Manuals / Hafler / Home Audio / Stereo Amplifier

Hafler DH-110 manual

Models: DH-110

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Specification Your choice of separate components is the right way to secure the best performance from a music system, but the wide-bandcharacteristics and complexity of the best sys- tems may also not conceal the introduction of ground loops and noise pickup-especiallyRFI radio frequency interference. With exceedingly high quality equipment we may become conscious of distractions that would be ig- nored on a lesser level. Careful interwiring practice will greatly reduce the likelihood of such problems Install Parts list Functional Block Diagram Warranty As assembled, units are normally wired for 120 VAC If A Problem Arises INSTRUCTIONS for ASSEMBLY and OPERATION Volume Control

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Printed in USA

Printed in USA

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Hafler DH-110 manual

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Manual 24 pages 31.49 Kb

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Contents

DH-110 INSTRUCTIONS for ASSEMBLY and OPERATIONTHE PREAMPLIFIER $3.00SPECIFICATIONS INTRODUCTION AdditionalAs assembled, units are normally wired for 120 VAC OPERATION MONO SWITCH FILTER SWITCHEPL SWITCH TONE SWITCHProper Soldering ALL SOLDER USED MUST BE ROSIN CORE BUILDING THE KIT 14 0 Select the two right angle 15-pinplugs, and install their shorter pins at locations J22 and J24 at the top of the board, so that the bent pins point toward the upper edge. Be sure these sockets are tight against the board, and make certain that every pin connec- tion is properly soldered. Examine each connection closely to make sure there are no solder bridges between the tracks Page IGHT PHONO LEFT PHON’SELECTOR MONITORVOLUME co “0 “0LEFT LINE llllwire to hole Q, which is between the center lugs of Jll and 512. S. The wire should not protrude sig- nificantly beyond the front surface of the board to avoid coming in contact with a connector. To assure a good solder connection, bare wire should be visi- ble on the circuit side of the board. Connect the green wire to hole P in like manner. S IF A PROBLEM ARISES AC LINE CONNECTIONS FOR OVERSEAS USEJo KO ma--//---K/W d B L A C K IOOVADDITIONAL INFORMATION Rl Value KohmsDesired Load Kohms Your choice of separate components is the right way to secure the best performance from a music system, but the wide-bandcharacteristics and complexity of the best sys- tems may also not conceal the introduction of ground loops and noise pickup-especiallyRFI radio frequency interference. With exceedingly high quality equipment we may become conscious of distractions that would be ig- nored on a lesser level. Careful interwiring practice will greatly reduce the likelihood of such problems FUNCTIONAL BLOCK DIAGRAM COMPONENT VALUES POWER SUPPLY PC12a~OOOOOOOOQOOO 10000SCHEMATIC DIAGRAM DH 110 PREAMPLIFIERl75y7q PC13IB*LINCE lYONOlNON-COMPONENTBACK SIDE KIT PARTS LISTSERVICE POLICY AND LIMITED WARRANTY PC13OC2$ c130