I am trying to play along to

and standard tuning isn't quite matching up... so it must be down tuned a bit, but how much? I have the Snark SN-8 Super Tight All Instrument Tuner and I haven't used it to its full extent yet

  • Not being flippant. Try adjusting the guitar's tuning by ear. You could get pretty quick and good at it. It's not that big a deal. But - you've bought the gismo, and want to use it. Understandable. Learn to do it by ear, and people will be well impressed ! Comment, not answer.
    – Tim
    Commented Feb 1, 2021 at 11:09

1 Answer 1


Here are two methods to match your guitar to the video: one way with the tuner (using the 40-cent adjustment cited in the OP) and one without the tuner.

Recalibrating the tuner

According to the SN-8 user manual, to change the pitch calibration, one should

push the round "PITCH CAL" button on the back side of the tuner and immediately press either the up or down triangular buttons to choose a new tuning reference. The pitch reference can be set anywhere from 415 - 466Hz. Pressing the power switch on the front of the tuner resets the tuner to A-440.

Tuning 440Hz down by 40 cents gives gives 430Hz.

Image of Hertz calculation (SOURCE)

Not using the tuner

Tune any of the pitches you're certain of against the recording, preferably an open string. Then tune the rest of the guitar from there.

  • Back in the '60s not using a tuner was the preferred method - in fact, the only method. Playing along to stuff on the radio necessitated changing tuning every few songs. Got very quick at it.
    – Tim
    Commented Feb 1, 2021 at 9:11

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