Adcom GFP-750 preamplifier Sidebar 1: Specifications

Sidebar 1: Specifications

Description: Solid-state, remote-control preamplifier switchable to passive attenuator/switcher. Rated main output level: 1V. Frequency response: 5Hz-85kHz, ±0.5dB. S/N ratio: >102dB, A-weighted. Input sensitivity: 183mV balanced, 365mV unbalanced. Input impedance: 94k ohms balanced, 47k ohms unbalanced. Output impedance: 1200 ohms balanced, 600 ohms unbalanced.
Dimensions: 17" W by 4.25" H by 12" D. Weight: 15 lbs.
Serial number of unit reviewed: P751DB 01896.
Price: $1250. Approximate number of dealers: 400.
Manufacturer: Adcom, 10 Timber Lane, Marlboro, NJ 07746. Tel: (732) 683-2356. Fax: (732) 683-2358. Web: .

DaveinSM's picture

I love my GFP-750, which I bought new over 13 years ago.  It's dead quiet, has had no problems, and though basic, has everything I need.  How much would I need to spend to upgrade to something significantly better?  My guess is a lot.