| 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 |
| KX-700 | 1972 | 2 (F) |
25-16 | 0,15 | 50 | 58 | B | No | No | Open | Belt | 2 | VU | 6,1 | 259 | Top loading |
| KX-910 | 1974 | 2 (F) |
30-16 | 0,08 | 50 | 58 | B/FM | No | No | Open | Belt | 1 | VU | 5,3 | 300 | Top loading |
| KX-710 | 1974 | 2 (F) |
30-16 | 0,13 | 50 | 58 | B/FM | No | No | Open | Belt | 1 | VU | 5,3 | 250 | Top loading |
| KX-920 | 1976 | 2 (F) |
30-16 | 0,08 | 54 | 62 | B | No | No | Open | Belt | 1 | VU | 5,3 | 325 | Top loading; Pitch control |
| KX-720 | 1976 | 2 (F) |
30-16 | 0,08 | 54 | 62 | B | No | No | Open | Belt | 1 | VU | 5,3 | 275 | Top loading |
| KX-1030 / KX-1003 / KX-9000** |
1978 | 3 (F) |
35-18 | 0,06 | 57 | 65 | B | Manual | No | Closed* | Belt | 1 | VU | 7,5 | 400 | *Back-tension pin; **Japanese model |
| KX-830 / KX-7000* |
1978 | 2 (F) |
30-16 | 0,06 | 54 | 62 | B | No | No | Open | Belt | 1 | VU | 7,5 | 325 | *Japanese model |
| KX-760 | 1979 | 2 (F) |
30-16 | 0,05 | 50 | 60 | B | Manual | No | Open | Belt | 1 | VU | 6,5 | 350 | Horizontal tape transport |
| KX-2060 / KX-2006 / KX-1000** |
1980 | 3 (F) |
25-18 | 0,04 | 60 | 70 | B | Manual | No | Open* | Belt | 1 | FL 12 | 9,3 | 649 | Tuning indicators; *Tape Tension Servo System; **Japanese model |
| KX-1060 / KX-1006* |
1980 | 3 (F) |
30-18 | 0,045 | 55 | 65 | B | Manual | No | Open | Belt | 1 | VU | 8,4 | 450 | *Japanese model |
| KX-800 | 1980 | 3 (F) |
35-16 | 0,045 | 54 | 64 | B | Manual | No | Open | Belt | 1 | VU | 6,8 | 365 | |
| KX-1000D | 1981 | 3 (F) |
20-19 | 0,035 | 60 | 70 | B/HX | Manual | No | Closed* | Direct | 2 | FL 12 / VU+ LED 3** |
7,1 | 600 | *Back-tension pin; **Japanese model |
| KX-900 | 1981 | 2 (A) |
25-18 | 0,04 | 58 | 68 | B | Manual | No | Open | Belt | 1 | FL 12 / VU+ LED 3* |
6,9 | 400 | *Japanese model |
| KX-880 | 1982 | 2 (A) |
20-22 | 0,027 | 59 | 74 | B/C | No | No | Open | Direct | 3 | FL 18 | 5,9 | 325 | |
| KX-880B | 1983 | 2 (A) |
20-22 | 0,027 | 59 | 74 | B/C | No | No | Open | Direct | 3 | FL 16 | 5,9 | 325 | |
| KX-990SR | 1984 | 3* (A) |
20-19 | 0,035 | 57 | 74 | B/C | No | Yes | Open | Belt | 2 | FL 18 | 6,2 | 325 | *2 erase heads |
| KX-880SR | 1984 | 2 (A) |
20-21 | 0,027 | 59 | 74 | B/C | No | No | Open | Direct | 3 | FL 18 | 5,9 | 325 | |
| KX-770R | 1984 | 2 (HP) |
20-17 | 0,055 | 58 | 67 | B/C | No | Yes | Open | Belt | 2 | FL 16 | 5,2 | 215 | |
| KX-880SRII / Basic X1 |
1985 | 2 (A) |
20-21 | 0,027 | 59 | 74 | B/C | No | No | Open | Direct | 3 | FL 18 | 5,9 | 325 | |
| KX-780 | 1985 | 3 (HP/F) |
22-20 | 0,05 | 57 | 74 | B/C | Manual | No | Open | Belt | 2 | LED 16 | 4,8 | 355 | |
