Empress Tremolo2 User Manual
Contents
1. tremolo empoi k a D 2y E g K 3 D r i ia gt d 4 rator rhythm output jepth rate l o tremolo p e a s bypass tap preset user Manual Introduction Back in 2005 we released our first pedal the Tremolo It was one of the first tap tempo tremolo on the market and to this day remains as sought after as when it was first released We have built on everything we have learned over the past eight years and are proud to release the next generation of tremolo the Empress Tremolos The Empress Tremolo has the same analog signal path as its predecessor but we ve added a bunch of features that make it more versatile Now you can use up to 8 presets and you can plug in a slew of things to control it including expression pedal external switches and MIDI Please rock responsibly nann VA Steve Bragg Quickstart F mode waveform tap tempo knob preset pote triangle O tube square O control port eee rate ratio ae output tap tempo Plug your guitar into the lower jack on the right side Plug your amplifier into the jack on the left side Plug a 9 12Vpc power supply into the power jack on the left side 2 1mm barrel connector negative tip Set the mode switch to knob the waveform switch to tube the depth to half rate to half rhythm to 1 and output to half That s your standard tremolo Tap Tempo Mode In tap tempo mode use the tap preset stom2. is not included with the Empress Tremolos 2 Configure the pedal for MIDI control and set the MIDI channel See the Advanced Configuration section for instructions on doing this Choose a MIDI channel that won t conflict with other devices in your MIDI rig Recalling a preset via MIDI Program Change Messages You can activate a preset by sending a MIDI Program Change message For example sending a Program Change message of 7 activates preset 7 MIDI Clock aka MIDI Beat Clock The Empress Tremolo will respond to MIDI Clock messages MIDI Clock specifies quarter notes subdivided into 24 MIDI Messages Each quarter note corresponds to 1 period of the tremolo s waveform Warning The Tremolo listens for MIDI Clock messages by default If it receives a MIDI Clock message it will rely on the messages for its tempo This means that the Tremolo s volume will freeze if the MIDI Clock messages are discontinued To unfreeze the Tremolo send a MIDI Clock Listener message CC 51 with a value of 0 Control Change Messages The Empress Tremolo can be controlled with MIDI control change messages Below is a table that shows which MIDI control change channel controls each Tremolo parameter Tremolo Parameter CC Note Depth 20 Sending a value 0 would be equivalent to the knob completely Rate Ratio 21 counter clock wise sending 127 is equivalent to fully clock wise Output 23 Rhythm 22 Sendi
3. pedal control simultaneously by repeating this process for each parameter to be assigned Each parameter can be set with independent heel and toe settings To release a parameter from the expression pedal s control simply move the knob or switch that controls that parameter To clear all of the parameters from expression pedal control press the save switch 3 times Any expression pedal used with the Empress Tremolo should have the following connections tip to signal ring to power and sleeve to ground Controls lt Power 9V 12 Save Use to save presets and i Mode Sets the operation mode of the pedal Tap Tempo The rate of the tremolo is set by tapping on the tap stompswitch Knob The rate of the tremolo is controlled by the rate knob Preset Save and recall settings stored in up to 8 presets Rate Ratio In knob mode this sets the speed of the tremolo effect In tap tempo mode this sets the ratio of foot taps to tremolo pulses For example at a 1 2 ratio the tremolo will do eighth notes when you tap quarter notes Tap Preset Perfoms a different function in each mode Tap Tempo Tap to set the tempo of the tremolo effect Tapped tempo is multiplied by the ratio to set the rate of the tremolo effect Bypass Press to engage byp illuminated the tremolo is eng Knob Press for a brake that slows the tempo of the tremolo while switch is held down Preset Press
4. to set the value Number of Presets default 4 Set the waveform switch to the left triangle then use the rhythm knob to select from 1 8 presets MIDI Channel default 1 Set the waveform switch to the right square then use the rhythm knob to select from MIDI channel 1 8 Control Port Configuration Set the waveform switch to the middle tube then use the rhythm knob to select how you would like to use the control port from the chart below 1 expression pedal default 2 control voltage 3 external tap switch latching 4 external tap switch momentary normally open 5 external tap switch momentary normally closed 6 MIDI Presets Write Protect Select if presets can be overwritten and changed on the fly or locked to prevent accidental changes Unlocked default Turn the output knob all the way counter clockwise Locked Turn the output knob all the way clockwise stompswitches in order tap bypass tap bypass The LEDs will do a little ease note that this overwrites the current presets with the factory presets MIDI Configuration The Empress Tremolo allows all of its parameters to be controlled via control change messages it s presets to be selected with program change messages and its tempo controlled with MIDI clock messages To use MIDI with your Empress Tremolo you ll have to do the following 1 Attach the Empress Midibox using a patch cable to the control port The Midibox
5. clockwise Ramp Speed Select how long it takes to ramp from one preset to another Setting the depth knob fully counter clockwise default will have no ramping the rate changes immediately to the new preset s rate Setting the depth knob fully clockwise will have a long ramp between presets much like a Leslie cabinet changing from slow to fast The knob can be set anywhere in between to fine tune the ramp time Entering Advanced Configu from the Empress Tremolo while holding down bot stompswitches The bypass confirm that you are in th mode Modify Settings Use the c configure the pedal as you modified the tap LED will change has been made Exiting Advanced Configur and bypass stompswitches bypass LED will blink twice t has exited the advanced cot reboot into the standard ope Factory Reset While in the advanced configuration press the following dance to confirm that the tremolo has been reset to its factory settings PI onfiguration e the functionality of the tremolo to suit your needs ration Unplug the power Plug the power back in hn the tap and bypass LED should blink twice to gt advanced configuration ontrols outlined below to ike When a parameter is blink to confirm that a ation Press both the tap at the same time The gt confirm that the tremolo figuration mode and will ration mode Use the waveform switch to select which function to modify then use the rhythm selector
