IRCore350M ±55V 350W 4Ω Mono High Power Class-D Amplifier
Reference design performance irs2092 based class-d amplifier with higher current capability and configured for sound quality.
Input is single ended and uses OPA1692 opamp opamp buffer.
Flat wirewound copper, low loss output inductor is used to achieve THD performance on par with reference design and while providing higher current capability.
Uses dedicated voltage regulators in the analog supply section which directly improves the sound quality.
Uses Infineon OptiMos(TM) for the output mosfets. This newer technology mosfets can produce double the output current at 4 ohms load compared with the reference design with no performance penalty.
1pc assembled and tested mono module.
Instruction manual via email
Supply Voltage: ±25V to ±55V DC
Power ±55V (1% THD): 150W @ 8Ω
Power ±55V (1% THD): 300W @ 4Ω
Voltage gain: 20
Input sensitivity: 2V RMS
Input impedance: 10K Ω
Load impedance: 4Ω or 8Ω
Idle dissipation: ~6W at ± 55V DC
PCB area: 114mm x 85mm
Overcurrent /short protection: Yes
Speaker Protection: No
Over/under voltage protection: No
Overheat protection: No
Input Opamp: OPA1692
Main Chip: IRS2092S
DIY stereo amplifier
Retrofitting old amplifiers
Karaoke / Videoke / Jukebox systems
Recommended Power Supply (not included)
Dual 45V to 55V DC (+/- 55V DC)
Add a minimum of 6800uF, 80V capacitor per rail to avoid bus pumping
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