| Panasonic / Technics Cassette Decks | ||||||||||||||
| 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 | Drive | Motors | Weight, kg | Price, MSRP, USD | Notes |
| RS-275US | 1971 | 2 | 30-15 | 0.2 | 50 | No | No | No | Open | 1 | 8.2 | 250 | Direct drive | |
| RS-277US | 1972 | 2 | 20-14 | 0.25 | 54 | 60 | B | No | Yes | Open | 1 | 6.4 | 300 | |
| RS-276US | 1972 | 2 | 20-17 | 0.1 | 55 | 60 | B | Manual | No | Open | 1 | 8.6 | 400 | |
| RS-279US | 1973 | 3 | 20-16 | 0.1 | 50 | 59 | B | Manual | No | Open | 2 | 9.1 | 500 | |
| RS-271US | 1973 | 2 | 20-14 | 0.15 | 54 | 59 | B | No | No | Open | 1 | 6.2 | 250 | |
| RS-676US | 1974 | 2 | 40-13 | 0.08 | 50 | 58 | B/FM | Manual | No | Open | 2 | 10.4 | 460 | |
| RS-610US | 1974 | 2 | 50-12 | 0.15 | 49 | 57 | B | No | No | Open | 1 | 6.0 | 250 | |
| RS-263AUS | 1975 | 2 | 30-14 | 0.15 | 49 | 57 | B | No | No | Open | 1 | 4.6 | 200 | |
| RS-677US | 1976 | 2 | 30-17 | 0.07 | 52 | 65 | B/FM | Manual | No | Open | 2 | 12.0 | 500 | |
| RS-671AUS | 1976 | 2 | 30-17 | 0.075 | 52 | 62 | B | No | No | Open | 2 | 9.4 | 400 | |
| RS-640US | 1976 | 2 | 30-16 | 0.08 | 51 | 64 | B | No | No | Open | 1 | 5.8 | 349 | |
| RS-630US | 1976 | 2 | 30-16 | 0.09 | 50 | 63 | B | No | No | Open | 1 | 7.9 | 260 | |
| RS-625US | 1976 | 2 | 40-13 | 0.1 | 49 | 57 | B | No | No | Open | 1 | 6.0 | 299 | |
| RS-9900US | 1977 | 3 | 25-20 | 0.04 | 57 | 67 | B/FM | Manual | No | Closed | 3 | 24.0 | 1600 | Two chassis construction |
| RS-7500US | 1977 | 3 | 25-22 | 0.06 | 60 | No | Manual | No | Closed | 1 | 14.0 | 680 | Elcaset | |
| RS-686DS | 1977 | 3 | 50-16 | 0.07 | 56 | 66 | B | No | No | Open | 1 | 2.8 | 650 | Portable |
| RS-678US | 1977 | 2 | 20-18 | 0.06 | 52 | 62 | B | No | No | Open | 2 | 10.0 | 500 | |
| RS-646DS | 1977 | 2 | 50-14 | 0.1 | 56 | 66 | B | No | No | Open | 1 | 5.0 | 320 | Portable |
| RS-M95 | 1978 | 3 | 20-20 | 0.03 | 60 | 70 | B | Manual | No | Open | 2 | 12.0 | 1400 | |
| RS-M85 | 1978 | 2 | 30-16 | 0.035 | 59 | 69 | B | Manual | No | Open | 2 | 10.5 | 650 | |
| RS-M75 | 1978 | 2 | 30-16 | 0.035 | 59 | 69 | B | Manual | No | Open | 2 | 10.5 | 600 | |
| RS-M65 | 1978 | 2 | 20-18 | 0.035 | 59 | 69 | B | Manual | No | Open | 2 | 7.1 | 550 | |
| RS-631 | 1978 | 2 | 30-17 | 0.06 | 57 | 67 | B | No | No | Open | 1 | 7.8 | 300 | |
| RS-M85MK2 | 1979 | 2 | 20-20 | 0.035 | 59 | 69 | B | Manual | No | Open | 2 | 10.5 | 750 | |
| RS-M68 | 1979 | 2 | 30-15 | 0.06 | 57 | 67 | B | No | Yes | Open | 1 | 10.9 | 500 | |
| RS-M63 | 1979 | 3 | 30-17 | 0.05 | 57 | 67 | B | Manual | No | Open | 1 | 6.3 | 380 | |
