M
O D E L
R 1 0 0 - 2 1 2 A S
P E C I F I C A T I O N S
High-gain input impedance:
1 Megohm
Low-gain input impedance:
33k ohms
Output impedance:
8 ohms
Line output impedance:
330 ohms minimum
Total harmonic distortion:
5% at rated power
Bandwidth:
50 Hz to 20kHz
Preamp tubes:
Five 12AX7A
Output tubes:
Four EL-34
Tube voltage:
430 volts DC
Output power:
100 watts RMS into 4 ohms
Operating voltage:
115 volts AC or 230 volts AC (export model), or 100 volts AC (Japan only)
Speakers:
Two 12" Celestion G12T-85
Speaker impedance:
8 ohms
Speaker power handling:
85 watts
Reverb type:
Accutronics 3-spring
Footswitch functions:
Channel switching, boost for Channel 1, Ninja Boost
Height:
18"
Width:
26
1
/
2
"
Depth:
9
3
/
4
"
Weight:
80 lbs.
Cabinet material:
Solid lumber-core plywood
Cabinet thickness:
3/4"
Baffleboard:
3/4"-thick medium-density fiberboard
Construction:
Dadoed joints
Covering:
30-oz. vinyl
Cleaning of vinyl covering:
Moist cloth, dishwashing liquid
Grillecloth:
Fiberglass, fire-retardant cloth
Care of grillecloth:
Remove frame, use compressed air to blow out dust
Because we strive to build the highest-quality product, we reserve the right to change specifications of our
products without prior notice.
Channel 2
Channel 1
Hundred
Duo Twelve
PULL
SELECT
PULL
BOOST
STANDBY
POWER
LOW
GAIN
HIGH
GAIN
VOLUME
BASS
MIDDLE
TREBLE
MASTER
VOLUME
TREBLE
MIDDLE
BASS
MASTER
REVERB
PRESENCE
HANDCRAFTED BY RIVERA RESEARCH & DEVELOPMENT
SUN VALLEY, CA USA
INPUTS
PULL
BRIGHT
PULL
NOTCH
PULL
NINJA
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
10
9
8
76
5
4
3
2 1
20
19
187
PN: 310-010
