Arcam Delta 110 User's Manual
Contents
1. tow green to indicate that a disc has been selected to listen to Phase switch This is an absolute phase reversal switch which operates on the co axial and optical digital inputs only Its use is not essential as the difference in sound between the two positions is normally small However it does give the more enthusiastic listener the opportunity to achieve optimum results Due to the electronic complexity of the recording process some CDs are produced with absolute phase inversion and can sound better when phase reversed For example a drum sound which should be reproduced by the forward motion of your loudspeaker diaphragms when phase inverted becomes a signal which moves them backwards The phase switch allows you to correct this reversal Normal phase reproduction is achieved when the LED above the phase switch glows green For absolute phase reversal push the phase switch once and the LED with glow red A second push will cause the system to revert to the normal position again The switch position for a particular recording should be determined by listening We suggest that by colour coding your CDs to match the phase switch LED you can have easy reference to preferred switch settings in future Note that the phase LED will only be illuminated when one of the digital inputs is selected for either listening or recording Mono The Delta 110 is in its normal stereo mode when the LED above the mono button is not illuminate2. button to try to listen as this will disable the signal sent out from tape 1 to tape 2 Instead push the tape 2 button to listen to the signal routed back to the pre amplifier via the second tape recorder s own amplifiers This logic is built into the control program to avoid tape feedback loops Therefore it is not possible to assign both listen and record functions at the same time to either tape 1 or tape 2 If the listen function is already tape 1 or tape 2 and the equivalent record function is selected the command is ignored If the record function is already tape 1 for tape 2 and the equivalent listen function is selected then the listen selection will override the record which will be disabled Delta 110 digital pre amplifier Remote contro of the Delta 110 The CR20 remote control handset is supplied with the Delta 110 It is powered by 4 x alkaline manganese AAA cells supplied which are inserted in the base of the handset To access the battery compartment slide the whole bottom panel forwards approximately 5cm 2 inches Take care to insert the batteries the right way round We recommend that the batteries should be removed from the handset if it ts not to be used for some time Using your CR20 remote control The CR20 remote handset has a range of about 5 metres and should always be pointed at the centre of the Delta 110 Take
3. Replacement is simply the reversal of this procedure Connecting cables When dealing with high quality hi fi systems such as those based around a unit with the resolving power of the Delta 110 the question of connecting cables becomes of paramount importance We strongly recommend that only first class loudspeaker and interconnect cables be used with your hi fi system We have found interconnect and loudspeaker cables from the AudioQuest range to be particularly suitable Detailed information on the AudioQuest range of cables may be obtained from your dealer or the factory As a rule of thumb you might budget to spend between 5 and 20 of the price of your system on cable Surprising though it may seem this can be one of the most effective upgrades you can carry out on your system We suggest that you discuss the question of interconnect and loudspeaker cables with your dealer Delta 110 digita pre amplifier Check list Should you have any difficulty in operating your pre amplifier check the following before suspecting that a fault has developed No power and LED not illuminated Check that 1 the mains supply is connected and that the mains lead is fully home in the mains inlet socket at the rear of the amplifier 2 the mains is switched on and that the power switch on the front panel is depressed and has fully latched 3 the fuse in the mains plug has not blown and that the mains socket in the wall is live test with a
