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dm10

SPECIFICATIONS & FEATURES of the

HALCRO dm10

Remote Control Preamplifier

Inputs

3 RCA Unbalanced Voltage Mode

3 XLR Balanced Voltage Mode

1 RCA Current Mode

Any 5 of the above I/Ps are user
programmable to respond to the device

names; CD, DVD, Tape, Tuner, Aux1

1 RCA Unbalanced Phono

1 XLR Balanced Phono

Moving Coil or Moving Magnet

Cartridge

Variable

Phono

capacitance

and

resistance knobs

Outputs

2 Pair RCA Unbalanced Voltage Mode,

Bridgeable

2 Pair XLR Balanced Voltage Mode,

Bridgeable

2 Pair RCA Current Mode: 1 pair for un-

bridged connection, the other pair used
in bridged mode

1 Pair RCA Tape output

¼ inch Stereo Headphone Jack

6-pin XLR power ON/OFF, pulsed and

level output control

Power supply

Switch-mode, >200kHz CW, 4th order mains
filter, 4th order supply rail filter. Fully

complies with EMC and CE standards.
Circuit contains extensive mains transient

protection and fault sensing protection.

Power consumption.

100W max via IEC input

Mains voltage.

85VAC to 240VAC at 40Hz to 200Hz or
120V to 340V D.C.
(Power supply will operate up to 270V but

IEC sockets only rated up to 240V by
regulatory authorities.)

Remote Control: 3 x AAA batteries

(supplied)

Dimensions

Width: 448mm, 17.64 inches

Depth: 400mm, 15.74 inches

Height: 240mm, 9.44 inches

Weight: 23kg, 49.6lbs

Shipping Dimensions

- Timber case

Width: 585mm, 23 inches

Depth: 535mm, 21 inches

Height: 515mm, 20 inches

Weight: 36 kg, 79 lbs

Remote Control dimensions

Length: 183mm, 7.2 inches

Width: 50mm, 1.96 inches

Thickness: 24mm, .94 inches

Weight: 280gm, .6 lbs

Gain

Un-balanced and balanced +20dB to -60dB
set by volume control.

Phono 32dB, 38dB or 44dB for moving coil,
switch selectable

+27dB for moving magnet (measured at
1kHz)

Input impedance

Balanced; 10kohm
Un-balanced; 10kohm

Moving magnet; 10kohm to 60kohm plus
60pF through to 350pF both continuously

variable
Moving coil; 220ohm plus 4.7nF

Current input mode; 50ohm

Output impedance

170 + 170ohms balanced and 170ohms
un-balanced

>30kohms current mode
10ohms headphones
340ohms tape

Distortion

Unmeasurable: below noise floor

At full specified output, < 250 parts per
billion (-132dB) for balanced and un-

balanced and current modes

Volume control

+20dB to –60dB in 0.5dB steps.

Phono equalization

Conforms to /-0.5dB of the RIAA
standard.

Содержание DM10

Страница 1: ...SOURCES 17 HOME THEATRE PROCESSOR CONTROLLING VOLUME 17 PHONO STAGE 17 CONNECTING THE MAINS POWER SUPPLY CABLE 18 REMOTE CONTROL BATTERIES 18 SWITCHING THE UNIT ON 18 ALLOCATING SIGNAL SOURCES AND THE...

Страница 2: ...er is not protected against liquids The unit shall not be exposed to dripping or splashing No objects filled with liquids such as vases shall be placed on the apparatus No naked flame sources such as...

Страница 3: ...sical dimensions to suit a standard domestic equipment rack while retaining the stunning Halcro industrial design signature Tractable controls Superior reliability Innovation in design The HALCRO dm8...

Страница 4: ...and common mode chokes Fifth the power supply and microprocessor circuits are designed for minimal electromagnetic emissions extensive 2nd to 6th order filters Sixth the power supply switching freque...

Страница 5: ...he noise floor at high frequency and its attributes are described below The output of the high input impedance amplifier stage is as well fed to a 15Hz 3rd order high pass Bessel filter This acts as a...

Страница 6: ...ol paths and virtually eliminates internal connectors thereby greatly increasing system reliability Each amplifier channel has its own micro controller the front panel display and user interface has a...

Страница 7: ...to the preamp proportions have been reworked to allow this component to be either freestanding or housed within a standard 19 shelving system Control Interface Knobs and buttons The volume and input...

