PrimaLuna ProLogue Three tube preamplifier & Seven monoblock amplifier Specifications

Sidebar 1: Specifications

Prologue Three: Tube line-stage preamplifier. Tube complement: two 5AR4, two 12AX7, two 12AU7. Maximum gain: 12dB. Frequency response: 4Hz–110kHz, ±3dB. THD: <0.2% at 775mV RMS output. Signal/noise: >93dB(A) ref. 775mV. Input impedance: 110k ohms. Output impedance: 2800 ohms. Power consumption: 46W.
Weight: 23.5 lbs (10.7kg).
Serial Number Of Unit Reviewed: 05060314.
Price: $1395.

Prologue Seven: Tube monoblock power amplifier. Tube complement: four KT88, two 12AX7, two 12AU7. Power output: 70W (18.45dBW). Frequency response: 20Hz–85kHz, ±1dB at rated power; 11Hz–120kHz, –3dB at 1W. THD: <0.1% at 1W, 10W; 1.5% at rated power into resistive load. Signal/noise: 101dB. Maximum gain: 28.5dB. Power consumption: 125W at idle, 225W at rated maximum power.
Weight: 37.5 lbs (17kg).
Serial Numbers Of Units Reviewed: 05100043, 05100044.
Price: $2695/pair.

Dimensions: Each: 11" (280mm) W by 7.5" (190mm) H by 15.5" (400mm) D.
Warranty: 2 years limited, 6 months on stock tubes. Approximate number of dealers: Sold direct.
Manufacturer: Dorob Audio BV, P.O. Box 109, 5250 AC Vlijmen, The Netherlands. Web: US distributor: Upscale Audio, 2504 Spring Terrace, Upland, CA 91784. Tel: (909) 931-9686. Fax: (909) 985-6968. Web:

Dorob Audio BV
US distributor: Upscale Audio
2504 Spring Terrace
Upland, CA 91784
(909) 931-9686