4. internal circuits take some time to stabilise fully We have found that the very best sound quality may not be obtained until the unit has had some time possibly up to twelve hours or more to warm Up Delta 110 digital pre amplifier Rear panel connections OPTICAL DIGITAL MONITOR INPUT INPUT OUTPUT All analogue audio inputs and outputs are via RCA phono connectors All the phono sockets on the Delta 110 are marked L for the left channel and R for the right channel with the left channel nearer the top of the cabinet Your connecting leads will be marked either L or R or will have a white or black plug for the left channel and a red plug for the right Disc input For the purposes of playing records the Delta 110 can accept both moving magnet and moving coil cartridges For either type of cartridge the plugs on your turntable lead should be connected to the disc input sockets on the rear panel of the unit Aswitch just to the side of these sockets allows the selection of either MM or MC input The switch should be left out for use with MM and high output MC cartridges and depressed for use with low output normal MC cartridges If your turntable has a separate earth lead then this should be firmly attached to the earth terminal to be found on the rear of the amplifier just above the MM MC selector OUTPUTS TAPE 2 TAPE 1 TUNER AV DISC 1 2 OUT N ou N Q se g oop OG PP L Note Never operate the MC MM sele
5. LED above the selected input will glow green Do not attempt to push more than one button at a time Adjust the volume as required Record function See page 9 for full details on tape recording and dubbing The record button is used to select the source required for recording The signal is routed to both tape outputs which are compatible with cassette decks open reel decks hi fi stereo VCR s or the analogue inputs of DAT recorders The record button acts rather like a shift key on a computer or calculator When it has been depressed the red LED above the record button will flash for approximately 5 seconds While the LED is flashing any of the 7 function buttons may be selected to determine which input is to be recorded fi e routed to the tape outputs The LED above the selected input will now glow red Notes 1 Because the Delta 110 incorporates only one set of digital to analogue converters DACs it is not possible to listen to one of the digital sources whilst recording the other 2 If you have chosen to record from the same source that you are listening to for instance tuner the LED above the tuner input will simply glow green and no red LEDs will be visible above the input buttons If you then select another input to listen to for instance disc the LED above the tuner input will now glow red to indicate that the tuner is being recorded and the LED above the disc input will now
6. accidentally disabled it is possible to remove the Delta 110 from its standby or mute modes by briefly switching the unit off and on again with the mains power switch 2 The record function has been deliberately omitted from the remote control in order to avoid accidental or inadvertent operation 3 The volume control of the Delta 110 may also be operated by the CR10 remote control handset supplied with Arcam CD players Arcam Alpha Delta 70 2 and Delta 170 models Other handsets that use the Philips RC 5 system may also be compatible 4 The two unmarked buttons on the CR20 have no function Delta 110 digital pre amplifier Cartridge loading modules These optional accessories are passive switchable modules signed to modify the input impedance of the amplifier in order to btain the best match with the cartridge in use As the Delta 110 has a single set of disc inputs switchable to MM or MC via the switch on the rear panel then two separate loading modules one for moving magnet type ULM M and one for moving coil type ULM C cartridges are available on request from your dealer distributor or the factory These modules are user adjustable via a series of small switches The appropriate MM or MC loading module should be plugged into the amplifier on the pins located close to the disc input see section Removal of Top Plate below A set of instructions is provided with each module Care should be taken
7. care not to obstruct the remote receiver located immediately below the mute LED or the pre amplifier will not accept the handset s commands When using your handset hold each button down for about I second Do not attempt to press more than one button at a time The CR20 allows remote selection of any of the seven inputs together with the absolute phase of the digital inputs and mono stereo Selection In addition the CR20 allows the user to adjust the volume control up and down by pressing the volume and keys These activate a small motor behind the volume control it takes approximately 6 seconds to go from zero to maximum or vice versa It is not possible to adjust the balance by remote control The mute button reduces the output level of the pre amplifier by 40dB when it is activated the mute LED in the centre of the pre amplifier glows red This can be most useful when taking telephone calls or answering the front door etc Pushing the mute button for a second time will restore normal operation The red standby button puts the whole pre amplifier into standby mode All inputs outputs are disabled and only the green power LED remains cn Nevertheless all power supplies remain active keeping the Delta I 10 circuits fully warmed up and ready for use All functions may be restored to their pre standby status by __ pressing the standby button for a second time Notes 1 If the remote contro becomes lost or
