Pioneer XL-1550

Key Features

• Drive Type: Direct drive, utilizing a quartz PLL Hall motor for precise speed control and minimal vibrations.

• Speeds: Operates at two speeds: 33 1/3 and 45 RPM, suitable for standard vinyl records.

• Speed Control Range: Offers a fine adjustment range of ±6% for precise speed control.

• Platter: Made from a 324 mm aluminum alloy die-cast, providing stability and durability with an inertial mass of 340 kg·cm².

• Tonearm: Features a static-balanced, S-shaped pipe arm with an effective length of 221 mm and an overhang of 15.5 mm.
  Cartridge Weight Range: Supports cartridges weighing between 4 to 14.5 grams.
  Anti-Skating Mechanism: Includes an adjustable anti-skating system to prevent lateral movement during playback.
  Height Adjustment Range: Allows for arm height adjustments of ±5 mm.

• Motor Performance: The quartz PLL system ensures accurate speed control by comparing pulses from a power generator with those from a crystal oscillator.

• Circuitry: Uses bipolar ICs for the drive circuit and MOS ICs for the control circuit to enhance reliability.

Performance Specifications

• Wow and Flutter: Less than 0.025% WRMS, ensuring accurate playback with minimal speed variations.

• Rumble: 70 dB (DIN-B), providing a clean audio output.

• Signal-to-Noise Ratio (SNR): 62 dB (JIS) or 70 dB (DIN-B), offering clear and quiet playback.

• Frequency Response: 10 Hz to 28 kHz ±3 dB.

• Start-up Time: Approximately two-thirds of a rotation at 33 1/3 RPM.

Design and Build

• Dimensions: Measures 490 x 390 x 185 mm (WxDxH).

• Weight: Approximately 12 kg, reflecting its robust construction.

• Body Material: Features a combination of materials, including particle boards for the cabinet, with a focus on aesthetic appeal.

Additional Features

• Power Supply: Operates at 100 VAC, 50/60 Hz, with a power consumption of 5 W.

• Strobe Light: Includes a strobe light for precise speed adjustment.

• Arm Elevation Mechanism: Features a cushioned arm lifting system for smooth operation.