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Related Manuals for WYETECH LABS Topaz 572B
Summary of Contents for WYETECH LABS Topaz 572B
- Page 1 Owner’s Manual Topaz 572B Single ended triode (SET) stereo amplifier...
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Page 2: Table Of Contents
Burn in procedure for new output tubes........................9 Design Goals............................10 Audio Circuits................................10 Power Supply................................10 Parts Quality................................10 Circuit Description........................... 11 Tube Complement..............................11 1st & 2nd stage................................11 Output Stage................................11 Topaz 572B SET stereo amplifier – owner’s manual... - Page 3 All Stages.................................. 11 Power Supplies................................11 Mechanical Construction............................12 Circuit Boards................................12 Auto Sequencing............................... 12 Standby Sequence..................................12 Power Sequence..................................12 Power Switch Settings.............................. 12 Impedance Matching..............................13 Connectors................................13 Technical Specifications......................... 14 Topaz 572B SET stereo amplifier – owner’s manual...
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Page 4: Introduction
Introduction Thank you for purchasing a Wyetech Labs Amplifier. You are in possession of what we are inclined to believe will become known as one of the best sounding, most ruggedly constructed amplifiers to appear at the turn of the millennium. This unit has been completely hand crafted using some of the most reliable and sonically neutral parts available at this turn of the century. -
Page 5: Installation
TAKE NOTICE: If you ever need to ship the amplifier, it is mandatory that the box contains the shock watch labels in order to identify if the box has been dropped, so that it may be inspected for damage in case of insurance claims. Contact Wyetech Labs for shock watch labels. Installing The Tubes... -
Page 6: Warning
In general the best overall setting is usually what the speaker is rated for. Insure both switches are in either the 4 or 8 Ohm position. Topaz 572B SET stereo amplifier – owner’s manual... -
Page 7: Perforated Transformer Cage Cover
Reinstalling this cover may require putting some pressure on the top end to hold firmly in place while installing screws. Do not apply pressure on cover except on the ends, otherwise you will bend the screen. Topaz 572B SET stereo amplifier – owner’s manual... -
Page 8: Periodic Maintenance
If you are a heavy user (over 4 hours per day) then replacement every 5 years will bring peace of mind if not improvement in sound. Topaz 572B SET stereo amplifier – owner’s manual... -
Page 9: Fuse Rating
WARNING: Do not use any other type fuse otherwise you could void the warranty. Burn in procedure for new output tubes If you receive these tubes from Wyetech Labs, they will already be tested and burned in. Otherwise, plug them in and play immediately. You may notice a subtle improvement over time, but nothing very dramatic, since these tubes do not need an extended burn-in period. -
Page 10: Design Goals
Silver solder and stainless steel hardware is used throughout as well as Teflon insulated, silver plated OFHC copper in critical areas. Output transformers are by Audio Note, and the circuit board blanks are from Vector Corporation. Topaz 572B SET stereo amplifier – owner’s manual... -
Page 11: Circuit Description
A total of six large chokes and 7 polypropylene type capacitors are employed in the two high voltage power supplies. This uniqueness makes this a purist power source of the highest caliber! Topaz 572B SET stereo amplifier – owner’s manual... -
Page 12: Mechanical Construction
A few seconds later the auto-mute is disengaged completing the turn-on sequence. Power Switch Settings A 3 position toggle provides the following functions: ( auto-sequencing ) MIDDLE BOTTOM STANDBY ( sequence 1 only ) Topaz 572B SET stereo amplifier – owner’s manual... -
Page 13: Impedance Matching
Two high current toggle switches enable setting for 4 and 8 ohm speakers and can be switched while in operation. Connectors High quality teflon Gold plated RCA input connectors and solid WBT gold output connectors are employed in this contruction. Topaz 572B SET stereo amplifier – owner’s manual... -
Page 14: Technical Specifications
102 lbs / 47 kg Weight (Shipping): 117 lbs / 53 kg Dimensions: 16” W x 22” L x 10” H 41 cm W x 56 cm L x 26 cm H Topaz 572B SET stereo amplifier – owner’s manual...
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