TECHNICS SL-PD687 5-disc CD Player

This unit is like new, in its original packaging and complete with a remote. It has been tested and is working fine with 5 CDs, and sounds great.

Technics SL-PD687

is a 5-disc carousel-style CD changer originally released in 1995. It is known for its "MASH" (Multi-Stage Noise Shaping) digital-to-analogue converter, which was a hallmark of Technics audio equipment in the 1990s to ensure clear audio reproduction.

Key Technical Specifications

According to technical data from spencertified.com, the unit features the following audio performance metrics:

• Digital Converter: MN66271RA MASH 1-bit DAC.
• Frequency Response: 2Hz to 20kHz.
• Signal-to-Noise Ratio: 100dB.
• Total Harmonic Distortion: 0.007%.
• Dynamic Range: 92dB.
• Dimensions: Approximately 43 cm x 12 cm x 36 cm (16.75" x 4.75" x 14.1").
• Weight: 4.8 kg (10.58 lbs). 

Features and Functionality

The SL-PD687 was designed for convenience and continuous playback in home audio systems. 

• 5-Disc Carousel: Uses a rotary changer system that allows you to exchange up to four discs while the fifth one is still playing.
• Playback Modes: Includes Random (for a single disc or the full carousel), Repeat, and a unique "Spiral" mode that plays the first track of each disc, then the second, and so on.
• Quick Rotation: Features a bi-directional drawer-style platter designed to reduce disc-change time to approximately seven seconds.
• Connectivity: Standard Stereo L/R RCA outputs for connecting to an amplifier or receiver. 

Performance and Reliability

• Longevity: Some users report these units lasting over 20 years with proper care.
• Build Quality: While the sound quality is often praised for being "enjoyable," some enthusiasts on Head-Fi have noted that the internal transport mechanism may not be as robust as higher-end single-disc players, occasionally leading to disc-alignment issues if the unit is moved or handled roughly.