Related Manuals for WYETECH LABS Ruby XR 300B-XLS
Summary of Contents for WYETECH LABS Ruby XR 300B-XLS
- Page 1 Owner’s Manual Ruby XR 300B-XLS Reference single ended triode (SET) monoblock amplifier (Serial number 20 and up)
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Page 2: Table Of Contents
Power Supplies................................8 Mechanical Construction............................. 9 Circuit Boards................................9 Auto Power Sequencing.............................. 9 Power Switches................................. 10 Power Down Sequence............................. 10 Absolute Phase................................. 10 Impedance Matching..............................10 Burn-in procedure for new output tubes........................10 Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual... - Page 3 Technical Specifications......................... 11 Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual...
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Page 4: Installation
CL2 UL approved. This is a very well constructed cable quality engineered. Place Power Switch in the "OFF" position. Plug in the power cord into the amp before inserting the AC plug in to the wall socket. Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual... -
Page 5: Power Up
230 V. Damage caused by incorrect setting will VOID THE WARRANTY. The switch is labeled in RED and will display the voltage it is set for in the window. To change setting use small flat screwdriver to operate slide. Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual... -
Page 6: Fuse Rating
These combined attributes reduce overall distortion at higher power levels and give an overall impression of a much more powerful amplifier than what the specifications would suggest. Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual... -
Page 7: Circuit Description
300B driving it. In other words this stage uses the same ratio of primary to secondary in the output transformer as would be used in an amplifier with only one 300B output tube. Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual... -
Page 8: Other Features
Rectified, filtered and regulated 12 Volt DC provides the power for the input tube filaments of the 1st and 2nd stage. This provides a very low noise floor that allows a blacker background between notes. Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual... -
Page 9: Mechanical Construction
In addition a speaker muting circuit is engaged for 40 seconds on power up and 3 seconds before power down for dead silent operation. Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual... -
Page 10: Power Switches
If either leg of the series connected 300B tubes go out of that range the red LED fault light will come on suggesting that these 2 tubes should be replaced. The left 2 tubes fault light is designated FL and the right series connected tubes is designated FR. Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual... - Page 11 385 Watts - 510 VA - each monoblock Weight (Net): 2 x 68 lbs. (31 kg) Weight (Shipping): 2 x 77 lbs.(35 kg) Dimensions: 16.5" W x 24" L x 10" H Ruby XR 300B-XLS Reference SET monoblock amplifier – owner’s manual...
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