6. le in Preset mode use the rate knob or an external tap switch to adjust the speed of the tremolo To modify tremolo parameters away from their saved value simply move the knob or toggle Control Port The control port jack allows the Empress Tremolo to be controlled by a multitude of devices The pedal ships configured to accept an expression pedal Please see the Advanced Configuration section on how to configure the control port for the device you want to use Control Voltage CV With CV control the Empress Tremolo responds to CV signals from Oto 5 volts Otherwise the CV configuration works exactly like the expression pedal configuration External Tap Switch The Empress Tremolo can be used with an external switch In tap tempo mode both the pedal s tap preset stompswitch and the external switch control the tap tempo In knob mode the external switch isn t utilized In preset mode the pedal s tap preset stompswitch toggles through presets the external switch controls tap tempo and the rate ratio knob controls the ratio Expression Pedal Each parameter with the exception of the mode switch can be controlled simultaneously via the expression pedal To control a parameter with the expression pedal move the parameter s knob to the desired heel setting then hold down the save button and move the knob to the desired toe setting then release the save button Multiple parameters can assigned for expression
7. ng a value of 1 will set the rhythm to 1 sending 2 will set rhythm to 2 etc Mode 24 Sending 1 will set it to tap tempo mode 2 knob mode and 3 preset mode Waveform 25 Sending 1 will set it to triangle 2 tube 3 square Rhythm Downbeat 26 Value sent determines which beat of the rhythm will fall on the downbeat A value of 3 will have the 3rd beat of the rhythm on the downbeat Waveform Phase 27 A Value of 64 has the waveform in phase Higher values move the waveform ahead relative to the beat and smaller values move it behind Tap Switch 35 Sending a value of 127 simulates the switch being pressed Sending a value of zero simulates releasing the switch Bypass Switch 36 Sending a value of 127 engages the pedal sending a value of 0 bypasses the pedal Direct Control 40 Sending this message overrides all other settings and lets you set the amount of tremolo volume directly with MIDI values This mode would allow you to draw your own waveforms in a DAW and send them to the Empress Tremolog Exit Direct Control 50 Sending this message with any value will cause the pedal to exit direct control MIDI Clock Listener 51 Sending a value of 0 causes the pedal to ignore MIDI Clock messages Sending a value of 127 causes the pedal to listen for MIDI Clock messages by default the pedal listens for MIDI Clock messages Specifications Input Im
8. pedance Output Impedance Frequency Response 3dB Output Headroom Distortion Signal to Noise Ratio Input Voltage Required Current Power Input Connector Height enclosure only Height including controls Length Width Weight 1M Q 3300 4Hz 30kHz 9 2 dBu 0 081 107 7dB 9VDC 12vDC 100mA 2 1mm Barrel Connector 1 5 2 3 5 4 5 1lbs www empresseffects com
9. pswitch to enter a speed for the tremolo The tremolo will change to the new speed after 2 taps and will average the speed of the last 4 tap times Use the ratio knob to change the ratio of tapped tempo to tremolo tempo Available ratios are 1 1 3 4 1 2 1 3 and 1 4 Knob Mode In knob mode use the rate knob to set the speed of the tremolo Hold down the tap preset stompswitch as a brake that will slow down the tremolo speed while the stompswitch is held Preset Mode Preset mode allows you to save and recall presets All settings of the pedal are saved in a preset including tempo front panel controls and expression pedal assignment Each preset is represented by a different color in the tap preset LED To load a preset use the tap preset stompswitch to scroll through presets sequentially The LEDs will blink indicating the preset is ready to load Press the bypass switch while the LEDs are blinking to engage the new preset To save a preset set the Tremolo to the settings you want to save Use the tap preset switch to scroll to the color where you would like to save the preset Then while the LEDs are blinking hold down the save button and press the tap preset stompswitch Changing the number of available presets The Empress Tremolo ships with 4 available presets but you can use between 1 and 8 presets Please see the Advanced Configuration section on how to change the number of available presets Whi
10. to scroll through presets Presets When scrolling throug Press the bypass switch to eng t a Glance V DC 100mA or greater Waveform Sets the shape of the tremolo envelope Triangle Your standard tremolo waveform Smooth ramp from loud to soft assign expression pedal control Tube An asymetrical waveform modeled after classic tube amp tremolo Square Tremolo turns on and off with no volume ramp Great for choppy sounding effects _ Output Sets the overall output level volume of the pedal j Control Port Control the tremolo via expression pedal external tap control voltage and MIDI Rhythm Here are the eight rhythms with 0 being accented 1 0000 normal tremolo 2 Ox0x 3 Oxx0xx 4 OxxxO0xxx 5 Oxx0xx0x 6 0x0x00x0x0 this one is in 5 4 7 Oxx0xx0x0x0x ass the pedal When the LED is aged h presets this LED will flash age the new preset 8 OxxOxxO0xxx0xO0xxx Advanced C The advanced configuration mode lets you customiz Bypass Mode Select to use true bypass or buffered bypass True Bypass default Set the mode toggle switch to the left tap tempo Buffered Bypass Set the mode toggle switch to the right preset Preset Mode Select how to change presets Two Button Switching default Set the rate ratio knob all the way counter clockwise One Button instant Switching Set the rate ratio knob all the way
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