Rivera Chubster 40 Owner'S Manual Download Page 4

R Series V1.0   p 4 

have the correct power cord. Our 230-volt export unit can be used with any of these 
voltages. For Japan 100VAC models, all instructions for the 115VAC models apply. For 
some markets that experience high Mains voltages, a special 250VAC version is 
available.  

In the event that you have questions, comments, or suggestions, please contact us at: 

RIVERA 
13310 Ralston Ave. 
Sylmar, CA 91342 USA 
Phone: (818) 833-7066 
Fax: (818) 833-9656 
Internet e-mail: [email protected]  

No Time To Read This Manual? At Least Read This Part Now! 

Before you plug in: 

Take a quick look inside the back of your amp. Make sure of the following-- 

1. The tubes are securely seated in their sockets (see information on checking for loose 
tubes). 

2. The internal speaker's cord is plugged into the Speaker 1 output (this jack must 
always be used first). 

3. The power cord is plugged in. 

4. The FS-7 footswitch is plugged in (this is optional). 

Now look at the front to make sure: 

1. The Volume and Master controls are set at low levels (2 is a good starting point). 

2. The Power switch is off (the lower half is pushed in). 

3. The Standby switch is set to standby mode (the lower half is pushed in-not applicable 
for the R30). 

Plug

 

in

!

 

Now plug the amp into the wall, plug your guitar into either input jack, and set your 
controls to one of the Quick Start settings outlined here. Then turn on the Power switch. 
Wait for about a minute for the tubes to warm up. Turn on the Standby switch. Now it's 
time to rock. 

After you've played with your Rivera for a while, check out the rest of the manual for 
some good tips on getting the most out of your amp. 

Summary of Contents for Chubster 40

Page 1: ...R Series V1 0 p 1 R SERIES OWNERS MANUAL Version 1 0 July 2002...

Page 2: ...the best sounding most reliable amplifiers anywhere That s why we use only the highest quality components regardless of price Such features as metal jacks ultra strong dadoed cabinet construction and...

Page 3: ...erviceable parts inside of this amplifier Warning To avoid the risk of shock or fire do not expose this amplifier to moisture Do not remove the chassis from its cabinet or remove metal covers from cha...

Page 4: ...g for loose tubes 2 The internal speaker s cord is plugged into the Speaker 1 output this jack must always be used first 3 The power cord is plugged in 4 The FS 7 footswitch is plugged in this is opti...

Page 5: ...VOLUME TREBLE MIDDLE BASS MASTER REVERB TO TASTE PRESENCE BRIGHT NOTCH PULLED PULLED NINJA BOOST SELECT PULL PULL PULL PULL PULL 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 1 0 1 2 3 4...

Page 6: ...1 2 3 4 5 6 7 8 9 1 0 1 2 3 4 5 6 7 8 9 1 0 INPUTS VOLUME BASS MIDDLE TREBLE MASTER VOLUME TREBLE MIDDLE BASS MASTER REVERB PRESENCE STANDBY POWER RIVERA RESEARCH DEVELOPMENT SYLMAR CA USA HANDCRAFTED...

Page 7: ...ster as a sort of governor that sets the maximum loudness for the channel Also think of it as the second half of what the Volume knob does With the Volume turned down and the Master up there s less di...

Page 8: ...the best description of its influence over the tone is that it thickens it Reverb In the tradition of classic amps your R Series amp is equipped with a spring reverb Its single knob operation controls...

Page 9: ...ODEL HUNDRED DUO TWELVE RIVERA RESEARCH DEVELOPMENT CORP SYLMAR CALIFORNIA USA LINE OUT 560 Z IN 250K Z OUT 560 FOOTSWITCH USE FS 7 ONLY RETURN RETURN LEVEL LEVEL SEND SEND EFFECTS LOOP TOTAL MINIMUM...

Page 10: ...and high voltages to dissipate HT Fuse Chubster 55 Suprema R55 112 and R100 212 The power amplifier circuit has its own fuse for protecting the output section from short circuits and transient current...

Page 11: ...Suprema R55 112 A speaker must always be connected to your Fifty Five Twelve whether it s the internal 12 speaker or an extension speaker cabinet The amp is designed to deliver at least 55 watts to a...

Page 12: ...itry is sent from this jack Use a shielded cord connected between the R Series amp s Line Out and the input to a second amplifier check that amp s manual it may recommend a specific input The Line Out...

