SANSUI AU-9900 Stereo Amplifier 80+80 Watts RMS + Original BOX Vintage GOOD LOOK
SANSUI AU-9900 Stereo Amplifier 80+80 Watts RMS + Original BOX Vintage GOOD LOOK
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SANSUI AU-9900 Stereo Amplifier 80+80 Watts RMS with Original BOX Vintage GOOD LOOK
Original from the Japanese market, it works on 100 volts, is completely restored and works perfectly at 100% - For shipments to Europeus countries it is supplied with a transformer to work on 220 volts
Sansui AU-9900
Integrated Stereo Amplifier (1975-77)
Description
The AU-9900 is identical to the superb specifications of the AU-11000 except for a slightly reduced power output.
Features include:
Stabilised, well regulated power source; oversized power capacitors, advanced toroidal transformer, excellent RIAA equalisation.
All controls, connections and convenience for professional and semi-professional use.
Specifications
Power output: 80 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 50kHz
Total harmonic distortion: 0.08%
Damping factor: 80
Input sensitivity: 2mV (MM), 130mV (DIN), 130mV (line)
Signal to noise ratio: 65dB (MM), 80dB (line)
Channel separation: 55dB (MM), 60dB (line)
Output: 130mV (line), 30mV (DIN), 0.7V (Pre out)
Speaker load impedance: 4Ω to 8Ω
Dimensions: 460 x 160 x 373mm
Weight: 17.9kg
Year: 1975
The Sansui AU-9900 is one of the most iconic audio amplifiers from the 1970s, crafted by the renowned Japanese brand Sansui Electric. This model is highly valued for its build quality, robust sound, and sophisticated technical design. Below are the technical specifications and some key features of the AU-9900, considering that this model with its original packaging is a collector’s item for audiophiles and vintage audio enthusiasts.
Technical Specifications of the Sansui AU-9900
Output Power
• RMS Power: 80 watts per channel at 8 ohms
• Frequency Range: 20 Hz - 20 kHz
• Total Harmonic Distortion (THD): ≤ 0.05%
• Load Impedance: 8 ohms
Frequency Response
• Power Amplifier: 5 Hz - 50 kHz (+0, -0.5 dB)
• Preamp: 5 Hz - 50 kHz
Inputs and Connectivity
• Line Inputs:
• Phono 1 and Phono 2 (for turntables)
• Auxiliary
• Tuner
• Microphone
• Recording and Playback Inputs:
• Two tape inputs and outputs (Tape 1 and Tape 2)
• Can perform tape-to-tape recording
Tone Controls
• Bass: Adjustable ±10 dB at 50 Hz
• Treble: Adjustable ±10 dB at 10 kHz
• Frequency Filters:
• Low Cut Filter at 40 Hz and 70 Hz
• High Cut Filter at 7 kHz and 12 kHz
Additional Controls and Features
• Balance Control: Adjusts the balance between left and right channels
• Mono/Stereo Selector: Switch between mono and stereo sound
• Phono Input Phase Selector: Adjusts phase for turntable input
• Operating Mode: Allows selection between “Normal” and “Pre Out” modes (separating preamp and power amp stages)
• Speaker Impedance Selector: Options for 4 and 8-ohm impedances
• Speaker Output Selector: Choose between Speakers A, B, or A+B
Noise Level
• Signal-to-Noise Ratio (SNR):
• Phono: 80 dB
• Line (Aux, Tuner, Tape): 90 dB
Power Consumption
• Power Consumption: Approximately 330 W
Dimensions and Weight
• Dimensions (Width x Height x Depth): 460 mm x 160 mm x 380 mm
• Weight: Approximately 19.3 kg
Special Features of the Original Packaging
The original packaging of the Sansui AU-9900 is a cardboard box designed to protect the amplifier during transport. It usually includes:
• Foam or Padding: To cushion shocks and secure the unit
• User Manual: Detailed guide for operation, connection, and maintenance
• Warranty Certificate: (original from the era if included)
• Original Accessories: Power cable and, in some cases, screws or tools for terminal adjustments
This amplifier is known for its aesthetic and ruggedness, with durability due to its high-quality construction and premium components. In summary, the Sansui AU-9900 is not only a symbol of the audio engineering of its time but also a collectible piece highly regarded in the audiophile community.
