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Pioneer
M-22
(1976 - 1980+)
The
Pioneer M-22 is the original power amplifier from the
Series 20
: old style Class A with no
circuit trickery or audiophile touches - except where it really
counts : power transformers, capacitors, resistors, chassis and
ground paths. The M-22 is a sound bolid.
"Open-guts"
style with massive diecast heatsinks and chassis, four 33,000µF
caps (!), full dual-mono layout. If you don't mind having loudspeaker
cables running in front of your rig... not very tidy. But if you
have an M-22 just for its sound
qualities... all's fine : good-looking box that acts as room-heater
on the side and ultimately makes wonderful music.
A
real M-22 here
; it should be noted that Pioneer in Japan (like Luxman
or Victor)
still services its entire production of high-end audio :
from the late 1960s to the late 1990s !
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