Page 13: ...gned to provide a solid signal that s just right for most line level effects Note The Preamp Out can be used to route a signal to a guitar tuner The Patch section comes after the preamp and reverb sec...

Page 14: ...t can drive long cords and line level gear and mixing consoles Because the signal is electrically unbalanced you can use an unbalanced to balanced output transformer to connect to equipment requiring...

Page 15: ...uo Twelve are specially designed Celestion 12 G12T 75 or G12T 85 models with at least a 75 watt power handling capacity They were selected for their classic tone and ability to deliver lots of volume...

Page 16: ...tension cabinet Suprema Chubster 55 R55 112 WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE LINE OUT 560 TOTAL MIN Z 8 55 W RMS SPEAKER JACKS IN P...

Page 17: ...utput is connected to the Hundred Duo Twelve s internal speaker Driving two speaker cabinets R100 212 only WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR...

Page 18: ...IRST SPEAKER 1 SPEAKER 2 TO SPEAKER CABINET SPEAKER MUST BE CONNECTED Z IN 250K Z OUT 560 RETURN RETURN LEVEL LEVEL SEND SEND EFFECTS LOOP PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL 1 2 3 4 5...

Page 19: ...0 212 WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE LINE OUT 560 TOTAL MIN Z 8 55 W RMS SPEAKER JACKS IN PARALLEL USE FIRST SPEAKER 1 SPEAKER 2...

Page 20: ...ne to the Power Amp In or Effects Loop Return of a second amp Placing a signal processor in the effects loop Suprema Chubster 55 R55 112 and R100 212 INPUT OUTPUT Z IN 250K Z OUT 560 RETURN RETURN LEV...

Page 21: ...high voltages inside the amp plus if you do something that causes even more damage than when you started out the person who does the real repair will probably tell you Hey I know what s wrong Somebod...

Page 22: ...ore you play turn the amp on and set it to standby so that all the parts can get warmed up and stable Once the amp s nice and warm 5 or 10 minutes flip the Standby switch and get busy on your guitar D...

Page 23: ...xpectedly R55 112 Chubster 55 Suprema 1 Follow the seven steps in the There s no sound section 2 Turn off the amp and wait 25 minutes before turning it on again An internal thermal protection circuit...

Page 24: ...ubes They re great sounding and reliable and it s easy to find replacements Here are tube charts to show you which tubes go where Chubster 40 R30 112 V1 V2 V3 V4 V5 V7 V6 Location Type V1 12AX7 V2 12A...

Page 25: ...ia Reflector Sovtek in Russia JJ Tesla in Slovenia and a factory in China NOS New old stock supplies from various other factories are still available albeit in short supply Out of all that are current...

Page 26: ...and gain balance similar to running Chinese 12AX7 s R100 212 V1 V2 V3 V4 V5 V7 V6 V9 V8 Location Type V1 12AX7 V2 12AX7 V3 12AX7 V4 12AX7 V5 12AX7 V6 EL 34 V7 EL 34 V8 EL 34 V9 EL 34 Here s a brief de...

Page 27: ...or sustained ringing Turn up the Volume and Master knobs and keep tapping until you find the tube that rings or squeals Turn off the amp and allow the tubes to cool Now pull out the troublesome tube a...

Page 28: ...lows or the tube glows cherry red indicating an internal short you ve found the bad tube Turn off the amp immediately If the fuse doesn t blow replace the second tube and turn the amp on again 3 When...

Page 29: ...volts AC Japan only Speaker One 12 specially designed Celestion Speaker impedance 8 ohms Speaker power handling 55 watts Reverb type Accutronics 3 spring Footswitch functions Channel switching Boost f...

Page 30: ...Vintage 30 or optional G12 T75 Speaker impedance 8 ohms Speaker power handling 75 watts Suprema is 70 Watts Reverb type Accutronics 3 spring Footswitch functions Channel switching boost for Channel 1...

Page 31: ...g Vinyl Cleaning of vinyl covering Moist cloth dishwashing liquid Grillecloth Fiberglass fire retardant cloth Care of grillecloth Remove frame use compressed air to blow out dust Because we strive to...

Page 32: ...ed or broken tubes incorrect line voltage improper maintenance modification or repair for the user abuse misuse neglect accident fire flood or other Acts of God 5 This warranty shall not apply to any...

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