Parts Numbering System

February 1976 DYNACO PARTS NUMBERING SYSTEM

CODE UNIT YEAR OF INTRODUCTION

1 MARK II 1955

2 PAM-1 1957

3 MARK III 1957

4 PS-1 1957

5 DSC-1 1958

6 ST-70 1959

7 PAS-2 & 3 1960

8 MARK IV 1960

9 FM-1 1961

10 FMA-2 1963

11 FMX-3 1963

12 FM2-A 1963

13 FM-3 (old type) 1963

14 ST-35 1963

15 SCA-35 1964

16 FM-3 1964

17 ST-120 1966

18 PAT-4 1967

19 A-25 1969

20 ST-80 1969

21 SCA-80, SCA-80Q 1969

22 A-50/FM-5 1970/1972

23 FM-5/A-501 1971

24 QD-1 1971

25 A-10 1971

26 AF-6 1972

27 A-35 1972

28 ST-400 1972

29 PPM-5 Phono Preamp 1972

30 FAN-1 1974

31 A-25VW 1974

32 A-10VW 1974

33 PAT-5 1974

34 MC-4K 1974

35 ST-400 M/A 1974

36 A-25XL 1974

37 QSA-300 1975

38 ST-150 1975

39 A-40XL 1975

40 PAT-5RCT Relay 1975

41 ST-410 1975

42 Dolby FM-5 (DBF-5) 1975

43 New ST-150 1976

44 MC-3K 1975

45 MC-2K 1975

46 MBI-400 1976

47 SE-10 1976

48 PAT-5 w/new f.p. 1976

49 MK VI Domestic 1976

50 MK VI Japan 1976

51 ST-300 1976

52 D20XL 1976

53 SCA-50 1976

54 A-25V (vinyl) 1976

55 RMA Kit 1976

56 PAT-5RCT relay 1977

57 Model II Speaker 1977

58 Model III Speaker 1977

59 Model V Speaker 1977

60 Model VI Speaker 1977

61 Model VII Speaker 1977

62 PAT-5 Bi-FET 1977

63 ST-416 1977

64 Model 80 1977

65 Model 60 1977

Serial Number Code:

XX XXX XXX(X)

Model number year/week Serial (4 digit for speakers)



Adapted from an original Dynaco memo; courtesy of Ed Laurent.



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