Victor JP-V1000 | JM-S1000 (1975)

 

"Listening to today's voices and living for tomorrow's technology" was the slogan that was used to introduce this new professional audio system in 1975. The Laboratory 1000 series was handcrafted at the Victor Lab Center. The JM-S1000 power amplifier boasts 180W x 2, and a staggering 600W in BTL monaural operation. The JP-V1000, with its comprehensive 4-channel control functions, including 4 SEA channels and a pink noise generator, it not only offers ample adaptability for a wide range of professional applications, but also possesses the finest specifications befitting a master of sound—refined quality and outstanding reliability. The 1000 series is meticulously crafted with the pursuit of the best possible music reproduction from every angle, whether for studio monitoring, as the main system for discerning audiophiles, or as a primary system for music enthusiasts. Furthermore, slight specification changes are possible to suit your specific needs.

JM-S1000 model (Original sale price in Japan ¥480,000) Specifications: Stereo Power Amplifier Circuitry: All-stage direct-coupled Purecon Triple PP OCL Effective Output: 180W + 180W (20Hz-20kHz) | Peak/VU simultaneous display meter (with sensitivity switch) | 4-stage power limiter Dimensions (H) 212.5 × (W) 478 × (D) 488 mm (BTS rack mount) | Weight 30.5 kg

JP-V1000 model (Original sale price in japan ¥480,000) | Model: 4-channel preamplifier | 4-channel input level meter, 4-channel 7-element SEA | pink noise generator | microphone amplifier | headphone monitor amplifier | Dimensions: (H) 162.5 × (W) 478 × (D) 488 mm (BTS rack mount) | Weight: 18.0 kg

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Sansui D-X301i (1988)

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Lo-D DAD-003 (1985) | Digital Audio

 

Released in 1985, the Lo-D (Hitachi) DAD-003 was a sophisticated separate-component CD player system comprising the DAP-003 CD transport and HDA-003 digital processor (DAC). Developed as the more affordable successor to the acclaimed DAD-001, it retained many of Hitachi's advanced digital audio innovations, including a 3-beam optical pickup with Direct Pit Servo (DPS), a five-stage error correction LSI, and a high-precision linear-phase FIR digital filter with 2x oversampling for exceptionally accurate CD playback. The separate transport and DAC architecture minimized vibration, electrical interference, and power supply noise to deliver a clean, detailed sound. Premium construction, including a copper-plated chassis, vibration-damped components, and carefully selected audiophile-grade parts, further enhanced performance and reliability. Combined with comprehensive playback features such as 15-track programmable memory, multiple repeat modes, auto spacing, index search, delete and retain functions, a headphone output, and wireless remote control, the DAD-003 became one of the most advanced and cost-effective Japanese CD player systems of the mid-1980s, and the final separate CD player released under the Lo-D brand.

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Actuator employing a pure metal damping suspension system

Digital Filter