What is stereo?

There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.

H.H. Scott '59

Onkyo P-3000R

Two-Channel Pre-Amp Delivers Sublime Audio
Despite being at the cutting edge of the burgeoning home theater market, Onkyo has never forgotten its roots in pure hi-fi audio. With the P-3000R, we present a streamlined two-channel pre-amplifier that packs a treasure trove of stunning audio technology. The P-3000R handles both analog and digital sources, with connectivity options including AES/EBU digital connectors and a USB device for PC audio. Separate 192 kHz/32-bit TI Burr-Brown DACs for each channel ensure accurate digital-to-analog conversion. Meanwhile, to minimize interference and maintain signal quality, the P-3000R employs noise-reducing DIDRC technology, a vibration-resistant chassis design, and independent amplifier circuitry. Thanks to the P-3000R’s bi-amping capability, you also have greater flexibility in how you set up your system. As always, the job of all this advanced hardware is to bring you closer to your music and let you feel the unique resonance of each individual instrument.
Special Features
DIDRC (Dynamic Intermodulation Distortion Reduction Circuitry)
PLL (Phase Locked Loop) Ultra-Low Jitter Technology
Separate TI Burr-Brown 192 kHz/32-Bit DACs (PCM1795 x 2) for L/R Channels
Amphenol AES/EBU Balanced Digital Input
USB Device (C-Media CM6631) for 192 kHz/32-Bit HD Audio from PC*
Playback of PC audio requires dedicated software that can be downloaded from an Onkyo website
DIDRC (Dynamic Intermodulation Distortion Reduction Circuitry)
Separate Digital/Analog Circuitry
Separate Massive Transformers for Digital/Analog Circuitry (Toroidal for Analog)
Anti-Vibration Side-Mounted Circuit Board Construction
Sampling Rate Convertor (Up to 192 kHz)
192 kHz/32-Bit DACs (Burr-Brown PCM1795 x 2)
Direct Mode
Discrete Phono Equailizer
Phono Input (MM)
USB Input (for 192 kHz/32-Bit HD Audio from PC*)
AES/EBU Balanced Digital Input (XLR)
Digital Inputs (optical/coaxial) (2/2)
Digital Output (Optical)
Separate L/R Bi-Amp-Capable Pre-Outs
Gold-Plated, Machined Solid Brass, 19mm-Pitch Audio Terminals
High-rigidity, anti-resonant chassis
Separate Anti-Vibration Aluminum Panel Construction (Top, Front, Sides)
Tone Control (Bass/Treble)
Independent Headphone Amplifier
12 V Trigger Output
Display Dimmer (Normal/Dim/Off)
Detachable AC Cord

Product Specifications
THD + N (Total Harmonic Distortion+Noise): 0.005% (20 Hz–20 kHz, Power Rated)
Input Sensitivity and Impedance (Unbalance): 200 mV/47 k-ohms (Line); 2.7 mV/47 k-ohms (Phono MM)
Rated RCA Output Level and Impedance: 1 V/330 ohms (Pre out)
Maximum RCA Output Level and Impedance: 5.0 V/330 ohms (Pre out)
Phono Overload: 80 mV (MM, 1 kHz, 0.5%)
Frequency Response: 5 Hz–100 kHz/+0 dB, -3 dB (Line)
Tone Control Charcteristics: ±8 dB, 50 Hz (BASS); ±8 dB, 20 kHz (TREBLE)
Signal to Noise Ratio: 110 dB (Direct, IHF-A); 80 dB (Phono, IHF-A)
Digital Inputs:
Optical: 2; Coaxial: 2; 2ch PCM; Digitial Input Sampling Rate:;32 kHz/44.1 kHz/48 kHz/88.2 kHz/96 kHz;compaitible (OPT);32 kHz/44.1 kHz/48 kHz/88.2 kHz/96 kHz/;176.4 kHz/192 kHz compatible;(COAX, AES/EBU);44.1 kHz/48 kHz/88.2 kHz/96 kHz/192 kHz compatible;(USB)
Analog Stereo Inputs: PHONO, CD, LINE 1, LINE 2, TAPE (LINE 3)
Balanced Input: AES/EBU (DIGITAL)
Digital Outputs:
Optical: 1;Digital Output Sampling Rate:;32 kHz/44.1 kHz/48 kHz/88.2 kHz/96 kHz;compatible (OPT)
Analog Stereo Outputs: TAPE (LINE)
Pre Outputs: 2
Phones: 1 (6.3 Ø)
12 V Trigger Output: x 1
RI: x 1
PC Interface: USB
Power Supply: AC 120V~, 60 Hz
Power Consumption: 26 W
Dimensions: 17 1/8" x 3 7/8" x 13 1/8" (435 x 99 x 333.1 mm)
Weight: 24.3 lbs. (11.0 kg)

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