Specifications - Ashdown ABM/RPM-1 Operating Instructions Manual

Specificatio ns
ABM, MAG 300 & ELECTRIC BLUE 180 PREAMPS
INPUTS
High Input Impedance 3.9M Ohms
Low Input Impedance 10K Ohms
Line Input (ABM only) Impedance 22K Ohms
Effects Return Impedance 22K Ohms
OUTPUTS
Tuner Output Impedance 22K Ohms
Sub Output (ABM only) Impedance 22K Ohms
Effects Send Impedance 22K Ohms
D.I. Output 600 Ohms balanced
Low Pass (RPM1 only) Impedance 1K Ohms
High Pass (RPM1 only) Impedance 1K Ohms
Full Range (RPM1 only) Impedance 1K Ohms
Speaker Outputs Minimum impedance 4 Ohms
EQUALISATION (Electric Blue 180 & MAG 300)
Bass +/-15dB @ 100Hz
Lo Mid +/-15dB @ 220Hz
Middle +/-15dB @ 660Hz
Hi Mid +/-15dB @ 1.6kHz
Treble +/-15dB @ 7kHz shelving
Deep +8dB @ 50Hz
Bright +10dB @ 10kHz
Signal to Noise Better than 80dB (EQ flat)
Distortion Less than 0.5% THD
GENERAL SPECIFICATION
Frequency Response -3dB at 17Hz and 30KHz (Electric Blue 150: -3dB at 22Hz and 25KHz)
Rack Preamp RPM1 Crossover Variable between 35 and 160Hz
Power Requirements 230 / 115V
Park Farm • Inworth • Colchester • Essex • CO5 9SH
E-mail: info@ashdownmusic.co.uk
Input range 150mV to 20V p-p
Input range 300mV to 40V p-p
Input level 0dBu nominal
Input level 0dBu nominal
Level 0dBu nominal
Level 0dBu nominal
Level 0dBu nominal
Level -20dBu nominal
Level switched 0/+4dBU
Level switched 0/+4dBU
Level switched 0/+4dBU
EQUALISATION (ABM)
Shape (Push Flat) +8dB @ 50Hz & 4kHz, -8dB @
400Hz, filter slope - 6dB/octave
Bass +/-15dB @ 45Hz
Middle +/-15dB @ 660Hz
Treble +/-15dB @ 7kHz shelving
Slider1 +/-15dB @ 110Hz
Slider 2 +/-15dB @ 340Hz
Slider 3 +/-15dB @ 1.3kHz
Slider 4 +/-15dB @ 2.6kHz