30
Appendix F
Specifications
Digital Input Section (32KHz, 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz):
Main digital input board:
Inputs:
6: 3 coaxial (2 RCA and 1 BNC), 1 AES/EBU (XLR), 2 optical (1 TosLink, 1 open for optional
AT&T).
Analog Input Section:
Inputs:
1 stereo pair on single-ended RCA jacks, 1 stereo pair on balanced XLR jacks.
Maximum Input Level:
Single-Ended: DC to 10VRMS.
Balanced: DC to 20VRMS
Input Impedance:
10 K
Ω
.
Frequency response:
DC - 20KHz, +-.2dB
THD+Noise:
<0.0005% @3VRMS in and out, balanced.
Dynamic Range:
124dB ref 18VRMS Bal
Signal to Noise Ratio:
124dB ref 18VRMS Bal
Processing (DSP) Section:
All DSP processing is 24bit with 56 bit accumulator.
Analog Audio Outputs:
2 balanced XLR (L/R) and 2 Single-Ended RCA jacks.
Balanced Output Specifications:
Output Impedance:
25 Ohms.
Maximum Output Level: 18 Vrms balanced (6.4VRMS balanced if Fixed Volume option installed).
Frequency Response:
20 Hz-20 kHz,
±
0.01 dB, Ref. 1KHz.
THD+Noise:
Less than 0.0007% (Digital), 0.0005% (Analog) @ 1KHz, at 3V output level.
Dynamic Range:
>120dB minimum, 20KHz bandwidth, Ref. 1KHZ, A-weighted.
Signal to Noise Ratio:
>120dB typical, idle channel, A-weighted.
Crosstalk: >140dB.
Single-Ended Output Specifications:
Output Impedance:
12 Ohms
Maximum Output Level:
9 Vrms (3.2 VRMS if Fixed Volume option installed).
Frequency Response:
20 Hz-20 kHz,
±
0.01 dB, Ref. 1KHz.
THD+Noise: Less than 0.0015% (Digital and Analog) @ 1KHz, at 3V output level.
Dynamic Range:
>115dB minimum, 20KHz bandwidth, Ref. 1KHZ, A-weighted.
Signal to Noise Ratio:
>115 typical, idle channel, A-weighted.
Crosstalk: >130dB.
D/A Conversion:
24-bit Ladder (8x oversampling). 2 DACs per channel for true differential operation.
Volume Control:
Theta proprietary switched resistor network in the analog domain.
Digital Filter:
8x oversampling Theta proprietary FIR filter running on Motorola 56362 DSP.
Control Section:
-RS232:
Complete ability to control and read status of every operational parameter of unit.
-IR Receiver:
3.5mm stereo phone jack (rear panel), unmodulated.
-IR Receiver:
Front panel IR window for hand-held remote control.
-Remote Trigger:
One 3.5mm mono phone jack: +12VDC triggered (Can be set to Pulse or Continuous DC), pulse time
variable from 50 to 250 mSec. Trigger jack can be set as an input (receiver) or output (transmitter).
-External Volume Data: Receives digital volume information from Theta Casablanca.
* * *
Power Requirements:
117 VAC, 50-60 Hz, 50 watts maximum, with all options installed.
Fuse @ 100 & 110V = 630mA, Fuse @ 220V = 3/8A.
Содержание Generation VIII Series 3
Страница 1: ...THETA DIGITAL Generation VIII Series 3 Owner s Manual V 2 00 Digital Done Right...
Страница 11: ...4 Generation VIII Block Diagram Figure 1 Generation VIII Block Diagram...
Страница 25: ...18 APPENDIXES...
Страница 28: ...21 Figure 22 Example of Connections to from a Casablanca II III Digital Out Card...
