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Denon

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
DR-750 1977 2
(S)		 35-18 0,045   65 B Manual No Closed Belt 2 VU 12,5 1 400  
DR-650 1978 2
(F)		 30-18 0,05   65 B Manual No Closed Belt 2 VU 11,0 820 Japanese model
DR-450 1978 2
(HP)		       64 B Manual No Open Belt 2 VU+
LED 5		 8,5    
DR-350 1978 2
(HP)		 35-16 0,058   64 B Manual No Open Belt 1 VU 8,0 450  
DR-250 1978 2
(HP)		 35-15,5 0,045   62 B Manual No Open Belt 2 VU+
LED 5		 7,5 400  
DR-670 1979 2
(S)		 30-21 0,035   66 B Manual No Closed Belt 2 VU 11,0 940 Japanese model;
Metal tape capability
DR-370 1979 2
(HP)		 20-17 0,058   66 B Manual No Open Belt 1 VU 8,5 560 Japanese model
DR-330 /
DR-F3**		 1980 3
(F)		 25-21 0,04   67 B Manual No Closed* Quartz Belt 2 VU+
LED 3		 7,0 500 **Japanese model;
*Back-tension pin; Tape Tension Servo System
DR-320 /
DR-F2**		 1980 3
(F)		 25-21 0,04   67 B No No Closed* Belt 2 VU+
LED 3		 7,0 425 **Japanese model;
*Back-tension pin; Tape Tension Servo System
DR-240 /
DR-F1**		 1980 2
(HP)		 25-19 0,04   65 B No No Closed* Belt 2 VU+
LED 3		 7,0 350 **Japanese model;
*Back-tension pin; Tape Tension Servo System
DR-L2 1981 3*
(HP)		 35-17 0,45   65 B No Yes Open Belt 3 VU+
LED 3		 7,0 500 Japanese model;
*2 erase head
DR-L1 1981 3*
(HP)		 35-17 0,45   65 B No Yes Open Belt 3 VU+
LED 3		 7,0 390 Japanese model;
*2 erase head
DR-F8 1982 3
(M&X)		 25-21 0,025   73 B/C Auto No Closed* Quartz Direct 3 VU+
LED 3		 7,5 575 *Back-tension pin; Tape Tension Servo System
DR-F7 1982 3
(M&X)		 25-21 0,027   73 B/C Auto No Closed* Direct 3 VU+
LED 3		 7,5 500 *Back-tension pin; Tape Tension Servo System
DR-F6 1982 3
(M&X)		 25-21 0,027   73 B/C No No Closed* Direct 3 VU+
LED 3		 7,5 425 *Back-tension pin; Tape Tension Servo System
DR-M4 1983 3
(S/F)		 20-23 0,027   73 B/C Auto No Closed Quartz Direct 3 FL 14 6,5 595  
DR-M3 1983 3
(S/F)		 20-23 0,027   73 B/C Auto No Closed* Direct 3 FL 14 5,7 495 *Back-tension pin; Tape Tension Servo System
DR-M2 1983 3
(S/F)		 20-23 0,027   73 B/C No No Closed* Direct 2 FL 14 5,7 395 *Back-tension pin; Tape Tension Servo System
DR-M44 /
DR-M9*		 1984 3
(S/F)		 25-20 0,027   73 B/C Auto No Closed Direct 3 FL 12 5,8 650 *Japanese model
DR-M33 /
DR-M8*		 1984 3
(S/F)		 25-20 0,03   73 B/C No No Closed Belt 3 FL 12 5,7 500 *Japanese model
DR-M22 1984 3
(S/F)		 30-19 0,045   75 B/C Manual No Closed Belt 2 FL 12 5,5 420  
DR-M11 1984 2
(HP)		 30-18 0,045   75 B/C Manual No Open Belt 2 FL 12 5,6 320  
DR-M44HX 1985 3
(S/F)		 25-20 0,035   75 B/C/H Auto No Closed Direct 2 FL 12 5,8 600  
