PIONEER SD 100 Stereo Display Audio Scope VERY RARE Vintage 1971 WORK Good Look
PIONEER SD 100 Stereo Display Audio Scope VERY RARE Vintage 1971 WORK Good Look
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PIONEER SD 100 / SD 1000 Stereo Display Audio Scope VERY RARE Vintage 1971 WORK Good Look
Working Perfect On AC 100/110 volts or on 230/240 Volts with External Transformer (FREE included for buyers of the European Union, UK and Australia
Original VU meter lighting
Very rare almost impossible to get, it is revised and completely original, working perfectly.
🇬🇧 Pioneer SD-1000 (SD-100) – Stereo Display / Audio Waveform Analyzer – Extremely Rare Collector’s Unit (1971–1972)
Overview
The Pioneer SD-1000, also known in Japan as the SD-100, stands among the most sophisticated and visually striking audio instruments ever produced by Pioneer during the early 1970s.
Originally introduced around 1971–1972, it was designed not as a conventional Hi-Fi component, but as a professional stereo display — an advanced oscilloscope capable of visually representing waveforms, channel balance, frequency response, phase, and distortion levels in real time.
This instrument was part of Pioneer’s elite laboratory and demonstration series, intended for high-end audio dealers, engineering labs, and passionate audiophiles who valued precision and visual interaction with their sound.
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Technical Specifications
• Display: 75 mm electrostatic CRT (cathode-ray tube)
• Vertical deflection: 20 mV p-p/cm
• Vertical frequency response: 5 Hz – 250 kHz (-3 dB)
• Input impedance: 190 kΩ
• Input capacitance: 80 pF
• Horizontal sweep: 4 selectable ranges, 10 Hz – 100 kHz
• Synchronization: Internal / External with “spot killer” function
• Built-in AF oscillator (tone generator)
• Power consumption: Approx. 25 W
• Dimensions: 430 × 145 × 348 mm (W × H × D)
• Weight: Approx. 8.8 kg
• Multiple front and rear input terminals (Vertical, Horizontal, Multipath, Microphone)
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Historical Significance & Collectibility
The Pioneer SD-1000 is one of the rarest visual audio instruments ever made for home Hi-Fi use. Very few units remain in functional condition due to the delicate nature of the CRT and the limited production run.
It is highly sought after by serious collectors and museums of audio history for its combination of aesthetic design, analog engineering, and unique functionality.
Its real charm lies in the hypnotic visual display — a living waveform dance of left and right channels that transforms sound into motion. Each operational unit is now considered a functional work of art, representing the peak of early-1970s Japanese audio craftsmanship.
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Highlights
✅ Exceptionally rare model (1971–1972)
✅ Precision-built by Pioneer Japan during the golden age of analog design
✅ Fully analog CRT stereo display — stunning visual effect
✅ Valuable collector’s piece for any vintage Hi-Fi collection
✅ Increasingly difficult to source worldwide, especially in working condition
✅ Museum-grade historical equipment
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Condition & Presentation
This unit has been preserved with great care. All controls, connectors, and CRT tube are intact. The scope lights up beautifully and responds accurately to stereo signal input.
It is offered as a functional collector’s display piece, combining technical sophistication with timeless aesthetic appeal.
Professional packaging and worldwide shipping available upon request.
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🇪🇸 Pioneer SD-1000 (SD-100) – Visualizador Estéreo / Analizador de Onda de Audio – Unidad Rara de Colección (1971–1972)
Descripción general
El Pioneer SD-1000, conocido en Japón como SD-100, es uno de los instrumentos de audio más sofisticados y visualmente impactantes jamás creados por Pioneer durante los primeros años de la década de 1970.
Lanzado alrededor de 1971–1972, fue diseñado no como un componente Hi-Fi convencional, sino como un display estéreo profesional: un osciloscopio de alta precisión capaz de mostrar en tiempo real las formas de onda, balance de canales, respuesta en frecuencia, fase y niveles de distorsión.
