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Summary of Contents for Rebis Audio RA226
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Page 1: Table Of Contents
Rebis Audio Ltd. RA226 Digital Sampler User Guide CONTENTS Page Caution Powering Up Controls 3, 4 Detailed Description Input Level Set Recording Sampling Multiple Samples Editing Playback Delay Mode Operation (brief) Record Playback Editing Multiple Samples Drop-ins Pitch Shift Sample Length... -
Page 2: Caution
POWERING UP When the RA226 is used with the Rebis Modular Rack Mount power supply and a selection of other modules in the same rack the power but- ton on the power supply has to be pressed twice quickly to achieve the full 40V required to drive the RA226. -
Page 3: Controls
CONTROLS: LEDS: Indicate signal level at the input to the digital section. Red LED indicates overload. INPUT: Adjusts the input gain of the unit. (up to +20dBm) MIX: Output blend control sets a balance between input and output. FEEDBK: Sets the amount of output signal fed back to the input to control the number of repeats in delay mode. - Page 4 LOOP: Joins the start and end of the sample to form a continuous loop. Pushing a second time deselects the option. LATCH: Changes play buttons from momentary to latching action. Pushing a second time deselects the option. REV: This button starts or stops the sample playing in the reverse di- rection.
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Page 5: Detailed Description
Detailed Description of Operation Input Level Set: To obtain the best results with the RA226 it is essential to set the in- put level accurately. This is adjusted with the input Level control and correct operation is obtained when all three green LEDs are on for most of the time with the red LED only flashing occasionally. -
Page 6: Multiple Samples
of this manual. In addition you can try varying the pitch of the sample whilst in playback with the Pitch control. Sampling: (cont) Samples can be recorded into any part of memory by setting the Start and End controls to define the section before pushing the Record but- ton, but make sure that the End control is set more clockwise than the Start control. -
Page 7: Playback
Touching the opposite play button whilst in playback reverses the playback from the point reached. A few minutes experience with the RA226 audibly demonstrates that these play modes simply provide a vast range of sample effects. the same as the maximum sample time and is dependant on the number of expansion boards installed. -
Page 8: Delay Mode
Mix control can be turned fully clockwise. Alternately if the unit is wired into the insert points of a mixing console then the amount of echo mixed with the input will be controlled on the RA226 by setting the Mix control near it's centre. -
Page 9: Record
4.Set END to 100%. 5.Set PITCH to +1. 6.Press RECord button. RECord LED flashes while RA226 waits for input. LED steady indicates RA226 is recording. Sample will playback automatically when memory is full. If sample is satisfactory turn MIX control to OP to disable input. -
Page 10: Editing
It also allows several samples to be stored in memory simultane- ously and short samples to be inserted in longer ones. Drop Ins The RA226 can be switched in and out of record to perform orthodox drop ins. 1.Set mode, LATCH on, LOOP off. -
Page 11: Pitch Shift
Pitch Shift A sample recorded with the PITCH set to +1 can be transposed down through two octaves by rotating the PITCH control anti-clockwise be- fore or during playback. If playback at a higher pitch is required the sample must be recorded at a lower PITCH setting. -
Page 12: Delay/Echo
Delay/Echo To enter delay mode set START control to 0%, MIX control to IP, and press DELAY. With the PITCH control set to +1 the RA226 will now provide up to 1.4 seconds delay at 16kHz bandwidth. The END control adjusts delay length and repeat echo can be introduced with the FEED- BACK control. -
Page 13: Audio Trigger
Audio Trigger Samples can be synchronously triggered by an external audio source by feeding signal to one of the audio trigger inputs. If the track being used to trigger the sample contains excessive cross- talk it should first be gated using a frequency conscious gate such as the Rebis RA224. -
Page 14: Installation Handling
INSTALLATION Handling There is a slight risk of damage to some of the devices in the RA226 in areas prone to high static build up. To eliminate this risk it is advisa- ble to take a few simple precautions when handling the module. -
Page 15: Earthing
On occasions when finer edit resolution is required memory cards can be bypassed using the above settings. Remote Control Most of the functions of the RA226 can be quite simply remote con- trolled as shown in the connection diagram. To enable remote control of the START/END functions the switches located on the rear edge of the outer PCB should both be switched off. -
Page 16: Pin Connections
PIN CONNECTIONS Connector 1 (analogue board, outer PCB) 1) Keyway slot 2) +5 volts out for pots 3) 0 volts out for pots 4) +5 volts out for remote 5) START pot in from remote 6) END pot in from remote 7) Audio trigger input 1 8) keyboard gate in 9) Main 0 volts... - Page 17 Connector 2 (digital board, centre PCB) 1) Keyway slot 2) DELAY switch remote 3) RECORD " " 4) LOOP " " 5) LATCH " " 6) REV " " 7) FWD " " 8) RECORD LED remote 9) Spare 10) " 11) DELAY LED remote 12) LOOP "...
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Page 18: Specifications
SPECIFICATIONS Maximum Input level: +20dBm Maximum Output level: +20dBm into 600 ohms Input Impedance: 100 kilohms Output Impedance: Less than 50 ohms Control Voltage Range (CV): 0.5V to 2.5V Frequency Response: L.F. -2dB @ 20Hz, H.F. Variable between -3dB @ 16kHz @ 5.5 Secs and -3dB @ 4kHz @ 22 Secs Distortion: Less than 0.2% THD @ 1kHz @ +10dBm Dynamic Range: 85dBm...
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