Adcom GTP-870HD Surround Preamp
Manufacturer's Description
The GTP-870HD is ADCOM`s latest 7.1-Channel AV Preamp/Processor solution. Along with a full compliment of industry-standard audio and video inputs, the GTP-870 also sports balanced (XLR) outputs for use with ADCOM`s most powerful multichannel amplifiers. The GTP-870HD incorporates the National Semiconductor Video Converter and allows you to configure each video input for the proper resolution needed for your HD display.
Dolby Digital EX, DTS ES and Prologic IIx
7.1 Surround Processing
National Semiconductor AVC2510 Video DSP
Scale analog video sources up to a max of 1080p
Scaled signals output through HDMI
Upconverts Composite and S-Video to Component
Adjustable Lip Sync
Audiophile Bypass Mode
Independent Room 2 Out w/ advanced equalization
Balanced and Unbalanced audio outputs
Upgradeable
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General Features
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Surround Modes
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Dolby Pro Logic IIx, Dolby Digital EX, DTS ES
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Frequency Response
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10Hz - 22kHz
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Multi-Room/Multi-Source
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Yes
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Remote Control
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Included
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Tuner
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FM, AM
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Inputs / Outputs
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12V Trigger
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Rear Output, Rear Input
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Coaxial
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(3) Rear Input
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Command / Control
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IR Input
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HDMI
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Rear Output, (2) Rear Input
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IEC Removable Power Cord
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Yes
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Multi-Channel
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7.1 Channel Input
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Optical
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(3) Rear Input
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XLR
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Rear Output
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Analog Audio
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Rear Output, (3) Rear Input
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Analog Audio / Video
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(2) Rear Output, (4) Rear Input
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Component Video
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Rear Output, (4) Rear Input
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Preamplifier Outputs
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Rear Output
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RS-232C
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Rear In/Out
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S-Video
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(2) Rear Output, (4) Rear Input
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Dimensions
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Weight (Pounds)
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35
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Depth (Inches)
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19
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Height (Inches)
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7.5
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Width (Inches)
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17
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Detailed Specifications:
Preamplifier Analog Section
Input Impedance 47k
Output Impedance (Main-RCA) <600 Ohm
Rated Input 1.0Vrms
Maximum Input (@ 4Vrms Input Sens.) 4.1Vrms
Rated Output (100k load) 2.0Vrms
Minimum Load 5k
Maximum Output 8Vrms
Volume & Trim Range (relative to 0dB Trim)
Main -80dB to +18dB (0.5dB res)
Main Trim -10dB to +10dB (1.0dB res)
Main Input Sens./Input 1V/2V/4V
Room 2 -65dB to +0dB (1.0dB res)
Room 2 Trim -8dB to +8db (1.0dB res)
Room 2 Gain/Input +0dB to +6dB (2.0dB res)
Channel Separation (at 1kHz) (>65dB)
Frequency Response
Analog DSP Input 20Hz to 20kHz +0/-0.2dB
Analog Ext7.1 Input 20Hz to 100kHz +0/-0.2dB
THD+N (@ Rated Input & Output)
Analog DSP Input 0.007% (20kHz Low Pass)
Analog Ext7.1 Input 0.006% (80kHz Low Pass)
S/N Ratio (ref. 2.0Vrms A-weighted)
Analog - DSP Input 93dB
Analog - Ext 7.1 Input 100dB
Preamplifier Digital Section
Frequency Response
Digital Input 10Hz to 22kHz +0/-0.2dB
THD+N (@ Rated Input & Output)
Digital Input 0.009% (A-weighted)
S/N Ratio (ref. 2.0Vrms A-weighted)
Digital Input 99dB
Bass Management (Front/Center/Surround/Sub)
High-Pass Slope Crossover Frequency
(Small Spkr Setting) 12dB/octave (2nd order) (Adj. 40/60/80/100/120/150Hz)
Low-Pass Slope (Sub) 24dB/octave (4th order) (Adj. 40/60/80/100/120/150Hz)
Delay Mgmt (Feet or Meters relative 1ms/ft)
Front/Center/Surr/Surr Back/Sub 0-20 ft
Lip Sync Delay 0-169mS
FM Tuner Section
Sensitivity
30dB S/N 6dBu typ.
S/N Ratio
Mono 65dB typ.
Stereo 55dB typ.
Distortion
Mono 0.3% typ.
Stereo 0.5% typ.
Stereo Separation 35dB typ.
Adjacent Channel Selectivity 50dB typ.
Frequency Response 50Hz to 15kHz +1/-3dB
Video Section
Impedance (Input/Output) 75 Ohm
Bandwidth
Composite & S-Video 6MHz -3dB
Component 200MHz -3dB
Transcoding
Composite/S-Video/Component 480i & 576i
Switching
HD Component (Auto Bypass) 480p-1080p
HDMI (Switching Video/Audio/DDC/HPD) 480i-1080p
General
Supply Voltage (Switchable) 120vAC-60Hz/230vAC-50Hz
Power Consumption 50watt maximum
Dimensions
Width 17 inches (431.8mm)
Rack Height 7 inches (177.8mm)
Full Height 7.5 inches (190.5mm)
Depth of Chassis 15.5 inches (393.7mm)
Full Depth 19 inches (482.6mm)
Unit Weight 35 lbs. (15.9kg)
Trigger Outputs
Main 50mA @ 12vDC
Room 2 50mA @ 12vDC
IR Inputs
Main 3.5mm T/R
Room 2 3.5mm T/R
RS232 Control 9600 baud/8 - N-1/
Flow Control = Hardware