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SPECIFICATIONS 

Frequency Response 
 

1 Hz - 1dB 

THD 
 

< 0.1% 

Gain - Line Stage 
 

23 dB 

Rated Output 
 

1.5 V RMS 

Maximum Output 
 

50 V RMS 

Dimensions 
 

W- 18 ¼”,  H- 5 

1

/

8

”,  L- 14”  

Power Requirements 

115/230 V - 50/60 Hz 

 

 

 

 

 

 

INTRODUCTION 

Congratulations on your purchase decision! We at Rogue Audio 
truly believe that our amplifiers and preamplifiers provide the 
“smartest” value in high-end audio.  If you have never owned a 
vacuum tube preamplifier you will be thrilled by the silky-smooth 
sound and incredible detail that only a tube preamp can provide. And 
with your Rogue Audio product, you can be sure that you are getting 
the very best in tube amplification. We at Rogue Audio are 
extremely proud of our products and want you to enjoy them to their 
fullest potential.   So please, take the time to read through this short 
manual so that you can be confident that you have set up your 
amplifier properly. 

SETTING UP YOUR PREAMPLIFIER 

Tools required:

  #2 phillips head screwdriver and a clean glove 

WARNING - This preamplifier produces voltages 
that could cause injury or death. Never open the 
preamplifier while it is plugged in, and always wait 
at least one hour after turning the unit off to unplug 
and open the unit.  

Lethal

 voltages can remain in the 

electronics after the unit is unplugged 

 

1)

 

Opening the box

 - Carefully remove the preamplifier, power 

supply and remote control  from the box.  It is important that you 
retain the packing material and boxes in the event that the 
amplifier ever needs servicing.  The packing material and box 
have been carefully designed to protect your valuable equipment 
during shipping so you don’t want to throw them away!   

Rogue Ninety-Nine Owners Manual 

 

 

 

Rogue Ninety-Nine Owners Manual 

 

 

 

Summary of Contents for Ninety-Nine

Page 1: ...Rogue Ninety Nine Vacuum Tube Preamplifier Owners Manual Vacuum Tube Amplifiers Date 9 24 03 ...

Page 2: ...ABLE OF CONTENTS 1 Introduction 1 2 Setting up your preamplifier 1 3 Operating your preamplifier 5 4 Maintenance 7 5 If there s a problem 7 6 Specifications 8 7 Warranty 9 Rogue Ninety Nine Owners Manual ...

Page 3: ...ident that you have set up your amplifier properly SETTING UP YOUR PREAMPLIFIER Tools required 2 phillips head screwdriver and a clean glove WARNING This preamplifier produces voltages that could cause injury or death Never open the preamplifier while it is plugged in and always wait at least one hour after turning the unit off to unplug and open the unit Lethal voltages can remain in the electron...

Page 4: ...three gain levels to accommodate different cartridge output levels Using 12AU7 tubes in the output amplification stage the two tubes nearest the front of the unit provides an overall gain of approximately 63dB This is very satisfactory for moving magnet and moving coil cartridges with an output over 1mV In this configuration the two small switches on the phono board should be in the l setting An a...

Page 5: ...l cartridge loading can be ordered from the factory or from your local dealer 4 Connecting the power supply Carefully plug the connectors Con A and Con B coming from the power supply into the rear of the preamplifier See Figure 2 Connect the IEC end of power cord to the power supply and plug opposite end into corresponding outlet Note Be careful to ensure 3 and 6 pin sockets Con A and Con B respec...

Page 6: ...possible from any other components or cables 5 Connections to other components Connections are shown in Figure 2 The input connections for source material phonograph CD player tuner tape recorder are made via RCA jacks on the rear of the preamplifier One pair of additional auxiliary jacks is also available for line level sources approximately 1 volt A five way lug is provided for grounding the tur...

Page 7: ...s using several different recordings as not all recordings are made with correct phase OPERATING YOUR PREAMPLIFIER 1 Delays Note that the Rogue Ninety Nine is equipped with a slow turn on feature that protects other equipment from dangerous transients at turn on as well as significantly prolonging tube life This feature is provided via several timing circuits that allow the tube filaments to reach...

Page 8: ...ers the Ninety Nine preamplifier should not be left turned on when not in use To prolong tube life turn off the unit when not in use 4 Remote Volume Control The Rogue Ninety Nine is equipped with an analog remote volume control feature The volume may be adjusted manually using the knob on the front panel or by using the remote control provided Note Some noise may be heard when operating the remote...

Page 9: ... unplugged and the top cover removed This time is required for dangerous voltages to dissipate to ground 3 It is recommended that a new set of tubes be obtained from Rogue Audio If tubes are obtained from another source follow the diagram in figure 1 for tube type 4 Insert new tubes in sockets using a glove or cloth See figure 1 for locations IF THERE IS A PROBLEM 1 Check that all connections are ...

Page 10: ...S Frequency Response 1 Hz 150kHz 1dB THD 0 1 Gain Line Stage 23 dB Rated Output 1 5 V RMS Maximum Output 50 V RMS Dimensions W 18 H 5 1 8 L 14 Power Requirements 115 230 V 50 60 Hz Rogue Ninety Nine Owners Manual 8 ...

Page 11: ...e alterations modifications not authorized in writing by Rogue Audio lightening power surges or acts of God Use of any other than Rogue Audio factory parts may void this warranty This warranty does not cover the cost of parts and labor that would be otherwise provided without charge under this warranty obtained from any source other than Rogue Audio This warranty applies only to consumer use of th...

Page 12: ...tion engineering along with an overarching passion for excellence These skills will be used to create products that offer outstanding value in the high end marketplace Rogue Audio amplifiers will always be engineered to provide the four key elements of audio value superior sonics high quality and reliability an outstanding appearance an affordable price Our philosophy is simple We will never desig...

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