MusicRadar Verdict
A no-brainer for keeping your tone intact with long cable runs.
Pros
- +
Saves your tone on long cable runs. Price. Connection options.
Cons
- -
Nothing.
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The Fret-King Line Doctor, part of the firm's first stompbox range, has no sound of its own, but is designed to 'heal' your tone if it degrades - usually the consequence of using long cable runs and/or a series of 'true bypass' pedals.
"The Line Doctor does a great job at the front of our signal chain, delivering a significantly brighter signal"
Most manufacturers offer true bypass these days: the feature is seemingly a must-have for many purchasers, but a chain of them can suffer from signal degradation, notably a reduction in high frequencies due to issues that we don't have the space to discuss here.
The Line Doctor provides buffering to counteract that. In a test setup with four true bypass pedals and average cable lengths, the Line Doctor does a great job at the front of our signal chain, delivering a significantly brighter signal, but it could work at different points in a chain, not least your effects loop.
While its footswitch is, to a certain extent, superfluous (a buffer should be an always-on device) it usefully lets you A/B and hear the effect that the pedal is having. And that effect is all good!
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