Specifications
69
Specifications
Audio
DAC Resolution:
16 bits
Deviation from Linear phase:
+/-0.5dB
Total Harmonic Distortion:
0.003%
Dynamic Range (A-weighted):
94dB
Inter-channel Isolation:
90dB
Inter-channel Gain Mismatch:
0.1dB
Frequency Response:
10 to 20 Khz +/- 0.1 dB
Maximum Phase Non-Linearity:
5 degrees
Line Out Level:
Unbalanced, 2V P-P max into 20K
Balanced Output (optional)
+4dBu
Amplifier Output (optional)
20WRMS x 2 8ohms each (@10% THD)
Playback Time
Approximately 16minutes MP3 128Mbps audio from included 16Mbyte Compact Flash card.
(based on 128Mbps encoding, which requires about 1Mbyte storage per minute of audio)
Trigger Response Time
Less than 33 msec.
Power
12 VDC to 25.0 VDC at 2 Amp max with installed Compact Flash Card.
Connector: 2.5 mm I. D., 5.5 mm O. D., 10 mm shaft length.
Adapter for 100/250 Volts 50/60 Hz provided (CE, UL, CSA)
Switches and Indicators
Front panel test button.
Front panel bi-color LED.
Rear panel DIP switch for ground lift, input type, write protect, and GPS mode.
Rear panel volume control
Connectors
Rear Panel DB-9M serial I/O connector.
Rear Panel DB-37F parallel and serial I/O connector.
Rear Panel RCA type Phono connectors, left and right audio.
Rear Panel Barrel connector (2.5 mm x 5.5 mm x 10 mm) for power.
Optional:
Rear Panel Screw Terminal Speaker Connectors (20Watts/8ohms)
Rear Panel XLR-1/4 inch Combo Connectors for Balanced Audio
Rear Panel RCA connector for S/PDIF Digital Audio
Rear Panel RJ45 jack for Ethernet connection
Ethernet (optional)
10/100BaseT
FTP, ARP, UDP protocols
Physical
9.3339” x 7.0000” x 1.7190” (DxWxH)
4 lbs
0
o
C (32
o
F) to 38
o
C (100
o
F), free air circulation.
0-90% relative humidity, non-condensing
20 g max Vibration (with removable Compact Flash Card)
Part Numbers
AM-4 Digital Audio Machine with 100/250Volts 50/60 Hz, 3A switcher , Part Number 230-100978.00
Flush Mounting Bracket Kit, Part Number 320-100375
Rack Mounting Bracket Kit, 1 Unit, Part Number 302-100703
Rack Mounting Bracket Kit, 2 Unit, Part Number 302-100704
Mating Connector and Housing for DB-37F, Solder Cup, Part Number 320-100376
Compact Flash Card Media – contact factory
Summary of Contents for AM-4
Page 1: ...AM 4 Digital Audio Machine Hardware and Software Reference Manual ...
Page 2: ...ii Welcome PLACE HOLDER FOR THE BACK OF THE FRONT COVER DO NOT PRINT ...
Page 3: ...Welcome iii Digital Audio Machine User s Guide Alcorn McBride Inc ...
Page 6: ......
Page 10: ...4 Quick Start Guide ...
Page 32: ...26 Controlling the AM 4 ...
Page 58: ...52 GPS Operation GPS Operation ...
Page 70: ...64 Troubleshooting Guide FAQ ...
Page 71: ...Mechanical Information 65 Mechanical Information Mechanical Dimensions Surface Mounting ...
Page 74: ...68 Mechanical Information Rack Mount Kit 2 Unit Part Number 302 100704 ...