Knucklehead reverb 1.0 p 1 owners manual version 1.0 december, 2001.
Knucklehead reverb 1.0 p 2 introduction your rivera amp is an important part of your sound your sound is your signature, your mark, your voice. An amp only deserves to have your guitar plugged into it if it can deliver the tone you want—and, of course, the dependability you need. It's as simple as t...
Knucklehead reverb 1.0 p 3 packing information unpacking before you plug in, inspect your knucklehead reverb amp for any damage. Your amp was inspected and sound-tested before shipment, but transportation can sometimes be tough. Check that the head master midi controller and power cord have been shi...
Knucklehead reverb 1.0 p 4 you have the correct power cord. Our 230-volt export unit can be used with any of these voltages. For the united kingdom, south africa, australia, and new zealand, we build a special 250v version able to handle higher mains voltages. For japan 100 vac models, all instructi...
Knucklehead reverb 1.0 p 5 quick start settings if you're looking for a good starting point, try these settings. Remember that every guitar and speaker cabinet sounds different, so try both inputs, and adjust the focus and presence to suit your taste. These diagrams include settings for the subwoofe...
Knucklehead reverb 1.0 p 6 clean deluxe – use low gain input push push pull pull pull boost pulled pulled pulled pulled middle treble gain notch bright contour channel 1 master bass 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 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 pull hi-pass ...
Knucklehead reverb 1.0 p 7 new metal crunch – use high gain input boost push pull push pull scoop channel 3 master 3 hi-pass power amplifier presence focus sub level treble middle bass gain 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 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3...
Knucklehead reverb 1.0 p 8 gain (with channel-select push-switch) the gain knob regulates the preamp's volume and works with the master to set the level and distortion amount. A simple rule of thumb is, the higher the gain is set, the more distortion you get. Treble (with pull bright switch) this tr...
Knucklehead reverb 1.0 p 9 gain (with channel-select push-switch) although it's labeled "gain," this control does a lot more than determine how loud channel 2 is. It regulates the preamp's volume and works with the master to set the level and distortion amount. A simple rule of thumb is, the higher ...
Knucklehead reverb 1.0 p 10 sub level output (with high pass pull-switch) this control is a rivera exclusive feature. This control varies the output level of the sub woofer output circuitry the feeds a full range low source impedance signal to sub woofer output jack (see rear panel features) to an e...
Knucklehead reverb 1.0 p 11 rear panel return send send level caution: no user serviceable parts inside. Refer servicing to qualified personnel. Z out 560 Ω z out 560 Ω z out 560 Ω total min. Z 4 Ω z in 250k Ω return level impedance selector speaker 2 high low serial number caution: chassis surface ...
Knucklehead reverb 1.0 p 12 midi cables for the special combo connector even though the midi specification only defines three pins, most manufacturers of midi cables provide all five wires. This means that most normal midi cables will work correctly in the special connector. However, if you find a m...
Knucklehead reverb 1.0 p 13 the midi channel selector switch 8 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 the knucklehead uses a rotary switch to select the midi channel. It is a high quality switch, and is much easier to use than the dip switches used by some manufacturers. Unfortunately, it is numbered i...
Knucklehead reverb 1.0 p 14 how far do you have to walk to get to your own house? Since you are already standing in front of your house, you have to walk zero house units away. Zero is the starting point, you move from zero some number of units. Programmers frequently deal with lists of things. The ...
Knucklehead reverb 1.0 p 15 the effects loop comes after the preamp section. In addition, it's low-impedance circuitry lets you drive everything from the simplest stomp-box effect to the most sophisticated pro signal processor with excellent results. It's also fully buffered, meaning that it can dri...
Knucklehead reverb 1.0 p 16 sub woofer output jack this jack is primarily designed to drive a powered subwoofer. The signal produced at this jack has all of the eq from the preamp, but no effects. Its level is controlled by the sub level control on the front panel. It is not low-pass filtered! It pr...
