(it is also possible to use the PSB2-1 to switch between 2 DAC via their RCA “line out” using the appropriate cables and/or adapters. more information and wiring diagram in the table here)
In order to make A/B comparison tests between 2 DAC with the PSB2-1R (or PSB2-1 with adapters), it is necessary that the two DAC have a “line out” analog RCA output. The PSB2-1R must be connected between the 2 DAC and the amplifier as shown in the diagram below. All connections are done using [RCA – RCA] interconnect cables.
- Connect the DAC analog “LINE OUT” RCA (Left & Right) of each of the 2 DAC respectively to the A and B sets of RCA INPUTS located on the back of the PSB2-1R, using [RCA – RCA] interconnect cables. (High quality Klotz cables, with Neutrik gold plated connectors can be provided optionally)
- Connect the RCA OUTPUT on the front of the PSB2-1R to the analog “LINE IN” RCA set of the amplifier.
- Use the toggle switch to switch between the A and B DAC signals
The sonic differences (if they exist) between the connected DAC (or any other audio components connected via their “line out”) will be easily apparent as we can switch from one to the other instantly using the toggle switch, without any other distraction (no need to stop listening and pull and plug cables…, just switch between A and B with the toggle switch…)
Only high quality components with internal silver plated contacts are used in the PSB2-1R (4PDT toggle switch with silver plated contacts switching also the grounds, gold plated RCA connectors).
- How to make reliable A/B comparison tests between 2 interconnect RCA cables? Use the PSB2-1R, or the PSB2-1 with adapters [RCA to 1/4″ jack]
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