Vintage Boutique Tour
Liam will walk you through the Yamaha CR-640.
A narrated 4-scene walk-through by your host — quirks, sound, and fair value.
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Premium AI Voice Guide
PROLiam's bench-side rundown of the Yamaha CR-640.
Real-time streaming voice — specs, history, restoration pain points, market value.
Sonic Similarity Analysis
Both embody Yamaha's house sound of neutral-to-slightly-warm refinement with smooth presentation and attention to detail. The A-S501 modernizes the CR-640's balanced approach with more power and improved specs while maintaining the same musical priorities and build quality philosophy.
Yamaha CR-640
vs.
Yamaha A-S501
40W
Watts / ch @ 8Ω
85W
80dB
S/N Ratio
100dB
50
Damping Factor
240
0.05%
THD
0.019%
22 lbs
Weight
21.6 lbs
4-8 Ω
Speaker Ohms
4-16 Ω
20Hz - 30kHz
Frequency Response
10Hz - 100kHz
Vintage (used avg)
$350
Modern (new)
$549
Difference
$199more new
Cross-Match Engine · Pro Preview
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Speakers
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