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.
This page created and maintained by
Greg Dunn.
Copyright © 2001 Greg Dunn