Alesis LRP4 Service Manual

FEATURES
Compatible with iPod Classics, 5th-Generation iPods, 2nd- and 3rd –Generation
iPod nanos, and iPod nano-chromatics *
44.1kHz, 16-bit Recording Capability
2 Built-In Condenser Microphones for Stereo Recording
2 Combo Mic / Line Inputs – Connect 1 stereo or 2 mono sound sources such as XLR or 1/4" microphones and other line sources
Analog Input Limiter – Prevents hard digital "clipping" of the recorded signal in your iPod
Direct Monitoring – Monitor your recording with zero latency
Headphone output with dedicated volume control
Switchable 48V Phantom Power for Microphones
External Power Supply (AC Adapter) or Battery Power (4 AAA)
TECHNICAL SPECIFICATIONS
ANALOG INPUTS
Gain
THD+N
DIGITAL CIRCUITRY
Bit Depth
Sample Rates
MAIN OUTPUTS
Max Level
THD+N
HEADPHONE OUTPUTS
Max Level
BATTERY LIFE
Without phantom power
Using phantom power
EXTERNAL BATTERY PACK REQUIREMENTS *
SERVICE MANUAL
SPECIFICATIONS
Internal Mic Inputs:
External Inputs (XLR):
External Inputs (1/4"):
2nd & 3rd Gen. iPod nano:
5th Gen. iPod / iPod Classic:
16-bit
44.1kHz (high); 22.05kHz (low)
+0.3dBu Maximum
< 0.01% @ 1kHz
75 output impedance, 40mW into 32
> 3 hours
> 2 hours
6V DC 1A
2mm diameter (center pin); 5.5mm outside diameter
Wired as center positive
MODEL: LRP4
+6dB to 49.3dB
+6dB to 49.3dB
-11.3dB to +32dB
0.01% @ 92dB SNR A-weighted (charge off, min. gain)
0.014% @ 88dB SNR A-weighted (charge off, min. gain)