 | FL 15 | 4,2 | 310 | Magnet resistive film PB head |
| RS-AZ6 | 1996 | 3 (AZ) |
20-24 | 0,07 | 62 | 78 | B/C/H | Auto | No | Open | Belt | 2 | FL 15 | 3,9 | 260 | Magnet resistive film PB head |
Last updated: January 27, 2021.
Note: the missing data is marked by yellow color.
In case you find any errors in this table or may submit the missing information, please contact me.
A.Vostokov, 2002-2021. E-mail: avostokov@yandex.com