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Ashdown ABM-EVO IV User Manual

Ashdown ABM-EVO IV
42 pages
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USER MANUAL
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Ashdown ABM-EVO IV Specifications

General IconGeneral
TypeBass Amplifier Head
Channels1
Tube PreampYes
Preamp12AX7
Inputs1 x 1/4" (instrument)
Speaker Outputs2 x Speakon
Outputs1 x XLR, 1 x 1/4" (line out)

Summary

Thank You and Registration

Product Registration

Information and link for registering the amplifier online for customer support.

Input Controls

Instrument Input and Level

Details the instrument input, passive/active switch, and input level control with VU meter.

Push Flat/Shape Function

Explains the effect of the Push Flat/Shape button on the EQ response.

Valve Drive Plus

Details the Valve Drive Plus section for tonal character and overdrive.

Valve Drive In/Out

How to switch the valve drive section in or out, also via footswitch.

EQ In/Out Control

Function to switch the entire Equalisation section in or out.

9 Band Equalisation

Explains the 9-band EQ, combining tone controls and sliders for versatile tone shaping.

Dynamic Compression

Details how compression adds bottom end, definition, and sustain to the bass sound.

Compression In/Out

Describes the push button to activate or deactivate the compression effect.

Sub Harmonics

Explains the Sub Harmonics feature for thickening the sound with a lower octave.

Direct Inject (D.I.)

Information on the balanced D.I. output for connecting to mixing desks or recording.

Muting and Tuning

Details the Push to Mute function and the dedicated Tuner Out socket.

Output and Input Connections

Describes Line Out, Output Level, Line Input, and Effects Send/Return.

Footswitch and Speaker Outputs

Information on the 4-way footswitch socket and speaker output connections.

Specifications

Input Specifications

Details impedance and input range for High, Low, Line, and Effects Return inputs.

Output Specifications

Details impedance and level for Tuner, Line, Effects Send, and D.I. outputs.

Equalisation Specifications

Details specific frequency boosts/cuts for Shape, Bass, Middle, Treble, and EQ sliders.

Frequency Response

Specifies the amplifier's frequency response range.

Speaker Output Specifications

Details minimum impedance for speaker outputs.

Output Power Specifications

States the RMS and Peak output power per power section.

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