Marantz PM6100SA ver.2 (2003)
The Marantz PM6100SA ver.2 is a Japanese-market integrated amplifier released in 2003 at ¥43,000 (audio-database.com). Some sources suggest an original RRP of ¥30,000-35,000. It's a revised PM6100SA. Marantz applied its "Absolute SA Technology" to rework the parts, power supply, and internal wiring. The most identifiable change is the addition of Schottky barrier diodes in each rectifier circuit of the power supply.
The amplifier uses current feedback topology in both the preamp and power amp sections, with LAPT audio transistors in the output stage. It pairs them with high-quality polypropylene capacitors and low-noise metal-coated resistors throughout. It has a phono equalizer for MM cartridges, a full record selector with buffer, and a pre-out for bi-amping when paired with the matching SM6100SA ver.2 power amplifier. It uses German WBT speaker terminals and an IEC-style inlet AC jack. A wireless remote is included, and it can also control Marantz CD players like the CD7300.
Rated output is 50W + 50W into 8Ω, 60W + 60W into 6Ω, and 70W + 70W into 4Ω (20 Hz to 20 kHz, both channels driven), with THD rated at 0.01%. Frequency response via CD with Source Direct is 5 Hz to 60 kHz (+0/-1 dB), and damping factor is 100. The unit was assembled in Japan and runs on 100 VAC. That's a Japanese-market voltage, so it needs a step-down transformer outside Japan.
The documentation record is thin beyond this. There's no production end date and no period reviews in the archive's sources. The only owner commentary is a Russian seller describing it as "legendary" and in good working order. A service manual exists (17 pages) and is available through the usual manual sites. One forum commenter noted there was no black-face version of the 6100SA, which limited its appeal to some buyers.
Known specs:
- Rated output: 50W + 50W (8Ω), 60W + 60W (6Ω), 70W + 70W (4Ω)
- THD: 0.01% (20 Hz–20 kHz, 8Ω)
- Frequency response (CD, Source Direct): 5 Hz–60 kHz (+0/-1 dB)
- Damping factor: 100 (8Ω)
- Phono MM input: 2.3 mV / 47 kΩ
- Dimensions: 440 × 124 × 340 mm (W×H×D)
- Weight: 7.5 kg (audio-database.com); 9800g (hirose1117.ocnk.net)
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