KT66/EL34 single end class A integrated amplifier - Page 2 - diyAudio
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Twin Audio Twin Audio is a manufacturer of hand made audiophile tube amplifiers.

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Old 24th April 2010, 05:14 PM   #11
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The 200W EI 96 x 50 power transformer provide enough energy for KT66 SE amplifier.

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Old 26th April 2010, 04:22 PM   #12
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This is NOS Chinese Shuguang 5Z3P rectifier which is very similar to 5U4G. It is one of my collection of rectifer.

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Old 29th April 2010, 05:08 PM   #13
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Hand made output transformers, primary 3.5K ohms and secondary 4 & 8 ohms.

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Old 30th April 2010, 04:37 PM   #14
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Aluminum knobs in matt gold finishing.

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Old 30th April 2010, 04:43 PM   #15
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Another good job from Thomas.

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Old 2nd May 2010, 03:14 PM   #16
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Fortunately, I bought this NOS vintage British made TCC Metalpack 0.25uF capacitors which are very good for using at coupling stage.

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Old 6th May 2010, 08:10 AM   #17
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Re

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Old 6th May 2010, 03:20 PM   #18
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The cathode capacitors using in the amp is Philips BC 100uF/100VDC. This small blue cap is very good for using at cathode in tube amps. The sound of Philips BC is natural and balanced.

All the resistors are 1% metal film resisitors at 2W.
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Old 7th May 2010, 02:37 PM   #19
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German M-cap 35uF+35uF/450V electrolytic cap is working for filter on power supply.
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Old 7th May 2010, 02:45 PM   #20
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The power tubes of this KT66 amplifer can be changed to EL34 to experience different sound on power tubes.
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