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ProLogue Three

Home > Tube > Legacy Models > ProLogue Three

The ProLogue Three is a dual mono vacuum-tube pre amplifier, hand-made with the finest point to point wiring where necessary, using workmanship that is equal to or better than any product you can buy at any price.

The pre amplifier is built using finest premium parts. Seperate toroidal transformers for left and right powersupplies. Ceramic tube sockets. ALPS volume control. Nichicon, Solen and Swellong capacitors. Gold plated heavy duty panel mounted input and output jacks. It is enclosed inside a heavy gauge steel, fully vented chassis with five coats of finish. Each coat hand rubbed and polished.

Softstart circuit for extended life of sensitive components, plus a reduced chance of tube failure from thermal shock.

Frequency response 4Hz - 110kHz +/- 3dB
THD <0,2% at 775mVrms output
S/N Ratio >93dB(A) ref 775mV
Input Impedance 100 kOhm
Input Sensitivity 150mV for full output power when coupled to ProLogue Four or Five
Output Impedance 2800 Ohm
Maximum Gain 12dB (4x)
Power Consumption 46W
Net Weight 23.5 lbs / 10.6 kg
Shipping Weight 27.9 lbs / 12.7 kg
Dimensions 15.5"x11"x7.5" / 395mm x 280mm x 190mm (L x W x H)
Shipping Dimensions 18.3"x15"x12" / 465mm x380mm x 305mm (L x W x H)
Inputs 4 pairs RCA
Outputs 2 pairs RCA (main); 1 pair RCA (tape)
Tube Complement 2 x 5AR4, 2 x 12AX7, 2 x 12AU7

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