RTB11 mini hybrid low voltage hifi headphone amplifier - diyAudio
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Old 15th October 2011, 10:24 AM   #1
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Default RTB11 mini hybrid low voltage hifi headphone amplifier

This is a compact, high performance, beautiful looking headphone amplifier with unique design. Unlike other tube gadgets need high voltage, this amplifier works with only 24V power supply. A review of another proximate product can be found here:
bit.ly/pNOEXj
There're several improvments of RTB11 comparing to the product in the above review.

Please visit the following link for detail about RTB11
RTB11 mini hybrid hifi headphone amplifier
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Last edited by siliconray; 15th October 2011 at 10:27 AM.
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Old 15th October 2011, 02:48 PM   #2
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This amplifier can be improved by replace 6N11 with ECC88 or 6dj8.
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Old 17th October 2011, 03:39 PM   #3
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6DJ8 wanted by some customers. Who knows where to buy?
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Old 17th October 2011, 03:41 PM   #4
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