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 Kriesler 11-99 serial number register
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 Return to top of page · Post #: 1 · Written at 8:04:57 PM on 4 June 2020.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 6013

Copied here because the original thread was in the now locked Wanted & For Sale section.

Serial Numbers:
189 - 6 Aug 1965 on transformer
4969 - (date?), 6V4, no groove on back, ARTS&P cyan AC075205
10036 - 24 Apr 1968, 6v4 rectifier, dates on the IF cans. 6v4, 2 wire, paper caps 20 and 25μF electro's
10835 - 30 May 1968, 6v4 rectifier, 2 wire mains cord, mix of mustard and paper caps. 30 and 40μF electro's
11148 - (date?), 6V4 rectifier
16310 - approx Mar 1969 - 6V4 rectifier and caps marked 059 and 079, ARTS&P label AA 879187
17412 - (date?), 6V4 rectifier, wax caps marked xx6 and ARTS&P label AA 998629
19039 - 26 Aug 1969, 6V4, groove on back, ARTS&P cyan AB697937
20741 - 13 Nov 1969 on power transformer
20893 - 18 Nov 1969 on IF can - silicon diode rectifier
23428 - 27 April 1970 on power transformer, silicon diode rectifier
24787 - 4 Aug 1970, silicon diode rectifier
26463 - (date?), silicon diode rectifier, ARTS&P label AC430270
33319 - (date?), silicon diode rectifier
34968 - 24 Mar 1972
38406 - 19 July 1972
42422 - 5 May 1973, silicon rectifier, 3 wire mains cord
45967 - 6 Mar 1974
46532 - 11 May 1974, silicon diode rectifier, groove on back, no ARTS&P label (*)
46591 - 25 Apr 1974
47210 - 16 June 1974
47874 - 2nd July 1974, silicon diode rectifier, 3 wire cord with the "notch", black dial face, mustard caps 20 and 25μF electro's.

-------

(*) Note apparent anomaly in the dates between 6 Mar and 25 April:


 
 Return to top of page · Post #: 2 · Written at 9:33:03 PM on 4 June 2020.
Marcc's avatar
 Location: Wangaratta, VIC
 Member since 21 February 2009
 Member #: 438
 Postcount: 4346

Yeh! I have a 1961 circuit 115VAC SE transformer with half wave valve rectifier. Rather typical of Kriesler to have a myriad of changes. The diode is more efficient and will handle bigger caps. That change in itself could cause several others.


 
 Return to top of page · Post #: 3 · Written at 10:08:57 PM on 4 June 2020.
Jimb's Gravatar
 Location: Kanahooka, NSW
 Member since 18 November 2016
 Member #: 2012
 Postcount: 660

Ok I have just had a look . The numbers on the transformer are 51873. 7. J10. And in large printed ink on the transformer winding insulation 2. 73.
Cannot see any other writing does this mean it is an 1973 year model ?
Regards Jim


 
 Return to top of page · Post #: 4 · Written at 10:22:00 PM on 4 June 2020.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 6013

In most cases (including mine) as shown in the list above, the stamp format is clearly a date.


 
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