Kenwood
22000 MKD
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- TV, Video, Photo and Multimedia > Hi-Fi / Audio > Hi-fi Stereo systems
Kenwood DP-4090 The Kenwood DP-4090 is a vintage, high-quality hi-fi CD player manufactured in Japan between 1997 and 1998. It is well-regarded for featuring Kenwood's proprietary D.R.I.V.E. (Dynamic Resolution Intensive Vector Enhancement) processing system and CD-Text capabilities. Technical Specifications Audio Architecture: 1-bit digital-to-analog converter (DAC) paired with 8x oversampling. Frequency Response: Ultra-wide 4 Hz to 20 kHz range. Signal-to-Noise Ratio: Strong 100 dB performance for clean audio reproduction. Power Consumption: Efficient 12 Watts during operation. Dimensions: 440 mm × 127 mm × 366 mm (Width × Height × Depth). Weight: Heavy-duty build at 4.8 kg Kenwood KA-7090R The Kenwood KA-7090R is a solid-state stereo integrated amplifier.It features Kenwood's proprietary TRAITR (Thermally Reactive Advanced Instantaneous TRansistor) technology, which utilizes eight discrete transistors to continuously stabilize the operating point for enhanced thermal efficiency and sound quality. Power and Performance Continuous Power Output (8 ohms): 2 x 85W or 90W RMS (stereo).Continuous Power Output (4 ohms): 2 x 150W (DIN, 1 kHz).Dynamic Power Output: 185W at 4 ohms, peaking at 280W at 2 ohms.Total Harmonic Distortion: 0.02% (or up to 0.05% depending on testing standard).Frequency Response: 5 Hz to 100 kHz (+0 / -3 dB).Damping Factor: 250 at 8 ohms (50 Hz), providing excellent speaker control.Audio and Connectivity Signal-to-Noise Ratio: 105 dB for Line-level inputs, 88 dB for Phono MM, and 68 dB for Phono MC.Inputs Available: 6 total inputs, including Phono (MM/MC switchable), CD, Tuner, Aux, Tape 1/MD, and Tape 2.Input Sensitivity: 2.5mV (MM), 0.2mV (MC), and 200mV (Line).Speaker Terminals: Robust screw terminals supporting Speaker A, B, or A+B configurations.Special Functions Tone Controls: Bass and Treble adjustments up to ±10dB, paired with a Subsonic Low Filter at 18 Hz (6 dB/octave).Loudness Feature: Boosts signals by +6 dB at 100Hz and +3 dB at 10 kHz for richer low-volume listening.Source Direct Mode: Bypasses the tone circuitry via a "CD-Direct" path to deliver the cleanest possible audio signal.Power & Build: Features gold-plated RCA inputs, high-capacity 2 x 10,000µF capacitors, and a resonance-free heatsink mount.Physical Dimensions Dimensions: 440 mm x 147 mm x 392 mm (Width x Height x Depth). Weight: 11.7 kg
