Ashdown Design & Marketing MAG 300 ユーザーズマニュアル

Park Farm • Inworth • Colchester • Essex • CO5 9SH

E-mail: info@ashdownmusic.co.uk

Specificatio ns

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

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

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