Park Farm • Inworth • Colchester • Essex • CO5 9SH http://www.ashdownmusic.
The ABM Design Philosophy This is a NO COMPROMISE design using the best parts available wherever possible. The lightning flash with the arrow head symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated ‘dangerous voltage’ within this product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
Fro nt Panel Facilities ABM, RPM-1, MAG 300 & ELECTRIC BLUE 180 ABM/RPM-1 DEEP (Electric Blue 180 & MAG 300) With this button IN, a fixed E.Q. is superimposed on the preamp to give a BASS boost to the sound.This gives +8dB at 50Hz. BRIGHT (Electric Blue 180 & MAG 300) With this button IN, a fixed E.Q. is superimposed on the preamp to give a TREBLE boost to the sound. This gives +10dB at 10kHz.
Fro nt/ Rear Panel Facilities ABM, RPM-1, MAG 300 & ELECTRIC BLUE 180 TUNER / LINE OUT This output socket provides a line level signal that can be used either for a permanent connection to a tuner or a line output to slave up to other power amplifiers. (ABM/RPM-1 users - Please note that if this socket is used as a slave output to other power amplifiers that the MUTE button will not mute the signal to the external power amplifiers.
Specificatio ns ABM, MAG 300 & ELECTRIC BLUE 180 PREAMPS INPUTS High Input Low Input Line Input (ABM only) Effects Return Impedance Impedance Impedance Impedance 3.
