Copland CSA150 Integrated Amplifier

Copland CSA150 Integrated Amplifier

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Key info

  • 150W into 8 Ohms
  • Implement’s Copland’s double triode gain stage with MOS-FET
  • Implements ES9018 32-bit DAC
  • Optional bluetooth module
  • Alps Blue Velvet volume control

All specifications

Physical characteristics
Dimensions (HxWxD) 370 x 435 x 165 mm
Shipping Weight 15 Kg
Technical specifications
Power output 150 W
THD > 0.04 %
Frequency response 10 Hz – 150 kHz
S/N Ratio > 90dB
Input sensitivity 270 mV
Maximum power consumption Max.700 W
Phono MM
Tubes 1 pc. 6922
Analog inputs 1 x XLR | 3 x RCA
Digital inputs 1 x Coaxial | 2 x Optical | 1 x USB
Analog outputs 1 x RCA | 1 x Pre-out
Bluetooth aptX HD (optional)

The CSA150 is the top model in the new line of Copland CSA series amplifiers.

Under dynamic conditions this current feedback power plant will deliver several times its rated power – enough to drive almost any loudspeaker.

The CSA150 amplifier is equipped with a 2 x 150 W semiconductor stage with current feedback of the power stage, and the signal is supplied from the preamplifier operating on a double triode.

One tube is responsible for the linear amplification of the CSA150. The applied solution is distinguished by amazing efficiency. The dual triode operates at high voltage in a configuration for maximum linearity, taking care only of the voltage amplification. The MOS-FET circuit, in turn, provides a powerful force that drives the linear stage output and feedback circuit, thus facilitating the collaboration between the world of voltage-controlled electronic tubes and current-controlled transistor technology.

If you want the warm and colorful charm of older tube designs, the CSA150 tube linear stage will give you that experience. In this case, the tube creates life, space and dynamics that are difficult to find in amplifiers based solely on solid state technology.

With the vinyl enthusiast in mind, the designers have equipped the CSA150 with a RIAA-corrected input for MM cartridges. The amplifier also uses an excellent DAC with multiple S / PDIF, PCM and DSD inputs, based on the 32-bit ES9018 Reference chip in a quad-mono configuration, 8 mono to 2 stereo configuration.

Design features:

  • Employing the Copland double triode gain stage with MOS-FET buffering ensuring a tight interface between the tube and the solid-state parts of the amplifier.
  • Immunity to mains fluctuations, load demands and noise interference by use of wide bandwidth power supply regulation, not only for the low-level stages of the amplifier, but also by active regulation of the power amplifier driver stages.
  • D/A converter with multiple S/PDIF inputs, PCM, and DSD capabilities using the ES9018 Reference 32-bit DAC in quad-mono configuration, 8 mono to 2 stereo configurations.
  • Besides the digital coax and optical inputs an additional Bluetooth aptX module makes airborne sources available in HD quality.
  • RCA inputs as well as balanced XLR. For the vinyl enthusiast the CSA150 has RIAA input for MM cartridges.
  • Classic tape loop in/out function as well as pre-out terminal and a front facing 6.3mm headphone output.

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