8. input and that the correct input on the amplifier is selected 2 the output leads are connected to the correct input sockets on the power amplifier 3 the volume control is not set to minimum 4 if disc is selected that the cartridge selector switch is set to the correct type of cartridge NB Do not operate this switch with the volume control turned up 5 if CD is selected your machine is playing a CD 6 the pre amplifier is not in mute or standby modes 7 headphones are not plugged into the Delta 110 as this automatically mutes the main outputs 8 if the digital inputs are being used the output from the digital source is switched on Loud hissing and crackling from speakers via digital inputs possibly with residual audio signal 1 check the connection between the CD player s digital output and the Delta 110 digital input 2 if the digital output of your CD player is switchable ensure the switch is in the on position Delta 110 digital pre amplifier Addendum The Arcam Delta 110 digital pre amplifier has been upgraded with the inclusion of a new precision hybrid 18 bit DAC digital to lalogue converter This new DAC employs both multi bit and single bit technology to give outstanding results To achieve an open and dynamic midrange and treble multi bit technology is used for the upper 10 bits The lower 8 bits use a single bit system for excellent low level resolution In additi
9. to ensure that only an MM loading module is used in conjunction with moving magnet or high output moving coil cartridges and that only an MC loading module is used in conjunction with normal low output moving coil cartridges Under no circumstances adjust the loading module switches when the amp is switched on and the volume turned up as severe damage may occur to your amplifier or speakers It must be emphasised that these passive modules have a subtle effect on the sound balance and frequency response They will have little or no effect on the sensitivity of the amplifier Most cartridges will perform satisfactorily without any loading module Before fitting a cartridge loading module it is ESSENTIAL to note the precautions detailed below Removal of top plate The installation of a loading module is a straightforward operation provided you follow the instructions If you are In any doubt please consult your dealer Should you need to install a cartridge loading module before removing the top plate ALWAYS SWITCH OFF THE AMPLIFIER AND DISCONNECT IT FROM THE MAINS SUPPLY tT Note that the mains fuse remains live whenever the amplifier is plugged into the mains even when the amplifier power switch is in the off position l To remove the top plate unscrew the two black headed screws at the top of the rear panel using a No I Pozidriv screwdriver Lift the top plate vertically and pull it backwards slightly to release it
10. 0 is sufficiently low at 25 ohms to allow for runs of audio cable up to about 20 metres to be used without any serious degradation of sound quality Note A pair of good quality pre to power amplifier interconnect cables is provided as standard with the Delta 110 but please refer to Connecting cables on page for further information on this important topic Digital inputs The Delta 110 incorporates an advanced Push Pull Bitstream digital to analogue converter This will accept the digital output signals from compact disc players or domestic DAT recorders that conform to the S PDIF standard Sony Philips digital interface Optical and 75ohm co axial inputs are rovided Both inputs will switch automatically between the CD __Ampling rate 44 I KHz and the DAT sampling rate 48kHz Both 75ohm co axial and Toslink type optical interconnects of approximately 0 75m length are supplied These make connecting your CD player or DAT player to the Delta 110 very straightforward If longer cables are required they should be of the correct type for example regular audio phono to phono cables are generally not suitable A 750hm co axial aerial or video cable terminated with phono plugs should be used We particularly recommend AudioQuest video cables Video X and Video Z obtainable from your Arcam dealer or in case of difficulty directly from the factory in the U K Digital monitor output The digital monitor output is a phono type
