Do you have a question about the ALLNIC AUDIO L-4000 and is the answer not in the manual?
Instructions for cleaning the preamplifier's chassis and connectors using specific methods.
Guidelines for placing and connecting the preamplifier for optimal performance and safety.
Details on selecting balanced or single-ended RCA output connections for amplifiers.
Explanation of the 180-degree phase switch and its effect on the stereo image.
Step-by-step guide on powering up the L-4000 and initiating operation.
Understanding the meter readings for gain tubes and voltage regulators.
List of tubes used in the L-4000 and their functions.
Physical dimensions and weight details for the Allnic L-4000 preamplifier.
| Output Impedance | 150 Ohms |
|---|---|
| Input Impedance | 100 kOhms |
| Frequency Response | 20Hz - 20kHz |
| Inputs | 5x RCA |
| Outputs | 2x RCA |
| Dimensions | 430mm |