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{name} presenteert de meeslepende wetenschap van audioapparatuur

Ariel Cabello

For sale Technics su-ma 10 made for the Japanese market and sold under the Panasonic name 
100 volt alternating current.

Digital straight  amplifier with twin monaural configuration using D. D. D. D.

Uses D. D. D. (Digital Direct Drive) system.
In this method, unlike conventional  amplifiers with only a DAC mounted on them, the output signal of the DAC is increased to the voltage of the required sound level, and it is directly connected to a power amplifier with an amplification degree of 1 (0 dB) without going through the amplification path of the analog source. As a result, the output voltage of the DAC part is equal to the voltage of the speaker terminal, and excellent transmission characteristics are achieved.
In addition, in order to operate the 0 db power amplifier stably, it uses a combination of Technics original classAA and floating power supply to realize an S/N ratio of 140 db in the power amplifier section.
The D. D. D. cannot perform normal volume control, so a high voltage I/V converter is mounted on the DAC output as a voltage variable means. By changing the conversion ratio, the output voltage can be varied to adjust the volume.

MASH1-bit DAC is used for the D/A conversion part.
Mash reduces re-quantization noise in the audible frequency band by over-sampling 16-bit input data with a digital filter and then noise-shaping it. In addition, the PWM method, which in principle does not generate non-linear distortion such as 0 cross distortion, enables D/A conversion with extremely high accuracy, and enhances the reproduction capability of small signals, which tend to be buried in distortion components of high-level signals.

In order to reduce the jitter distortion in the digital transmission path, which is a problem in the amplifier with built-in DAC, a unique digital interface receiver is installed. This circuit reduces the jitter distortion by adopting the VCXO method using quartz with extremely high oscillation accuracy.
It is also equipped with a 2-PLL system with two VCoS to provide a 2-mode / 2-PLL system. The VCXO system is automatically selected for sources with high oscillation precision such as CD players, and the 2-PLL system is automatically selected for sources with low oscillation precision.

The power supply section is equipped with a 300 VA high-capacity transformer independently on the left and right sides. This transformer is used with a magnetic flux density approximately 30% lower than usual, minimizing mechanical vibration and magnetic radiation.
A newly developed X-Pro twin capacitor is used for the electrolytic capacitor. Two electrolytic capacitors for the positive and negative power supply are enclosed in a resin case with a copper cap. The capacitor is filled with vibration absorbing material to reduce mechanical vibration and electromagnetic radiation.

The power amplifier section has a twin monaural configuration in which the left and right sides are independent. In addition, the preamplifier section and digital section have a T-shaped configuration with a tight shield. This minimizes interference between the left and right channels caused by electromagnetic waves from the large current of the power amplifier section, and prevents noise from entering the final 0 db amplifier.

In addition to digital inputs of two optical and two coaxial systems, four analog inputs are installed.
Type	Digital straight amplifier
Power Amplifier Unit
Effective power	100W + 100W (6 Ω, 20 Hz to 20 kHz, T. H. D 0.007%)
Total harmonic distortion factor	0.003% (20 Hz to 20 kHz -3dB, 8 Ω)
Damping factor	110 (8 Ω)
55 (4 Ω)
Preamplifier Section
Frequency characteristic	Tuner, aux1/2, tape, DAT : 0.8 Hz to 120 kHz + 0 to 3 dB
20 Hz ~ 20 kHz + 0 -0.2 dB
Input Sensitivity / Impedance	Tuner, aux1, tape, DAT : 150mV/100k Ω
aux2 : 150mV/22k Ω
Signal-to-noise ratio	Tuner, aux1/2, tape, DAT : 105 dB (IHF' 66)
Digital Part
Total harmonic distortion factor	0.005% or less (EIAJ)
Frequency characteristic	2 Hz to 20 kHz ± 0.3 dB
some inscriptions on the front are worn out
signs of use are visible, minor scratches
Pwer	100 VAC, 50Hz/60Hz
Power consumption	250W
External dimensions	Width 430x Height 186x Depth 433 mm
Weight	25.0kg
rarely available
Beautiful and powerful Sound optical input
requires converter, min. 700 W
preamp input also available, which is not found on the European version
sent in carefully wrapped foam packaging
Just shipping in Europa!

Goed - Aantal items: 1 - Inclusief: Solid state dual mono block eindversterker - Geen extra‘s

Technics - SU-MA 10 klasse AA Solid state dual mono block eindversterker

Audioapparatuur

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Sluitingsdatum

donderdag

26 december

maandag

dinsdag

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28 december

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In goede staat - gebruikt met geringe sporen van ouderdom.

Excellent (EX)

Goede staat - gebruikt met kleine tekenen van ouderdom en vlekjes

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+ Extra object (zie beschrijving)

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+extra item (zie de beschrijving)

Anti-pop filter

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2010-2020

2000-2010

1980-1990

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2024

Stijl

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1900-2000

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Vóór 1400

Maker

Various Artists/Bands in 1970's

Luigi Caccia Dominioni

Various Artists/Bands in Rock

Japan & Related

Livio Castiglioni

Pier Giacomo Castiglioni

Achille Castiglioni

Raymond Loewy

Zeer goed - Aantal items: 1 - Inclusief: Kracht voeding

Ei NIŠ - RR 240 Radio

Zeer goed - Aantal items: 1 - Inclusief: Afstandsbediening - Afstandbediening

Bang & Olufsen - Beo4 Afstandsbediening

Bang & Olufsen - iPhone 16 Pro Max Aluminium Case Gold Tone Luidspreker

Goed - Aantal items: 1 - Inclusief: Power snoer

Comptoir MB Radiophonique - Super Rimlock Buizenradio

SONNECLAIR - EVOLUTION 1951 - DESIGN COLLECTOR’S ITEM Buizenradio

Nieuwstaat - Aantal items: 2 - Inclusief: Audiocomponent - + Extra object (zie beschrijving), Doos

DeLuxe - NAB Alu Naben-Adapter Audiocomponent

Goed - Aantal items: 31 - Inclusief: Geen extra‘s

Sony - Vintage SONY & Maxell Cassette Tape Lot (31 pcs) – HF/UR Series – 1980s–1990s NOS & Unused Mix Cd-speler

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Technics - SU-MA 10 klasse AA Solid state dual mono block eindversterker

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Audioapparatuur

Dit object is niet meer beschikbaar, maar er valt nog veel meer te ontdekken

Technics - SU-MA 10 klasse AA Solid state dual mono block eindversterker

Populair in Audioapparatuur

993 objecten

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