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In Reply to: Not entirely posted by Steve O on January 25, 2023 at 10:01:41:
The SMPS in the Benchmark amp and preamp are not off the shelf low cost units that spew RF. [And just for grins I did the AM radio test. Nothing.]The point is that a preamp and amp with well designed SMPS can EXCEED the performance of the best linear power supplies. I don't base my listening preference on measurements but on that front, the AP Precision measurements don't lie. The Benchmark AHB2 and LA4/HPA4 are proven to be a couple of the quietest amps and preamps on the market.
Both use SMPS busting the old fart myth that SMPS should be avoided.
Edits: 01/27/23
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Follow Ups
- Who said entirely ? And no one said low cost.... - AbeCollins 20:04:22 01/27/23 (0)