Koch Amps ATR-4502
Guitar Power Amp Koch Amps ATR-4502Guitar Power Amp Koch Amps ATR-4502 (2)Guitar Power Amp Koch Amps ATR-4502 (3)

Koch Amps ATR-4502

(2 Ratings)
  • Technology: Hybrid
  • Power: 2 x 45 W
  • Design: 19", 1U
  • Fan: yes
  • 5,5 kg

Koch Amps ATR-4502 · Guitar Power Amp

The ATR-4502 is an alternative to heavy and sensitive full-tube amplifiers. This hybrid power amplifier works with 2x12AX7 driver tubes and a Class A transistor output stage. The amplifier section is based on the amps of the Jupiter series. The ATR-4502 delivers the following output power depending on the impedance of the cab used:
90 watts at 1 x 8 ohms (mono operation) or 2x16 ohm stereo operation, 70 watts at 16 ohms (mono operation). The minimum impedance is 8 ohms! The input stage can be switched over, the output stage is protected against short-circuit - 2 fans protect the ATR from overheating.


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