Hewlett Packard Model 17503A Amp Module

ODND Vintage Audio Dreams Verified independent store

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HP Model 17503A.Not tested due to not having the correct equipment, therefore it is categorized as not working or for parts.So I'm not quite sure what it is, but it looks like ther e's a tube and a trafo in it. This makes me think it is an amplifying unit.Calibration and zero potentiometers on the frontpanel. Dimensions: 19 x 10 x 6 cmWeight: 0,7 KgSee pictures for more details.Sold as is! Show more