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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





Luxman LV-113 amplifier


This integrated amplifier has been designed for highest sonic purity. Triple Darlington outputs and driver topology, optical and coaxial direct digital inputs with built-in DAC. 4 fold oversampling filter, high current high power output into low impedance loads, massive power supply and heatsink designs, all contribute to the achievement of this goal.

Specifications
Rated Output Power
70 W + 70 W at 8 Ω (20 Hz - 20 kHz)
85 W + 85 W at 8 Ω (1 kHz)
80 W + 80 W at 6 Ω (20 Hz -20 kHz)
Dynamic Power:
90 W + 90 W at 8 Ω
150 W + 150 W at 4 Ω
190 W + 190 W at 2 Ω
Total Harmonic Distortion (8 Ω, 70 W)
From 20 Hz to 20 kHz :  0,03%
At 1 kHz :  0,006%
Intermodulation Distortion ( 8 Ω, 60 Hz : 7 kHz - 4 : 1):  0,008% ( 70 W)
Input Sensitivity/Impedance
Phono (MM) :  2,5 mV/50 k Ω
CD, Tuner, LD/VHD, Tape 1-2 :  150 mV/40 k Ω
Signal-to-Noise Ratio (A-weighted, Input Shorted)
Phono (5 mV Input) :  87 dB
CD, Tuner, LD/VHD, Tape 1-2 :  105 dB
Frequency Response:
Phono :  20 Hz - 20,000 Hz (±0,3 dB)
CD, Tuner, LD/VHD, Tape 1-2 :  1 Hz - 150 kHz (-3 dB)
Tone Control:
Bass :  ±10 dB at 100 Hz
Treble :  ±10 dB at 10 kHz
Subsonic Filter:  -3 dB/oct (15 Hz)
Loudness Control (VR - 30 dB) :  +6 dB at 100 Hz ;  +4 dB at 10 kHz
D/A Section
Output:  2 V
Signal-to-Noise:  105 dB (IHF-A Filter)
Separation:  80 dB (1 kHz, B.P.F.)
Frequency Response:  5 Hz - 20 kHz (±0,5 dB)
Dynamic Range:  91 dB
Video Section
Input/Output:  1 Vp-p/75 Ω
DP, DG:  1°, 1%
Power Requirements: 120/220/240 V AC 50/60 Hz
Power Consumption: 3,2 A
Dimensions (W x H x D):  438 x 137 x 382 mm
Weight:  9,8 kg (net)
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1 comment:

  1. Mike YakeyApril 21, 2025 at 4:31 AM

    I just got an LV-113 to temporarily replace my Sansui AU-717 while it gets overhauled. I love the sound of the LV-113 in comparison but am confused about the use of the tone controls. As expected when my source (computer) is connected by way of a graphic equalizer to the sound processor jacks, the tone controls do not work as they are downstream to prevent double boosting. However, when any source is connected straight line (CD, Tuner), the tone controls still do not work even though this mode bypasses the signal processor mode. I can't figure out what I am missing.

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