Search site: Submit Search About Shop Tour Instruments Fluke Ukulele Mandolin Flea Ukulele Firefly Banjo Cricket Violin & Viola Fluke SB Timber Bass Available Now Custom Gallery More Products Accessories & Hardware Books & Instructional Materials Strings Ukulele Strings Banjo Strings Bass Strings Guitar Strings Mandolin Strings Violin/Viola Strings Cases, Hangers, & Stands Electronics More Instruments Apparel Gift Certificates What's New New Products Continuing Improvements Dealers Libraries Press Testimonials Support FAQs Fluke/Flea Ukulele support Cricket Violin support Firefly Banjo support Timber Bass & Fluke SB support Instrument Specifications Shipping Info Warranty Returns Contact Holiday Gift Guide Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Magic Fluke Company MENU Open menu Toggle search bar CART ( ) Search... Submit search Home > More Products > Electronics > Preamplifier Open to Source Sensors "Line Driver" other views: This is Open to Source Sensors' Line Driver. Claimed to be one of the best sounding preamplifiers for acoustic pickups.The unit is completely hand wired, and provides a 5 megohm input impedance and up to 35db of clean, usable gain that will drive any 1/4" input with ease.The master volume control mutes the output when it is turned all the way down, and includes a switch to turn off the battery. There is a secondary redundant battery switch in the output jack that also turns the unit off when it is unplugged. Battery life is approximately 900 hours using a standard 9 volt alkaline battery. Compact rugged case with belt clip. Measures: 1 1/4" x 1 1/2" x 3 1/4. base price: $149.00 Open to Source Sensors preamplifier "Line Driver" for acoustic pickups Related Items K & K Big Shot - Internal Mount Fishman Loudbox Mini Amp Open to Source Firefly Pick-Up Clip-on Electronic Tuner base price: $49.00 Add base price: $349.95 Add base price: $85.00 Add base price: $23.00 Add Belcat Q7 Digital Candy Tuner MiSi Battery-Free Pre-Amp K & K Big Shot - External Mount EHX Hot Threads Stereo Wired Headphones base price: $9.95 Add base price: $120.00 Add base price: $49.00 Add base price: $18.00 Add Share your knowledge of this product. Be the first to write a review »