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mystery 5881
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Old 21st June 2008, 02:31 PM   #1
richwalters is offline richwalters
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Default mystery 5881

This unmarked 5881; Anyone got any idea who makes this ?

richj
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Old 21st June 2008, 02:56 PM   #2
KaDe is offline KaDe  Germany
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I have a set these stamped:
5881
" JoLida Tube Factory "
MADE IN RUSSIA

- manufacturer is " PAANO " when I read this russian letters right -

Klaus
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Old 21st June 2008, 03:18 PM   #3
Salas is offline Salas  Greece
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mystery 5881
It looks like Sovtek that BAT uses in preamp PSU stages for instance.
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Old 21st June 2008, 05:02 PM   #4
Rod Coleman is offline Rod Coleman  United Kingdom
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mystery 5881
Looks close to the Reflektor 6P3S-E that's been made at Saratov for decades. Sold often as the Sovtek 5881, or with Russian markings when sourced NOS or from Russia...

A 1966 portrait:
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Old 22nd June 2008, 07:04 AM   #5
richwalters is offline richwalters
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Thanks all for replies......Rod is probably the closest & probably Soviet makes. Like so many mysterious makes there is no single distinguishing feature. or is there ?
My next p-p amp project would be using double sextets (5881) in p-p using 5881's and moving away from double quads (6550) shown in the photo without top frame guard. This entails customised o/p trannies and other items.
This course is persued by Smith in the Mesa Boogie "Baron".
Amps of this class are capable of producing an incredible amount of power of exceedingly good quality.

richj
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