Occasionally, people loose the power supply for their flat phono preamplifiers and want a replacement. Here is one that I found that is "universal" in terms of Voltage, Polarity and also connector configuration:
https://www.walmart.com/ip/Universal...22222222223638 58771&wmlspartner=wmtlabs&wl0=e&wl1=o&wl2=c&wl3=74 835640132662&wl4=pla-4578435176074210&wl5=&wl6=&wl7=&%20wl10=Walmart&wl 12=139182840_10001022361&wl14=12%20volt%20wall%20w art%20power%20supply%20with%20universal%20connecto rs&veh=sem&msclkid=1bc2c3c7ce1f18869be29c086b2b4c 6 b
https://www.walmart.com/ip/Universal...22222222223638 58771&wmlspartner=wmtlabs&wl0=e&wl1=o&wl2=c&wl3=74 835640132662&wl4=pla-4578435176074210&wl5=&wl6=&wl7=&%20wl10=Walmart&wl 12=139182840_10001022361&wl14=12%20volt%20wall%20w art%20power%20supply%20with%20universal%20connecto rs&veh=sem&msclkid=1bc2c3c7ce1f18869be29c086b2b4c 6 b