Страница 8: ...g a switch mode power supply partly due to the mechanical design of their circuit boards and the boxes that contain them Supports of folded aluminum serve not only as bases to which the electronics ar...

Страница 9: ...welry that may scratch the unit and put on the white cotton gloves provided with the unit Remove the center piece of foam in base of transit case to locate the remote control and power cable Remove th...

Страница 10: ...or cover the sensor window 3 LCD information display This display delivers messages and system status to assist you in operating the unit See page 12 for a complete breakdown on the display 4 Balance...

Страница 11: ...ween in phase and out of phase mode 11 Mono Stereo button Whenever Phono is selected depressing this button will change the unit between Stereo and Mono modes Remote Control 1 Volume buttons 2 Mute bu...

Страница 12: ...the volume of both the left and right of the system fig 5 When a different signal source is selected it will appear on the main display for a few seconds fig 3 fig 4 2 Signal Source Indicator Display...

Страница 13: ...put 15 Output selector switch 1 2 Phono Resistance Capacitance selector Allows the user to precisely match the dm10 to the capacitance and resistance of the phono cartridge 3 Phono Ground Terminal Wil...

Страница 14: ...ve this switch on Remote If the unit is not attached to a power amplifier and the user is using the headphones switch to Local 12 Remote sensor window Remote sensor for programming purposes Point the...

Страница 15: ...e cables are required to run bridged power amplifiers from the balanced Voltage Output Fig 8 Comments on the different dm10 Outputs The balanced voltage outputs or current mode outputs are most desira...

Страница 16: ...The dm10 does not require a break in period The electronic break in period is completed at the factory Programmable Input Selections The dm10 has seven available pairs of programmable input connector...

Страница 17: ...use the DVD function To set the preamplifier to operate with zero gain adjust both volume channels to 0 0db The preamplifier will then have no effect on the volume You will now be able to control the...

Страница 18: ...t in Standby Allocating signal sources and the remote control All inputs must be allocated using the remote control Fig 7 Note The Phono selection is permanently allocated to the Phono inputs Once the...

Страница 19: ...st instruments This requires an oscilloscope and a test record which includes tones at several different frequencies between 10 and 20kHz or a swept frequency which includes 20kHz The oscilloscope sho...

Страница 20: ...are used displayed and the dB symbol returns Stored Volumes The dm10 memorises two volume levels These setting are for the Headphone output and the Power Amplifier output A volume setting for each pr...

Страница 21: ...ht channels Depress the function key once Fig 7 5 The display on the preamplifier Fig 3 will display BALANCE then use the Volume buttons on the remote control Depressing the VOL button will increase t...

Страница 22: ...nly for performance but reliability as well For example All Halcro electrolytic capacitors are rated at a minimum of 105 degrees C instead of the usual 85 degree C rating The operational life of elect...

Страница 23: ...0V D C Power supply will operate up to 270V but IEC sockets only rated up to 240V by regulatory authorities Remote Control 3 x AAA batteries supplied Dimensions Width 448mm 17 64 inches Depth 400mm 15...

Страница 24: ...ise for moving coil at 1kHz 1H and 600ohm coils 15nV sqrt Hz for 32dB gain or 12nV sqrt Hz for 36 or 44dB gain equivalent input noise for moving coil at 20kHz for load impedance set at 47Kohms and cap...

Страница 25: ...cloth to remove any dust Add 15 milliliters 0 5 Oz of very mild household dishwashing detergent to a 4 litre 1 gal bucket of lukewarm water Immerse the soft cloth in the bucket of water then wring the...

Страница 26: ...is connected is selected Ensure the selected source is correctly programmed The light above correct input pair must be illuminated Ensure the output select switch is set to the correct output mode En...

Страница 27: ...leasure due to the dm10 not having to leave your home If service is required all problems must be described in as much detail as possible This will help streamline the service process Return authoriza...

Страница 28: ...the date of purchase accompanies the completed warranty registration form The warranty period will commence at the date of purchase not at the date the warranty registration form is received by HALCR...

Страница 29: ...er dm10 Serial number located on a badge at the bottom of rear panel Date of purchase Day Month Year Purchased from Dealer name You must attach a copy of the original receipt for the warranty to be ac...

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