Radial Engineering AC DRIVER Manual Download Page 1 | Manualshive

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Radial Engineering Ltd.

1588 Kebet Way, Port Coquitlam BC V3C 5M5

Tel: 604-942-1001 • Fax: 604-942-1010 • Email: [email protected]

AC•DRIVER

Acoustic Instrument Preamp

TM

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Summary of Contents for AC DRIVER

Page 1: ...Radial Engineering Ltd 1588 Kebet Way Port Coquitlam BC V3C 5M5 Tel 604 942 1001 Fax 604 942 1010 Email info radialeng com AC DRIVER Acoustic Instrument Preamp TM ...

Page 2: ......

Page 3: ...acoustic instrument preamp designed to provide you with complete control over your tone on stage While the AC Driver is designed to be easy to use we recommend taking a few minutes to review this short manual to familiarize yourself with the various features available Should you find yourself with any questions not answered within this user guide please visit www radialeng com for a list of freque...

Page 4: ...ypasses the notch filter or selects between a normal or extra deep notch Works in conjunction with the notch frequency control 5 180 Phase Reverse Used to reduce on stage feedback by reversing the polarity of the XLR output 6 Low Cut Variable filter rolls off excessive low frequencies and controls bass resonance 7 Output post eq output used to feed an on stage amplifier 8 Mute Switch and LED Foots...

Page 5: ...switch disconnects pin 1 at the XLR output to remove buzz and hum 12 9VDC Connection for 9 12 volt DC center pin negative power supply 13 14 Gauge Steel I Beam construction prevents the circuit board from being torqued which could lead to part failure 14 Connectors Glass filled nylon XLR connector with large nickel silver pin contacts Tougher than steel 15 CIRCUIT BOARD Double sided military spec ...

Page 6: ...rom on stage making it ideal for solo performances where you may not have the luxury of a sound engineer Additionally you can use the notch and 180 controls to help eliminate feedback that can be all too common with amplified acoustic instruments and a mute footswitch gives you the ability to silently tune on stage or switch between instruments without noise Combine all that with the durability of...

Page 7: ...e pedal is ready to use The AC Driver uses a typical 9V Boss style power supply not included and requires a minimum of 40mA of current with a center pin negative connector Plug your guitar into the AC Driver IN PUT using a standard coaxial gui tar cable and connect the OUTPUT to your stage amp if using The XLR output of the AC Driver is a balanced line designed to feed the line level input of a mi...

Page 8: ... amp Slowly turn up the level on the AC Driver from its minimum setting until you reach the desired level through the PA system after which you can make minor adjustments on your stage amp until you have the desired balance between it and the PA Should you need to make adjustments during the performance keep in mind that the level control on the AC Driver will affect both the PA and your stage amp...

Page 9: ...gnal As you turn the dial clockwise it will begin to roll off low end frequencies up to around 300Hz 15 10 5 0 5 10 20 20k 50 100 200 500 1k 2k 5k 10k Hz Start by setting the filter control completely counter clockwise Slowly turn it clockwise until you notice the bass roll off then turn back a bit and you are set The filter position is usually set in proportion to the size of the instrument where...

Page 10: ...k on stage the 180 polarity reverse switch and the Notch Filter As you bring up the level of an acoustic instrument on stage sound waves from the PA monitors and wall boundaries can combine at certain frequencies to create hot spots known as room modes which can cause feedback The 180 polarity reverse comes to the rescue by enabling you to reverse the electrical phase which in turn can move the ro...

Page 11: ...st noticeable effect when reducing feedback Slowly sweep the Notch control back and forth to try the notch filter at different frequen cies When you ve found the position that is best at removing feedback switch to the NORMAL setting to see if it also eliminates the feedback without removing as much frequency content from your instrument TUNING CHANGING INSTRUMENTS The Mute footswitch on the AC Dr...

Page 12: ...put Impedance 10MΩ Output Impedance 4 4kΩ Ground Lift XLR Output Low Cut Frequency Range 10Hz 300Hz Notch Frequency Range 60Hz 500Hz Power 40mA 9VDC center pin negative Construction 14 gauge steel chassis outer shell Size LxWxD 4 75 x 3 75 x 1 75 120 x 95 x 44mm Weight 1 4lbs 635 grams Warranty Radial 3 year transferable Subject to change without notice ...

Page 13: ...Radial Engineering Ltd AC Driver User Guide 11 Subject to change without notice BLOCK DIAGRAM ...

Page 14: ...Radial Engineering Ltd AC Driver User Guide 12 NOTES ...

Page 15: ...Radial Engineering Ltd AC Driver User Guide 13 NOTES ...

Page 16: ...d you must assume the risk of loss or damage A copy of the original invoice showing date of purchase and the dealer name must accompany any request for work to be performed under this limited and transferable warranty This warranty shall not apply if the product has been damaged due to abuse misuse misapplication accident or as a result of service or modification by any other than an authorized Ra...

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