PG's Joe Coffey is On Location in Frankfurt, Germany, for the Musikmesse 2010 show where he visits the O Nine booth. In this segment, we get introduced to the O Nine Tunator Resonator Cabinet. This invention is said to work like older violins by allowing the user to adjust the tuning of the speaker cab walls, which directly effects the speaker cone giving the guitarist a completely different tone.



PG's Joe Coffey is On Location in Frankfurt, Germany, for the Musikmesse 2010 show where he visits the O Nine booth. In this segment, we get introduced to the O Nine Tunator Resonator Cabinet. This invention is said to work like older violins by allowing the user to adjust the tuning of the speaker cab walls, which directly effects the speaker cone giving the guitarist a completely different tone.

Fig. A

When power cables and signal paths tangle, the results can be noisy. Here are some easy fixes.

In my previous State of the Stomp ["The Shocking Truth About Ground Loops," October 2021], I discussed how ground loops can be formed between the amplifiers in a multiple amp setup, and how to safely address them with an isolation transformer. As a brief reminder, a ground loop is created whenever two electrical circuits that theoretically have the same ground potential actually have a non-zero potential between them in practice, and that often results in hums and buzzes that are harmonically related to the mains voltage frequency in your part of the world.

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We've reviewed a ton of cool gear over the past 12 months, but these stood above the rest and won our coveted Premier Gear Award.

This year more than 40 guitars, basses, effects, and amps from a diverse group of gear makers earned the coveted Premier Gear Award from our discerning editors. Here is our gear of the year.

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