Knucklehead reverb 1.0 p 17 warning: the knucklehead is designed and rated to drive loads of 4 ohms and greater. If you use a speaker combination whose impedance is between 2 and 4 ohms, the amplifier may overheat. Under no circumstances ever use a load lower that 2 ohms!. Warning: loads that are no...
Knucklehead reverb 1.0 p 18 power output switch between the use of the high power/low power positions in combination with the use of the vintage-modern switch, 4 different output voltages can be accessed: 100 watt versions power output modern vintage high 100w 50w low 25w 12w 55 watt versions power ...
Knucklehead reverb 1.0 p 19 mains fuse this ac line fuse protects your amplifier from damage due to shorts, momentary surges, and defective power tubes. In the event of a fuse failure, always replace it with the same type of fuse. For 100vac 55 versions, the mains fuse is: 3 amp, 250 volt slo-blo ty...
Knucklehead reverb 1.0 p 20 mains input your knucklehead reverb has a detachable power cord that connects to the chassis ac connector labeled mains input. Always use this cord and, in the event that the power cord requires replacement, replace it with the same type of power cord. Consult your rivera...
Knucklehead reverb 1.0 p 21 midi control overview the rivera knucklehead amp has a midi interface, and many functions can be midi controlled. The amp responds to midi program change commands only. It can be controlled by the rivera head master foot operated midi controller or by any standard midi co...
Knucklehead reverb 1.0 p 22 midi program change charts channel 1 combinations channel boost 1 boost 2 boost 3 reverb program change fx 1 off off off off off 1 1 off off off off on 2 1 off off off on off 3 1 off off off on on 4 1 off off on off off 5 1 off off on off on 6 1 off off on on off 7 1 off ...
Knucklehead reverb 1.0 p 23 channel 2 combinations channel boost 1 boost 2 boost 3 reverb fx 2 off off off off off 33 2 off off off off on 34 2 off off off on off 35 2 off off off on on 36 2 off off on off off 37 2 off off on off on 38 2 off off on on off 39 2 off off on on on 40 2 off on off off of...
Knucklehead reverb 1.0 p 24 channel 3 combinations channel boost 1 boost 2 boost 3 reverb fx 3 off off off off off 65 3 off off off off on 66 3 off off off on off 67 3 off off off on on 68 3 off off on off off 69 3 off off on off on 70 3 off off on on off 71 3 off off on on on 72 3 off on off off of...
Knucklehead reverb 1.0 p 25 separate functions ch 1 97 ch 2 98 ch 3 99 toggle ch1 boost 100 toggle ch2 boost 101 toggle ch3 boost 102 toggle reverb 103 toggle fx 104 toggle active ch boost 105 example configurations the following illustrations will help you to properly connect your to other amps, ex...
Knucklehead reverb 1.0 p 26 note: regardless of the type or number of speaker cabinets you use, always make sure that the impedance selector is set to match the speaker cabinet's total impedance load. Driving two speaker cabinets total min. Z 4 Ω impedance selector speaker 2 100w. Rms speaker jacks ...
Knucklehead reverb 1.0 p 27 running two amps in parallel without a y-cord inputs from guitar high gain low gain inputs high gain low gain the preamp and output amp sections, as well as all controls, function normally in this setup. Use a shielded cord. Note: make sure that at least one speaker cabin...
Knucklehead reverb 1.0 p 28 other approaches: if you are using the effects loop for effects, try the sub output. If you are also using a subwoofer, try the recording output if the second amp is a separate power amp or has power amp inputs, you can use them instead of the effects return. Placing a si...
Knucklehead reverb 1.0 p 29 using a stereo signal processor with two amps right output left output input return send z out 560 Ω z in 250k Ω return level loop blend push loop effects loop 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 master plug your guitar here stereo effect slave return send send leve...
Knucklehead reverb 1.0 p 30 sending a direct signal to p.A. Or recording gear z out 560 Ω total min. Z 4 Ω impedance selector speaker 2 100w. Rms speaker jacks in parallel speaker 1 use first to speaker cabinet recording output 8 4 16 line input using a shielded cord, connect the 's recording out to...
