Via The Art of Sound Forum: “As mentioned at the tale end of my write up on the history of the Leak Trough-Line FM tuner, I felt I should do a companion piece on the sound quality of Leak Trough-Line tuners, well here it is. This was an interesting and challenging project to embark on as it is the first time I have ever compared the various tuners I own.

The tuners up for comparison were the Leak Trough-Line 2 and Trough-Line 3 which are used in combination with an EAR FM valve stereo decoder, the Leak Trough-Line Stereo (which has its own stereo decoder), The Rodney Hanna Trough-Line Stereo and as a quality reference the Revox 260S FM tuner.

The system used comprised the following…Chapter Audio Preface Signature pre-amplifier, Chapter Audio Couplet power-amplifier and Anthony Gallo Ref 3.1 speakers. Cabling was Atlas Marvos speaker cable, Audience AU24 rca-rca interconnect, and the fixed cable? that comes with the Trough-Line Stereo (a weakness that can be removed by rewiring and placing rca sockets on the chassis…..a project for another day.) Power cables used included Audience AU24 hooked up to the Chapter electronics, TCI Boa Constrictor to the EAR decoder. Most of the tuners have fixed mains cables so no choice was possible (one of the Trough-Lines has the option, but a technical issue shortened the period of use, so no other make of cable was tried).”

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