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Author Topic: IBM Headphone Amps  (Read 1313 times)

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Offline y11971alex

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IBM Headphone Amps
« on: Wed, 03 August 2016, 13:31:54 »
Recently I bought a mini-amp with vacuum tube for my HD700 headphones of Sennheiser.  The stock tube was serviceable but not ideal, so I've been looking at replacement tubes available for a reasonable amount of money, and I came across this:

http://www.ebay.ca/itm/GE-6211A-five-star-VINTAGE-SINGLE-TUBE-BRANDED-IBM-252551-long-life-12AT7-12AU7-/400816548372?hash=item5d52872a14:g:BOUAAOSwj0NUe4YB

I'm known in the neighbourhood for my proclivity for IBM keyboards, and now I'm considering installing an IBM tube on my amp.  IBM should really send me a badge or something like that.  :D
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Keyboards owned: IBM Selectric | 3278 | 3101 | 5251 | Model F XT | AT | 122 (6110344) | Model M 1390120 | 1390131 | 1391472 | 1392464 (DisplayWriter SSK) | 1395100 (SSK) | Honeywell RD IBM 09F4230 | Leading Edge DC-2014 (Blue Alps) | Chicony 5891 (Monterey Blue) | E&E-101 (KPT Blue) | BTC 5100 | 5100C | 5369 | DEC VT100 (Hi-tek Linear) | Burroughs TP109 (Hall) | Realforce 87 (55g)

Keyboards wanted: IBM Model F 104 (Unsaver) | Model M 1391401

Offline tp4tissue

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Re: IBM Headphone Amps
« Reply #1 on: Wed, 03 August 2016, 13:44:34 »
This will increase your WPM for sure.
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Offline xtrafrood

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Re: IBM Headphone Amps
« Reply #2 on: Wed, 03 August 2016, 17:53:45 »
So the Vacuum Tube is made by General Electric but branded for use in the older IBM systems?


http://vacuumtubesuperstore.com/ibm.html
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