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Summary of Contents for PrimaLuna ProLogue Five
- Page 1 PrimaLuna ® ProLogue Five PrimaLuna ® ProLogue Five Power Amplifier Serialnumber...
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Page 2: Table Of Contents
Copyright Durob Audio BV - 2005. All rights reserved. Reproduction in whole or part of text, logo, graphics or schematics is strictly forbidden without permission, in writing, of Durob Audio BV The information in this manual is subject to change without further notice. ProLogue Five... -
Page 3: Thank You
We would like to thank you for choosing our PrimaLuna ProLogue Five vacuum tube power amplifier as part of your music system. The ProLogue Five is the second tube power amplifier of our family of affordable, high-quality tube products. The designers and builders of the PrimaLuna equipment all have a long history in high-end audio. -
Page 4: Specifications
Inputs Outputs Tube Complement ProLogue Five 20Hz - 85kHz +/- 0,2dB at rated power; 4Hz - 110kHz -3dB @ 1W <0,1% @ 1W; <1% @ 10W; max 2% at rated power into resistive load 15.5" x 11" x 7.5" / 395 mm x 280 mm x 190 mm (L x W x H) 18.3"... -
Page 5: Warning - Package Contents - Initial Setup
Tube Complement Main Fuse Plate Fuse Initial Setup • Carefully remove the ProLogue Five from its packaging. Use the white gloves to prevent fingerprint smudges. • Remove the tube cage by carefully pulling it up and away from the amplifier. •... -
Page 6: Inputs & Controls
Some preamplifiers invert the audio signal. In that case you might want to connect the positive(+)-wire of your loudspeaker cable to the 0 Ohm terminal of the ProLogue Five, and the negative (-)-wire to the 4 or 8 Ohm terminal; do so on both channels. When in doubt, consult the preamp's manual or ask the manufacturer of the preamp. -
Page 7: Adaptive Autobias
PrimaLuna ® ProLogue Five Adaptive AutoBias™ Exclusive to PrimaLuna, this circuit monitors and smoothly adjusts bias constantly and instantly. The genius of this design is that the Adaptive AutoBias™ actually improves the overall sound quality and performance of the amp. Between 12 and 30 Watts, measured distortion levels drop by over 40%. In addition, tubes do not have to be matched, and there is no bias (re-)adjustments needed, ever. -
Page 8: Tube Replacement
5751 is a lower gain tube than a 12AX7 and the sound will be altered. • 12AU7: ECC82, ECC802S, E82CC, 5814, 6189, CV4003 • KT-88: 6550, KT-90. You may also use EL-34, 6L6GC, 7581A and KT66 though power will drop slightly. Topview picture of ProLogue Five ProLogue Five... -
Page 9: Fuse Protection
(see picture on this page). The fuse rating is 5Amp slow blow 5 x 20mm for 100-120VAC and 3Amp slow blow 5 x 20mm for 200-240VAC . Replace with the same type and value fuse! The fuse holder can be snapped out using a small slotted flat blade screwdriver. ProLogue Five... -
Page 10: Troubleshooting
Noise/distortion coming from both channels. Tubes may be in need of replacement. Read page 8 for tube basics and replacement options. If you try these possible solutions and problems persist, contact us or your local distributor for further investigation. ProLogue Five... -
Page 11: Warranty Information
This is the maximum amount for which we are responsible. This warranty gives you specific legal rights. You may also have other rights which vary from country to country and state to state. ProLogue Five... - Page 12 If you wish to comment on your PrimaLuna ProLogue Five amplifier, please do. If you want to send us a review of your experience with the amplifier, you are more than welcome to. If you have any technical questions, please don't hesitate to contact us.
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