Yamaha CA-1000 Integrated Amplifier
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Product details
| Management number | 37883088 | Release Date | 2026/01/11 | List Price | $184.52 | Model Number | 37883088 | ||
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| Category | |||||||||
Yamaha CA-1000 Integrated Amplifier
¥98,000 (released in 1973)
Power supply confirmed.
Maintenance item.
Operation confirmed.
Sound output confirmed.
Speaker A/B sound output confirmed.
High-end amplifier.
External dimensions: Width 436 x Height 144 x Depth 323 mm
Weight: 15.5 kg
Stereo integrated amplifier employing a Class B-A operation switching main amplifier.
The main amplifier section employs an all-stage direct-coupled pure complementary OCL circuit, eliminating interstage capacitors.
Furthermore, it achieves high stability through a two-stage differential amplifier and a transistor-based bias stabilization circuit. FETs are used in the bias circuit of the first-stage differential amplifier, providing ideal bias characteristics due to their constant current characteristics.
The power stage operation mode can be switched between Class B and Class A, allowing the user to freely select between the stable power of Class B and the low distortion of Class A.
The power supply section employs a large-core power transformer with excellent regulation and 18000μFx2 capacitors, as well as a high-capacity 250A surge current rectifier diode.
In addition, a separately set constant voltage power supply is used to drive all stages except the power stage, improving the overall stability of the amplifier.
| Category | Electronics > Home Audio > Home Audio Amplifiers |
|---|---|
| Size | N/A |
| Brand | Yamaha |
| Condition | Good |
Home Audio Amplifiers
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