Here is a video demo and review by noted Canadian guitarist Don Alder.

Here is an audio clip of the Ultra Tonic V3 in a Martin OMC steel string guitar. Recorded direct to the audio interface. First is half is dry with no EQ or processing, second half has simple high boost shelf EQ.

Here is guitarist Luis Diaz with a Buscarino Starlight nylon string guitar, equipped with an Ultra Tonic, direct into the sound card with a slight bit of EQ and reverb.

Here is an audio clip of the Ultra Tonic V3 in a Altamira TD-Brazilian gypsy guitar. Recorded direct to the audio interface with no EQ or processing. This is the classical version of the pickup with two dots mounted to the underside of the soundboard, just ahead of the bridge feet, plus the feedback sensor mounted on the bass side of the sound board farther back.

Here is an audio clip of a Martin D-18 David Crosby limited edition with the Ultra Tonic Pickup. No processing, direct to audio card.

Here is an audio clip of the Ultra Tonic V3 in a Cordoba GK Studio Negra Nylon string guitar. Recorded direct to the audio interface. First is half is dry with no EQ or processing, second half has simple high boost shelf EQ.

Here is guitarist Luis Diaz with an Eastman Cabaret nylon string guitar, equipped with an Ultra Tonic, direct into the sound card with a slight bit of EQ and reverb.

Here is an audio clip of the Ultra Tonic V3 in the new Eastman Cabaret arch-back nylon string. Recorded direct to the audio interface.

Here is an audio clip of the Ultra Tonic V3 in a Voyage Air VAD-1 steel string guitar. Recorded direct to the audio interface. First is half is dry with no EQ or processing, second half has simple high boost shelf EQ.

Here is guitarist Luis Diaz with a Buscarino Starlight nylon string guitar, equipped with an Ultra Tonic, going into the Buscarino Chameleon Amp and Speaker combo. It was miked directly in front of the speaker.

Here is an audio clip of NYC artist Aaron Short playing a Martin DC-28 equipped with the Ultra Tonic Pickup. No processing, direct to audio card.