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Krohn-Hite Model 3940 Dual Channel Programmable Filter
Serial No. 002327 — Made in USA
Filter Types: Low Pass / High Pass / Band Pass / Band Reject
Response: Butterworth or Bessel (selectable)
Channels: 2 independent
Interface: Front-panel keypad + IEEE-488 (GPIB) remote programmable
Inputs/Outputs: BNC (CH1 / CH2 In and Out)
Power: 120/240V switchable, 25W, IEC inlet
CONDITION:
- Powers on, display fully functional
- All keypad buttons respond
- All 4 BNC connectors and IEEE-488 GPIB port intact
- Front faceplate intact, no peeling or damage
- Last NIST-traceable calibration: 04/20/2004 (expired - sold uncalibrated)
- NOT bench-verified against signal generator - sold as functional but uncalibrated
- Includes: unit only. No power cord, GPIB cable, or manual.
Krohn-Hite still manufactures the 3940 — current new price approx $5,000+.
Ships from ZIP 63011. Best Offer welcome.
