Ampeg v 4 vt 22 service manual
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Page 1
AMPEG . SERVICE MANUAL
V4/VT22 AMPLIFIER
V-d AMPLIFIER/VTZZ SPECIFICATIONS
Power Output'
IOO watts RMS minimum continuous at less
than 3% total harmonlc IIISIortInn (T H D l
Into a 2, 4 or 8 ohm lotrd over 20 to 20000
Hertz bandwidth
Front Panel:
Two inputs
Two volume controls
Bass, midrange and treble controls
TWODOSIIIQH ultrarhr switch
Reverb control
Power switch
Standby switch
Red pilot light
VT22
Amber standby light
Rear Panel: v4
Impedance selector switch (2 4 8 ohmsl
Two speaker output packs V4 Weight
Patching racks 64 pounds 29 Kg I
HumAbalance control VT22 Weight:
Tone Control Range. 88 pounds (40 Kg I
Treble :12 dB @ 4,000 Hertz V4 Dimensions:
Bass :12dBI@4OHertz 266"Wx9.7Hx|11'D
Midrange r 20 dB @3 300. 800 or 3.000 Hertz 67 6 cm. x 24 7 cm x 28 3 cm
UIIUVEPIHim 12 (:rB [@3 329"? Hertz lrlependent VT22 Dimensions:
0 0 ammo) 268"Wx23"Hx111D
Signal to Noise Ratio (SIN): 67 6 cm x 58 4 cm x 28 3 cm
~80 dB below full power
Frequency Response (1 wattl' v-a SPEAKER ENCLOSURE SPECIFICATIONS
:1 dB 20 to 20,000 Hertz ____-
-
Sensitivity:
Power Handling:
Channel I and 2 Input sensrtvvitv IS 011 130 watts RMS per enclosure
volts for lull power
Impedance.
Patching FacilitieS' 8 ohms.
Power amlpifier input Iack IS hIgh impedance . .
('25 volts for 100 watts) Enclosure Desngn. .
Totally sealed aIr suspenSIon
I R ' : '
Power Supp V equrrements Speaker Complement:
Power consumptron 280 watts at rated output Four 12.. speakers
VT22 Speaker Complement:
.. Weight:
Two 12 speakers 90 pounds (40 8 Kg I
VT22 Enclosure Design: Dimensions:
Front mounted speakers in open back 27" W x 30" H x 14" D
enclosure. 69 cmt x 76 cm, x 36 cm