19
PRO-18 USER MANUAL
REV A
CHAPTER 12
ELECTRICAL SPECIFICATIONS
1.
Maximum Power Output - 27 Watts peak, 18 Watts average** under the
following conditions:
a.
Gain control fully clockwise
b.
Master Volume control fully clockwise
c.
Variable Power* control fully clockwise
d.
Reverb control fully counter clockwise
e.
Bass control at 12 O’clock
f.
Treble control at 12 O’clock
g.
Boost enabled (default)
h.
10mv input signal
2.
Power tubes: 2 X EL84 (6BQ5)
3.
Preamp tube: 1 X 12AX7/ECC83
4.
Phase splitter tube: 1 X 12AT7/ECC81
5.
Input voltage:
a.
1/- 15%, 48/1000 Hz
b.
120VDC to 200VDC
c.
The power supply is a regulated power supply that, among other
things, provides power conditioning. Do not use a Variac with this
amplifier.
