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Ruppert Musical Instruments

User Manual

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Содержание Acouswitch IQ DI

Страница 1: ...Ruppert Musical Instruments User Manual ...

Страница 2: ...as the control centre of a pedal board It is an A B input switcher a high end preamp a clean booster a parametric EQ an FX loop switcher and last but not least a professional quality D I box The RMI Acouswitch IQ DI is a Swiss Army knife that should be part of the equipment of every demanding musician Please take your time to read this user manual carefully before you start using your RMI Acouswit...

Страница 3: ... Summary Introduction 4 Description 6 Examples of possible setups 13 Tech Talk 18 Block diagram 19 Technical data 19 ...

Страница 4: ...al and the signal from input B is rout ed to channel B If no cable is connected to the Instrument B input the signal from instrument A can be routed to channel A or B by using the A B foot switch RMI Acouswitch IQ DI as high end pre amp with parametric EQ Channel A of the RMI Acouswitch IQ DI fea tures a high end preamp and a 3 band EQ specifically designed for acoustic instru ments featuring bass...

Страница 5: ...for this appli cation it can also be used as a line mixer To do this the RETURN socket of the MIX LOOP is used as input and the ratio of this signal to the signals coming from inputs A and B is adjusted by using the MIX con trol The signal from the return input of the MIX LOOP cannot however be muted and is not available at the TUNER OUT Additional features TUNER OUT Connect your tuner here to kee...

Страница 6: ...ltaneously Many acoustic instruments are equipped with two pick ups e g magnetic and piezo electric The RMI Acouswitch IQ DI allows you to con nect such a dual system via these inputs and the MIX switch Note For simultaneous use of both inputs set the switch in the lower position to switch between inputs set it in the higher position 3 Input INST B Connect your second instrument here or the 2nd pi...

Страница 7: ...eep your tuner on all the time so that you can check your tuning and intonation control on the fly To defeat the sound while tuning use the MUTE but ton 23 on the RMI Acouswitch IQ DI The MUTE button defeats both the LINE OUT and the D I OUT 6 SEND Output Serial Loop Connect the first effect s you want to run in the serial loop here The main purpose of the passive serial loop is to connect devices...

Страница 8: ...ere 9 20V min 130mA Because of the uncompromising design the quality of the components the large number of functions and the switching technology used the power consumption of the RMI Acouswitch IQ DI is too high for it to run satisfactorily on batteries The external power supply should provide not less than 9V and not more than 20V Either alternating AC or direct current DC sources can be used an...

Страница 9: ...l help to fight feedback with acoustic instruments 16 TREBLE Control Use this control to adjust the amount of treble presence in your tone The treble control T cuts or boosts the up per frequencies of your tone 17 BCL Body Contour Level Adjust the Body Contour Level or the level of the notch filter The Body Contour controls have influence on both input channels In middle position the sound is neut...

Страница 10: ...LOOP channel on or off If no jack is con nected to the MIX LOOP return it is used to boost the signal for solos or louder pas sages 22 MIX LOOP BOOST status LED The LED turns blue when the LOOP BOOST function is turned on 23 MUTE foot switch Push this switch to activate the MUTE function for tuning or stand by Pressing this foot switch mutes the LINE OUT and D I Out and allows for quiet tun ing or...

Страница 11: ...I signal path With the PRE setting the signal is rout ed directly to the D I Out without going through the EQ and the loops The LINE OUT routing remains unaffected Note In a recording situation it is pref erable to record the acoustic instrument signal as is and to add effects at a later stage The design chosen here for the PRE function allows the musician to hear his signal with EQ and effects as...

Страница 12: ...12 Examples of possible set ups 1 The RMI Acouswitch IQ DI as a preamp booster DI in stand alone mode ...

Страница 13: ... GAIN THRESH RATIO COMP HI FREQ BYPASS COMP THRESH RATIO HF BYPASS analog chorus LOW HIGH LEVEL RATE DEPTH analog delay MIX REGEN DELAY DUAL BAND SMX OPTICAL COMPRESSOR ACTIVATE GAIN ACTIVE LO HI GAIN THRESH RATIO COMP HI FREQ BYPASS COMP THRESH RATIO HF BYPASS analog chorus LOW HIGH LEVEL RATE DEPTH analog delay MIX REGEN DELAY ...

Страница 14: ...e mode 4 The RMI Acouswitch IQ DI as AB switcher preamp booster DI on a pedal board DUAL BAND SMX OPTICAL COMPRESSOR ACTIVATE GAIN ACTIVE LO HI GAIN THRESH RATIO COMP HI FREQ BYPASS COMP THRESH RATIO HF BYPASS analog chorus LOW HIGH LEVEL RATE DEPTH analog delay MIX REGEN DELAY ...

Страница 15: ...15 5 The RMI Acouswitch IQ DI as line mixer ...

Страница 16: ... fact that every buffer produces some noise even if it cannot be heard when only a single buffer is used The ideal solution is to have a very high quality buffer at the beginning of the chain that brings the signal down to a very low impedance This makes the sig nal insensitive to the length of the cable It is important however that this buffer is of the highest quality with the dynamic range and ...

Страница 17: ... of safety as it iso lates the RMI Acouswitch IQ DI from cur rent peaks of up to 2 000 V Note Transformers widely thought to have a negative impact on sound This does not apply in the case of the Lehle transformer used in the RMI Acouswitch IQ DI both the D I Out and the Line Out of the RMI Acouswitch IQ DI can handle a frequency range from 20Hz to 100KHz linear The transformer does not affect the...

Страница 18: ...22 0 cm Overall height 4 2 cm Voltage range 9 20 V AC DC Power consumption max 150 mA Frequency range 50 Hz low cut filter 100 kHz 0 2 dB Distortion 0 005 Input A impedance 5 MOhm Input B impedance 5 MOhm Output impedance 150 Ohm Signal to noise ratio 92 dB at 1 kHz 0 dBU A weighted Max level 4 5 V RMS ca 15 dBU Max gain 15 dB EQ Bass 18 dB 83 Hz peaking Mid 18 dB 100 Hz 6 kHz peaking Treble 18 dB...

Страница 19: ...Block diagram ...

Страница 20: ...Contact Ruppert Musical Instruments 20a rue de Bascharage L 4995 Schouweiler Luxembourg Tel Fax 00 352 691 379050 Web www rmi lu E Mail jacques rmi lu ...

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