Ashdown Design & Marketing Electric Blue 180 Stereo Amplifier User Manual


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