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OWNERS MANUAL
PRODUCT DESCRIPTION
– The Shenandoah™ Acoustic Pro is a two channel – 4 input, professional
200 watt acoustic instrument amplifi er with two blendable preamps per channel—FET and 12AX7 Tube. This
compact, light-weight combo also features two digital effects processors – one for each channel. The powerful
output of the amp is handled by its advanced 300 watt, 12" Neodymium loudspeaker, providing full-bodied,
effi cient, articulate acoustic output.
Each channel of the preamp is equipped with both a ¼" unbalanced line input and an XLR balanced microphone
input (with Phantom power). The two inputs on each channel are summed (mixed) together at a 1:1 ratio. Each
channel then passes through independent 3 band equalizers with a sweepable midrange frequency band. This
powerful equalizer circuitry was developed specifi cally for use with acoustic instruments and offers maximum
fl exibility in tone shaping and feedback control. A Phase Switch is also provided to enhance the acoustic fl exibility
and response.
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Summary of Contents for Genz Benz Shen Pro
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Page 1: Owners Manual
200 watt acoustic instrument amplifi er with two blendable preamps per channel—FET and 12AX7 Tube. This compact, light-weight combo also features two digital effects processors – one for each channel. The powerful output of the amp is handled by its advanced 300 watt, 12” Neodymium loudspeaker, providing full-bodied, effi cient, articulate acoustic output. -
Page 2: Front Panel
PHANTOM POWER – An internal phantom power source (13.6 volts) is provided for use with condenser mics. This power source is on at all times and does not affect the standard operation of the amp, even when a condenser mic is not used. -
Page 3: Program Description
COMBINING XLR & ¼” INPUTS – A unique feature of the Shenandoah™ Acoustic Pro is the ability to mix the XLR balanced and ¼” unbalanced inputs on each channel. In many situations, this effectively makes the amplifi er function as a 4-channel amplifi er. The most effective way to use this feature is to set the volume on the channel using the XLR microphone input and then adjusting the level control on the instrument itself (assuming that it has one) to blend levels between the two inputs. -
Page 4: Back Panel
8 ohm 12” speaker is plugged in from the factory. With the Mode switch in the Dual position only, the Dual speaker jacks are active. It is possible to drive external speakers with the amp A output and the internal speaker with the amp B output when using the Dual mode position. - Page 5 A switch is provided so that the fan can be turned off for those times when using the amp for low power use in quiet environments (example: bedroom practice, studio recording, quiet church performances). The fan should be in the normal “ON” position for any use other than the most quiet.
- Page 6 · By use of this device, the user agrees to hold Genz Benz and its designers, sales agents and all other affi liates and related parties harmless in the event of any accident, injury, damage or loss resulting from such use.
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Page 7: Engineering Specifications
¼” Unbalanced aux. input impedance: ¼” Unbalanced aux. input sensitivity: Phantom power (XLR Inputs) AMPLIFIER OUTPUT (each channel) Power at 8 ohm load: THD + N (preamp): THD + N (power amp): Frequency response: CHANNEL EQUALIZATION Low frequency: Mid frequency (sweep): High frequency:... -
Page 8: Declaration Of Conformity
Manufacturer’s Name: Genz Benz, a division of Kaman Music Manufacturer’s Address: 7811 East Pierce Street Scottsdale, AZ 85257, U.S.A. Product Type: Audio Amplifi er Model Number: Shenandoah™ Acoustic Pro Operating Power Condition: 115/230V 50/60Hz Effective Date: 01-01-2006 Conforms to the Following Standards:...