Posted By
MMS
on 2020-09-07
13:47:41
 |  Re: Questions about Plus4 Saver
Actually if you do NOT need deperately the 3+1 and the User port, then a 64KB C16 is a better solution.
Especially due to the cheap PSU solutions you can have for C16.
It can 100% utilize the ZX Spectrum PSUs, the 128K and the Grey +2 are the best, they have enough power to manage cassette and extra adaptors. Their PSU's connector and polarity fits perfectly to the C16. But any PSU brick with 1.5 - 2.0 A and 9V would do the job.
I think the C16 PSU is unregulated (and underpowered)), but with a regulated (switch mode) DC adaptor you may also reduce the heat gereated insiode the housing.
But maybe I am wrong, so the hardware gurus will correct me  Please!
Sure, the regulator heats up more than in Plus/4 (it has to create the 5V from the 9V DC), but the housing is much bigger and has more air around the hot ICs (not to mention, there are less ROMs generating extra heat)
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