I know the Squeezebox Touch is getting dated, but it still works! I am now using it with a Cambridge Audio 851N pre-amp / streamer and have noticed the sound level is not as loud as my previous Rotel amplifier(s). On further testing I noticed the output voltage is only about 900mV rms when the spec. states it should be about 2000mV (2V) rms. I have tried various methods: Enhanced USB; SPDIF; TOSLink and all only give me 900mV rms output from the analog output, and headphone output so this is the maximum level the 851N pre-amp is providing power amp. This signal gives me about 10W instead of the 200W I expect from the power amp. I know the Rotels all gave me a loud sound, so loud you couldn't turn them above 70%, but the signal level now enables me to turn the system to maximum with insufficient volume. If I stream from my PC to the 851N then I get full volume, not wanting more than 70% again. The signal I am using for all tests is a test track 0db, 1kHz. I recently updated the Squeezebox firmware as well as the LMS so believe there may be a problem with these updates. Once again, contacting Logitech has proven pointless. I have managed to get Logitech Media Server 7.7.6 installed after removing 8.2.0 but cannot find any previous versions of the Squeezebox firmware to test. I know this may not work well, but I really just want to see if its firmware/software or hardware problem that is causing the level problem. If its hardware, then a Pi project is on the cards. Does anyone know of a link to previous firmware I can download, if so then how can I install it locally. USB perhaps? Regards and thanks
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