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14th January 2008, 07:30 PM
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diyAudio Member
Join Date: Dec 2007
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Quantum 102 Pre-Amplifier
I have a Quantum 102 Pre-Amplifier which mates with a 202 Power Amp. These date from the early eighties.
The pre-amp has 4 x LM301AN op-amps fitted. Would replacing these op-amps with either NE5534, OPA604AP or OPA134 improve the sound quality of the pre-amp? Would any other mods need to be carried out by replacing these op-amps such as fitting 100nF capacitors between power supply pins of the op-amps and ground. Thanks in advance for any advice. |
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