Marantz PM-14
The Marantz PM-14 is an integrated stereo amplifier from the early 1990s. Audio magazine carried it in its amplifier listings in October 1992 (p.156) and again in October 1993 (p.128), which places it on the market during that span. Past those directory appearances, the record is thin. No production years, original price, or period reviews with measured performance have surfaced in the archive's sources.
The manufacturer's own material shows a heavyweight design. The PM-14 is rated at 100 watts per channel into 4 ohms, with total harmonic distortion claimed at 0.0015% and a damping factor of 100. The power supply is the big feature: a 500VA "pure power" transformer feeding 30,000µF of reservoir capacitance. Marantz describes it as "high grade power supplies" feeding a "fully discrete power amplifier." The chassis weighs 24kg and measures 440 x 166 x 402 mm.
Input sensitivity for line-level sources is 300mV into 47kΩ, with a signal-to-noise ratio of 106dB. The phono stage (MM) is rated at 81dB S/N. Marantz states the PM-14 is designed for an effective speaker load of 4Ω and can drive speakers of 8Ω to 16Ω.
- Continuous power output: 100W + 100W
- THD: 0.0015%
- Damping factor: 100
- Power supply: 500VA transformer, 30,000µF capacitance
- Dimensions: 440 x 166 x 402 mm; 24kg
No frequency response specification, input/output counts, or circuit topology details beyond "fully discrete" are documented. The paper trail is mostly limited to the amp's appearance in equipment directories.
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