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adminThe CA-M400 is a 400W monaural amplifier. Balanced throughout, the CA-M400 also uses these 200W modules, but configured in balanced output mode. One module amplifies an inverted signal while the other handles a non-inverted signal. Our balanced output stage cancels noise and distortion and yields higher power without reducing low impedance drive capability. Music lovers seeking the benefits of high-end monaural amplifiers and multichannel enthusiasts who can afford the price of admission will find the CA-M400 an ideal choice for a no-compromise Delta series Classι audio system.
| models (balanced inputs) | CA-M400 |
| voltage gain | 29.1dB |
| bandwidth | 155kHz (-3dB) 22kHz (-0.1dB) phase < -10° (22kHz) |
| sensitivity | 2.0Vrms |
| power/channel (continuous) (120VAC line, 1kHz signal regulated to 1% THD + noise into resistive load, all channels driven) | |
| load (resistive) | |
| 8Ω | 400W |
| 4Ω | 800W |
| THD + noise (unweighted, 10Hz - 500kHz bandwidth, 1Vrms/1kHz input) | |
| load (resistive) | |
| none | 0.001% |
| 8Ω | 0.003% |
| 4Ω | 0.005% |
| noise | FFT noise floor peaks all below 95dBV (with terminated inputs) | |
| S/N ratio (relative to 1kHz sine wave full level output into 8Ω) | |
| 112dB |
height | depth (excluding connectors) | width | gross weight | net weight |
| 8.75 (222 mm) | 18.5 (470 mm) | 17.5 (445 mm) | 94 lbs (43 kg) | 82 lbs (37 kg) |
| idle power consumption | 166W |
| rated power consumption | 480W |
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