| RS-M56 | 1979 | 2 | 40-14 | 0.045 | 57 | 67 | B | Manual | No | Open | 1 | 8.2 | 500 | |
| RS-M44 | 1979 | 2 | 30-17 | 0.05 | 57 | 67 | B | Manual | No | Open | 1 | 6.7 | 400 | |
| RS-M33 | 1979 | 2 | 30-17 | 0.05 | 57 | 67 | B | No | No | Open | 1 | 6.7 | 350 | |
| RS-M22 | 1979 | 2 | 30-16 | 0.05 | 57 | 67 | B | No | No | Open | 1 | 6.7 | 300 | |
| RS-288 | 1979 | 2 | 20-18 | 0.056 | 58 | 68 | B | Manual | No | Open | 2 | 9.5 | 480 | |
| RS-M51 | 1980 | 2 | 20-18 | 0.045 | 57 | 67 | B | No | No | Open | 1 | 6.0 | 420 | |
| RS-M45 | 1980 | 2 | 20-20 | 0.035 | 58 | 68 | B | No | No | Open | 2 | 6.1 | 375 | |
| RS-M24 | 1980 | 2 | 20-18 | 0.05 | 57 | 67 | B | No | No | Open | 1 | 5.0 | 260 | |
| RS-M04 | 1980 | 2 | 20-18 | 0.05 | 57 | 67 | B | No | No | Open | 1 | 4.1 | 320 | |
| RS-M02 | 1980 | 2 | 20-20 | 0.035 | 58 | 68 | B | No | No | Open | 2 | 5.5 | 500 | |
| RS-M280 | 1981 | 3 | 18-22 | 0.024 | 60 | 70 | B | Manual | No | Closed | 3 | 6.3 | 800 | |
| RS-M270X | 1981 | 2 | 20-20 | 0.035 | 58 | 92 | B/D | No | No | Open | 2 | 6.2 | 500 | |
| RS-M260 | 1981 | 3 | 20-20 | 0.05 | 57 | 67 | B | No | No | Open | 1 | 5.3 | 380 | |
| RS-M250 | 1981 | 2 | 20-20 | 0.04 | 57 | 67 | B | No | No | Open | 1 | 5.3 | 350 | |
| RS-M240X | 1981 | 2 | 20-18 | 0.048 | 57 | 91 | B/D | No | No | Open | 1 | 4.6 | 350 | |
| RS-M273 | 1982 | 3 | 20-20 | 0.037 | 59 | 69 | B | Manual | No | Open | 2 | 6.5 | 550 | |
| RS-M263 | 1982 | 2 | 20-20 | 0.048 | 58 | 68 | B | Manual | No | Open | 1 | 6.5 | 350 | |
| RS-M258R | 1982 | 4 | 20-19 | 0.07 | 57 | 67 | B | No | Yes | Open | 1 | 5.8 | 400 | Quick auto reverse, 2 erase heads |
| RS-M253X | 1982 | 3 | 20-22 | 0.04 | 60 | 92 | B/C/D | Manual | No | Open | 2 | 5.3 | 450 | |
| RS-M275X | 1983 | 2 | 20-20 | 0.03 | 58 | 92 | B/C/D | Manual | No | Open | 3 | 6.5 | 600 | |
| RS-M265X | 1983 | 2 | 20-20 | 0.03 | 58 | 92 | B/C/D | No | No | Open | 2 | 6.4 | 550 | |
| RS-M255X | 1983 | 2 | 20-20 | 0.038 | 58 | 92 | B/D | No | No | Open | 2 | 6.0 | 380 | |
| RS-M245X | 1983 | 2 | 20-20 | 0.045 | 57 | 92 | B/C/D | No | No | Open | 2 | 5.1 | 330 | |
| RS-B78R | 1984 | 2 | 30-19 | 0.045 | 58 | 92 | B/C/D | No | Yes | Open | 3 | 5.3 | 400 | Quick auto reverse |
| RS-B68R | 1984 | 2 | 30-19 | 0.05 | 57 | 92 | B/C/D | No | Yes | Open | 2 | 5.0 | 330 | Quick auto reverse |
| RS-B50 | 1984 | 2 | 20-20 | 0.045 | 58 | 92 | B/C/D | No | No | Open | 2 | 4.5 | 230 | |
| RS-B100 | 1984 | 3 | 20-23 | 0.022 | 60 | 92 | B/C/D | Manual | No | Closed | 2 | 5.6 | 800 | Phase compensation, Discrete 3-head |
