Electro Harmonix 12AT7 Preamp Tube (Single) Acoustic Pianos The ISA One microphone preamplifier

The ISA One microphone preamplifier delivers Focusrite's prestigious ISA transformer-based preamp in a rugged and portable chassis

Available in black or white finishes

Individual pulse width / tone mod control provides ultimate sounds

it’s the answer to trailblazers looking for a bag that matches their pace

New York • Night and Day • On a Clear Day You Can See Forever • On the Street Where You Live • Over the Rainbow • Peop le • Satin Doll • The Shadow of Your Smile • Singin' in the Rain • Someone to Watch Over Me • Star Dust • Summer Wind • Summertime • Take the “A” Train • This Masquerade • Try to Remember • What a Wonderful World • When I Fall in Love • Where or When • You Raise Me Up

Electro Harmonix 12AT7 Preamp Tube (Single) Acoustic Pianos The ISA One microphone preamplifierThe EHX family of tube brands includes: Tung Sol, Electro Harmonix, EH Gold, Genalex Gold Lion, Mullard, Svetlana & Sovtek. Our tubes have always been known for their reliability and great tone due to our strong committment to quality engineering and manufacturing. For a tube to be labeled with our brand, it must endure and pass the toughest testing in the industry. Electro Harmonix vacuum tubes are the leading choice for many legendary amplifier