Formó parte de la serie de laboratorio y demostración de Pioneer, destinada a ingenieros, distribuidores especializados y audiófilos exigentes que buscaban comprender el sonido más allá de la audición: viéndolo.
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Especificaciones técnicas
• Pantalla: tubo CRT electrostático de 75 mm
• Desviación vertical: 20 mV pico-pico / cm
• Respuesta de frecuencia vertical: 5 Hz – 250 kHz (-3 dB)
• Impedancia de entrada: 190 kΩ
• Capacidad de entrada: 80 pF
• Barrido horizontal: 4 rangos seleccionables, 10 Hz – 100 kHz
• Sincronización interna y externa, con función “spot killer”
• Generador de tono AF integrado
• Consumo eléctrico: aprox. 25 W
• Dimensiones: 430 × 145 × 348 mm (ancho × alto × fondo)
• Peso: aprox. 8,8 kg
• Múltiples entradas delanteras y traseras (Vertical, Horizontal, Multipath, Micrófono)
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Valor histórico y rareza
El Pioneer SD-1000 es uno de los equipos visuales de audio más raros fabricados para uso doméstico o demostrativo.
Su producción fue limitada y muy pocas unidades han sobrevivido en estado funcional, debido a la complejidad de su tubo CRT y a su naturaleza técnica.
Es una pieza muy buscada por coleccionistas, ingenieros y museos de tecnología del sonido, por su diseño analógico, precisión técnica y belleza visual.
Su verdadero atractivo está en la pantalla CRT: una representación viva de las ondas estéreo que convierten la música en movimiento. Cada unidad operativa se considera hoy una obra de arte funcional, símbolo de la excelencia japonesa en ingeniería analógica.
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Aspectos destacados
✅ Modelo excepcionalmente raro (1971–1972)
✅ Fabricación japonesa de precisión, era dorada de Pioneer
✅ Display CRT analógico estéreo con efecto visual impresionante
✅ Pieza de colección de alto valor para sistemas Hi-Fi vintage
✅ Extremadamente difícil de encontrar, especialmente operativa
✅ Equipo histórico digno de museo
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Estado y presentación
Unidad cuidadosamente preservada, con todos los mandos, conectores y tubo CRT en excelente estado.
La visualización responde perfectamente a la señal estéreo, mostrando un trazo limpio y brillante.
Presentada como una pieza de colección funcional, que combina tecnología, historia y diseño en un solo objeto.
Embalaje profesional y envío internacional disponibles bajo solicitud.
ATTENTION: It is a very rare and difficult to get item, very few units were manufactured in the world, it is more than 50 years old and some marks of the passage of time, please enlarge the photographs to see the external details, the item was completely restored and works perfectly!
Compatible with :
Krell, audio research, sota, aloia, levinson, quad, sonic frontiers, audio notes, fostex, jeff rowland, pioneer, tannoy, accuphase, rotel, technics, b & o, spendor, rogers, harbert, avalon, proac, sme, allison, audioquest, dynaudio, celestion, class', electrocompaniet, teac, sae, sonus faber, nakamichi, mit, cardas, audiotekné, microseiki, nelson pass, conrad, asr, phase, denon, roksan, cyrus, nad, philips, counterpoint, cayin , vtl, gyro, atm, emt, rega, yamaha, b & w, sony, kenwood, klipsch, sansui, stage, mcintosh, luxman, bose, altec, cerwin, cervin wega, arcam, meridian, ps audio, EAD, harman, jbl , genesis, thorens, kef, linn, leak, marantz, revox, esb, infinity, chario, naim, focal, yba, monrio, am audio, ar, allison, Sansui, monster cable, shure, scan, seas, lowther, vinyl, turntable , nos, tube, high end, integrated, valvular, valves, sinto, cd, final, pre, dac, converter, van den hul, cable, hi-fi, hi end, speakers
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