# Chapter 29 - -Showco Purchases Harrison Monitor Mixing Consoles 1983, Accessory Rack Equipment for Stage Monitor Systems and Front of House Mixing Continue to Evolve 1983 {{< MultiGalleryComponent galleries="1986-desks-acc-racks" >}} {{< StoryImage id="showco-1986-desk-acc-racks-10-control-86" title="Harrison SM5 32 X 16 Monitor Mixing Console 1983" caption="Harrison SM5 32 X 16 Monitor Mixing Console 1983" credit="Photo Recovered Showco Archive" size="large" >}} {{< StoryImage id="showco-1986-desk-acc-racks-10-control-86" title="Harrison SM5 32 X 16 Monitor Console with 16 channel Extension and Accessory Rack 1983" caption="Harrison SM5 32 X 16 Monitor Console with 16 channel Extension and Accessory Rack 1983" credit="Photo Recovered Showco Archive" size="large" >}} __Accessory Rack Equipment for Stage Monitor Systems and Front of House Mixing Continue to Evolve 1983\-__ The new Harrison stage monitor consoles expanded the number of separate monitor mixes from eight to sixteen, so the accessory rack equipment expanded to support the additional mixes. Typically, the accessory racks were custom assembled by each monitor or FOH engineer for each tour. {{< StoryImage id="showco-1986-desk-acc-racks-3-control-86" title="Accessory racks for Harrison SM5 32 X 16 monitor console 1983. Left Top Down: rack with four individual four-way electronic crossover modules for M4 side fill monitors, rack with twelve individual two-way electronic crossover modules for bi-amped three-way floor monitors, Clear-Com intercom module with white handset, Crown D-75 amp to power headphones for monitoring the separate monitor mixes, storage drawer. Center Top Down: rack with eight DBX 903 and 904 limiter/compressor modules, TEAC cassette player/recorder, patch bay to connect accessories to the Harrison SM5 32 X 16 monitor console, power supply for Harrison console. Right Top Down: Single rack with six dual Klark Teknik 30 band equalizers, storage drawer" caption="Accessory racks for Harrison SM5 32 X 16 monitor console 1983. Left Top Down: rack with four individual four-way electronic crossover modules for M4 side fill monitors, rack with twelve individual two-way electronic crossover modules for bi-amped three-way floor monitors, Clear-Com intercom module with white handset, Crown D-75 amp to power headphones for monitoring the separate monitor mixes, storage drawer. Center Top Down: rack with eight DBX 903 and 904 limiter/compressor modules, TEAC cassette player/recorder, patch bay to connect accessories to the Harrison SM5 32 X 16 monitor console, power supply for Harrison console. Right Top Down: Single rack with six dual Klark Teknik 30 band equalizers, storage drawer" credit="Photo Recovered Showco Archive" size="large" >}} {{< StoryImage id="showco-1986-desk-acc-racks-4-control-86" title="Front of house accessory rack setup to control four separate four-way speaker systems such as main system, front fill, side fill or back fill -1983. Left Side Top Down: DBX 900 rack with four pairs of DBX 903 compressor/limiter and 907 stereo slave, each pair color coded green for bass, blue for mid bass, yellow for mid -range and red for highs, that were used to limit or compress each band of frequencies from the two four-way crossovers for the main system individually, two Showco Model 1015 four-way master crossover panels, Klark Teknik dual 30 band equalizers, two Showco Model 1015 four-way master crossover panels, Klark Teknik dual 30 band equalizers. Right Side Top Down: DBX rack with one 903 limiter/compressor, four 904 noise gates and three 906 Flangers, two Showco 1015 master panels, Klark-Teknik dual 30 band equalizers, two Showco 1015 master panels, Klark-Teknik dual 30 band equalizers" caption="Front of house accessory rack setup to control four separate four-way speaker systems such as main system, front fill, side fill or back fill -1983. Left Side Top Down: DBX 900 rack with four pairs of DBX 903 compressor/limiter and 907 stereo slave, each pair color coded green for bass, blue for mid bass, yellow for mid -range and red for highs, that were used to limit or compress each band of frequencies from the two four-way crossovers for the main system individually, two Showco Model 1015 four-way master crossover panels, Klark Teknik dual 30 band equalizers, two Showco Model 1015 four-way master crossover panels, Klark Teknik dual 30 band equalizers. Right Side Top Down: DBX rack with one 903 limiter/compressor, four 904 noise gates and three 906 Flangers, two Showco 1015 master panels, Klark-Teknik dual 30 band equalizers, two Showco 1015 master panels, Klark-Teknik dual 30 band equalizers" credit="Photo Recovered Showco Archive" size="large" >}} {{< StoryImage id="showco-1986-desk-acc-racks-5-control-86" title="Front of house accessory rack 1983. Left Side Top Down: Chorus Echo unit, Sony CD player, two Klark-Teknik Dual 30 band equalizers, Roland Dimension D SDD-320 Chorus effect unit, Crown D-75 power amp for headphones. Right Side Top Down: custom panel with eight quad panners, two TEAC cassette player/recorders, two Klark-Teknik Dual 30 band equalizers, storage drawer" caption="Front of house accessory rack 1983. Left Side Top Down: Chorus Echo unit, Sony CD player, two Klark-Teknik Dual 30 band equalizers, Roland Dimension D SDD-320 Chorus effect unit, Crown D-75 power amp for headphones. Right Side Top Down: custom panel with eight quad panners, two TEAC cassette player/recorders, two Klark-Teknik Dual 30 band equalizers, storage drawer" credit="Photo Recovered Showco Archive" size="large" >}} {{< StoryImage id="showco-1986-desk-acc-racks-10-control-86" title="Front of house accessory rack 1983. Left Side Top Down: Audio + Design Recording Vocal Stresser F769X-R equalizer and compressor, Quantec Room Simulator digital reverb, three AMS RMX16 digital reverberation processors, two UREI 1178 Dual Peak Limiters, one Valley People dyna-mite 430-J stereo multi-function dynamics processor, storage drawer. Right Side Top Down: UREI 1176LN limiter, two Lexicon PCM 42 digital delay processors, three AMS DMX 15-80S stereo digital delay units, two dual DBX 160 compressor/limiters, two Valley People dyna-mite 430-J stereo multi-function dynamics processors, storage drawer. This was a very expensive rack of equipment in 1983, approximately $100,000 in equipment. Now all of these units are available as software plug-ins for digital mixing consoles" caption="Front of house accessory rack 1983. Left Side Top Down: Audio + Design Recording Vocal Stresser F769X-R equalizer and compressor, Quantec Room Simulator digital reverb, three AMS RMX16 digital reverberation processors, two UREI 1178 Dual Peak Limiters, one Valley People dyna-mite 430-J stereo multi-function dynamics processor, storage drawer. Right Side Top Down: UREI 1176LN limiter, two Lexicon PCM 42 digital delay processors, three AMS DMX 15-80S stereo digital delay units, two dual DBX 160 compressor/limiters, two Valley People dyna-mite 430-J stereo multi-function dynamics processors, storage drawer. This was a very expensive rack of equipment in 1983, approximately $100,000 in equipment. Now all of these units are available as software plug-ins for digital mixing consoles" credit="Photo Recovered Showco Archive" size="large" >}} {{< StoryImage id="showco-1986-desk-acc-racks-7-control-86" title="Front of House accessory rack pictured above with all units powered up as in actual show conditions" caption="Front of House accessory rack pictured above with all units powered up as in actual show conditions" credit="Photo Recovered Showco Archive" size="large" >}}