11. 5 electrical safety requirements standard Dimensions Width 430mm Height 64mm Depth 270mm Weight gross packed 5 2 kg nett unpacked 3 7 kg Delta 110 digital pre amplifier Guarantee for UK sales This equipment has been fully tested and a full record of these tests made before despatch from the factory Both the workmanship and the performance of this equipment are except as set out below guaranteed against defects for a period of two years from the date of purchase provided that it was originally purchased from an authorised UK dealer under a consumer sale agreement The words consumer sale shall be construed in accordance with Section 15 of the Supply of Goods Implied Terms Act 1973 The manufacturers can accept no responsibility for defects arising from accident misuse wear and tear neglect or through unauthorised adjustment and or repair neither can they accept responsibility for damage or loss occurring during transit to or from the person claiming under this guarantee This guarantee covers both labour and parts and is transferable to subsequent purchasers but the liability of the manufacturers is limited to the cost of repair or replacement at the discretion of the manufacturers of the defective parts and under no circumstances extends to consequential loss or damage Claims under this guarantee This equipment should be packed in the original packing and returned to the dealer from whom it was purchased or fa
12. AUGIOPNIE productis rom A amp R Cambridge Delta 110 digital pre amplifier Delta 110 digital pre amplifier Introduction The Arcam Delta 110 pre amplifier and its matching power amplifier the Delta 120 have been designed to meet the requirements of the most demanding listener Combining excellent sound quality with modern but restrained styling the Delta 110 and 120 will provide the heart of any high quality sound system The Delta 110 pre amplifier has five switchable analogue inputs These accept signals from a turntable tuner two tape inputs and an AV component such as a stereo VCR or the Arcam Delta 150 Nicam stereo TV tuner The Delta 110 also has two digital inputs which accept the signal directly from the digital output of a compact disc player such as the Arcam Delta 170 transport or DAT player The switching system of the Delta 110 offers separate listen and record functions allowing the user to listen to one programme at the same time as recording another from an entirely separate source To increase further its versatility and ease of use the Delta 110 is provided with an infra red remote control handset which operates the input selection mono mute and volume controls Please study this manual carefully to ensure that you get the best results from your pre and power amplifiers Remember your dealer is there to help you He has full technical and service information for all Arcam products and considerabl
13. co axial socket which provides an exact duplicate of the digital input selected on the front panel For example if the co axial input is selected and it is connected to your CD player that digital signal can be fed via 75ohm co axial cable into the digital input of a DAT player in order to record assuming that the DAT player is compatible with the 44 1kHz sampling rate The digital monitor output can also be used to daisy chair a digital signal to a further outboard D A converter or digital processor Note Because the digital monitor output socket duplicates an input signal it cannot change the sampling frequency i e a 44 1kHz input is sent on as a 44 I KHz signal Delta 110 digital pre amplifier Front panel controls DISC AV TUNER TAPET TAPE 2 DIGITAL OPTICAL PHASE MUTE BITSTREAM D A CONVERSION Mains power switch The Delta 110 is turned on by depressing the power switch The small LED light emitting diode above the switch will glow green After a second or two you may hear a gentle click from inside the pre amplifier This indicates that the various signal switching and muting relays are taking up their correct settings and that the unit is ready for use To turn off the Delta 110 depress the power switch again so that it unlatches The LED will go out Standby mode When the Delta 110 ts switched off with the remote control handset it is in the standby mode In standby the listen and re
14. cord selectors are dis engaged All LEDs are extinguished except the power LED and the audio output is muted We recommend leaving the Delta 110 in the standby mode when not in use in order to obtain the best possible sound quality when switching on again DELTA 110 DIGITAL PRE AMPLIFIER RECORD MONO BALANCE ae PHONES POWER JUUUU UUL Ul VOLUME Input selection Function selection of all the Delta 110 s seven inputs is carried out by microprocessor control with one touch push buttons Status is indicated by a row of LEDs one above each control button This technique enables the Delta 110 to be operated via its infra red remote control handset if required The system permits separate listen and record functions allowing one input to be listened to whilst another input is being recorded By connecting an integrated amplifier and a pair of speakers to one of the Delta 110 tape outputs any source selected with the record button on the Delta 110 will be routed through to the integrated amplifier making a very simple but practical and affordable multi room system Listen function Select the input you wish to listen to by depressing the relevant button i e disc AV tuner tape 1 tape 2 co axial digital or optical digital The selected input signal is then routed to the pre ampilifier s main outputs and headphones socket ee Delta 110 digital pre amplifier The
