Grace Design Felix2 Preamp Review

Acoustic Review checks out the latest offering from Grace Design, the Felix2 Preamp. Check out what Ben thought of this hi-tech big ticket purchase.

Specifications

GAIN RANGE (Input to DI Output, line level out)
CH1 MIC Low Gian: 17-62dB
High gain: 22-63dB
CH1 Inst Low Gain: 3-48dB
High Gain: 17-62dB
CH2 Inst -1-37dB
Boost 0-9dB
THD+N 1kHz, 22Hz-22kHz BW (MIC Input to DI Output, line level out)
@ 20dB Gain +10dBu out <0.015%
@ 40dB Gain +10dBu out <0.015%
@ 60dB Gain +10dBu out <0.020%
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
50Ω source <-128dB
CMRR MIC @60dB Gain
60Hz >55dB
1kHz >75dB
10kHz >80dB
FREQUENCY RESPONSE (Input to DI Output)
Mic input @ 40dB Gain -3dB 20Hz – 65kHz
Inst input @ 20dB Gain -3dB 20Hz – 65kHz
I/O IMPEDANCE
CH1 MIC Input 8.1kΩ
CH1 Inst Input HI: 10MegΩ
MED: 1MegΩ
LOW: 10kΩ
CH2 Inst Input HI: 20MegΩ
MED: 1MegΩ
LOW: 332kΩ
Insert Input 10kΩ
DI Outputs 150Ω
Tuner, Headphone and Insert Outputs 150Ω
Amp out Tip 150Ω
Amp out Ring 150Ω
SIGNAL / PEAK LED METER
Green threshold -10dBu
Red threshold +10dBu
MAXIMUM INPUT LEVEL
CH1 MIC (low gain mode) +4dBu
CH1 MIC (high gain mode) -1dBu
CH1 Inst Low Gain: +18dBu
High Gain: 4dBu
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>4.0
EQ
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 Low Range: 1kHz Shelving
High Range: 2kHz Shelving
OUTPUT NOISE 22Hz-22kHz BW @ MIN Gain
CH1 MIC Input (50 ohms) to DI Output < -90dBu
CH1 Inst Input to DI Output < -89dBu
CH2 Inst Input to DI Output <-98dBu
 
POWER CONSUMPTION
100-240VAC 50/60Hz 10 Watts Max
WEIGHT and DIMENSIONS
3.2lbs H3.0” x W9.5” x D5.5”

RRP is £1,125.00 in the UK

www.gracedesign.com