Marantz CD-23DLTD (1997)
The CD-23DLTD was a limited edition CD player from Marantz, sold in Japan in 1997 at ¥250,000. The "LTD" means it was a special version of the CD-23Da. The key difference is the transport. The CD-23DLTD swapped in the CDM-9PRO, which the period literature describes as a final, limited high-precision mechanism. The rest of the internal design came over from the CD-23 almost unchanged.
It was built around the bit-stream DAC7 digital-to-analog converter. Marantz adopted its newly developed four-layer NEW HDAM board to improve circuit speed, stability, and signal-to-noise ratio. The power supply used a toroidal transformer chosen for low leakage flux. The rear panel had both optical and coaxial digital inputs and outputs, plus a single unbalanced analog output, so it could work as a digital hub of sorts. The remote control had an aluminum top and an output level control.
Specifications as documented: frequency response of 20 Hz to 20 kHz ±0.2 dB, dynamic range of 97.5 dB, signal-to-noise ratio of 110 dB (1 kHz), and output of 2 Vrms into 150 Ω. It drew 15W and measured 250 × 124 × 281 mm (W×H×D). It weighed 6.3 kg.
Beyond the spec sheets at audio-database.com and audio-heritage.jp, the historical record is thin. No period reviews, production quantities, or market context have surfaced. A 2022 Yahoo! Auctions listing for a used unit, described as functional with some scratches and dirt, drew a bid of ¥16,500. That at least suggests the model circulates among collectors in Japan.
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