DR-M33HX 1985 3
(S/F)		 25-20 0,04   75 B/C/H Manual No Closed Belt 2 FL 12 5,6 500  
DR-M30HX /
DR-M25HX*		 1986 3
(S/F)		 25-19 0,045   75 B/C/H Manual No Closed Belt 2 FL 12 6,2 500 *Japanese model
DR-M20 1986 3
(S/F)		 25-19 0,045   73 B/C Manual No Closed Belt 2 FL 12 5,4 400  
DR-M15HX 1987 2
(HP)		 25-18 0,045   72 B/C/H Manual No Open Belt 3 FL 12 4,5 430 Japanese model
DR-M14HX 1987 2
(HP)		 25-18 0,045   72 B/C/H Manual No Open Belt 3 FL 12 4,5 400  
DR-M34HR /
DR-M27HX*		 1988 3
(S/F)		 25-20 0,042   75 B/C/H Manual No Closed Belt 3 FL 12 7,8 500 *Japanese model
DR-M24HX 1988 3
(S/F)		 25-20 0,045   73 B/C/H Manual No Open Belt 3 FL 12 5,4 450  
DRM-800 /
DR-70*		 1989 3
(A)		 20-21 0,035   76 B/C/H Manual No Closed Belt 3 FL 16 7,9 500 *Japanese model
DRM-700 1989 3
(HP)		 25-20 0,045   73 B/C/H Manual No Open Belt 3 FL 16 5,0 400  
DRM-600 1989 2
(A)		 20-20 0,055   74 B/C/H Manual No Open Belt 2 FL 12 4,1 350  
DRR-680 /
DRR-60*		 1989 2
(A)		 20-19 0,06   74 B/C/H Manual Yes Open Belt 3 FL 12 4,2 350 *Japanese model
DRM-800A 1990 3
(A)		 20-20 0,038   75 B/C/H Manual No Closed Belt 3 FL 16 5,8 500  
DRM-700A 1990 3
(HP)		 25-20 0,045   73 B/C/H Manual No Open Belt 3 FL 16 5,0 400  
DRS-810 1991 3
(HP)		 20-21 0,038   76 B/C/H Manual No Closed Belt 4 FL 12 6,6 500 Horizontal tape transport
DRM-710 1991 3
(HP)		 20-20 0,038   75 B/C/H Manual No Closed Belt 3 FL 16 4,2 400  
DRS-610 1991 2
(HP)		 25-18 0,055   74 B/C/H Manual No Open Belt 3 FL 12 5,4 300 Horizontal tape transport
DRR-780 1991 2
(HP)		 25-18 0,06   74 B/C/H Manual Yes Open Belt 3 FL 12 6,3 400 Horizontal tape transport
DRR-730 1992 2
(HP)		 20-19 0,06   74 B/C/H Manual Yes Open Belt 2 FL 12   320  
DRM-740 1993 3
(HP)		 20-20 0,038   75 B/C/H Manual No Closed Belt 3 FL 16 4,2 400  
DRS-640 1993 2
(HP)		 20-19 0,055   74 B/C/H Manual No Open Belt 2 FL 12 5,1 300 Horizontal tape transport
DN-720R 1993 2
(A)		 25-19 0,055   74 B/C/H Manual No Open Belt 2 FL 16 4,7 500 Professional;
Pitch control
DN-730R 1993 2
(A)		 25-19 0,055   74 B/C/H No No Open Belt 2 FL 16 4,7 475 Professional;
Pitch control
DRM-650S 1995 2
(HP)		 20-19 0,055   77 B/C/S/H Manual No Open Belt 2 FL 12 5,0 300  
DRM-550 1995 2
(HP)		 20-19 0,055   74 B/C/H Manual No Open Belt 2 FL 12 4,1 250  
DN-790R 1995 3
(A)		 20-20 0,038   84 B/C/S/H Auto /
Manual		 No Closed Belt 3 FL 16 5,1 1 000 Professional;
Balanced in/out;
Pitch control
DRM-555 1999 2
(HP)		 20-17 0,08   74 B/C/H Manual Yes Open Belt 2 FL 12 3,6 250  

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.

AA A.Vostokov, 2002-2021. E-mail: avostokov@yandex.com