Manley Purist Owner's Manual download pdf (Page 3)

INTRODUCTION

THANK YOU!...

for choosing the Manley Laboratories "The Purist Preamplifier". Designed by David Manley, the Purist

Preamplifier uses the best available parts with the shortest, cleanest, signal path possible. This Preamp

has all the vital signal conducting electronics located near the input / output jacks with the controls

connected with long shafts. The high-current line circuit employed here is one we have develop and

refined over the years in our MANLEY Professional series. Minimalist signal path is accomplished with

a few short, wide PC traces and very little wire. The signal wire is six nines pure copper, teflon insulated

and well shielded. The signal is direct coupled through the tube stages and is only passed through one

capacitor per side -and these are premium MIT foil/film caps . The gain controls are precise conductive

plastic pots with thw main volume being a custom unit specially imported that has superior electrical and

mechanical characteristics. These controls are a large part of why this preamp has such a musical appel

similar to precision passive preamps. While passive preamps are notoriously sensitive to interconnect

cables, this preamp will be easier and probably less costly to interface due to its constant low impedance

output and high impedance inputs. Finally (but really initially) the power supply is a simple, highly

filtered, well engineed design without the reliability problems common in other high voltages

supplies.

The elegant front panel finish is a high purity plated gold that complements the electronics both visually

and in its long lasting outstanding quality. We hope you agree with us and hundreds of satisfied users

and studios around the world that this preamp really delivers. Please take a few moments to read

through this manual, there may be features and information about this preamplifier which you should

familiarise yourself with.

Thank you again, and please enjoy!

GENERAL NOTES

LOCATION & VENTILATION

The Purist Preamplifier must be installed in a stable location with ample ventilation. It is recommended,

if this unit is rack mounted, that you allow enough clearance on the top and bottom of the preamp such

that a constant flow of air can flow through the ventilation slots. We also recommend that the

preamplifier be placed at least 10 inches away from its amplifier.

WATER & MOISTURE

As with any electrical equipment, this preamplifier should not be used near water or moisture.

SERVICING

The user should not attempt to service the preamplifier beyond that described in the owner's manual.

Refer all servicing other than tube replacement to Manley Laboratories.

SPECIAL NOTES

Tubes may become loose during transit. Straighten and press down each tube before plugging the

preamplifier into the mains socket. Furthermore, do not touch the tubes after the preamplifier has been

switched on, as the tubes do become very hot during operation and should only be handled after the

power has been turned off and the tubes have cooled.

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Manley Purist Owner's Manual Page 3