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Clone Processors Photos and Comparisons

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by Gene DellaSala — last modified January 04, 2007 18:41
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Back Panels

Notice how all three processors have identical backpanel layouts, with the exception to the markings. They all have a manual power switch, detachable 3 prong power cord, and identical chassis dimensions and power consumption of 45watts.


Internal Components

Also notice the common circuit cards and component layouts, as well as the power supply sections featuring a toroidal power transformer and a bank of electrolytic low ESR capacitors.





Front Panels

Notice the virtually identical front panel layouts and display screens. The only things that differentiate these processors from each other are the chassis color, construction, and brand markings.



Specifications

At the time of this article, detailed specifications for the Sherbourn Technologies PT-7000 were unavailable.

Outlaw Audio
Model 950		 Atlantic Technology
P-2000

AUDIO SECTION

Analogue

Frequency response: 10 Hz - 90 kHz: +0, -3 dB (Bypass Mode)
Signal to Noise Ratio: 102 dB (Bypass Mode)
∑ Distortion: 0.0038% (20 Hz ~ 20 kHz) (Bypass Mode)
Input sensitivity / input impedance: 200 mV/ 47kohms
Rated output: 1V(0dB gain in Bypass Mode)

Digital

Signal to Noise Ratio: 102 dB
Total Harmonic Distortion: <0.005% (1 kHz, at 0 dB)
Dynamic Range: 100 dB
D/A Output: Rated output 2 V (At 0 dB playback)
Digital Input: S/P-DIF Format
DSP Processor: Cirrus® CS 49326
ADC: Cirrus CS 5360
DAC: Cirrus CS 4396

VIDEO SECTION

Composite

Video Format: NTSC
Input/Output Level: 1 volt P-P
Input/Output Impedance: 75W
Frequency Response: 5 Hz - 10 MHz -- +0, -3 dB

S-Video

Signal Format: NTSC Y/C
Luminance (Y) Input/Output Level: 1 volt P-P
Chrominance © Input/Output Level: 0.3 volt P-P
Input/Output Impedance: 75W
Frequency Response: 5 Hz - 10 MHz -- +0, -3

Component Video

Signal Format: NTSC Y/Pr/Pb
Analog Components
Luminance (Y) Input/Output Level: 1 volt P-P
Pr Input/Output Level: 0.7 volt P-P
Pb Input/Output Level: 0.7 volt P-P
Input/Output Impedance: 75W
Frequency Response: DC - 45 MHz -- +0, -3 dB

Preamplifier Analog Section

Input Impedance: 26K.
Output Impedance: (Main-RCA) <600.
Rated Input: 2.0Vrms
Maximum Input: 3.0Vrms
Rated Output: (100k. load) 1.5Vrms Minimum Load 5k. Maximum Output 6.3Vrms
Volume Range: Main -80dB to +10.0 dB (1dB resolution) Zone -80dB to +10.0 dB (1dB resolution)

Bass Management

High-Pass Slope Crossover Frequency
(Small Speaker Setting) (Adjustable 40/60/80/100/120/150Hz)
12 dB/octave (2nd order)
Low-Pass Slope: (Subwoofer) 24 dB/octave (4th order), 40-150Hz as above

Tone Control

Bass Center Frequency/Range 30Hz / ± 6dB
Treble Center Frequency/Range 10KHz / ± 6db
Channel Separation: (at 1kHz) 82dB
Crosstalk Between Inputs: (at 1kHz) 86dB

Preamplifier Digital Section

Frequency Response
Direct Inputs: 10 Hz to 20 kHz +0 / -0.2 dB
Analog-DSP Inputs: 10 Hz to 20 kHz +0 / -0.5 dB
Digital Inputs: 10 Hz to 20 kHz +0 / -0.4 dB
THD+N (at Rated Input & Output) 6-Channel Direct Inputs: 0.0035% (80 kHz BW)
Analog-Direct Inputs 0.0035% (AES17 filter) Analog-DSP Inputs: 0.005% (AES17 filter)
Digital Inputs: 0.006% (80 kHz BW)
IMD (CCIF) @ 15 kHz & 16 kHz: 6-Channel S/E Inputs: 0.003% All Other Analog Inputs 0.002%
Digital Inputs: 0.005%
S/N Ratio: (ref. 2.0Vrms A-weighted) All Direct Inputs:102dB Analog-DSP Inputs: 99dB
Digital Inputs: 101 dB

Video Section

Bandwidth
Composite & S-Video: 6 MHz -3dB
Component Green 50MHz -3dB
Component Red 50MHz -3dB
Component Blue 50MHz -3dB

All video inputs and outputs are 75 ohms, 1.5 Vp-p. Component inputs and outputs work with any Standard requiring ultra-wide bandwidth including Component-RGB, HDTV, line doublers, quadruplers, and scalers.

Digital Audio

All digital audio inputs and outputs are to S/PDIF electrical (75 ohms, 0.5 Vp-p),
S/PDIF optical (Toslink), or AES / EBU (110 ohms, 5 Vp-p) standards as appropriate.
Processor: Crystal CS49326
Audio Converters
Digital Audio Inputs: CS8415A Digital Audio Interface up to 96kHz
Analog to Digital: CS5360 up to 24-bit/48kHz
Digital to Analog: CS4396 up to 24-bit/192kHz

Zone 2 Section

Frequency Response and Bandwidth
THD+N (at Rated Input & Output) 0.01% (80kHz BW)
IMD (CCIF at 15kHz & 1 kHz) 0.01%
S/N Ratio: (ref. 2.0Vrms A-weighted) 97dB


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