Maranello BT Manual – ENG - Brunetti Tube Amplification
Contents
1. Do not use solvents to clean the appliance especially on serigraphy The manufacturer declines all responsibility for any kind of damage to persons things and or animals resulting from a wrong use of the appliance The appliance conformity is proved by CE symbol on the rear side The manufacturer reserves the right to make any useful and essential change to the products without compromise the main safety and working features Do not use the appliance barefoot Do not touch the appliance with wet or moist hands or feet Do not leave the appliance exposed to sun rain humidity ecc Do not allow children or incompetents to use the appliance Do not leave inflammable materials near the appliance The appliance repair may be done during the warranty period only by the manufacturer in our laboratory or by authorized staff in conformity to the national previsions in force Control periodically all cables supplied with the appliance ifthey result damaged you have to replace them immediately with another one with the same characteristics In case of damage contact the shop where you bought the appliance Please fill out the warranty form you find on www brunetti it to validate your warranty WARNING Please refer to the manufacturer for all repairs and tubes replacement to insure the correct working of the preamplifier It does not exist service centres licensed by Brunetti Marco amp C The manufacturer decli2. in the effect before being sent to the outputs SERIAL LOOP de MIX EFX GUITAR OUT j 100 N EFFECT This connection is good for stomp effects or processors that act on the dynamics like compressors or equalizers EFFECT PARALLEL LOOP In a parallel loop a share of the signal getting out of the preamp passes unaltered through the loop circuit DIRECT and a share reaches directly the SEND The latter is processed by the effects sent to the RETURN and then mixed with the direct The effect quality is less important here than in the serial loop because the original DRY signal will be not coloured when it passes through the loop or the effect and the WET signal will be pleasantly added to the DRY signal PARALLEL LOOP GUITAR In order to achieve a great sound This connection is good for you must exclude the direct N modulation effects chorus DRY from the effect unit by the phaser etc and ambient effects internal mixer ae delay reverb etc EFFECT IMPORTANT INFO WARNING Before any kind of cleaning manteinance operation disconnect the appliance from the electric supply IMPORTANT INFO Check that power supply electricity in use is the one indicated on the sticker on the rear panel of the appliance The appliance must be earthed in conformity to the national previsions in force Do not throw water jets directly on the appliance Do not use water steams to clean the appliance
3. GAIN DRIVE and OVERDRIVE lee a Bass 100Hz level sounds It allows to pass from Bees 4507 level Mid 1KHz level clean to distorted sounds together Mid 1KHz level Treble 10KHz level with DR and OD switch control Treble 8KHz level u gt gt Er 2 Y vr N A R A NE LO amp amp STDBY MAIN VOLUME of CLEAN sound The sound Manual switch of channels MASTER volume for DRIVE pressure increase according to the WARNING To use the and OVERDRIVE channels setting of the control to reach a light footswitch this switch It balances the volume saturation of the final stage must be on DR position of distorted channels We suggest to experiment this function and Clean channel with the help of the POWERLIMIT switch on the rear panel REAR PANEL Fuse for general protection BERN POWERLIMIT switch MIX control If the fuse burns there is Please read the Jack for external cab Please read the something wrong Please instruetonsonthe use It does not exclude instructions on the EFFECTS LOOP contact our support centre following page the internal speaker at support brunetti it EFFECTS and LOOP page connectors X CD MARANEL LO i EXT SPKR MADE m ITALY Ei 1 01 el ww BA REMOTE E 20 Watt HT FUSE T 100mA WARNING Fuse for tubes protection If the fuse burns there is PRESENCE control wich operates on high FOOTSWITCH jack something wrong Please adds presence and voltage To be replaced This input is stereo Plea
4. MARANELLO BLACK TOP is the result of the iconic MARANELLO evolution Its three channels CLEAN DIRVE OVERDRIVE configuration meets all music needs The CLEAN channel is very dynamic warm and clear It s the clean sound that distinguishes all of our products perfect with stomp boxes and rack systems too The DRIVE channel comes from the need to create a sound link between CLEAN and OVERDRIVE emphasizing that it s not enough to lower the gain to obtain a good channel with half distortion and high definition So we designed the channel which includes the features of a good clean and could reach a dynamic saturation and not extreme The third channel OVERDRIVE does not need to be introduced and compared with the previous model shows a more fluid character without loss of gain and definition MARANELLO has been revised and retouched step by step and deeply tested with many different guitars to give its best The functions control is simple and direct it will be easy for you to find your sound We suggest to set BASS MID and TREBLE controls at noon and then set GAIN and VOLUME of all channels Every slight change in controls involves variations in timbre and dynamic response of your instrument The switching of the channels is manually operated by the three positions switch on the front panel with gree light Clean yellow light Drive and red light Overdrive The two coloured RED GREEN light of MAIN and STANDBY is unchanged EQ controls CLEAN channel