Knucklehead reverb 1.0 p 31 care and troubleshooting don't monkey with it chances are, you bought your rivera amp to make your guitar sound great, not to improve your skills with electronics. What we're saying is, "if something ever goes wrong with your amp, don't try to fix it yourself." there are ...
Knucklehead reverb 1.0 p 32 clean your amp once in a while. You can use a damp but not wet cloth, or one moistened in a weak solution of dishwashing detergent and water to wipe off grime, dried pepsi, beer, and whatever else accumulates on the vinyl covering. If you use gaffers or duct tape to hold ...
Knucklehead reverb 1.0 p 33 note: on semko-ce 230/250-volt models, there are two additional t 1.6a (250-volt slo-blo type, 5mm x 20mm) fuses and one t 10a (100 watt version) or one t 8a (55 version) (250-volt slo-blo type, 5mm x 20mm) fuse located internally. These protect the amp's output tube fila...
Knucklehead reverb 1.0 p 34 here's a brief description of what each tube does: v1 input buffer and tone control driver for channel 1, and also the first preamp stage of channel 2 and channel 3 v2 tone control follower for channel 1 and an additional gain stage for channel 2 and channel 3. V3 third g...
Knucklehead reverb 1.0 p 35 turn off the amp, and allow the tubes to cool. Now pull out the troublesome tube and replace it with one of the same value (that is, if you're pulling out a 12ax7, replace it with a 12ax7). Make sure that the tube is oriented correctly when pulling it out or putting it ba...
Knucklehead reverb 1.0 p 36 when the tubes have cooled, remove them. Replace all power tubes. (don't throw away good tubes from the old set, though—save them as spares!) install the rear grille. General information about tube types. Your knucklehead reverb has been shipped from the factory with eith...
Knucklehead reverb 1.0 p 37 recently, svetlana, jj/teslalovac, and ruby chinese are in production with decent 6l6gc tubes. We use mostly svetlana, and advise you replace your 6l6gc tubes with this brand. You can use rivera matched 6l6gc duets or quartets, and replace with the same rating number (fou...
Knucklehead reverb 1.0 p 38 amplifier biasing information. All rivera amplifiers except for our 25 th anniversary model (this model is cathode biased) are class ab. These amps have a bias adjustment potentiometer located on the motherboard in the chassis. This requires removal of the chassis from th...
Knucklehead reverb 1.0 p 39 biasing instructions: bias adjustment pot test points black and white wires place amplifier on a stable surface. Remove rear tube grille on cabinet. Disconnect reverb cables plugged into the jack on the chassis surface. Remove the 8 chassis mounting bolts from the bottom ...
Knucklehead reverb 1.0 p 40 make sure that nothing is plugged into speaker jack #1. Place a appropriate load on speaker jack #2 if this is possible. If not, you will be ok as there will be no signal present. No signal of any source should be plugged into the front panel input jacks or the rear panel...
Knucklehead reverb 1.0 p 41 specifications high-gain input impedance: 1 megohm low-gain input impedance: 33k ohms output impedance: selectable, 4 ohms, 8 ohms, or 16 ohms recording output impedance: 560 ohms minimum sub woofer output impedance: 560 ohms minimum effects loop send output impedance: 56...
Knucklehead reverb 1.0 p 42 dimensions and weight height: 10" width: 27-1/2" depth: 11" weight: 60 lbs for 100 version, and 53 lbs for 55 version. Cabinet material: 3/4" and 5/8"-thick birch plywood cabinet thickness: 3/4" construction: dadoed joints covering: 30-oz. Viny cleaning of vinyl covering:...
Knucklehead reverb 1.0 p 43 warranty subject to the obligations and exclusions found below, this rivera product is warranted against manufacturing defects in material and workmanship for the period of one (1) year from the date of purchase, with the exception of tubes, which carry no warranty, and l...
Knucklehead reverb 1.0 p 44 territory. Also, the warranty term and conditions may be different from those stated above. Please contact the rivera distributor or dealer in your country for more information. 7. The foregoing is in lieu of all other expressed warranties, and rivera does not authorize a...
