Inputs (main digital input board)

10: 6 coaxial (RCA), 4 optical (2 TosLink, 2 open for optional AT&T).

Outputs (main digital input board)

2 digital tape out coaxial on RCA jacks.

Inputs (auxiliary digital input board)

3: 1 AES / EBU (XLR), 1 BNC, 1 TosLink

Outputs (auxiliary digital input board)

Volume Data

Inputs

6 stereo pair on RCA jacks.

Input Level

200 mV rms minimum, 22v rms maximum.

Input Impedance

10 KW.

Outputs

2 stereo pair on RCA jacks for analog tape out.

Tape Output Impedance

36.5 ohms

A / D Conversion

20-bit Delta-Sigma at 48KHz; separate delta-sigma modulator and high performance decimating digital filter.

Frequency response

±0.2dB 20Hz - 20KHz

THD+Noise

0.0025%

Dynamic Range

104dB

Signal to Noise Ratio

104dB

Input volume control

Theta proprietary switched resistor network in the analog domain.

Automatic DC canceling circuit.

All DSP processing is 24bit with 56 bit accumulator. Some processes, such as low pass crossovers, are 48bit with 56 bit results.

Channels Supported

Left, Right, Center, Left Surround, Right Surround, Center Surround, Left Front Sub, Right Front Sub, Left Surround Sub, Right surround Sub, Center Sub, Left Side, Right Side.

Modes

Matrix, Special Matrix, Dolby Pro Logic, Dolby Digital, DTS, Stereo, Mono, Analog Direct, Analog Matrix, Circle Surround (optional).

Post Processes (applied in addition to selected mode)

Stereo Front / Rear, Party, Center Spread.

EQ

Four levels of high frequency roll-off (shelf-type) to compensate for overly bright sources.

Crossovers

Separate crossovers for each of the following: Front Left / Right, Front Center, Surround Left / Right, Surround Center. Three types supported: Linkwitz-Riley, Butterworth, Phase Perfect. Crossover frequencies: 40Hz, 50Hz, 63Hz, 80Hz, 125Hz, 160Hz. Crossover slopes: 6dB, 12dB, 18dB, 24dB per octave. Butterworth crossovers have separate adjustments for high and low pass.

Subwoofers

Up to five subwoofers supported. 1- single subwoofer, 2- left / right subwoofers, 2- front / rear subwoofers, 3- left / right / surround subwoofers, 4- left / right / surround left / surround right subwoofers, 5- left / center / right / surround left / surround right subwoofers. Each subwoofer can be set to receive a full range signal in case the sub has an internal crossover that cannot be defeated.

LFE

Phase adjustment (0, 180 degrees), level adjustment (0dB to -30dB, off)

Delays

Master (applies to all channels) delay for syncing with video processors, comprehensive separate delay settings for all speakers including subwoofers.

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 Power

4 rear panel 3.5mm mono phone jacks: +12VDC triggered (Can be set to Pulse or Continuous DC), pulse time variable from 0 to 255 mSec. Up to 100mA each. See page 77 for more detail.

6 composite / 4 S-Video option

Composite Inputs

6 (RCA jacks).

Composite Outputs

1 main and 1 tape (RCA jacks).

S-Video Inputs

4.

S-Video Outputs

1 main and 1 tape.

On-screen display on main outputs (composite and S-video). On-screen display character generator completely bypassed when not in use for maximum fidelity.

8 S-Video option

S-Video Inputs

8.

S-Video Outputs

2 main and 2 tape.

On-screen display on main outputs. On-screen display character generator completely bypassed when not in use for maximum fidelity.

3 Multi Format / 6 S-Video option

High Resolution Multi Format Inputs

3 (15 pin D type connectors).

High Resolution Multi Format Outputs

1 Main (on 15 pin D type connector).

S-Video Inputs

6.

S-Video Outputs

1 main and 1 tape.

On-screen display on S-Video main output only. On-screen display character generator completely bypassed when not in use for maximum fidelity.

Multi Format I / O

• Any 3, 4, or 5 Wire Component (480i or 480p).
• HDTV (Y, Pb, Pr) (for 720p or 1080i).
• Any 3, 4, or 5 Wire RGB Output from a Video Processor / Scaler or Computer RGsB, RGB / S, RGB / H&V.
• Input Signal Types Can Be Mixed, as Long as the Display or Processor Will Accept Mixed Formats from the Switched Output, on 1 Input.
• NO On Screen Display.
• Connectors are High Density 15 Pin D Sub (HD15) Connectors (like VGA Monitor / Computer Connectors).
• Cables should have a bandwidth capacity of 400MHz or greater for the highest resolution.

