Is there a dual equivalent to the OPA627 (or similar) to use in a cMoy?  

Looking for forum advice on what opamp will provide the cleanest bass. This is not for audio listening but rather to use with some field equipment. Units are coupled with Bose QC-15's set on low, believe impedance is rated at 73 ohms +/- 10% at 1khz. My needs are quite low end - top end is <...

Looking for forum advice on what opamp will provide the cleanest bass. This is not for audio listening but rather to use with some field equipment. Units are coupled with Bose QC-15's set on low, believe impedance is rated at 73 ohms +/- 10% at 1khz. My needs are quite low end - top end is <...