DAC Pre-Amplifier
Starting at MSRP of $13,500.00 USD
Info |
Specs |
Manual (PDF)
Software
Generation VIII Series 2 Software Updates
Gallery
Backplate Drawing
(click image to zoom)
Digital Input Section (32KHz, 44.1KHz, 48KHz, 88.2KHz, 96KHz)
|
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. |
Input Impedance | 10 KW. |
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. |
Miscellaneous
Power Requirements | 117 VAC, 50-60 Hz, 50 watts maximum, with all options installed. Fuse @ 100 & 110V = 630mA, Fuse @ 220V = 3/8A. |
Dimensions | 17 5/8" W x 5" H x 17 3/4" D (448 x 127 x 451 mm) |
Weight | 29 Lbs (10.8 Kg) Stand alone, 35 Lbs (13.1 Kg) Boxed with accessories |
Environment |
Operating Temperature: 32° to 95° F (0° to 35° C) |
Remote Control | 1 hand-held, battery powered control unit uses 2 AAA batteries. |
Specifications subject to change without prior notice.