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The Ultra Add On arrived sooner than expected. One end plugs into the Qutest and the other connects to the lead from the Sbooster. The output voltage on the Sbooster has to be raised from 5v to 6v to accomodate it. The Ultra has brought about a subtle but very worthwhile improvement. This mainly concerns the highest frequencies where there is a greater resolution of fine detail and smootheness.CN211276 wrote: ↑Mon May 03, 2021 4:20 pm I have become increasingly aware of the importance of power supplies and have read so many positive reports about the Sbooster, in particular how it elevates the performance of the Qutest. A number of the comments maintain that it lifts the performance to above that of the TT2 (contains headphone socket and pre amp) which costs nearly four times as much as the Qutest. I ordered one on Friday and Future Shop delvered this the next day.
A very noticable improvement was immediately apparant. There was a marked increase in overall authority and bass impact. After a short run in, an increase in the depth of the image became very apparant. As the instructions advise that 100 hours is required for full run in I am anticipating more.
It is more expensive, bigger and more expensive that the MCRU it has replaced. The MCRU brought about an improvement over the supplied Chord wall wart which I found to be subtle, but this is anything but. The MCRU will be connected to the Topping E30 in my second system when an adaptor arrives and I am expecting a positive outcome.
I also ordered this.
By all reports it is a very worthwhile add on to the Sbooster but will have to wait until July for it to be in stock. The Sbooster will be fully run in by then so I will be able to accurately judge what it adds.
It took some time for me to get the correct adaptor and the result has been positive as it should be because the MCRU, replaced by the Sbooster in the main system, costs more than twice the price of the Topping. It is a significant improvement over the power bank I had been using which sounded a lot better than the walwart supplied with the E30. Music has a lot more authority with improved bass reponse. The A20/P20, Cubettes are really singing with LS3, SSP and a quality PS.
The Topping E30 can really deliver with quality partnering components. These comments apply to the E30 in DAC mode. In pre amp mode the improvement is less pronounced. The difference between DAC mode and pre amp mode was a lot less with the power bank.