5. OP mainatin it between 1 4 and 3 4 and read the instructions about PARALLEL LOOP on the following page For all connections in the LOOP section use only very short shielded cables of high quality Whatever effect will modify the original timbre of the amplifier depending on the quality of the system you use For best resuts we advise to put only modulation chorus flanger etc reverbs and delays effects in the loop GENERAL INFORMATIONS ABOUT EFFECTS amp LOOP FILTER EFFECTS The main feature of the filter effect is the Zul physical alteration of the signal wave form as distosion pedals do This family of effects finds its best place ene between guitar and preamp input Input Output MODULATION DELAY EFFECTS The main feature of modulation delay effects is to modulate or delay a part of the input signal multiplying it It s an enriching effect which does not change the feature of the direct sound ka This family of effects finds its best place in connection to the effects loop e between preamp and power amp MODULATION DELAY Input Output SERIAL LOOP In the serial loop all the signal getting out of the preamp passes through the effects chain of the loop During the setting of the effect you have to consider that the sound is composed by a share of the original sound called DIRECT or DRY and a share of the processed sound called EFFECT or WET They both come from the original sound and are mixed MIX
6. OWNERS MANUAL Tube amplifica Lion By reading this manual you will deeply know the device you bought and will have the chance to fully experience its potential Our sets are handmade This is why you could find some sound and structural differences This testifies the handmade making of the product CONGRATULATIONS for your choice of MARANELLO BLACK TOP The year 2012 has a special significance for BRUNETTI because is the 20th year of activity of our company And this amplifier in particular gave us and our customers great satisfaction We are sure that your pleasure will be great too SPECIFICATIONS PREAMP 3 channels CLEAN DRIVE and OVERDRIVE GAIN VOLUME BASS MIDDLE TREBLE controls POWER AMP 20W 5W A Class with POWERLIMIT Manual switch operating on the final stage reducing power to 1 4 CHANNEL SWITCHING manual and footswitch EFFECTS LOOP SERIAL PARALLEL send return with continuous control of the MIX for stomps and rack systems SPEAKER 12 JENSEN JCH 12 50 Vintage Series 16 Ohm EXTERNAL SPEAKER 16Ohm external cab output DOES NOT EXLUDE THE INTERNAL SPEAKER TUBES 3x 12AX7 ECC83 2x EL84M autobias STRUCTURE Laser cut iron aluminium chassis and panels ELECTRONICS WIMA Red Series MKP capacitors sealed relay low noise film resistors DIMENSIONS L 480 mm H 480 mm P 250 mm W 15 Kg BOX CONTENTS Power cable footswitch user s manual waterproof cover FRONT PANEL
7. nes all responsibility for malfunctioning due to assistance not provided or authorized by Brunetti amp C Brunetti Marco amp C S a s Via De Bonomini 25 27 41100 MODENA ITALIA Brunetti Telefono 39 059 243404 Fax 39 059 216464 Tabe ampligreation e mail info brunetti it Commercial e mail support brunetti it technical www brunetti it www brunetti it forum
8. se use only the footswitch supplied It is possible to use it with external switching systems The activation is on off to ground APR t brightness It operates ontact our support centre with an identical one m on all channels at support brunetti it The 12AX7 ECC83 tubes are long lasting Replace them only if necessary and with identical or equal models and choose only high quality products WARNING Please refer to the manufacturer for all repairs and tubes replacement to insure the correct working of the preamplifier It does not exist service centres licensed by Brunetti Marco amp C The manufacturer declines all responsibility for malfunctioning due to assistance not provided or authorized by Brunetti amp C POWERLIMIT MARANELLO BLACK TOP is equipped with Powerlimit 20 5W very useful for the use at low volume You will find below some useful information about the power limitation When you limit the maximun power of your amp the dynamics to reproduce sounds at high volumes decrease So the distortion of the final stage saturation appears before forcing you to lower the volume to maintain the tone integrity of sound If you want to take advantage of saturation on the final stage at low volumes you have to use Powerlimit Our ears remember well the crunched sound of old one channel amps at maximun volume PowerLimit is a system of power reduction on the final stage of the amp It operates through a changing of
9. the tubes internal configuration from 20W tetrode to 5W triode decreasing power up to 1 4 of the maximun value This system is equipped with some interesting clever devices and it does not limit power despersing the excess through leakage resistances or similar but it forces tubes to give the best at low power and covering the frequency if necessary according to the hearing So it is a shaping method studied by Marco Brunetti to reduce the amp general sound pressure but preserving the timbre qualities There are several advantages from the possibility to play in different conditions simply adapting the output volume of the amp without an intervention on the equalization to the full exploitment of the final power distorting it if necessary and reaching each sound shade EFFECTS LOOP On the effects section of the rear panel you will find SEND and RETURN inputs and EFX MIX potentiometer SEND is the output wich sends signals to the input of an external effect It has been conceived to use both stomp effects and rack systems The level is compatible with all systems on the market RETURN is the input which brings back the processed signal from the effects output to the final stage of the amp The EFX MIX mixes the effect and the original sound in different proportions If you want to use the SERIAL LOOP maintain it at the maximun level and read the instructions on the use of SERIAL LOOP on the following page If you use the PARALLEL LO
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