What is the Difference between the old Innersound ESL amp and the new Sanders ESL amp?
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The chassis is now aluminum.
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All chassis parts are thicker to eliminate resonances.
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XLR connectors are genuine Neutrik. They use professional metal sockets with locking devices.
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RCA connectors are Cardas with Rhodium plating.
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The power transformer is larger and more powerful. This has increased the amplifier's power from 300 watts to 360 watts/channel.
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The power transformer is now fully shielded in an aluminum cylinder and potted in epoxy.
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A new power supply circuit board is more compact and all wire has been eliminated (except for a 2" piece connecting the circuit board to the speaker binding post).
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The amplifier is now completely modular in construction.
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The face plate is "cleaner" and less cluttered.
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The low-level, input amplifier circuitry has been redesigned to use the latest and best transistors.
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The bias circuitry has been upgraded to provide more stable operation.
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More powerful and linear output transistors are used to handle even more power and reduce distortion.
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The new circuitry and transistors allow the use of less bias so that the amplifier runs even cooler than the original amp.
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The speaker binding posts are placed at 45 degrees for ease of routing stiff speaker cables.