Chapter 5; Specifications - VTL MB-125 Owner's Manual

C H A P T E R 5

Specifications

MB-125 Monoblock power amplifier
Vacuum Tube Complement
Output Power
20 Hz – 20kHz, into 5 ohm load
T.H.D. 20 Hz – 20 kHz @ 125W
T.H.D. 20 Hz – 20 kHz @ 60W
Input Sensitivity @ 125 W
Input Impedance
Optimum Load Range
S/N Ratio @ 125W, tetrode
S/N Ratio @ 60W, triode
Power Consumption
Primary Mains Fuse Rating
B+ Fuse Rating
Dimensions
Weight
MB-125 Owner's Manual
VTL
4 x EL34, 2 x 12AT7
Tetrode = 100 Watts
Triode = 50 Watts
Tetrode: < 3%
Triode: < 3%
700mV
145,000 Ohms
2 - 8 ohms
-95dB, 120 Hz
-95dB, 120 Hz
Idle = 100 W
Full Power = 300 W
100/120V = 6A Ceramic Slo Blo
220/ 240V = 3A Ceramic Slo Blo
0.75A fast acting ceramic
W = 16 inches (40cm), D = 12 inches
(30cm), H =7 inches (18 cm)
42 lbs (22Kg) per monoblock {total 45 lbs
(25 Kg) packed}
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