Ampeg PF-500 Portaflex, Bass Head, Power: 500W into 4Ω, 300W into 8Ω, Dual JFET precursor, Class D amplifier, Variable compressor, Controls for gain, bass, mid, treble and volume, Mid-tone control: 5-position, Ultra hi/lo boost, Balanced direct out (XLR), Pre / post EQ option, -40 dB pad, Ground lift, FX loop with adjustable mix, switchable per foot, Audio in (for practice, e.g. with MP3 player), Headphone out, 15dB input pad, Mute (switchable per foot), Power amp in, Preamp out, Tuner out, Speaker outputs: Speaker Twist and jack, Dimensions (H x W x D): 76.20 x 355.60 x 279.40 mm, Weight: 5 kg
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