Description Description One 12AX7 tube is missing. Freq. range 2 - 20 times 0.01 - 0.1 - 1 - 10 - 100. High and low pass on separate dials. Can also do band-reject. device can be used for, speakers, music, musicians, high end sound equipment, filters sound/audio View AllClose
Add to Cart Quick view Krohn-Hite Corporation 3103A-4 Operating & Maintenance Manual Was: $36.50 Was: $80.00 Krohn-Hite Corporation 3103A-4 Operating & Maintenance Manual Condition: UsedPlease view our photo set and contact us if you have any questions about the condition of this item. 37495 SKU: 37495 Weight: 2.00 LBS