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THE ROGUE AUDIO MISSION... 
 
At Rogue Audio we design and manufacture vacuum tube amplifiers.  
There is fierce competition in this market and we will only survive by 
delivering a superior product and superior  service - we have the 
engineering and managerial talent to do so.  Our core competencies are 
electrical, mechanical and production 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  design any amplifier that we 
would not purchase for ourselves. 
 

 
 
 
 
 
 

Rogue Audio Inc. 

PO Box 1076 

3 Marian Lane 

Brodheadsville, PA 18322 

 

 
 

 
 

Rogue Ninety-Nine  

Vacuum Tube Preamplifier 

Owners Manual 

Vacuum Tube Amplifiers 

 

Date: 9/24/03 

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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