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Acoustic Amplifier Handbook

Thank  you  for  purchasing  the  Accusound  AMA-1  acoustic  amplifier.  Please  read  the 
enclosed information. This will help you to understand the product in which you have 
invested and enable you to get the most out of it.

Please take note of the safety warnings and as with all electrical goods, do not attempt to 
open  the  product  under  any  circumstances.  There  are  no  user  serviceable  parts.  All 
remedial work should be referred back to Accusound.

Always  protect  your  amplifier  from  damp.  Any  moisture  on  the  cabinet  should  be 
immediately  dried  using  a  cloth  to  prevent  any  from  entering  the  product  through 
connector sockets or other points. 

This unit must only be used with mains supply that has a protective earth connection.

AMA-1

mk ii

 100watt acoustic amplifier

172 Wadsley Lane, Sheffield, UK. S6 4EE 07774 782503

Contents:
Amplifier Use 

  2

Master, Tone & Reverb 

Output Clip, Reverb Table  4
Quick Start 

5

Technical Spec 

8

Summary of Contents for AMA-1

Page 1: ...stances There are no user serviceable parts All remedial work should be referred back to Accusound Always protect your amplifier from damp Any moisture on the cabinet should be immediately dried using a cloth to prevent any from entering the product through connector sockets or other points This unit must only be used with mains supply that has a protective earth connection AMA 1mk ii 100watt acou...

Page 2: ...h With a low level input signal these LEDS may not illuminate With a good signal level they will flash or remain constant Green When the signal is too high the LEDS will remain constant Red When the LEDS are mostly Green and only occasionally flash Red then the signal level is at its optimum level To set these input the signal to the amplifier at the highest level that is likely to be used This me...

Page 3: ...6 different types of reverberation available on each channel It has to be the same type of reverberation on each channel but the level of this reverberation can be adjusted individually on each channel from zero to max The large Red knob Effects Select allows any one of the 16 types of reverberation to be selected There is a list of the reverb styles associated with each number on the back of the ...

Page 4: ...rned anti clockwise to reduce the output level Reverberation Parameters Reverberation Description Parameter Spring Reverb Reverb Delay Time Room Reverb Reverb Delay Time Slapback Reverb Reverb Delay Time Hall Reverb Reverb Delay Time Chorus Reverb Reverb Delay Time Chorus Chorus Depth Delay Delay Time Delay Reverb Delay Time Octave Octave up down Rotary Speaker Rotation Speed Reverb Tremolo Tremol...

Page 5: ...tch should illuminate if not check you have connected the mains cable correctly and that you have switched on the power at the mains socket If your pickup requires phantom power please press the small black button to the left of the red LED under the word Phantom at the top right of the picture The red LED should now illuminate if you do not require phantom power please ignore this step Next turn ...

Page 6: ...uiet or you cannot hear any sound turn the white knob under the green Gain knob to 5 or 6 or further until you can hear yourself play If you need to turn this knob to 8 or above then also turn the Master white knob to 5 or 6 or above until you get the level of sound you require You are now setup It is better to have the Green and or White knob at the top high and the white Master knob low rather t...

Page 7: ...knobs Effects Level either side of the large knob adjust the amount of reverb applied to each channel The red knob Effects Parameter changes some of the characteristics of the reverb chosen this should be adjusted to hear the changes some are very subtle Which parameter is changed is listed on page 3 this is also listed on the back of the amplifier Please now experiment and learn how the amplifier...

Page 8: ...lanced XLR or unbalanced 1 4 jack Phantom power 12v switchable on both channels Tone controls Both channels identical Bass 10dB 120Hz Mid 10dB 800Hz Treble 10dB 10kHz Reverberation 16 programs available on both channels level independently adjustable DI Output Balanced switchable pre post control Phones Mono feed signal with independent level control Power 240AC 50 200VA IEC socket UK lead supplie...

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