Power Requirements

117 VAC, 50-60 Hz, 120 watts with all options installed.

Dimensions

19"W x 16"D x 7.5"H (483 x 406 x 191 mm)

Weight

43 Lbs (19.5 Kg) Stand alone, 50 Lbs (22.7 Kg) Boxed with accessories

Environment

Operating Temperature: 32° to 95° F (0° to 35° C)
Storage Temperature: -22° to 167° F (-30° to 75° C)
Relative Humidity: 95% maximum without condensation

Remote Control

1 hand-held, battery powered control unit uses 2 AAA batteries

D / A Conversion

24-bit Ladder (8x oversampling - 4x @96K). Two DACs per channel (8 per board) for true differential operation.

Volume Control

Theta proprietary switched resistor network in the analog domain.

Digital Filter

8x oversampling (4x @ 96K) Theta proprietary FIR filter running on Motorola 56362 DSP.

Single-Ended Output

None

Sample Rates Supported

32KHz, 44.1 KHz, 48 KHz, 88.1 KHz, 96 KHz.

Output Impedance

20 Ohms.

Maximum Output Level

20 Vrms balanced.

Frequency Response

20 Hz-20 kHz, ± 0.025 dB, Ref. 1KHz.

THD+Noise

Less than 0.0015% @ 1KHz, maximum output level.

Dynamic Range

105dB minimum, 20KHz bandwidth, Ref. 1KHZ, A-weighted.

Signal to Noise Ratio

105dB typical, idle channel, A-weighted.

Crosstalk

-105dB Right - Left, >-120dB Center-Left @ 20KHz.

D / A Conversion

24-bit Ladder (8X oversampling - 4x oversampling for 96KHz sources). Two DACs per channel (6 per board) for true differential operation.

Volume Control

Theta proprietary switched resistor network in the analog domain.

Digital Filter

Theta proprietary FIR filter running on Motorola 56362 DSP.

Single-Ended Output

Summed from balanced signals, retains many of the advantages of the balanced output.

Sample Rates Supported

32KHz, 44.1 KHz, 48 KHz, 88.1 KHz, 96 KHz.

Output Impedance

20 Ohms.

Maximum Output Level

20 Vrms.

Frequency Response

20 Hz-20 kHz, ± 0.01 dB, Ref. 1KHz.

THD+Noise

Less than 0.0016% @ 1KHz, maximum output level.

Dynamic Range

105dB minimum, 20KHz bandwidth, Ref. 1KHZ, A-weighted.

Signal to Noise Ratio

105dB typical, idle channel, A-weighted.

Crosstalk

-90dB Right - Left, -120dB Center-Left @ 20KHz.

Output Impedance

10 Ohms

Maximum Output Level

10 Vrms

Frequency Response

20 Hz-20 kHz, ± 0.01 dB, Ref. 1KHz.

THD+Noise

Less than 0.0016% @ 1KHz, maximum output level.

Dynamic Range

105dB minimum, 20KHz bandwidth, Ref. 1KHZ, A-weighted.

Signal to Noise Ratio

105 typical, idle channel, A-weighted.

Crosstalk

-90dB Right - Left, -120dB Center-Left @ 20KHz

D / A Conversion

24-bit Ladder (8x oversampling - 4x @96K). Two DACs per channel (8 per board) for true differential operation.

Volume Control

Theta proprietary switched resistor network in the analog domain.

Digital Filter

8x digital interpolation followed by 64x delta-sigma modulator

Single-Ended Output

None

Sample Rates Supported

32KHz, 44.1 KHz, 48 KHz, 88.1 KHz, 96 KHz, 176 KHz, 192 KHz.

Output Impedance

50 Ohms.

Maximum Output Level

20 Vrms balanced.

Frequency Response

20 Hz-20 kHz, ± 0.025 dB, Ref. 1KHz.

THD+Noise

Less than 0.0015% @ 1KHz, maximum output level.

Dynamic Range

105dB minimum, 20KHz bandwidth, Ref. 1KHZ, A-weighted.

Signal to Noise Ratio

105dB typical, idle channel, A-weighted.

Crosstalk

>110dB channel to channel @ 20KHz.