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Related Manuals for WYETECH LABS Sapphire
Summary of Contents for WYETECH LABS Sapphire
- Page 1 Owner’s Manual Sapphire Single ended triode (SET) monoblock amplifier...
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Page 2: Table Of Contents
Cleaning The Surfaces..............................9 Front end tubes ( 5687WB )............................9 Output tubes (300B)..............................9 Burn in procedure for new output tubes........................9 Diagnosing problems with output tubes........................10 Fuse rating................................10 Specifications............................10 Tube Complement..............................10 Sapphire monoblock amplifier – owner’s manual... - Page 3 Frequency Response..............................10 Input Impedance............................... 10 Absolute Phase................................. 10 Power Output................................11 Dynamic Headroom..............................11 Energy Storage................................11 Universal Voltage Select............................11 Power Consumption..............................11 Weight (Net)................................11 Weight (Shipping)..............................11 Dimensions................................11 Warranty..............................12 Sapphire monoblock 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 believe will become known as one of the best full range 300B amplifiers while maintaining the tradition of this tubes glorious mid-range that is stunning in its purity. This unit has been completely hand crafted using some of the same reliable and sonically neutral parts as is presently used in our other amplifiers. -
Page 5: Design Goals
Our 12 pound output transformer provides 18 Watts RMS per monoblock with solid bass and absolute stability into all low impedance loads. The output Sapphire monoblock amplifier – owner’s manual... -
Page 6: Power Supplies
Printed Circuit Board program allows for an infinite varieties of traces and component layouts that can be developed into our own custom library parts. We have created a library of custom component layouts that are specifically suited to develop our Analog circuits. Wiring to the PCB Sapphire monoblock amplifier – owner’s manual... -
Page 7: Auto Sequencing
The filament voltage is turned on for 45 seconds before applying the DC voltage power, after which the ready (green) LED comes on. Power switch The power switch applies power to the automatic power up sequencing circuit Sapphire monoblock amplifier – owner’s manual... -
Page 8: Installation
1. Remove top cover foam from box. 2. Remove box containing tubes, line cord & spare fuses. 3. Grab the Sapphire by the two handles and pull out from box 4. Leave remaining foam in place to facilitate repackaging if necessary. -
Page 9: Installing The Ac Power Cable
Low = 20 dB, Normal = 25 dB, High = 30 dB Normal gain is preset at the factory. To change you must remove the AC input cord to attempt removal of bottom cover. Sapphire monoblock amplifier – owner’s manual... -
Page 10: Periodic Maintenance
Burn in procedure for new output tubes If you receive these tubes directly from Wyetech Labs they will have already been 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 11: Fuse Rating
Spare fuses are supplied with unit. 2 amp MDL for 115V/60Hz and 1 amp MDL for 230V/50Hz operation WARNING: Do not use a higher rated fuse than this otherwise you could void the warranty. Sapphire monoblock amplifier – owner’s manual... -
Page 12: Specifications
Power Output 18 Watts RMS per Channel Dynamic Headroom music peaks up to 40 Watts Energy Storage 300 joules Universal Voltage Select 115/230 Volts 50/60 Hz Power Consumption 185 Watts per mono-block Weight (Net) Sapphire monoblock amplifier – owner’s manual... - Page 13 2 x 33 lbs. (30 kg) Weight (Shipping) 2 x 38 lbs. (35 kg) Dimensions 9.5" W x 16" L x 8.5" H 25 x 41 x 22 cm Sapphire monoblock amplifier – owner’s manual...
- Page 14 In no event will Wyetech Labs or its representatives be responsible or liable for other than is stated herein, such as incidental or consequential damage, interrupted operation or other causes.
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