THANK YOU!... for choosing the Manley Laboratories REFERENCE 20 BIT DIGITAL TO ANALOGUE CONVERTER. Please read over this manual carefully as it contains information essential to proper operation of this unit. The MANLEY DIGITAL TO ANALOGUE CONVERTER features completely dual- mono analogue sections and power supplies.
MAINS CONNECTIONS Your unit 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.
FRONT PANEL CONTROLS DIGITAL INPUT SELECT: Selects any of the 4 digital inputs. Positions 1, 2 and 3 correspond to the RCA phono style S/PDIF and the XLR AES / EBU inputs. Position 4 corresponds to the A.T.&T. Optical input. When the switch is changed the output mutes until "VALID DATA"...
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HDCD LED: Lit when the digital source has been HDCD ® encoded. The decoding process takes place automatically. PHASE SWITCH: In the "180" position this reverses the polarity of both channels. The process is digital. Often a subtle change depending on the music and symetry of the waveforms.
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IEC POWER RECEPTACLE: The power cable shipped with the converter connects into this socket. FUSE HOLDER: Replace only with 1 AMP 220 Volt similar type. GROUND TERMINAL: Chassis Ground. Some installations may be helped by connecting a wire from this terminal to the preamplifier. Also this may require that the third pin mains ground be disconnected.
GOLD PLATED DIGITAL BOARD Theoutput level of the DAC is set at the factory. If it is not optimum it is possible for you to adjust it to match your system. We use a standard test CD with a 1 KHz "full scale" (maximum digital value) and adjust the trimmers for 2.0 volts AC RMS measured at the output jacks.
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1 PACIFIC MICROSONICS HDCD CHIP VACUUM TUBE HIGH CURRENT LO-IMPEDANCE MANLEY LINE DRIVERS 4 TUBES ( 4 DIRECT COUPLED TRIODES PER CHANNEL) 14 SEPARATE POWER SUPPLY REGULATORS: PRECISION 4 WAY STEPPED ATTENUATOR 4 WAY INPUT SELECTOR SWITCH PHASE / POLARITY SWITCH...
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.
WARRANTY REGISTRATION We ask that you please fill out this registration form and send the bottom half to: 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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