Introduction MESSAGE TO THE USERS SUMMARY OF FEATURES Thank you from all of us at Vintage Revolution for purchasing the Acoustic • Impressive sound quality Box preamp. We hope it will prove to be the best investment of your musical •...
IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of fire or electric shock, unplug the apparatus when there is high probability of lightning. bent, stretched or pinched by items placed upon or against them, paying particu- lar attention to cords, plugs, convenience receptacles and the point where they exit from the apparatus.
This marking indicates that this product must not be dis- posed with other household waste throughout the EU. To dispose of your product, please use your local return and collection system, or contact the retailer where the product was purchased or Vintage Revolution B.V.
Working with Presets Power information Power chord: Connect only power chord supply with the Abox to this input. The other end of the chord must be connected to an earthed main socke Voltage selector : Select the AC voltage corresponding to your local AC power Fuse Holder : T 0,1 AH 250V.
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Abox in detail Channel 1 (CH1) The CH1 is a high input impedance channel designed for passive transducer (eg. piezo or magnetic pickup) and it can handle up to 0 dBu without distor- tion. Use a mono jack from the left side in proximity of the CH1 to connect to your pickup.
Abox in details Mixed channel CH1+CH2 Notch filter The mixed channel is the signal obtained by adding the processed channels The programmable notch filter on channel 2 can be activated or deactivated CH1 and CH2 . Each individual channel contribution is set by the LEVEL control using the switch placed on top of the notch frequency tuner.
Abox in detail Using condenser/membrane mic and piezo Ground Lift This switch tackles the ground loop issue encountered when AMP and PA are This section contains some fine tuning tips for those who use condenser mic simultaneously connected to the Abox. (DPA 4099, ATM350 , AKGC414, Neumann u87, etc..) or dynamic mic ( SHURE SM57, SM58, etc..) in combination with piezo pickup.
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Abox in details the LEVEL of CH2, you can have a great bottom end with low feedback. This Place the FREQ’s nob (CH2) to 100Hz and the corresponding MID knob to 15 o’ of course works well if you are using the mic in combination with the piezo. clock.
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