Markbass AH-250 Overview
The Markacoustic AH 250 is a compact and lightweight head for acoustic instruments. Connect it to your preferred cabinet/s, or use it as a preamp without a speaker'just take a line from the XLR out and set your master volume to zero. The analog amp is 150W @ 8 ohms or 250W @ 4 ohms, and offers two preamp channels (one 1/4" jack and one XLR/1/4" combo jack with switchable 48V phantom power). Anti-feedback and phase reverse controls allow you to capture the true essence of your acoustic sound while enjoying serious headroom.Call GAK now for product info, advice and the Best Prices - 01273 665400
- INPUTS
- -CHANNEL 1: impedance 500 Kohm, max. voltage 10 Vpp
- -CHANNEL 2: impedance 500 Kohm, max. voltage 10 Vpp
- -BALANCED CHANNEL 2: impedance 500 Kohm, max. voltage 20 Vpp
- -INSERT POINT: impedance 10 Kohm, max. voltage 20 Vpp
- CONTROLS CH 1
- -GAIN: -45 dB to 28 dB range
- -EFFECT MIX: Internal effect only
- -EQ LOW: 40 Hz, cut or boost up to 16 dB
- -EQ MID: 600 Hz, cut or boost up to 16 dB
- -EQ HIGH: 6 kHz, cut or boost up to 16 dB
- CONTROLS CH 2
- -GAIN: -43 dB to 26 dB range
- -PHANTOM POWER: 48V DC
- -VPF (Variable Pre-shape Filter): center frequency: 380 Hz (cut)
- OTHER CONTROLS
- -PHASE: 0°, 180°
- -ANTIFEEDBACK: 20Hz (off), 400 Hz
- OUTPUT
- -INSERT POINT: unbalanced, max. voltage 25 Vpp
- -SEND MIX: balanced, max. voltage 20 Vpp
- OTHER
- -WIDTH: 10.87 in. / 27.6 cm
- -DEPTH: 10in. / 25.6 cm
- -HEIGHT: 2.8 in. / 7.1 cm
- -WEIGHT: 6.39 lbs / 2.9 kg
- -OUTPUT POWER: 250W RMS @ 4 ohm, 150W RMS @ 8 ohm
- -POWER REQUIREMENT: 100/120V; 230V; 240V50/60Hz
