Appendix Iv: Ad-8000 Specifications; Revision History - Apogee AD-8000 Operating Manual

Appendix IV: AD-8000 Specifications

ANALOG AND A/D CONVERTER
Parameter
Resolution
Sample Rate
Input Impedance
Pro
Consumer
Relative THD+N
–0.1 dBFS
–20 dBFS
–60 dBFS
Dynamic range
–60 dB
–60 dB, A-weighted
Peak Spurious Component
Group Delay (in passband)
Passband Ripple
Digital Filter Stopband
Stop-band Attenuation
Channel Separation
Left/right
Between pairs
Frequency Response (20 Hz–20 kHz)
Gain
Phase
Common-Mode Rejection Ratio
60 Hz
1 kHz
Input Level, Maximum (No Gain)
Professional, balanced
Professional, unbalanced
Consumer, balanced
Consumer, unbalanced
Input Level, Adjustment Range
Crystal Oscillator Accuracy
Clock Jitter, 32kHz–54 kHz
Note: These specifications are
subject to change without notice.
Version 1.0, July 24, 1997 – Initial release version: for distribution.
Version 1.1, August 29, 1997 – Reference to DIP switch corrected on p11 ("Connections"). Minor revisions to
diagram on p31 (NTSC generator with DA-88). Release version for distribution.
Version 1.2b, October 7, 1997 – Corrections to reflect firmware revisions 0.55-1.02. Discussion of Autosync and
power-up version display added.
Version 1.3, December 1997 – Corrections and additions to reflect firmware revisions to 1.15. Changes from
previous firmware revisions is available on the Apogee Web Site.
Version 1.4, November 1998 – Corrections and additions to meet CE requirements. Some additional informa-
tion included.
AD-8000 Operating Manual
Value Units
24 bits
32–54 kHz
9K
15K
–108 dB
–110.5 dB (A-weighted)
–88 dB
–91 dB (A-weighted)
–52 dB
–54 dB (A-weighted)
112 dB
114 dB
–120 dB (Max)
38.7/Fs seconds
±0.001 dB
26.232 kHz
110 dB
113 dB (Worst Case)
113 dB (Worst Case)
±0.025 dB
<2 Degrees
> 100 dB
> 80 dB
27 dBu
23 dBu
16 dBu
15 dBu
20 dBu
±25 ppm
<< 50 psec
Public Revision History
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HEADPHONE D/A AND AMPLIFIER
Resolution
Sample Rate
Relative THD+N, S/(N+D)
–0.5 dBFS input
Dynamic range
–60 dB
–60 dB, A-weighted (EIAJ), typ –96
Group Delay (in passband)
Passband Ripple
Stop-Band Attenuation
Channel Separation
DAC
Amplifier
Frequency Response (20Hz–20 kHz)
Gain
Phase
Output Level (max)
Output Power (max)
8 load
150 load
600 load
DIGITAL SIGNAL PROCESSOR
Processing Delay
DC High-Pass Filter Corner Freq.
UV22 Amplitude
Normal, 16 bits
Low, 16 bits
Normal, 20 bits
Low, 20 bits
Metering
Accuracy
Over Detection
SYSTEM
AC line voltage 100, 120, 220, 240 vac
Fusing
Power
Size (w, h, d)
Weight
18 bits
32–54 kHz
–88 dB
–94.6 dB
dB
22.25/Fs sec
±0.17 dB
35 dB
97 dB
65 dB
±0.05 dB
< 2.5 degrees
8 Vp-p
1 W/channel
50 mW/channel
20 mW/channel
16/Fs Seconds
1.0 Hz
–84 dB
–90 dB
–108 dB
–114 dB
± 0.05 dB
1–4 consecutive
0 dBFS readings
(User-definable)
(set internally)
1 A slow-blow U.S.A.
60 Watts
19 in, 3.5 in (2U), 14.25 in
20 lb (9.1 kg)