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Instructions Genz-Benz, Modèle SHENANDOAH COMPAK 300

Fabricant : Genz-Benz
Taille : 3.57 mb
Nom Fichier : SHENCOMPAK300.pdf
Langue d'enseignement: en
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Facilité d'utilisation


Each model produces 175 watts as a combo and 300 watts with an 8 ohm extension cabinet. The amplifier is configured as a 2 channel – 3 input platform and each channel is equipped with a .” unbalanced line input. Channel 2 offers an XLR balanced microphone input (with phantom power) as well. The 2 inputs on Channel 2 are summed (mixed) together at a 1:1 ratio, so they can be used simultaneously. Each channel then passes through independent 3 band equalizers with a sweepable midrange frequency. Equalization centers were carefully selected for use with acoustic instruments. Each channel also contains individual send controls to the on-board 24-bit 15 program digital effects circuit. The back panel contains 3 direct outputs with ground lift switch, an effects loop, auxiliary input, headphone jack, effects cancel jack, and 2-1/4” speaker jacks. FRONT PANEL INPUTS – The Shenandoah® Compak 300 is equipped with 2 types of input jacks. The .” input is unbalanced and “line level” with a usable sensitivity from 100 mV to 1.6 volt. The input impedance is 270 k ohms. The .” input will also accept most active balanced line sources, automatically unbalancing them by recognizing the tip portion of the balanced signal. If an instrument offers an unbalanced output it should be connected to the unbalanced input of the Shenandoah® amp. Additionally, the precision input scaling preamp contains a 45 Hz, 12dB/octave high pass filter (more effective and less intrusive than the more common 6 dB filters) and an “RFI” filter (radio frequency interference) to eliminate unwanted noise. The XLR input jack is balanced and “microphone level”, with a usable sensitivity from -60dBv to -30 dBv. It is not a line level input. It contains a precision full range differential microphone preamp with phantom power. For use with higher-level sources (such as the balanced line level output from a keyboard or other instruments), a balanced pad network will be necessary to use the balanced input. For instance, a Rapco, “Pad Blox”, -20 or -30 pad or similar product could be used. COMBINING XLR & .” INPUTS – A unique feature of the Shenandoah® Compak 300 is the ability to mix the XLR balanced and .” unbalanced inputs. In many situations, this effectively makes the amplifier function as a 3 channel amplifier. The most effective way to use this feature is to set the volume on the channel using the XLR microphone input and then adjust the level control on the instrument itself (assuming that it has one) to blend levels between the 2 inputs. Equalization will be common to both inputs on the channel. INPUT O/L LED –This red O/L LED senses the input signal to the preamp section and warns of input overload. For the cleanest signal possible, this LED should only flash with the strongest signal peaks. Adjust this sensitivity with the volume control of your instrument and the Shenandoah® Compak 300’s channel volume. Adjust the final overall volume with the amps master volume. PHASE SWITCH – Each channel is provided with a phase reverse switch. By reversing the phase of the input signal, feedback tendencies can be reduced if caused by sympathetic vibrations between the speaker and the instrument. Under some conditions, changing the phase can drastically improve the acoustic output from the amplifier and can improve the playability of some instruments. ON-BOARD STUDIO QUALITY DIGITAL EFFECTS – The Shenandoah® Compak 300 contains a studio quality 24-bit, 15 program digital effects processor. Using pro audio industry digital processing hardware, we have achieved realistic, high quality effects algorithms. Level differences are normal when switching between different effects; just adjust the channel send and master level controls accordingly. The effects level control on each channel adjusts the send level to the digital effects processor. The digital effects level in the master section controls the effects return level from the processor. In general, turning up the channel effects send will yield more lush effects. NAMEDESCRIPTION Hall 1 Bright hall reverb Hall 2 Warm hall reverb Room 1 Hardwood studio reverb Room 2 Ambient room reverb Room 3 Warm room reverb for guitars and rhythm instruments Plate 1 Classic plate reverb for lead vocals and instruments Plate 2 Sizzling bright plate reverb for vocals Plate 3 Short “vintage” plate reverb ChorusChorus (Tonal variations in pitch and volume) FlangeFlanger for jet wash effects Delay 1 125ms slapjack delay Delay 2 190ms slapjack delay Chorus/PlateChorus with reverb plate Chorus/RoomAuto-wah guitar effect with reverb BypassNoeffectPitch Shift Rotary Rotary speaker emulation ACTIVE EQUALIZATION –The Shenandoah® Compak 300 offers a 3 band (with sweepable mid) active equalizer for each channel. These equalizer networks, similar to those found on professional sound consoles, are very useful tools when used correctly. LOW FREQUENCY EQ The corner frequency of the low frequency section is 125 Hz, shelving curve. This frequency is p...


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