Ashdown Bass
Magnifiers
ABM, MAG
& Electric Blue
Operating Instructions
Specifications
ABM, MAG & ELECTRIC BLUE 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 |
Stereo Line Inputs (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 (except Electric Blue) |
Impedance 1K Ohms |
Level switched 0/+4dBU |
High Pass (except Electric Blue) |
Impedance 1K Ohms |
Level switched 0/+4dBU |
Full Range (except Electric Blue) |
Impedance 1K Ohms |
Level switched 0/+4dBU |
Speaker Outputs |
Minimum impedance 4 Ohms (Electric Blue: 8 Ohms) |
|
EQUALISATION (Electric Blue & MAG) |
|
|
Bass |
+/-15dB @ 100Hz |
|
Lo Mid |
+/-15dB @ 340Hz |
|
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: -3dB at 22Hz and 25KHz) |
|
Rack Preamp RPM1 Crossover |
Variable between 35 and 160Hz |
|
Power Requirements |
230 / 115V |
|
Power Output (Electric Blue only) |
120 Watts RMS into the internal speaker, 240 Watts peak |
|
Howe Farm • Southend Road • Chelmsford • Essex • CM2 7TE E-mail: info@ashdownmusic.co.uk
Ashdown Bass
Magnifiers
ABM, MAG
& Electric Blue
Operating Instructions
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