Manley 50 WATT MONOBLOCK AMPLIFIER Owner's Manual

MANLEYLABORATORIES, INC.OWNER'S MANUALMANLEY STINGRAYINTEGRATED AMPLIFIERMANLEY LABORATORIES, INC.13880 MAGNOLIA AVE.CHINO, CA. 91710TEL: (909)

1123441 2 3 5 6 78TP GTP GTP 5TP 5TP 6TP 6TP 7TP 7TP 8TP 8BIAS TRIMS BIAS TRIMS  ADJUST FOR 250 mV DC ADJUST FOR 250 mV DC  WITH WITHNO SIGNALNO S

The Rear Panel Controls: In the summer of 2005 we added a bunch of features to the Stingrayproduction version 3 that previously were available as add-

12LOOP RETURN- This input comes in after the Input Selector and just before the Stingray'sBalance and Volume controls. If you have all your sour

SPEAKER POSTS - The speaker connection posts are on the back side panel and labeled onthe top panel. The RED is positive and WHITE (or black) is negat

Optimizing Your Sound SystemThis section is full of little hints that may help you get the most out of your stereo - and it may not costanything or co

You may have bought a great system but there is a good chance that you are only getting a fraction of it'spotential. Very frequently we have expe

TUBE FAQA few general all-too-frequently-asked vacuum tube questions from the manleylabs.com FAQas found on our website are answered here in case you

More silly vacuum tube questions...FAQ #16f. Should I turn off my gear between uses?While power cycling is a factor for ultimate tube life, there also

What should I know about BIAS? Bias is a simple DC (negative) voltage that sets, what is called,the "operating point" of the tube. For our

CREDITSAn EveAnna Manley ProductionFeaturing concept, layout and industrial design by EveAnna Manley,Starring: Paul Fargo for Input InnovationsHutch f

CONTENTSINTRODUCTION 3MAINS CONNECTIONS 4OPERATIONAL NOTES 5CONNECTING YOUR STINGRAY 6&7SIMPLE TROUBLESHOOTIN

SPECIFICATIONSOutput Tubes: 8 x EL84 Ships with Ei 6BQ5Driver Tubes: 2 x 6414 Ships with GE or RAYTHEON JAN NOS USA or 6414WInput Tubes: 2 x 12AT7WA S

WARRANTYAll Manley Laboratories equipment is covered by a limited warranty against defects in materials andworkmanship for a period of 90 days from da

WARRANTY REGISTRATIONWe ask, grovel and beg that you please fill out this registration form and send the bottom half to:MANLEY LABORATORIESREGISTRATIO

INTRODUCTIONTHANK YOU!...for choosing the Manley STINGRAY integrated amplifier for your loudspeaker driving requirements. You havepossibly chosen this

MAINS CONNECTIONSYour STINGRAY has been factory set to the correct mains voltage for your country. (Well, that is what weintended to do when we knew

OPERATIONAL NOTESPREPARATION FOR INSTALLATIONBudget a suitable space in which to place the amplifier and associated interconnect and mains power cabl

CONNECTING YOUR STINGRAYSetting up this integrated amplifier is rather easy. Please refer to page 8 for a diagram of theback of the Stingray.1. You wi

75. Connect the speaker leads to the terminals on the top far left and far right of the Stingray.Be sure that the RED (+) positive terminal is conne

Troubleshooting: It is rare that any of these problems occur but if they do here are some things to try.HUM - Try a mains ground adapter if they are l

A C BFRONT PANEL91 0LAMPA - BALANCE - This is a special Noble balance control