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Summary of Contents for Manley 120 Watt Monoblock Amplifier
- Page 1 MANLEY LABORATORIES, INC. OWNER'S MANUAL MANLEY 120 WATT MONOBLOCK AMPLIFIER Manley Laboratories, Inc. 13880 Magnolia Ave. Chino, CA. 91710 tel: (909) 627-4256 fax: (909) 628-2482 emanley@manleylabs.com http://www.manleylabs.com...
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Page 2: Table Of Contents
SECTION INTRODUCTION MAINS CONNECTIONS CONNECTING YOUR AMPLIFIER BIAS PROCEDURES OPERATIONAL NOTES SPECIFICATIONS WARRANTY WARRANTY REGISTRATION CONTENTS PAGE... -
Page 3: Introduction
We have developed a magnetics winding department right here at Manley Labs where we design and wind the audio transformers. Thank you again, and please enjoy! GENERAL NOTES LOCATION &... -
Page 4: Mains Connections
Your amplifier has been factory set to the correct mains voltage for your country. The voltage setting is marked on the serial badge, located on the rear panel. Check that this complies with your local supply. Export units for certain markets have a moulded mains plug fitted to comply with local requirements. If your unit does not have a plug fitted the colored wires should be connected to the appropriate plug terminals in accordance with the following code. -
Page 5: Connecting Your Amplifier
CONNECTING YOUR AMPLIFIER IMPORTANT: PLUG IN THE TUBES. We do not ship the amps with the output tubes inserted to prevent breakage. Before plugging in anything, locate the 2 tubes (KT-90s or 6550s) packed with the amp and insert them in the two large tube sockets. -
Page 6: Bias Procedures
The Manley 120 Watt Amplfier uses a variable "fixed bias" system that requires very little attention. If you wish to adjust or check the bias, complete the following steps. For this procedure you will need a multimeter to read millivolts (less than 2 volt range) and a small flat screwdriver. Looking at the front section of the top plate of the amplifier, you can see 2 red tip jacks and 1 black tip jack. -
Page 7: Operational Notes
OPERATIONAL NOTES SWITCHING ON The power switch is located on the lower left hand corner of the front panel. Push the top of the rocker switch (1) to turn on the amplifier and the bottom of the rocker to turn off the amplifier. The LED on the right side of the front panel will illuminate indicating that the amplifier is operating. -
Page 8: Specifications
Vacuum Tubes: Output Power Frequency Response, +/- 1 dB Input Sensitivity Input Impedance Load Impedance S/N Ratio @100W Power Consumption Mains Fuse Dimensions Shipping Weight SPECIFICATIONS 2 x KT-90 or 6550 (or good KT-88), 1 x 5751, 1 x 7044 120 Watts tetrode, 65 triode 20 Hz - 50 KHz 1 Volt nominal... -
Page 9: Warranty
WARRANTY All Manley Laboratories equipment is covered by a limited warranty against defects in materials and workmanship for a period of 90 days from date of purchase to the original purchaser only. A further optional limited 5 year warranty is available to the original purchaser upon proper registration of ownership within 30 days of date of first purchase. -
Page 10: Warranty Registration
WARRANTY REGISTRATION We ask that you please fill out this registration form and send the bottom half to: Or you may FAX it to: 909-628-2482 Registration entitles you to product support, full warranty benefits, and notice of product enhancements and upgrades. You MUST complete and return the following to validate your warranty and registration.
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