One Excellent MOTOROLA 1S4 Tube. The Minimum for a 1S4 Tube is : 58. The Calculated NOS Value for a 1S4 Tube is : 29. NOS NIB Pentode. Value Added Tube. Tube Pins Cleaned & Straightened. Tube Surfaces Cleaned.
One Excellent MOTOROLA 1S4 Tube. The Minimum for a 1S4 Tube is : 58. The Calculated NOS Value for a 1S4 Tube is : 29. NOS NIB Pentode. Value Added Tube. Tube Pins Cleaned & Straightened. Tube Surfaces Cleaned.