E530 this is a replica of a famous E530 ENGL one of the best tube preamps in the world for modern styles.
clean: GAIN, BASS, TREBLE, VOLUME. BRIGHT switch
lead: GAIN, BASS, MIDDLE, TREBLE, VOLUME. CONTOUR switch
AMP out, LINE out (internal speakersim)
power supply 12VDC positive centre 1A min.
TUBES: 12ax7 / ecc83 2pcs.