Grace Design Felix
The Grace Design Felix is a Studio Quality 2 Channel Instrument & Mic Preamplifier / DI / EQ.
FELiX is our new, studio quality 2 channel blending acoustic instrument and mic preamp, designed for working musicians, engineers, sound companies or venues looking for the highest quality solution for amplifying stringed instruments. FELiX is built into a roadworthy (beer-resistant) floor unit chassis of anodized aluminum and steel, portable enough to leave the rack at home but bring studio quality to the stage. With the same stunning audio performance and legendary reliability as Grace Design's pro audio range, FELiX brings open, musical and nuanced preamplification to any performance situation.
A powerful eq section allows simple and intuitive tone shaping for even the most unruly of instruments. Each channel's variable high pass filter cuts 12dB per octave from 20Hz to 1kHz, and can also be set as a notch filter for chasing down problem feedback or rumble areas. Parametric mid range controls cover from 70Hz all the way to 8KHz. While fixed low and high controls are carefully voiced for musical shading of bass and treble.
Controls are simple and clearly marked on a bright panel, making them easy to read and tweak on a dark stage. Footswitch functions include a mute / tune switch for muting all outputs except the dedicated tuner out, a boost switch which activates a variable boost circuit, and finally, an A/B mode switch for when FELiX is in A/B mode (which simply toggles between the two different channels).
FELiX brings the kitchen sink approach to I/O. Inputs include a 48V XLR mic input and two instrument inputs. Two independent transformer isolated DI outputs can be sourced from either the mix or the individual channel. This allows you to send the front of house a mix or each channel independently. A dedicated, level controlled amplifier output can be sourced from the mix or channel 2. A dedicated tuner output stays active when all the other outputs are muted. A side panel mounted 1/8" mini jack headphone amplifier is there for practicing, private noodling during boring soundchecks, or scrutinizing dubious eq decisions. A TRS insert is included for adding effects, and finally, a remote footswitch jack is included if FELiX is going to spend his life in a rack or up off the floor.
Guitar, bass, fiddle, mandolin, cello, dare we say banjo, that weird 3 string gourd thing - FELiX is your instrument's new best friend. Flexible, reliable, a good listener and eager to make you sound better, he is also your new best friend.
Open, musical and detailed instrument and mic preamplification for discerning artists and engineers2 channel audio path with blend output controlm101 style transimpedance microphone preamplifier, no electrolytic capacitors in the signal pathUltra precision 0.5% thin film resistors are used in the signal pathCareful power supply design and grounding yield an ultra-quiet signal path and professional level headroom and line driving abilityFully ground isolated DI outputs with high quality, low distortion, fully shielded transformersSuper rugged 1/4" connectors with heavy duty metal bushingsPowerful, independent EQ on both channels - hi and low shelving and full parametric midrangeMid frequency control has two ranges 70-880Hz / 670 - 8kHz20Hz-1kHz sweepable HPF on both channels, can also be set as notch filterA / B footswitch for multiple instrument configurations or soloing different pickupsMute/ tune footswitch mutes all outputs except dedicated tuner outBoost footswitch for variable 10dB level boost (global)DI outputs sources are configurable - Ch1 (mix or Ch1) Ch2 (mix or Ch2)Dedicated level controlled stage amp output (configurable as blend or Ch2)Dedicated tuner out, remains hot when unit is mutedSide panel switches for 48V, phase, mid Hz range select, HPF/notch select, 12V and A/B mode select12V mic input power available on Ch2Phase reverse switch for each channel3 input impedance settings on each channel - Ch1 10K, 1MEG, 10MEG / Ch2 332K, 1MEG, 20MEG accommodating a wide range of pickup typesAux footswitch jack for accessing switch functions if FELiX is mounted in a rack tray or on top of an ampMic stand flange mount screw holes holes for putting FELiX on a mic stand1/8" headphone jack, active when FELiX is mutedGlobal TRS effects insert jackUniversal 100-240 AC power supply with standard IEC cable - no wall wart - take FELiX anywhere in the world!
GAIN RANGE (Input to DI Output)
CH1 Mic input : 21-62dB
CH1 Instument input : Low Gain: 3-44dB, High Gain: 21-62dB
CH2 Instument input : -1.5-36.5dB, Boost : 0-9dB
THD+N 1kHz, 22Hz-22kHz BW (MIC Input to DI Output)
@ 20dB Gain +10dBu out : <0.0045%
@ 40dB Gain +10dBu out : <0.0050%
@ 60dB Gain +10dBu out : <0.010%
INTERMODULATION DISTORTION - SMPTE/DIN 4:1 7kHz/50Hz (MIC Input to DI Output)
@ 40dB Gain +10dBu out : <0.05%
NOISE - REFERRED TO INPUT CH1 MIC @60dB Gain 22Hz-22kHz BW
50 source : <-128dB
CMRR @60dB Gain
100Hz : >55dB
1kHz : >75dB
10kHz : >75dB
FREQUENCY RESPONSE (Input to DI Output)
Mic input @ 40dB Gain -3dB : 20Hz - 65kHz
Inst input @ 20dB Gain -3dB : 20Hz - 65kHz
CH1 MIC Input : 8.1k
CH1 Inst Input : HI: 10Meg, MED: 1Meg, LOW: 10k
CH2 Inst Input : HI: 20Meg, MED: 1Meg, LOW: 332k
Insert Input : 10k
DI Outputs : 150
Amp, Tuner, Headphone and Insert Outputs : 150
SIGNAL / PEAK LED METER
Green threshold : -10dBu
Red threshold : +10dBu
MAXIMUM INPUT LEVEL
CH1 MIC : 0dBu
CH1 Inst : Low Gain: +21dBu, High Gain: 0dBu
CH2 Inst : +20.5dBu
MAXIMUM OUTPUT LEVEL - 100k Ohm load, 0.1% THD
DI Outputs : Line: +20dBu, Mic: -6dBu
Amp, Tuner, Headphone and Insert Outputs : +22dBu
High Pass Filter / Notch Filter
High Pass Filter : 20Hz - 1kHz @ -12dB/octave
Notch Filter : 20Hz - 1kHz, >-35dB, Q>1.0
Gain : +/- 12dB
Low Frequency : Low Range: 125Hz Shelving, High Range: 250Hz Shelving
Mid Frequency : Low Range: 70Hz - 880Hz, High Range: 670Hz - 8kHz
Mid Frequency Q : 0.5 - 5
High Frequency : 2kHz Shelving
OUTPUT NOISE 22Hz-22kHz BW @ MIN Gain
CH1 MIC Input (50 ohms) to DI Output : <-88dBu
CH1 Inst Input to DI Output : <-88dBu
CH2 Inst Input to DI Output : <-98dBu
MUTE (TIP) : Momentary - Normally Open - Switch to GND < 10
BOOST / TOGGLE (RING) : Momentary - Normally Open - Switch to GND < 10
100-240VAC 50/60Hz : 10 Watts Max
WEIGHT and DIMENSIONS
3.2lbs : H3.0" x W9.5" x D5.5"
September 2, 2019
The Felix is all that and a bag of chips. It has an amazingly detailed pre-amp and and the eq sounds beautiful. I love the attention to detail that Grace has put into this product; it was designed by musicians...for musicians. 5 stars.
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