This is the Tektronix 5L4N Interim Instruction (Service & Operation) Manual. The PDF also cantains Application Note The Tektronix Cookbook of Standard Audio Tests Using the 5L4N Low Frequency Spectrum Analyzer, for a total of 195 pages. This is outstanding information for any practicing audiophile.

This is the Tektronix 5L4N Interim Instruction (Service & Operation) Manual. The PDF also cantains Application Note The Tektronix Cookbook of Standard Audio Tests Using the 5L4N Low Frequency Spectrum Analyzer, for a total of 195 pages. This is outstanding information for any practicing audiophile.