15. ctor on the rear of the amplifier with the volume control turned up as the resultant electrical surge may damage your loudspeakers A V input This is a line input of 200mV sensitivity It is suitable for use with many A V and normal audio products such as the Arcam Delta 150 Nicam Stereo TV tuner the audio output of a VCR or the analogue output of a CD player or laser disc player Tuner input The tuner input is suitable for use with almost any AM or FM tuner Connect your tuner to the pre amplifier using the phono sockets marked tuner Tape inputs outputs The Delta 110 has the facility to connect two tape recorders and is suitable for use with almost any cassette deck open reel deck or stereo VCR 1 Connect the record or line in sockets of your tape deck to the phono sockets marked out on the rear of the Delta 110 using phono phono leads Delta 110 digital pre amplifier 2 Connect the playback or line out sockets of your tape deck to the phono sockets marked in on the rear of the Delta 110 using phono phono leads Outputs The Delta 110 is equipped with two identical line outputs compatible with power amplifiers requiring inputs in the range of 500mvV to 2V for full power output Both pairs of outputs may be used simultaneously if required The outputs are short circuit proof and are also automatically muted at switch on and switch off The output impedance of the Delta 11
16. d Then the left and right input signals are amplified independently to feed the corresponding main outputs and stereo headphones jack socket When the mono button is depressed the LED above it glows green The left and right signals are then mixed together and the combined signal is routed to the main outputs and headphone socket This is particularly useful when listening to mono records or tapes as much of the low frequency out of phase rumble can be eliminated or to remove excessive hiss from weak FM broadcasts It is also invaluable for checking speaker phasing in a stereo hi fi system Depressing the mono button a second time will restore the system to stereo operation Delta 110 digital pre amplifier Balance control This is set so that in the normal 12 o clock position the left and right signals are amplified equally Adjusting the balance control anti clockwise will then move the stereo image to the left moving the control clockwise moves the image to the right For optimum performance the balance control is inside the feedback loop of the Delta 110 line amplifier stage As the control s range is limited to approximately 10dB it is not possible to mute one channel completely Volume control This adjusts the listening levels of the left and right channels together through both loudspeakers and headphones Note that neither the volume or balance controls affect the level of signals sent to the tape outputs The vol
17. e experience of their use in a variety of systems If however he is unable to answer your query then do not hesitate to contact us here directly Delta 110 digital pre amplifier Installing and using your Delta 110 pre amplifier Mains Supply The Arcam Delta 110 may be supplied to work on any of the following AC voltages 110V 220V and 120V 240V 100V units can be supplied to special order Check that your local mains supply voltage agrees with the voltage setting indicated on the back panel of the Delta 110 If not please contact the factory or your national distributor for details of how to proceed further A detachable mains lead is supplied with the Delta 110 The cores of this lead are coloured in accordance with the following code Green and yellow Earth Blue Neutral Brown Live Note Export units for certain markets have moulded mains plugs fitted as standard As the colours in the mains lead may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured green and yellow must be connected to the terminal on the plug which is marked by the letter E or to the safety earth symbol or to the terminal coloured green or green and yellow The wire which is coloured blue must be connected to the terminal which is marked by the letter N or coloured black or blue The wire which is coloured brown must be connected to the terminal which marked by the
