Asano, MJ and Stereo Sound Tube Kingdom
|Asano -- Volume 1 and 2|
Isamu Asano (1914-1981) was a banker who built amplifiers as a hobby. His projects were compiled in these two volumes.
A 3 stage RC coupled 27>27>45 SE amp.
A single-ended Western Electric 205D triode driven by two stages of type 56 triode.
Mr. Asano also contributed articles to MJ.
|MJ - Audio Technology|
MJ articles cover vacuum tubes all the way to the latest in digital technology.
Some issues may feature a listening room or two...
or even a recording session
|Stereo Sound Tube Kingdom|
Issue No. 3, 1996
This was the source of inspiration for my Open Baffle project.
The Altec 618 2 cubic foot sealed cabinet for the 755A
A Japanese DIYer's take on a Western Electric SE104 amp
Western Electric 753C speaker system: Jensen 15" woofer and WE32 horn + WE713A compression driver
A couple of featured listening rooms
Speaker system: Jensen EP807 bass reflex cabinets loaded by WE TA4194A woofers, KS6373 horns with WE555 drivers with tungar PS for the field coils
Turntable: EMT 927st
Speaker system: 2x755A in flat baffles with auxilliary Jensen cone tweeters driven by Altec 127 amps fed by 2 x Altec 1567A preamps. Sources: Thorens TD521s turntable and Accuphase DP70 CD player
Field coil speaker system powered by Tungar PS: Altec VOT 825 bass bins loaded by Magnavox 15" woofers, WE555 + WE3 horns and Kanno 597 (WE clone) horn super tweeters
Ampifier: Western Electric 118A (PPP 6L6)
Preamp: Western Electric RA1214
Turntable: Rek O Kut 16" turntable with Ortofon RMG309 + Gray 108 tonearms
This level of quality does not come cheap and depending on the exchange rate, an issue can cost anywhere between US$30-$50. But it's invigorating to sense the innate passion of Japanese culture by thumbing through the pages.