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In Reply to: RE: Or, perhaps, it is the Buckeye input amplifier to blame? posted by 13th Duke of Wymbourne on December 24, 2024 at 16:32:11:
My guess is that a sheet metal floor pan is no longer sufficient for passive cooling of 1.2K to 1.4K watts.From the manual:
1) Assumes a thermal system of adequate size to keep the amplifier module well within its thermal recommended operating range.
2.4 Thermal Requirements
While the 1ET9040BA has very low idle losses and high overall efficiency, adequate cooling is essential for
sustained power delivery. Careful consideration must be given to the design of the thermal system in order to
achieve desired output power specifications. 1ET9040BA's power efficiency and power loss is illustrated in
Figure 12 and Figure 13
Noctua NH-P1 Passive heatsink for less than 100 watt loads (0.4064 C/W, @ 60 watt load, 21.5 degrees over ambient)
.
2022/03/30 Historical Records CENSORED
Edits: 12/24/24 12/24/24 12/24/24 12/24/24 12/24/24 12/24/24 12/25/24
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- RE: Or, perhaps, it is the Buckeye input amplifier to blame? - emailtim 16:45:26 12/24/24 (0)
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