View Full Version : Name That Amp Game
kd8dey
03-23-2011, 07:20 PM
Just for giggles
Name all of the ham amp models/manufacturers (Past or present) that used the 572B
( bonus points if you can name that Japanese amp that used 6x572b :) )
WØTKX
03-23-2011, 07:27 PM
Well, it's only 2x572, but I'll start with this one. Because I can. :lol:
http://www.soundstage.com/revequip/pics/wyetech_topaz572b.jpg
Yaesu FL2100B/F/Z
Cubic 1500ZA/ZR
Ameritron AL-572
Heathkit SB200/201
Dentron Clipperton/Clipperton-L
kd8dey
03-23-2011, 07:35 PM
Well, it's only 2x572, but I'll start with this one. Because I can. :lol:
http://www.soundstage.com/revequip/pics/wyetech_topaz572b.jpg
Model / manufacturer? :)
WØTKX
03-23-2011, 07:47 PM
It's in the picture's url linky when you quoted it... but sure.
Wyetech Labs 572B "Topaz" Stereo Amplifier (http://www.soundstage.com/revequip/wyetech_topaz572b.htm)
:lol:
Yaesu FL2100B/F/Z
Cubic 1500ZA/ZR
Ameritron AL-572
Heathkit SB200/201
Dentron Clipperton/Clipperton-L
There was a collins with 4 572's as well. There are a few more, I just can't think at the moment
There was a collins with 4 572's as well. There are a few more, I just can't think at the moment
The Collins 30L-1 was designed for 811A's, but a direct substitute of 572B's was not uncommon. Higher plate dissipation, so you'd theoretically get longer life with the sub. But unless you redesigned the amp for a higher plate voltage, you don't otherwise get much out of it.
WØTKX
03-23-2011, 10:01 PM
Audiophoolery is funny stuff. Though I bet that amp sounds great, the speakers they used to evaluate it are just nutso!
Back "on topic" Linear AMP (UK) Challanger III (http://www.hamradio.co.uk/acatalog/info_806.html)
WØTKX
03-23-2011, 10:02 PM
Audiophoolery is funny stuff. Though I bet that amp sounds great, the speakers they used to evaluate it are just nutso! Back "on topic"... Linear AMP (UK) Challanger III (http://www.hamradio.co.uk/acatalog/info_806.html)
4x572
Here's one for ya:
http://www.youtube.com/watch?v=zB8cVwZyVmc
kd8dey
03-23-2011, 11:49 PM
Audiophoolery is funny stuff. Though I bet that amp sounds great, the speakers they used to evaluate it are just nutso! Back "on topic"... Linear AMP (UK) Challanger III (http://www.hamradio.co.uk/acatalog/info_806.html)
4x572
All those links list the russian 35 tube.....
WØTKX
03-24-2011, 12:41 AM
Oopsie, wrong linky... LINEAR AMP Ranger 572B (http://www.hamradio.co.uk/acatalog/info_444.html)
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