MANLEY LABORATORIES, INC. OWNER'SMANUAL MANLEY REFERENCE DIGITAL TO ANALOGUE CONVERTER MANLEY LABORATORIES, INC 13880 MAGNOLIA AVE. CHINO, CA.
CONTENTS SECTION PAGE INTRODUCTION 3 MAINS CONNECTIONS 4 FIGURE 1 FRONT PANEL 5 FIGURE 2 REAR PANEL 6 INPUT CONNECTIONS 7 WARRANTY 8 WARRANTY REGISTRATION 9
INTRODUCTION 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, the heart of which is the only TRUE 20-BIT, 128x oversampling converter unit available today, custom made for us by ULTRAANALOG.
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. If your unit does not have a plug fitted the coloured wires should be connected to the appropriate plug terminals in accordance with the following code.
FRONT PANEL CONTROLS A B C E D F G H I J A DIGITAL INPUT SELECT: Selects any of the 4 digital inputs. Positions 1, 2 and 3 correspond to the RCA phono style SPDIF 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" is "LOCKED"onto by the AES 21 jitter reduction chip. B 32, 44.1, 48: 3 red LEDs that indicatethe sample rate of the incoming data. CD's are always 44.
MUTE ERROR LED. Red LED indicates when the Output Muting Circuit is activated. The output is reduced by over 60 dB : When there is not "VALID DATA" When the PLL is not yet "LOCKED" For 30 seconds during "WARM UP" after first powering on the converter. Immediately when the unit is "turned off". For 1 second between "INPUT SELECTS" DEEMPHASIS LED: Lit only if the digital data has been pre-empasized.
REAR PANEL A B CD E F G H I A VOLTAGE CHANGEOVER SWITCH: Set for the correct mains voltage for your area by rotating the centre section with a flat screwdriver. B IEC MAINS SOCKET: Standard IEC mains socket (120/240 VAC) C FUSE HOLDERS: Replace with 1A SLO-BLO fuse only. D UNBALANCED LINE OUTPUTS. From tube line amp. Variable GAIN. E BALANCED LINE OUTPUTS: PIN 2 HOT, PIN 3 LO, PIN 1 GROUND 6 dB more signal than at UNBALANCED OUTPUTS. F AT&T AT OPTICAL INPUT.
2 CUSTOM 20 BIT ULTRA-ANALOG DIGITAL TO ANALOG CONVERTERS 1 ULTRA-ANALOG AES 21 JITTER REMOVAL CHIP VACUUM TUBE HIGH CURRENT LO-IMPEDANCE MANLEY LINE DRIVERS 4 TUBES ( 4 DIRECT COUPLED TRIODES PER CHANNEL) 15 SEPARATE POWER SUPPLY REGULATORS: 6 @ +5V 3 @ +12 V 3 @ +15 V 3 @ - 15 V (LT) (LT) (LT) PRECISION DUAL STEPPED ATTENUATOR 4 WAY INPUT SELECTOR SWITCH PHASE / POLARITY SWITCH 3 SPDIF INPUTS 3 AES / EBU INPUTS AT&T OPTICAL INPUT BOTH UNBALANCED AND BALANCED ANALOGUE OUTPUTS LED INDICATORS FOR VALID DA
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: MANLEY LABORATORIES REGISTRATION DEPARTMENT 13880 MAGNOLIA AVE. CHINO CA, 91710 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. Thank you again for choosing Manley Laboratories. MODEL _______________SERIALNo.
