Ampeg v 6b service manual

Page 1

AMPEG. RVICE MANUAL

. van XMPEFIEE

VGB AMPLIFIER SPECIFICATIONS

Power Output:

240 watts RMS minimum continuous at less
than 0.3% total harmonic distortion (T.H.D.)
into a 4 ohms load over the 20 to 20,000
Hertz band; 160 watts into 8 ohms.

Front Panel:

Two inputs

Volume control, bass, midrange and treble
controls, and ultra-hi switch

Power switch
Pilot light

Rear Panel:
Two speaker jacks (wired in parallel)
Patching jacks (in and out)

Tone Control Range:

Treble :17 dB @ 10,000 Hertz

Bass :20 dB @ 40 Hertz

Midrange :20 dB @ 300, 800 or 3,000 Hertz
Ultra-Hi +12 dB @ 8,000 Hertz

Signal to Noise Ratio (SIN):

-90 dB below full power

Frequency Response (1 Watt):
:1 dB 20 to 20,000 Hertz

Sensitivity/Input Impedance:

Input sensitivity for high gain jack is .011
volts for full power.

Patching Facilities:

Power amplifier input jack is high impedance
and 0.28 volts produces full power.

Power module:

Complete circuit self-protection is provided by
automatic variable power programmed
limiting. Shorted, mismatched or open loads
have no adverse effect.

Power Supply Requirements:

Power consumption at rated output is 383
watts maximum.

Dimensions:

24" W x10.6" H x13 D.

60.9 cm. x 27 cm. x33 cm.

Weight:
53 pounds (24 Kg.)

VGB SPEAKER ENCLOSURE SPECIFICATIONS

Power Handling:
240 watts RMS per enclosure

Impedance:
4 or 16 ohms selectable

Enclosure Design:
Active ducted port

Speaker Complement:
Two 15" speakers

Dimensions:
26.7" W x 40.3" H x 15.1 " D.
67.9 cm. x 102.4 cm. x 38.3 cm.

Weight:
118 pounds (54 Kg.)