Alto Professional MIXPACK - Manual (Page 27)

27
TECHNICAL SPECIFICATIONS
MIXER SECTION:
FREQUENCY RESPONSE: 10 Hz – 55 KHz (+ 3 dB)
IMPEDANCE: 1.4 K Ω (mic input)
2.5 K Ω (channel insert return)
> 10 K Ω (all other inputs)
1 K Ω (tape out)
120 Ω (all other outputs)
SNR: > 94 dB
THD+N: 0.04% at +4 dBu, 1 KHz (mic, line, and stereo input channels)
GAIN: 35 dB (mic input)
15 dB (line input)
EQUALIZATION: High shelving: + 15 dB @ 12 KHz
Mid-bell: + 15 dB @ 2.5 KHz
Low shelving: + 15 dB @ 80 Hz
DSP SECTION: 24-bit A/D and D/A converters
24-bit DSP resolution
Effects (16 presets): Reverbs (Hall, Room, Vocal, Plate), Stereo Delay,
Reverb + Delay, Reverb + Chorus
Controls: 16-position selector, clip LED, mute switch with LED indicator
NOISE (bus noise): Fader 0 dB, channels muted: -85dB (ref:+4dBu)
Fader 0 dB, all input channels set to Unity gain: -81dBr (ref:+4dBu)
MAX OUTPUT:
Balanced outputs: 27dBu
Aux sends: 22dBu
SPEAKER SECTION:
SYSTEM
TYPE: 3-way powered system bi-amp plus passive crossover into satellite
FREQUENCY RESPONSE:
55 Hz – 20 KHz at -10 dB
SPHERICAL HORN COVERAGE: 80° H x 80° V
POWER: Low Output: 150 W RMS Class AB
Mid-High Output: 75 W + 75 W RMS Class AB
Peak: 600 W Peak
MAX SPL @ 1m: 116.5 dB Continuous, 119.5 Peak (calculated)
SPEAKER SPECIFICATION: 12" (318mm) low-frequency driver; 2" (51mm) voice coil;
2 x 6.5" (165mm) mid-frequency driver; 1" (25mm) voice coil
1" (25mm) high-frequency compression driver; 1" (25mm) voice coil
CROSSOVER FREQUENCIES: Active: 125 Hz at 12 dB/Oct.
Passive: 3 KHz at 12 dB/Oct. with Electronic Dynamic Protections
AMPLIFIER SECTION:
IMPEDANCE: Low: 4 Ω
Mid/High: 8 Ω
PROTECTIONS: Soft start, short circuit, DC output voltage, thermal,
subsonic filter (30 Hz), 24 dB/Oct., limiter/compressor
DIMENSIONS (W x D x H):
41.2" x 27.6" x 27.6" (1060mm x 700mm x 700mm) (compact)
WEIGHT:
94.8 lbs (43 kg)
Inrush current at initial switch-on: 6.85A
Inrush current after power supply interruption: 8.64A
* Specifications are subject to change without notice.