Yamaha Guide to Bi-Wire Connections for Amplifiers
Page 17

■Bi-wire connection

The bi-wire connection separates the woofer from the combined midrange and tweeter section. A bi-wire compatible speaker has four binding post terminals. These two sets of terminals allow the speaker to be split into two independent sections. With these connections, the mid and high frequency drivers are connected to one set of terminals and the low frequency driver to another set of terminals.

SPEAKERS L CH

A

B

Caution

When making bi-wiring connections, use speakers with an impedance of 4 Ω or higher.

■VOLTAGE SELECTOR

(Asia and General models only)

Caution

The VOLTAGE SELECTOR on the rear panel of this unit must be set for your local voltage BEFORE plugging the power cable into the AC wall outlet. Improper setting of the VOLTAGE SELECTOR may cause damage to this unit and create a potential fire hazard.

Rotate the VOLTAGE SELECTOR clockwise or counterclockwise to the correct position using a straight slot screwdriver.

Voltages are as follows:

........................ AC 110/120/220/230–240 V, 50/60 Hz

VOLTAGE SELECTOR

230-

Voltage

240V

 

indication

Note

When making bi-wiring connections, remove the shorting bridges or cables on the speaker.

y

To use the bi-wire connections, switch the SPEAKERS selector to the A+B BI-WIRING position.

■Connecting the power cable

Connect the power cable into the AC IN inlet on the rear panel when all connections are complete, and then plug in the power cable to the AC wall outlet.

English

17 En

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Contents Stereo Amplifier Amplificateur Stéréo HiFi Began with Yamaha GT-2000/L Turntable Excellence in Audio AchievementFloating balanced circuit design Controls and functions Remote control sensor PowerControls and functions Front panel left sideSpeakers Phones jackBass Front panel right sideTreble BalanceAudio Mute VolumeInput selector PRE OUT jacks 10 EnRear panel Voltage Selector 11 EnAsia and General models only FootInstalling batteries in the remote control Remote control12 En MuteConnections 14 En Connections15 En 16 En Connecting the speakersConnecting the speakers using the Y-shaped lug Connecting the power cable Bi-wire connection17 En Asia and General models onlyS1000 input/output table 18 EnSpecifications Power Section Specifications20 En Control Section21 En Block diagramTotal harmonic distortion Tone control characteristics22 En Total harmonic distortion Phono 23 En24 En TroubleshootingTaking care of this unit 25 EnLa Hi-Fi doit ses débuts à Yamaha ’excellence dans l’accomplissement audio Propos de ce manuel Accessoires fournisCommandes et fonctions Face avant côté gauche Commandes et fonctionsCapteur de télécommande Remarque Prise PhonesFace avant côté droit Sélecteur Input Prises PRE OUT 10 FrPanneau arrière Pied 11 FrModèle pour l’Asie et modèle Standard seulement 12 Fr Boîtier de télécommandeMise en place des piles dans le boîtier de télécommande Raccordements 14 Fr Raccordements15 Fr Raccordements des enceintes 16 FrRaccordement des enceintes avec une cosse en Y Dévissez la borneConnexion bifilaire 17 FrModèle pour l’Asie et modèle Standard seulement Raccordement du cordon d’alimentationTableau des entrées/sorties du A-S1000 18 FrCaractéristiques techniques Caractéristiques techniques Section DE Commande20 Fr Section AlimentationSchéma fonctionnel 21 FrDistorsion harmonique totale 22 FrCaractéristiques du contrôle du son Distorsion harmonique totale Phono 23 Fr24 Fr Guide de dépannageEntretien de cet appareil 25 FrAll rights reserved Safety Brochure Brochure SUR LA Securite For Canadian Customers Important Safety InstructionsIi En FCC Information for US customersFor U.K. customers Special Instructions for U.K. ModelIii En Iv En Handling the remote controlPour LES Consommateurs Canadiens Précautions Concernant LA SécuritéPour la clientèle au Royaume-Uni Ii FrAvertissement Iii FrRemarques concernant les piles Manipulation du boîtier de télécommandeIv Fr WN63100

A-S1000 specifications

The Yamaha A-S1000 is a dedicated integrated amplifier that embodies exceptional craftsmanship, advanced technology, and an undying commitment to audio fidelity. Designed to cater to audiophiles, the A-S1000 combines vintage aesthetics with contemporary features, making it an attractive addition to any hi-fi setup.

One of the standout features of the A-S1000 is its robust power output. With a total of 90 watts per channel at 8 ohms, it delivers a dynamic range that can effortlessly drive a variety of speakers. This power is balanced with the amplifier’s high-current capability, ensuring that even the most demanding musical passages are reproduced accurately without distortion. The A-S1000's high-efficiency design ensures minimal energy loss, further enhancing its performance.

The amplifier also incorporates Yamaha’s exclusive ToP-ART (Total Purity Audio Reproduction Technology), which prioritizes the signal path to maintain audio integrity. This technology leverages a separate power supply layout for the left and right channels, effectively minimizing interference and delivering a cleaner, more detailed soundstage. Users can experience the subtle nuances of their favorite records, with a level of clarity that highlights the artistry of the music.

Another notable characteristic is the A-S1000’s high-quality components. The amplifier features a high-damping factor, which means better control over speaker motion, resulting in cleaner bass response and a more coherent sound. Furthermore, its premium-grade capacitors and heavy-duty construction contribute to its stability and longevity.

For connectivity, the A-S1000 is well-equipped with a range of inputs including phono, line, and digital sources. The inclusion of a dedicated phono stage allows vinyl enthusiasts to connect their turntables directly, enjoying the warm, rich sound that analog records provide. Additionally, the model supports pure direct mode, which bypasses unnecessary circuitry for a more direct signal, catering to audiophiles seeking the purest listening experience.

The A-S1000 also sports a beautifully designed aluminum front panel, which not only adds a touch of elegance but also enhances durability. The large, graduated knobs and clear display make operation intuitive, allowing users to adjust settings with precision.

In summary, the Yamaha A-S1000 is a quintessential integrated amplifier that merges powerful performance with aesthetic appeal. Its commitment to sound quality, combined with innovative technologies and versatile connectivity options, positions it as a worthy choice for anyone serious about high-fidelity audio. Whether powering a home theater system or a dedicated two-channel setup, the A-S1000 delivers an immersive listening experience that honors the true essence of music.
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