ESPAÑOL:
El Sansui AU-9900 es uno de los amplificadores de audio más emblemáticos de la década de 1970, fabricado por la reconocida marca japonesa Sansui Electric. Este modelo es altamente valorado por su calidad de construcción, sonido robusto y diseño técnico sofisticado. Aquí te dejo las especificaciones técnicas y algunas características destacadas del AU-9900, considerando que este modelo con su embalaje original es un objeto de colección para audiófilos y amantes del audio vintage.
Especificaciones Técnicas del Sansui AU-9900
Potencia de Salida
• Potencia RMS: 80 watts por canal a 8 ohmios
• Rango de frecuencia de salida: 20 Hz - 20 kHz
• Distorsión Armónica Total (THD): ≤ 0.05%
• Impedancia de Carga: 8 ohmios
Respuesta en Frecuencia
• Amplificador de Potencia: 5 Hz - 50 kHz (+0, -0.5 dB)
• Amplificador de Preamplificación: 5 Hz - 50 kHz
Entradas y Conectividad
• Entradas de Línea:
• Phono 1 y Phono 2 (para tocadiscos)
• Auxiliar
• Tuner (sintonizador)
• Micrófono
• Entradas de Grabación y Reproducción:
• Dos entradas y salidas de cinta (Tape 1 y Tape 2)
• Puede realizar grabación de cinta a cinta
Controles de Tono
• Bajos: Ajustable ±10 dB a 50 Hz
• Agudos: Ajustable ±10 dB a 10 kHz
• Filtros de Frecuencia:
• Filtro de paso alto (Low Cut) a 40 Hz y 70 Hz
• Filtro de paso bajo (High Cut) a 7 kHz y 12 kHz
Otros Controles y Características
• Control de Balance: Permite ajustar el balance entre canales izquierdo y derecho
• Selector de Mono/Stereo: Para alternar entre sonido monoaural y estéreo
• Selector de Fase de Entrada Phono: Para ajustar la fase de entrada del tocadiscos
• Modo de Funcionamiento: Permite seleccionar entre los modos “Normal” y “Pre Out” (separar la etapa de preamplificación de la de amplificación)
• Selector de Impedancia de Altavoces: Permite seleccionar impedancias de 4 y 8 ohmios
• Selector de Salidas: Permite elegir entre Altavoces A, B o A+B
Nivel de Ruido
• Relación Señal/Ruido (SNR):
• Phono: 80 dB
• Línea (Aux, Tuner, Tape): 90 dB
Consumo de Energía
• Consumo: Aproximadamente 330 W
Dimensiones y Peso
• Dimensiones (Ancho x Alto x Fondo): 460 mm x 160 mm x 380 mm
• Peso: Aproximadamente 19.3 kg
Características Especiales del Embalaje Original
El embalaje original del Sansui AU-9900 es una caja de cartón diseñada para proteger el amplificador en transporte. Suele incluir:
• Espuma o acolchado: Para amortiguar golpes y asegurar el equipo
• Manual de usuario: Guía detallada de uso, conexión y mantenimiento
• Certificado de Garantía: (original de la época si está presente)
• Accesorios de origen: Cable de alimentación y, en algunos casos, tornillos o herramientas de ajuste para los terminales
Este amplificador es famoso por su estética y robustez, además de la durabilidad que le confiere su construcción de alta calidad y componentes de primera línea. En resumen, el Sansui AU-9900 no solo es un símbolo de la ingeniería de audio de su época, sino también una pieza de colección que sigue siendo muy apreciada en la comunidad audiófila.
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Spain
- Carrier: Correos Express (mainland & Balearic Islands) and Correos (Canary Islands)
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- Carriers: FedEx or DHL
- Cost: Calculated at checkout (varies by country/weight)
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