18. iling this any other authorised Arcam dealer If it is not possible to return the equipment by hand then it should be sent carriage prepaid by a reputable carrier Should the original packing not be available replacement packing can be purchased from the manufacturers The equipment should not be sent by post DO NOT CONSIGN THE EQUIPMENT TO A amp R CAMBRIDGE UNLESS YOU HAVE FIRST BEEN SPECIFICALLY REQUESTED TO DO SO BY THE MANUFACTURER S TECHNICAL SERVICE DEPARTMENT DO NOT UNDER ANY CIRCUMSTANCES ATTEMPT TO DISASSEMBLE THE EQUIPMENT BEFORE DESPATCH If you have difficulty complying with these requirements piease contact the manufacturers at the following address A amp R Cambridge Limited Pembroke Avenue Denny Industrial Estate Waterbeach Cambridge CB5 9PB England Telephone 0223 440964 Fax 0223 863384 In either case you should state clearly your name and address the date and place of purchase together with a brief description of the fault experienced In the event of equipment being returned which on test is found to comply with the published specification the manufacturers reserve the right to charge a reasonable fee for testing the equipment and for return carriage Enquiries The manufacturers are happy to answer any queries You may have regarding the use of this equipment on the condition that this enquiry is by letter and a stamped addressed envelope Is provided You should state clearly the serial number of
19. letter L or coloured red or brown Fuses If the mains plug is fused fit a 3 amp fuse The AC supply inlet to the Delta 110 uses a standard IEC chassis mounting plug The IEC line socket on your mains lead and the IEC plug on the Delta 110 are a tight fit before first using the Delta I 10 it is therefore important to ensure that the socket is firmly pushed home into the chassis plug Under no circumstances should the Delta 110 cover be removed unless the supply is disconnected at the wall socket Notice 1 Please retain the carton and all packaging materials provided with this equipment so that it may be repacked correctly if it ever becomes necessary to transport the unit or to return it for service 2 If servicing is required then the equipment should be properly packed and returned to the dealer from whom it was purchased It is essential to include a covering letter giving your name and address and a brief but thorough description of the fault Connections and warming up There are two points that should be noted before using your Delta 110 Firstly it is advisable that your system is switched off before connecting it up to the Delta 110 This will avoid possible damage to your loudspeakers At the very least ensure that the volume control on the amplifier is turned down or an unused input is selected Secondly although the Delta 110 will play music within seconds of switching on in common with other audiophile products its
20. mended load 5kQ Channel balance 1dB Tape 1 and tape 2 Nominal output level 300mV Output impedance 700 Maximum output level 5V rms Minimum recommended load 5kQ Crosstalk any input lt 65dB at IkHz Channel balance 0 1dB Headphone output Nominal output level 4V Output impedance 2000 Recommended load range 320 to 2kQ Maximum output level 8V Noise CCIR volume control at zero 80dBV Channel balance 1dB INPUTS Disc Moving magnet cartridge Sensitivity 2mV Noise CCIR ref 500mV output 64dB Input impedance 47kQ Overload margin at IkHz 28dB Moving coil cartridge Sensitivity 100uV Noise CCIR ref 500mV output 50dB Input impedance 2200 Overload margin at 1kHz 28dB Av tuner Sensitivity 200mV Noise CCIR ref 500mV output 89dB Input impedance 45kQ Tape 1 and tape 2 Sensitivity Z00mV Noise CCIR ref 500mV output 89dB Input impedance 45kQ Digital coaxial optical Output at MSB 3V Signal noise CCIR 96dB Distortion lt 0 01 Dynamic range 96dB Channel balance 0 2dB Frequency response to main outputs Disc 0 2 0 5dB 50Hz to 20kHz Line A V tuner tape I tape 2 0 1 0 5dB 20Hz to 20kHz Digital inputs 0 1 0 5dB 20Hz to 20kHz Delta 110 digital pre amplifier GENERAL Power supply Normally set to 220 240V AC 50 to 60Hz May also be wired for 110 120V operation 100V version available to special order Maximum power consumption 20VA Meets IEC 6
21. nother item appliance Power on and LED illuminated but output from one loudspeaker only Check that 1 the output leads are connected into the correct input sockets on the power amplifier 2 both the left and right channels of the selected source are connected correctly and the input wiring is not faulty check by swapping over the left and right input connectors If in doubt contact your dealer 3 the balance control is positioned at 12 o clock Loud hum heard through loudspeakers when DISC is selected Check that 1 the ground lead from the turntable if fitted is connected firmly to the ground terminal on the rear of the amplifier 2 the amplifier is correctly earthed via the mains lead 3 your cartridge is not sited directly above your amplifier s mains power transformers move the amplifier away and check if the hum level changes 4 other transformers in the vicinity are not radiating into the Delta 110 Loud hum heard through only one loudspeaker when DISC is selected Check that 1 the ground wire is not faulty within the respective channel s lead This is easily checked by swapping over the leads and checking if the hum moves to the other channel 2 the headshell leads connected to the cartridge on the respective channel are not faulty or loose If in doubt please consult your dealer Power on and LED illuminated but no output from the amplifier Check that 1 the amplifier is connected to the desired