| RS-B85 | 1986 | 3 | 30-20 | 0.05 | 60 | 92 | B/C/D | Manual | No | Open | 2 | 5.2 | 600 | |
| RS-B49R | 1986 | 2 | 30-17 | 0.08 | 57 | 92 | B/C/D | No | Yes | Open | 1 | 3.7 | 290 | Quick auto reverse |
| RS-B207 | 1986 | 2 | 20-15 | 0.08 | 57 | 92 | B/C/D | No | No | Open | 2 | 3.4 | 225 | |
| RS-B905 | 1987 | 3 | 20-22 | 0.04 | 57 | 92 | B/C/D/H | Manual | No | Closed | 2 | 5.0 | 650 | |
| RS-B705 | 1987 | 3 | 20-21 | 0.05 | 57 | 75 | B/C/H | Manual | No | Open | 2 | 4.4 | 550 | |
| RS-B605 | 1987 | 2 | 20-17 | 0.06 | 56 | 92 | B/C/D/H | No | No | Open | 2 | 4.3 | 470 | |
| RS-B608R | 1988 | 2 | 30-18 | 0.08 | 56 | 92 | B/C/D/H | No | Yes | Open | 2 | 4.3 | 470 | |
| RS-B755 | 1989 | 3 | 20-21 | 0.05 | 57 | 74 | B/C/H | Manual | No | Open | 3 | 5.3 | 439 | |
| RS-B555 | 1989 | 2 | 20-19 | 0.05 | 56 | 74 | B/C/H | Manual | No | Open | 2 | 4.4 | 300 | |
| RS-BR465 | 1990 | 2 | 30-17 | 0.07 | 56 | 74 | B/C/H | Manual | Yes | Open | 2 | 4.3 | 230 | Quick auto reverse |
| RS-B965 | 1990 | 3 | 20-21 | 0.03 | 57 | 92 | B/C/D/H | Manual | No | Closed | 3 | 6.4 | 700 | |
| RS-B765 | 1990 | 3 | 20-20 | 0.05 | 57 | 74 | B/C/H | Manual | No | Open | 3 | 5.3 | 439 | |
| RS-B665 | 1990 | 2 | 20-18 | 0.05 | 56 | 74 | B/C/H | Manual | No | Open | 2 | 4.9 | 300 | |
| RS-BX707 | 1991 | 3 | 20-20 | 0.05 | 57 | 74 | B/C/H | Manual | No | Open | 3 | 5.0 | 439 | |
| RS-BX606 | 1991 | 3 | 30-19 | 0.05 | 57 | 74 | B/C/H | Manual | No | Open | 2 | 4.3 | 300 | |
| RS-BX404 | 1991 | 2 | 30-17 | 0.07 | 57 | 74 | B/C/H | Manual | No | Open | 2 | 4.3 | 270 | |
| RS-BX828 | 1992 | 3 | 20-20 | 0.03 | 56 | 74 | B/C/H | Manual | No | Closed | 3 | 5.3 | 439 | |
| RS-BX727 | 1992 | 3 | 20-20 | 0.05 | 56 | 74 | B/C/H | Manual | No | Open | 3 | 5 | 300 | |
| RS-BX626 | 1992 | 3 | 20-20 | 0.05 | 56 | 74 | B/C/H | Manual | No | Open | 2 | 4.3 | 270 | |
| RS-BX747 | 1993 | 3 | 20-20 | 0.05 | 57 | 74 | B/C/H | Manual | No | Open | 3 | 4.6 | 300 | Discrete 3-head |
| RS-BX646 | 1993 | 3 | 20-20 | 0.07 | 57 | 74 | B/C/H | Auto | No | Open | 3 | 4.6 | 220 | |
| RS-BX701 | 1994 | 3 | 20-20 | 0.07 | 57 | 74 | B/C/H | Auto | No | Open | 2 | 4.6 | 265 | |
| RS-BX601 | 1994 | 3 | 20-20 | 0.07 | 57 | 74 | B/C/H | Auto | No | Open | 2 | 3.8 | 220 | |
| RS-BX501 | 1994 | 2 | 30-17 | 0.07 | 57 | 74 | B/C/H | Auto | Yes | Open | 2 | 3.8 | 200 | |
| RS-AZ7 | 1996 | 3 | 20-24 | 0.07 | 62 | 78 | B/C/H | Auto | No | Open | 2 | 4.2 | 310 | Magnet resistive film playback head (AmorphousZ) |
| RS-AZ6 | 1996 | 3 | 20-24 | 0.07 | 62 | 78 | B/C/H | Auto | No | Open | 2 | 3.9 | 260 | Magnet resistive film playback head (AmorphousZ) |