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The single-ended 6EM7 amplifier is housed in a vertical wooden chassis that has been styled after early vacuum tube equipment of the 1920s.The 6EM7 SET amplifier uses a 6CA4 tube rectified power supply with excellent channel separation and which is very quiet.The sensitivity of the FE206En driver is greater than 96 d B / 1W / 1m, so the rear-loaded horn speakers are very well suited for use with very low power tube amplifiers.Mark reports that the horn speakers can draw an extremely accurate soundstage, sound excellent and have lead to a whole new listening experience with Paris, a 2.5W 6EM7 SET amplifier.Fostex FE206En in Back-Loaded Horn Speaker Cabinets - 1 September 2014 Once again Mark tries on the Fostex FE206En high sensitivity fullrange driver, but this time the end result is a large elaborate back-loaded horn loudspeaker.The speaker cabinet plans are from the FE206En driver datasheet.At full output the amp produces a clean 1.3 Watts output per channel into 8Ω.

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Australian beeswax is used on the outside of the horn cabinet and heavy cedar oil was applied to the mouth of the horn.If you have a DIY Audio Project that you would like to share with others through this site, or if you have any comments, contact us or post a message on the DIY Audio Projects Forum.Questions about a specific projects can be sent to the project author noted at the top of the project page.The MC pre-preamp kit consists of a PCB, standoffs, the circuit parts and building instructions.The builder will need to provide a 12-24VDC power supply, an enclosure and miscellaneous hardware like connectors and switches.

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