Ashdown Engineering After 8, Perfect 10, Vintage 12, Five 15, 15 BB, MAG Rootmaster, ABM 400, ABM 500, ABM 900, ABM 1000 Bass Amplifier User Manual

Below you will find brief information for After 8, Perfect 10, Vintage 12, Five 15, Five 15 BB, MAG Rootmaster, ABM 400, ABM 500, ABM 900, ABM 1000. Choose your amplifier from the list and learn how to properly connect and configure the unit. The manual includes information on the features of each model, as well as instructions on how to use them. You will also find information on troubleshooting and maintenance.

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Ashdown Engineering After 8, Perfect 10, Vintage 12, Five 15, Five 15 BB, MAG Rootmaster, ABM 400, ABM 500, ABM 900, ABM 1000 User Manual | Manualzz

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Key features

  • Sub Harmonics
  • Valve Drive
  • Compression
  • EQ
  • Direct Inject
  • Effects Loop
  • Headphone Jack
  • Line In
  • Aux Mix
  • Speaker Out

Frequently asked questions

This section produces Sub Harmonics an octave below the notes being played. The level of these Sub Harmonics relative to the straight bass sound can be adjusted using the LEVEL control.

This routes the signal either through a clean Solid State amplification section (control on zero) or through a Dual Triode Tube amplification/overdrive section in order to add either tonal character i.e. warmth with the control set at 9 o’clock, a slight edge in the sound at 12 0’clock through to an increasing degree of Tube distortion/overdrive as the control is advanced to maximum.

Adding a small amount of compression gives a fat bottom end to the sound and allows a greater volume of amplification to be used without the playing peaks distorting the amplifiers output stage.

There is a single instrument input provided linked to a PASSIVE/ACTIVE selector switch.

A balanced D.I. is provided on a latching XLR socket. This has a push button placed below it that allows the user to choose either a Pre E.Q. signal (button pushed IN) or a Post E.Q. Post Sub and effects signal (button OUT).

A serial effects loop is provided at a level of 0db. The effects send and return sockets for this are on the front panel below the d.I. Socket.
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