Tube amplifier |
Speaker system and etc |
Nov. 10/2013 I made a Bass reflex speaker box. The speaker is 12cm, TS-1622 of the PIONEER. Page of how to make |
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It enshrined in the audio room. It is small but bass that was refreshing appears. because of the vacuum tube amplifier. |
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Sep. 1/2013 I bought 40 years ago the speaker of Coral.I have replaced it because it is scratched. |
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1.New speaker FF225WK of FOSTEX. I bought in Yodobashi.com. It is 19,400 yen in two. |
2.It is a careful packing. |
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3.Modifications of the duct of the enclosure. The design software of the duct which I made with Excel, and Calculate the diameter and length of the duct. And, Shorten the duct to match.design software |
4.Close in the cedar of 20mm unnecessary duct port. Also, decide to get the mounting plate of donut-shaped hole in the mounting of the speaker. |
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5.Colored in cedar board. |
6.This is the front cover of unnecessary duct port.This is the case of the tweeter I was using Ancient. |
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Bass is great. I think it was matched to the vacuum tube amp, and a good speaker. |
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Aug. 12/2013 |
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I set up a speaker and amplifier in the spare room of 6 mat room. I think that is very good feeling nostalgic. |
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1.Speaker FLAT-8S of CORAL company bought in 1970. Have a stain in the cone. Because , I was keeping in a storeroom for nearly 40 years. Cone of high regions is partially damaged. |
2.I've repaired with wood glue. |
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3.Switch system. I can toggle this preamplifier, main amplifier, the speakers. |
4.2WAY crossover network. This use different amp bass and treble. |
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5.4ch synthesizer. |
6.Vacuum tubing that came out of the storeroom. It's a valuable asset to me. |
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