The Ampeg V-4B 100W All-Tube Bass Head is a remarkable reissue of the legendary 1971 original, delivering the pure tube tone and unmistakable grind that earned the classic a place in bass history. And with a careful selection of modern features, the V-4B provides Ampeg all-tube tone in a portable design perfect for today’s players. Features AN ALL-TUBE LEGEND. Vintage tone, rocker switches and chassis suspension system THE BEAUTY OF 100 TUBE WATTS. Pure Ampeg tube tone at half the weight of an SVT head THE RIGHT CHOICE OF MODERN FEATURES. Integrated DI, multiple speaker outs and more Specifications Preamp: Tube (2 x 12AX7) Driver Tubes: (1 x 12AX7, 1 x 12AU7) Power Amp: (4 x 6L6GC) RMS Power Handling: 100 Watts RMS Speaker Outputs: 1 x 8 ohm, 2 x 4 ohm, 2 x 2 ohm Tone Controls: 3-band Mid Tone Control: 3-position rocker switch Ultra Hi/Lo: Yes -15 dB Input: Yes Balanced Line Out: Yes Preamp Out / Power Amp In: Yes Slave Output: Yes Dimensions (W x H x D inches): 24 x 11 x 11 Weight: 41 Pounds Watch: Ampeg Classic V-4B | Sound Clips