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Premium AI Voice Guide
PROLiam's bench-side rundown of the Sansui AU-7700.
Real-time streaming voice — specs, history, restoration pain points, market value.
Sonic Similarity Analysis
Both prioritize musical engagement with smooth midrange and slightly warm presentation. The PM6007 continues the AU-7700's tradition of balanced, musical amplification that favors tonal richness and natural presentation over clinical accuracy, making long listening sessions enjoyable.
Sansui AU-7700
vs.
Marantz PM6007
65W
Watts / ch @ 8Ω
45W
80dB
S/N Ratio
102dB
60
Damping Factor
100
0.05%
THD
0.08%
30 lbs
Weight
17.3 lbs
4-8 Ω
Speaker Ohms
4-8 Ω
10Hz - 50kHz
Frequency Response
10Hz - 70kHz
Vintage (used avg)
$550
Modern (new)
$899
Difference
$349more new
Cross-Match Engine · Pro
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