Also don't overlook into using either a VCR or DVD recorders. VCR's use to be very common for audio backups. Their specs were normally higher than consumer grade audio recorders.

Todays DVD recorders are even more impressive with high quality audio capability and some models featuring digital input/output.

A small 1-2 channel mixer input into the audio input of the DVR is all that is necessary to input your audio. This provides the preamps and line level output.

Here are some screen grabs of the audio specs of a JVC DVR recorder.

192/24 bit with spdif digital stereo output and analog output.

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BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.