Summary of Contents for Stoel VACUUM TUBE RING MOD
- Page 1 M U S I C S Y S T E M S X INPUT Y INPUT AUDIO OUT V A C U U M T U B E RI N G M O D VACUUM TUBE RING MOD USER MANUAL...
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Page 2: Table Of Contents
Table of Contents Warranty Information Installation Replacing Vacuum Tubes Requirements Front Panel Overview Front Panel Components Operation Basic Operation Application Example Configuration Advanced Operation Using the Module as a VCA toel M U S I C S Y S T E M S... -
Page 3: Warranty Information
(1) repair the product (please see repair rates here), (2) or, send the product back at the expense of the customer. Stoel Music Systems is not liable, either explicit or implied, for any damages to persons or other equipment during the operation of the product. -
Page 4: Installation
Installation Before installation: UNPLUG EURORACK CASE!! Connect the 10-pin side of the power cable to the module with the red stripe as indicated. Connect the 16-pin side of the power cable to the bus board with the red stripe facing down, as shown. Check to verify the location of the red strip on your bus board. -
Page 5: Replacing Vacuum Tubes
All vacuum tubes come with a thirty day warranty from the manufacturer. However, like an incandescent light bulb, vacuum tubes eventually need to be replaced. The Vacuum Tube Ring Mod requires two 6AL5 tubes. Before removing the old tube, be sure the power is shut off and the module is unplugged from the system. -
Page 6: Requirements
Requirements HP Required 14 HP Mounting Depth 36mm +12 Volt Current Draw 300ma peak -12 Volt Current Draw +5 Volt Current Draw 5V Requirement Mounting Screws Required Power Cable 10 pin to 16 pin Unit Weight 3 oz PLEASE NOTE: Because of the use of vacuum tubes, the module is designed to “warm up”... -
Page 7: Front Panel Overview
Front Panel Overview toel M U S I C S Y S T E M S X INPUT Y INPUT AUDIO OUT V A C U U M T U B E RI N G M O D toel M U S I C S Y S T E M S... -
Page 8: Front Panel Components
Front Panel Components (1) VACUUM TUBE SOCKETS: The Vacuum Tube Ring Mod uses two 6AL5 vacuum tubes. WARNING: the tubes may get warm during operation. (2) X INPUT: The jack accepts any audio signal to be modulated. (3) Y INPUT: The “Y” jack is the carrier signal to the “X” audio signal. -
Page 9: Operation
To add animation to the percussion sound, add a sweeping filter or EQ with a fixed filter bank. The Vacuum Tube Ring Mod makes excellent bass lines. By tuning the “X” audio and “Y” audio appropriately, it is possible to create house-style bass sounds. -
Page 10: Example Configuration
Example Configuration Basic Configuration The Vacuum Tube Ring Mod has no controls. Therefore, any sound modification comes from other modules. In the example below, the two oscillators are connected to the X and Y input of the ring modulator. As the tuning of each of the oscillators changes, the tone of the ring mod changes as well (fig. - Page 11 Example Configurations Making a Metallic Sound To make a basic metallic sound, input a sine wave into the X INPUT and a clean triangle into the Y INPUT (fig. 4). As seen in the waveform, the sine is modulated in a triangle fashion. Detuning the carrier (the Y INPUT) controls the modulation of the sine wave.
- Page 12 Example Configurations Using Pulse Width in the Carrier Signal When listening to a pulse waveform, the signal can be canceled out by turning the PWM to 0% or 100%. However, when using PWM as the carrier signal (Y Input), the audio signal will still be modulated even at 0% or 100% PWM, even though it is not audible on its own.
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Page 13: Advanced Operation
X Input, can be multiplied by a CV source through the carrier, the Y Input. The transformers block the DC signal allowing the Vacuum Tube Ring Mod to act as a VCA. The effect is a warmer sound than a standard solid-state VCA. - Page 14 toel M U S I C S Y S T E M S Just make music...
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