Author Topic: Sales figures  (Read 455 times)

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Offline Misel982001

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Sales figures
« on: 23:31, 11 September 17 »
Hello guys! I hope you are well!  I did a research on my own but I could not find how many CPC's were sold, overal and per range. How many 464's, 664's, 6128's and plus range were totally sold over the years?
Besides this, what was the biggest selling game of the cpc and how many copies of it were sold?
Thanx!

 8) 8) 8) 8) 8) 8) 8)

Offline Bryce

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Re: Sales figures
« Reply #1 on: 10:10, 12 September 17 »
You could try using the German Tank Problem method to estimate how many CPCs were sold?

https://en.wikipedia.org/wiki/German_tank_problem

Bryce.

Offline ||C|-|E||

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Re: Sales figures
« Reply #2 on: 13:24, 12 September 17 »
Although the german tank problem analysis seems more than right here, I think that I would go for a more simplistic view. Knowing Amstrad, I am quite sure that they managed to sell all the units of the standard CPC, and probably quite a few of the Pluses, if not all. If we knew the production numbers we would probably know the units sold as well. I reckon that they did not scrap a single machine  :) .


But we can always collect a ton of serial numbers and do our own analysis, it sounds fun!

Offline Bryce

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Re: Sales figures
« Reply #3 on: 14:25, 12 September 17 »
Yes, but we DON'T know the production numbers, hence the need to use something like the German Tank method.

Bryce.

Offline ||C|-|E||

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Re: Sales figures
« Reply #4 on: 15:20, 12 September 17 »
Maybe we can ask for the info?  :) I guess that it is not classified anymore. Otherwise yes, we can start collecting serial numbers  :D

Offline arnoldemu

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Re: Sales figures
« Reply #5 on: 15:46, 12 September 17 »
Maybe we can ask for the info?  :) I guess that it is not classified anymore. Otherwise yes, we can start collecting serial numbers  :D
Thankfully Amstrad changed pcb and their logo over time, so perhaps only use the serials of later cpc models. :)

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Offline ThomH

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Re: Sales figures
« Reply #6 on: 16:10, 12 September 17 »
From Google Images I found a Korean-manufactured 464 with serial number 533-8301061, all on on line, and another with a much more flimsily stuck-on number of 55169 and/or K31-46.

Is enough known to determine how those two things relate to one another? If not then total production estimation could be tricky.

Offline ||C|-|E||

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Re: Sales figures
« Reply #7 on: 22:15, 12 September 17 »
Nope... to apply the algorithm Bryce is suggesting you need several serial numbers and then work out, more or less, how the numbering worked. In principle the number could even come from individual parts, for example, the ASICs. These parts would need to be only present in the CPC or Plus range, an ubiquitous component would not be good for the purpose. It is even possible that we would need to tackle the problem by analyzing the numbers of each PCB version  :)
« Last Edit: 22:17, 12 September 17 by ||C|-|E|| »

Offline Dubliner

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Re: Sales figures
« Reply #8 on: 10:37, 13 September 17 »
It's difficult to estimate sales numbers for every model, but the Amstrad website give us a good start:

3 Million CPCs
8 Million PCWs
12 Million PCs

Sadly, they don't list the Plus series, the 664 or the 472, so we must assume that either they sold marginally or that their numbers are included in the CPC range. Who knows.

Offline Bryce

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Re: Sales figures
« Reply #9 on: 10:53, 13 September 17 »
You can use the dates on the ICs to tell when a CPC with serial number X was actually manufactured.

Bryce.