22. on the Delta 110 features a clock output for connecting to the Arcam Delta 170 3 CD transport By installing the master clock in the Delta 110 and the slave clock in the Delta 170 3 jitter is greatly reduced resulting in sound quality usually attributed to very expensive high end CD players Instructions on how to connect the D110 to the Delta 170 3 follow All other instructions in the manual are unaffected by the inclusion of the new DAC Connecting to the Arcam Delta 170 3 CD transport In addition to the digital connection from the Delta 170 3 to the Delta 110 connect the Delta 110 SYNC LOCK clock output to the Delta 1 70 3 s clock input using a Toslink type optical cable This method will give the very best sound quality The Delta 170 3 and the Delta 110 will synchronise automatically Technical specification digital inputs Conversion system Upper Lower Sampling rates accepted Dynamic range Signal to noise ratio DIN AUDIO Harmonic distortion OdB Hybrid 18 bit DAC 10 bits multi bit 8 bits single bit 32KHz 44 1kHz 48kHz 108dB 96dB 0 005 Delta 110 digital pre amplifier Technical specifications OUTPUTS Main outputs Nominal output level 2V Output impedance 250 Reduction in output level when muted 40dB Noise CCIR volume control at zero 97dBV Crosstalk any input lt 70dB at IkHz Distortion 20Hz 20kHz 1 0V rms lt 0 01 Maximum output level gt 8V rms Minimum recom
23. the record button to select the appropriate input as described on page 7 Set your tape recorder into its recording mode and this input will be recorded Selecting the same input to listen to will not affect the signal sent out to the recorder and will now enable you to listen to the input being recorded If your tape recorder is a 3 head design this will allow A B monitoring of the actual recording while it is taking place Switching between the original source and the tape 1 button during recording will then allow you to make a true before and after A B comparison Playback tape 1J et Push the tape I button and set your tape recorder in its playback mode Recording and playback tape 2 Proceed exactly as above except use the tape 2 sockets and tape 2 button when monitoring or playing back the recording Tape to tape dubbing The Delta 110 allows 2 way tape dubbing copying from tape Ito tape 2 or vice versa For example to copy from a recorder connected to the tape 1 sockets to a recorder connected to tape 2 first push the record button on the Delta 110 and then select tape 1 This routes the tape 1 signal to tape 2 s output Then set the second tape recorder into its record mode and the first to playback mode to enable the transfer to take place If you wish to listen to this transfer while it is taking place do not push the tape 1
24. the unit the dealer from whom it was purchased and the date of purchase THIS GUARANTEE IN NO WAY VARIES OR REMOVES A PURCHASER S STATUTORY RIGHTS Part No SHO33A E amp OE AUGUST 1992 Designed by Carrods Graphic Design Cambridge
25. ume control is motorised for remote control see p 10 The special clutch used allows it to be adjusted manually without any risk of damaging the drive motor However take care not to force the volume knob beyond its end stops at approximately 7 o clock for minimum volume and 5 o clock for maximum Headphones socket The Delta 110 incorporates its own high quality headphone amplifier which is suitable for both high and low impedance headphones using a standard inch 6 35mm jack plug It is not generally suitable for use with electrostatic headphones Note that the Delta 110 s two main stereo outputs are automatically muted when the headphone jack is pushed home Delta 110 digital pre amplifier Tape recording Tape recording The Delta 110 is extremely versatile when using tape ecorders allowing you not only to record from one source but also to listen to another source at the same time Both sets of tape sockets tape 1 and tape 2 are identical in function and suitable for use with almost any type of recorder cassette hi fi VCR reel to reel DAT etc Connecting up Connect your tape recorder to the tape 1 sockets using the In sockets for playback and the out for record A second machine may be connected to the tape 2 sockets in the same way if required Recording tape 1 Any input signal available on the Delta 110 may be routed to the tape 1 output sockets by using
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