Home / Preamp Tube / LJ 5687 AF Series Preamplifier (MiniMax 7) / LJ 5687 AF Preamplifier (MiniMax 7 - 2007-1107) 2
LJ 5687 AF Preamplifier (MiniMax 7), the best buy. Adopt (and improvement) the Audio Note M7 circuit.
- Design topology: anode follower (AF).
- Tubes: 1x 5687 (preamp), 1x 6X4 (rectifier).
- 1U metal chassis and nickel-plated tube protector.
- Two line input with toggle switch selector on back panel.
- Two step power up: OFF -> ON (mute/stand by) -> ON (operate).
Photo file: November 7, 2007.