Kern Engineering IP-777 Tube Bass Preamp w/Rack Case (Used)

This unit is in very good condition with minor cosmetic wear. It has been fully tested and is 100% working with no issues. The tubes look to be original and are in good working condition, this preamp has 2 12AX7 and 1 12AU7 preamp tubes. The included rack case is a 4U SKB case and the power supply for the preamp is hard mounted to the case.

This is the writeup on this unit from the included paperwork from Kern

This new product from Kern Engineering and Audio Designer/Bassist Les Plopa Features

• Very high impendance (10 Meg) inputs for versatility and proper impedance matching to piezo transducers.
• Straight forward controls for quick and easy setup.
• All vacuum tube signal path for low noise, warmth, clarity and tonal transparency. No chips are used.
• High quality components: Polypropylene capcacitors, flameproof metal film resistors, gold plated connectors etc. were chosen for best tone and longest life.
• Tone controls are passive for a intuitive, familiar feel, minimum fussing.
• Peak lamps that come on before clipping, letting you know in advance.
• Hand soldered point to point wiring, using glass epoxy tag board for high quality and durable build construction. Great for rugged road use.
• Rear mounted, recessed tubes for cooling and easy access without removing unit from your rack. Only ceramic tube sockets are used.
• Balanced 600ohm output using broadcast quality output transformer, capable of +20 output level. Separate line out master control.
• Hi level unbalanced output with seperate master volume controls.
• Continuous buffered tuner output.
• Hi-Z input has a very high 10 Meg input impedance. This is attainted by using a very special bootstrapped follower circuit that products little loading on pickups such as piezo transducers giving full range response and eliminating the need for an additional preamp box usually with piezo pickups.
• Buffered signal level effects loop for your favorite pedals and processors.
• Unit does not invert the phase of signal, preserving signal punch.
• High voltage design with audiophile concepts engineered for headroom and high fidelity performance. Class A circuitry.