11/23/2023 0 Comments Xlr splitter 1 in 4 out![]() Toslink switch + Bi-directional TosLink/RCA converter I measure-checked 2 digital Toslink devices : Good engineering is not only about good raw figures. So that's not -not only- those devices' "fault" if the Topping is giving some lower results with them. ![]() I still think we may trust those devices to do exactly what you want them to do.Īlso, it's important to note that, even if those devices are not perfect, they absolutely don't prevent a well engineered device to perform perfectly through them. There are measurable performance degradations. This review I thought would be quick and easy, and at the end, it took me almost the whole day.Īfter testing with the RME only, I wrote " Those devices are adding or substracting nothing to the signal they receive".Īfter further look and check with the more Jitter-sensitive (and way cheaper) Topping E30 II Lite, this is not absolutely true. So it's acting perfectly as a converter, but it may give some issue to duplicate the output at high sampling frequency. I didn't experience this issue at 44.1kHz, 48kHz and 96kHz though. When feeding the Coaxial/TosLink SPDIF converter with a TosLink input at 192kHz, the Coaxial output works perfectly, but the TosLink output's clock sometimes gets out of sync. The convertor always has both its outputs active. Port replicator capability of the SPDIF converter NB: This figure doesn't mean much by itself - don't compare it to a SINAD value ! Here, I kept the measurement of the highest secundary peak, to allow some comparison. Not catastrophic, but not stellar either.įirst, for reference, with none of the devices we want to test in the loop. RME ADI-2/4 Pro SE optical output > TosLink > Topping E30 II Lite > Analog output (L) > RME ADI-2/4 Pro SEĪs you may see in the Topping E30 II Lite review, Jitter performance on SPDIF has some issue. So I took a DAC I had at hand that I knew had some issue with Jitter on SPDIF input: ![]() So there is a risk the test is not relevant, since the RME would fix any issue with the incoming digital signal. I've been challenged on the fact that the RME is almost a "perfect" tool. Testing with the Topping E30 II Lite as a DAC NB: I tested the 3 inputs, and there is no differenceĢ. So you may want to jump to the next paragraph directlyīecause I wanted to check the functionality, all SINAD tests here were perfomed at 192kHz. I measured the analog loopback (DAC + ADC) of the RME ADI-2/4 Pro SE when fed with a digital signal coming through those devices. Testing with the RME ADI-2/4 Pro SE as a DACįirst, I've performed measurement with my ussual tool, the RME ADI-2/4 Pro SE as a DAC If they are transparent, we should see no difference in measurements.ġ. So I've set-up some measurements using a RME UCX II (digital source) and the RME ADI-2/4 Pro SE.Īs Amir is doing, I measured performance on the analog side, after the DAC receives the digital signal through the device I wanted to test. I wanted to validate those devices for transparency. The convertor came with a 5V adaptor, but with a US plug, so not really usable for me. The Coaxial/TosLink SPDIF converter has a coaxial SPDIF (RCA connector) and a Toslink on both sides: Inputs on one side, outputs on the other side.Ī switch allows to select which of the 2 inputs you play from.īoth outputs are then receiving the signal (More on that later)īoth devices are powered with 5V and come with corrsponding USB connector. Input may be selected through the remote or the front switch. ![]() The TosLink switch has 3 inputs and 1 output.
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