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In Reply to: RE: Tweeking Sirius Radio Receiver posted by David Pritchard on May 04, 2015 at 19:46:37
I don't think it's possible to find a replacement DC cord with the same locking connector at one end, and a DC plug that fits the Sirius receiver at the other end. The molded DC plug for the power supply upgrade you ordered is 2.1mm x 5.5mm which is a very typical size, whereas the DC plug for the Sirius receiver seems to be a narrower size. So you have a few options. If you can DIY, other than building a new DC cord from scratch, snipping-off the molded DC plug of the DC cord and re-terminating it with the proper size DC plug would be the best option. If you don't DIY, a compromise of using a DC plug size adapter would be the solution. There are a number of options for DC plug size adapters, including a right angle type. I can't seem to find the exact size for the Sirius receiver, so I suggest you contact BixNet.com which carries many DC plug size adapters in order to obtain the proper adapter.
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Thank you Duster. When power supply arrives and cable plug is modified will report effect on Sirus sound.
I'll keep an eye out for your report.
BTW, the power supply unit is sensitive to the sonic benefit of an aftermarket AC power cord, so you should expect better performance if you mate the power supply unit with an audiophile quality detachable power cord.
Absolutely agree on the power cord importance. Will be trying several brands.
The power supply suggested arrived from mainland China. A nice heavy unit. Duster was correct in that the supplied male plug is to big to fit the Sirrius receiver. I went today to my local professional music store- repair shop (Hubbards Music- Las Cruces, New Mexico). They were kind enough to splice on the original Sirrius male plug to the new cord.
Plugged the new power unit in and turned on the receiver. WOW! A major improvement in all aspects of music reproduction. If you are using a home based Sirrius Receiver this is a great upgrade.
I have ordered a Synergistic Research fuse and will try that next.
Will allow the power supply to be switched on for a week and then try an improved power cord.
Duster - Thank you for giving me the information to transform this system.
David Pritchard
Keep us posted - David.
The Sirius Radio power supply has been on nonstop for 5+ days so time to try the next step.
I replaced the 6 amp fuse with a Synergistic Research 6 amp fuse. Impressive improvement. I next replaced the stock power cord with a spare audiophile power cord. A further improvement.
The system now has enough soundstage width and depth to be satisfying. The decrease in grain and "hardness" now makes for an inviting listening experience.
Total out of pocket expense for the power supply - male plug modification - fuse was $130.00
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