UPDATES



.

2015



More recent blog / update entries are linked here.




Updates 2014 and 2015




12th December



Serial number 5532 added on this page. Thanks to Chris for the pictures.


Serial number 5533 registered here.


Serial number 3539, a nice Foundation Bass pair, pictured here.


Serial number 4566 added on this page.


Serial number 6018 added here.



25th October



Two new small box (thick edged) AC50s posted - one in Japan, the other in France.


Two late AC50s added, serial numbers in the high 7000s or low 8000s (US-style logo) - one in Denmark, the other in Spain.


Two VSEL AC50s, pprobably serial no. 1032, and no. 105x - now on this page.



24th October



Further pics of serial no. 1217 (small, thick-edged box) here.


Valve rectified amp with serial no. 3527 added here.


Amp with a serial no. in the 3800s, serial no. 3945, serial no. 3980.


Serial no. 4131 registered here.


Serial no. 5345 added. No. 5734 here. and no. 5739, a superb example, here. Also no. 5842 with a T100 cab.


Amp with a serial number in the 5000s.


Serial no. 6171 added, and no. 6552 here.


An amp with a serial number in the 7200s.


Serial no. 7419 registered here. To date, this is the earliest amp to have come to light with the new American-style logo.


A separate page begun on AC50s made by Vox Sound Ltd.



27th September



New thin-edged AC50 added. .



26th September



Page on thin-edged AC50s updated. .


30th July



Page on bands other than the Beatles with early AC50s further updated.


29th July



Page on bands other than the Beatles with early small-box AC50s extensively updated.


21st June



Pictures of serial no. 2172 added on this page.


20th June



Further pics of serial no. 1686 added on this page. Pics of serial no. 1740 also added.


Pics of serial no. 3687 added here.


Pics of serial no. 5212 here; along with serial no. 5404 here; and serial no. 5843 here; and .


Pics of serial no. 8106 a late JMI amp registered here.


Further updates to follow soon.


23rd April



Serial no. 1034 with its cab, covers and cables registered on this page and further pictures here.


18th April



Serial no. 2687, made by Triumph, no brimistor added on this page.


Serial no. 3674 added here. Thanks to Steven for the pictures.


Serial no. 6115 registered here.


An amp with a serial number in the 4200s registered here.


7th March



New small-box four-input amp added on this page.


Serial numbers 2890 (thanks to Paul for the pictures) and 280x (last digit unknown). now here.


Serial number 3412 on the 3000s page. Thanks to Paul for the pictures.


Serial numbers 5232 (thanks to Paul again); 5299; 5396; 5772; and 57xx (last two digits unknown) now here.


Serial numbers 6298 and 6284 on the 6000s page.


Amp with a serial number in the 7000s - chassis no. 3963 added here.


Section on Vox Sound Equipment amps begun - Serial number 1071 registered here.



7th February



Three more pics of an early thin-edged two-input AC50 added on this page. The amp is currently for sale. Please contact me at the website address (front page) for the owner's details.


5th January



Further pictures of an early thin-edged two-input AC50 added on this page.




2014

7th December



Pictures of serial no. 3385 - added on this page.


29th November



Pictures of serial no. 3680 - added here.


9th November



Description of serial number 1005B begun - thin-edged, single channel.


8th November



Serial numbers are hand stamped from 1001 to 1727, and probably a little beyond. Machine stamped numbers come in certainly by AC50 no. 1797, probably a little before.


8th November



Pictures of serial numbers 4320, 4684 and 4756 on this page.

Serial no. 1800 (slot voltage selector) on this page.

Serial numbers 3305 and 3364 registered here.

Two amps with serial numbers probably in the mid 2000s added at the foot of the early solid state rectified page.

Serial numbers 5432 and 5960 registered here.

Serial number 6471 on this page.



30th September



Serial no. 3680 registered on this page.



19th September



Pics of serial no. 1775 (?), dome voltage selector on this page.



Picture of an AC50 in the low 2000s (with the vivid blue style of control panel) added here.


18th September



Pics of serial no. 1821, dome voltage selector on this page.



Picture of a possible very early large-box AC50 trolley added on this page.


14th September



A third late black panel AC50 added on the "Triumph specials" page.



Page on large-box AC50 speaker cabinets begun.


13th September



Pictures of serial nos 2269 and 2609 (Burndept-made, valve rectified) added on this page.


Page on dating AC50s tided up.


Pictures of serial nos 3276, 3333 and 3615 added here, along with a couple of amps in the 3500 - 3800 range without plates.


12th September



Pictures of serial no. 1499 (dome voltage selector) added on this page.


8th September



Page on transformers updated. Further images to be added.


1st September



Pictures of serial no. 8108 registered on this page.


31st August



Serial no. 1471 registered on this page.


Details from the Nov. 1965 JMI pricelist added on the Foundation Bass cab page.


New page on Triumph Electronics "specials" added.


15th July



Pictures of serial no. 1005 added on this page.


15th June



Serial no. 2143, with a hand-stamped plate, and presumably valve rectified, added on this page.


Serial no. 2201, solid state rectified, added here.


14th June



Serial no. 1709 (valve rectified) added on this page.


Serial nos 4316 and 4553 added here.


Serial no. 3226, a late valve rectified amp added at the foot of this page.


Serial nos 6474 and 6619 added here.


Larger images of no. 1312 added on this page.


27th April



Two more early four-input AC50s added on this page - serial no. 1312, and another serial number unknown. Amps covered in smooth grey tolex have been separated from the (later) basketweave examples.


15th February



Pictures of serial no. 2462 now added on the early solid state rectified page.


19th January



Serial no. 1411 added on this page; no. 1594 added here; and no. 2164 on this page.


New images of 1524 added here.


Several series of updates to follow.


23rd January


Page on AC50 transformers updated.


25th January


Serial no. 2924 added here and nos 3384 and 3887 on this page.


Page on bands with large box AC50s started at last.


Page on brimistors begun.



26th January



New page added - brief overview of dating AC50s.