| KX-790R | 1985 | 2 (HP) |
20-18 | 0,05 | 57 | 74 | B/C | No | Yes | Open | Belt | 2 | LED 16 | 4,8 | 355 | |
| KX-1100G | 1986 | 3 (A) |
20-22 | 0,025 | 57 | 75 | B/C | Manual | No | Closed | Direct | 3 | FL 16 | 6,2 | 650 | |
| KX-880G | 1986 | 2 (A) |
20-22 | 0,027 | 57 | 74 | B/C | Manual | No | Open | Direct | 3 | FL 16 | 5,9 | 425 | |
| KX-880D / KX-880GR* |
1987 | 2 (A) |
20-22 | 0,027 | 59 | 74 | B/C | Manual | No | Open | Direct | 3 | FL 16 | 6,1 | 425 | Dynamic bias system; *Japanese model |
| KX-1100HX | 1988 | 3 (A) |
20-22 | 0,025 | 60 | 75 | B/C/H | Manual | No | Closed | Direct | 3 | FL 16 | 6,3 | 650 | |
| KX-880HX | 1988 | 2 (A) |
20-22 | 0,027 | 59 | 74 | B/C/H | Manual | No | Open | Direct | 3 | FL 16 | 6,1 | 520 | |
| KX-660HX | 1988 | 2 (HP) |
20-18 | 0,06 | 59 | 74 | B/C/H | Manual | No | Open | Belt | 2 | FL 14 | 5,0 | 300 | |
| KX-9010 | 1989 | 3 (A) |
20-22 | 0,025 | 59 | 74 | B/C/H | Auto | No | Closed | Direct | 3 | FL 16 | 6,7 | 705 | |
| KX-5010 | 1989 | 2 (A) |
20-21 | 0,025 | 59 | 74 | B/C/H | Auto | No | Open | Direct | 3 | FL 16 | 6,4 | 530 | |
| KX-4520 | 1989 | 3 (A) |
20-19 | 0,05 | 58 | 72 | B/C/H | Auto | No | Closed | Belt | 2 | FL 16 | 5,2 | 470 | 210 kHz high bias |
| KX-7030 | 1991 | 3 (HP) |
20-20 | 0,045 | 59 | 75 | B/C/H | Auto | No | Closed | Belt | 3 | FL 16 | 5,1 | 380 | 210 kHz high bias |
| KX-5030 | 1991 | 2 (HP) |
20-19 | 0,05 | 58 | 73 | B/C/H | Auto | No | Open | Belt | 3 | FL 16 | 4,4 | 315 | |
| KX-5530 | 1991 | 2 (HP) |
20-18 | 0,06 | 58 | 73 | B/C/H | Auto | Yes | Open | Belt | 2 | FL 16 | 4,6 | 300 | |
| KX-9050 | 1992 | 3 (A) |
20-22 | 0,024 | 59 | 75 | B/C/H | Auto | No | Closed | Direct | 4 | FL 16 | 7,3 | 500 | 210 kHz high bias |
| KX-7050 | 1992 | 3 (A) |
20-20 | 0,045 | 56 | 76 | B/C/H | Auto | No | Closed | Belt | 3 | FL 16 | 5,4 | 340 | 210 kHz high bias |
| KX-5550 | 1992 | 2 (HP) |
20-18 | 0,07 | 58 | 72 | B/C/H | Auto | Yes | Open | Belt | 2 | FL 16 | 4,4 | 300 | |
| KX-9050S | 1994 | 3 (A) |
20-22 | 0,024 | 59 | 80 | B/C/S/H | Auto | No | Closed | Direct | 4 | FL 16 | 7,5 | 700 | 210 kHz high bias |
| KX-7050S | 1994 | 3 (A) |
20-20 | 0,045 | 56 | 81 | B/C/S/H | Auto | No | Closed | Belt | 3 | FL 16 | 5,4 | 485 | |
| KX-7060S | 1995 | 3 (HP) |
20-20 | 0,055 | 60 | 81 | B/C/S/H | Auto | No | Closed | Belt | 3 | FL 14 | 4,5 | 450 | |
| KX-5060S | 1995 | 2 (HP) |
20-19 | 0,06 | 58 | 80 | B/C/S/H | Auto | No | Open | Belt | 3 | FL 14 | 4,4 | 330 | |
| KX-5080S | 1996 | 2 (HP) |
20-19 | 0,07 | 59 | 80 | B/C/S/H | Auto | No | Open | Belt | 2 | FL 14 | 4,6 | 250 |
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