CA M300 Electronic Interiors Brisbane

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CA M300

CA-M300 300W Monaural Amplifier

Performance fast
There is a relationship between temperature and performance but it is widely misunderstood. Audiophiles say that optimal performance is obtained when an amplifier is “warmed up,” but what does this actually mean? When is it warm enough and when is it too warm? The exposed heatsink fins found on conventional amplifiers are passive. They can’t help circuits reach their ideal temperature or keep them there throughout a listening session. They run at a temperature wholly defined by their environment and how loud they are playing. This can be far from ideal.

Heat management in Classé’s new Delta series amplifiers is providedby the ICTunnel™ (pronounced Icy Tunnel), a sensor- and microprocessor- controlled technology inspired by the heatsinks found in high-power laser and medical equipment. Mounted inside the unit, the ICTunnel™ actively regulates the amplifier temperature to ensure both optimum performance and reliability.

From room temperature, the amplifiers warm up fast. They reach their ideal temperature in less than fifteen minutes and remain there regardless of how hard they are driven. No conventional heatsink can do this. $7,500 each rrp

All tests un-weighted and 500kHz measurement bandwidth (except SNR)

Frequency response	1 Hz - 100 kHz, -3dB
Output power	300W rms into 8Ω (24.8 dBW) 600W rms into 4Ω (24.8 dBW)
Harmonic Distortion	<0.002% at 1 kHz balanced <0.004% at 1 kHz single ended
Peak Output Voltage	150V peak to peak, 53V rms no load 136V peak to peak, 48V rms into 8Ω
Input Impedance	50kΩ balanced / single ended
Voltage gain	29dB balanced / single ended
Input level at clipping	1.88V rms balanced / single ended
Intermodulation Distortion	>90dB below fundamental into 8Ω balanced / single ended >90dB below fundamental into 4Ω balanced / single ended
Signal to Noise Ratio	-116dB at peak output into 8Ω Measurement Bandwidth: 22 kHz
Output impedance	0.015Ω @ 1 kHz
Standby power consumption	< 1W
Rated power consumption	420W @ 1/8th power into 8Ω
Width	17.5” (444mm)
Depth	(excluding connectors) 17.52” (445mm)
Height	8.78” (223mm)
Gross weight	87 lb (45.4 kg)
Net weight	75 lb (39.9 kg)
Mains voltage	Specified on rear panel

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