YAMAHA CR-1040
A solid-state stereo receiver with dual power supply and OTL amplifier design, delivering 80 watts per channel.
Overview
The YAMAHA CR-1040 is a stereo receiver manufactured by Yamaha, designed for high-fidelity audio amplification and FM broadcast reception. It delivers 80 watts per channel into 8 ohms with low distortion and a wide frequency response, supporting speaker loads from 4Ω to 16Ω. The unit weighs 38.6 lbs (17.5 kg) and measures 22-1/4" wide, 6-3/4" high, and 16-1/4" deep.
Specifications
| Power output | 80 watts per channel into 8Ω (20Hz-20kHz, 0.05% THD) |
| Frequency response | 20Hz to 20kHz |
| Total harmonic distortion | 0.05% |
| Signal to noise ratio | 90dB (MM), 100dB (line) |
| Input sensitivity | 2.5mV (MM), 150mV (line) |
| Speaker load impedance | 4Ω to 16Ω |
| Dimensions | 22-1/4" wide, 6-3/4" high, 16-1/4" deep |
| Weight | 38.6lbs (17.5kg) |
| Semiconductors | 1 FET, 70 transistors, 46 diodes |
| Tuner section: FM sensitivity | 1.9uV (IHF) |
| Tuner section: FM S/N ratio | 70dB |
| Tuner section: FM THD | 0.3% |
| Tuner section: FM frequency response | 30Hz-15kHz |
Design
The CR-1040 features a dual power supply system, with separate power supplies for the front end and power amplifier sections. It uses a direct-coupled OTL (output transformer-less) power amplifier and a phono equalizer with a new low-noise dual FET in the first stage.
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