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Related Manuals for WYETECH LABS Ruby STD
Summary of Contents for WYETECH LABS Ruby STD
- Page 1 Owner’s Manual Ruby STD Line Stage Preamplifier...
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Page 2: Table Of Contents
Indicator Lamps................................6 Power-Up..................................7 Caution......................................7 Automatic Muting................................ 7 Master Volume Control & Channel Balance........................7 Periodic Maintenance..........................7 Cleaning The Surfaces..............................7 Tubes (9-pin)................................7 Diagnosing Problems With Signal Tubes........................7 Technical Specifications........................... 9 Ruby STD line stage preamplifier – owner’s manual... -
Page 3: Introduction
Introduction Thank you for purchasing the Wyetech Labs Ruby preamplifier. You are in possession of one of the best sounding, well constructed preamplifiers on the consumer market. This unit has been completely hand crafted using precision quality components. Our goal was to surpass the sound of the former Opal preamplifier, not an easy task. After many hours of listening by many people familiar with the Opal, we have determined that we have managed to do that. -
Page 4: Power Supplies
Our primary design philosophy that LESS IS BETTER THAN MORE has been our objective and we were able to lower the parts count in the Ruby STD because of the unique way the dissimilar triodes perform together when passing the signal from one stage to the other. -
Page 5: Circuit Boards
9-Pin tubes - Remove (6) screws & washers (use Phillips #2 screwdriver) holding top cover to access tubes. To install tube align guide pin with the tube socket until it falls into the socket then press down until seated. Ruby STD line stage preamplifier – owner’s manual... -
Page 6: Input Power Selector Switch
Remember >> HIGH VOLTAGE IS DANGEROUS! << Power off unit and wait for at least 5 minutes for power supply high voltage to drain and tubes to cool before attempting to change tubes with cover removed. Ruby STD line stage preamplifier – owner’s manual... -
Page 7: Power-Up
10,000 hours is expected from these tubes. Normally a faulty tube will cause problems in only one channel but it is possible that it could affect both channels. It is wise to have a spare set of Ruby STD line stage preamplifier – owner’s manual... - Page 8 Any problem will most likely be a tube, so replacing the tubes one at a time should allow you to find the faulty tube. If you replaced all four tubes but still have a problem you should contact the factory for advice. Ruby STD line stage preamplifier – owner’s manual...
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Page 9: Technical Specifications
A processor loop can also be used using the tape in/out connection Power Requirements: Switch selectable 115/230 Volt 50/60 Hz 51 Watts 64 VA Net Weight: 16 LBS ( 7.3 KG) Dimensions: 15” W x 10 7/8” D x 3 3/4” H Ruby STD line stage preamplifier – owner’s manual...
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