Product Description | Year Released | List Price | Average Price | Pricing Trend | Number Tracked | Resale Popularity | 100/CL Pittbull Amp | | | $1,239 | ![](/graphics/TrendDown.gif) | 29 | ![](/graphics/Popular3.gif) | 2/50/2 Tube Power Amp | | | $771 | ![](/graphics/TrendDown.gif) | 61 | ![](/graphics/Popular2.gif) | 2150 Tube Power Amp | | | $902 | ![](/graphics/TrendDown.gif) | 53 | ![](/graphics/Popular2.gif) | 50/CL Pittbull Amp | | | $1,045 | ![](/graphics/TrendUp.gif) | 35 | ![](/graphics/Popular4.gif) | Valvulator Power Supply and Tube Buffer | | | $164 | ![](/graphics/TrendDown.gif) | 142 | ![](/graphics/Popular2.gif) |
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