Manual - PDF
Contents
1. OPERATING INSTRUCTIONS Ashdown FreeBASS Modelling Bass Diversity Wireless System Tre A EMW EE EE E AE LSS EEE LH Ea La Thank you for purchasing your Ashdown Engineering Amplifier If you live in the UK please register your purchase by completing this form and return it to the following address Ashdown Engineering The Stables Stevens Farm Chignal St James Chelmsford Essex CM1 4TX England Alternatively you can register online at http www ashdownmusic com If you live outside the UK the local Ashdown distributor may have included a specific registration form for your country Your Ashdown Engineering product details Voltage mesos nea Tested bY iii AA A Sal NUMBEF AAE BG a oasis Ee e ebe ga Aa EEEE I YEAR WARRANTY Your Ashdown Engineering amplifier has been manufactured to the highest standards using the best selected materials To ensure its optimum performance please ensure your amplifier is regularly serviced This product carries a one year warranty against defects in materials and workmanship for the original purchaser Ashdown Engineering will at their discretion replace or repair any product or part thereof which is found by Ashdown Engineering to be defective This warranty shall not apply to the damage of covering fittings or finishes when affected by carelessness accident or extreme climate changes Nor does it apply to normal wear and tear of parts such as valves fuses light b2. 0 850 125 20 854 125 40 858 125 60 862 125 80 866 125 1 850 325 21 854 325 41 858 325 61 862 325 81 866 325 2 850 525 22 854 525 42 858 525 62 862 525 82 866 525 3 850 725 23 854 725 43 858 725 63 862 725 83 866 725 4 850 925 24 854 925 44 858 925 64 862 925 84 866 925 5 851 125 25 855 125 45 859 125 65 863 125 85 867 125 6 851 325 26 855 325 46 859 325 66 863 325 86 867 325 7 851 525 27 855 525 47 859 525 67 863 525 87 867 525 8 851 725 28 855 725 48 859 725 68 863 725 88 867 725 9 851 925 29 855 925 49 859 925 69 863 925 89 867 925 10 852 125 30 856 125 50 860 125 70 864 125 90 868 125 11 852 325 31 856 325 51 860 325 71 864 325 91 868 325 12 852 525 32 856 525 52 860 525 72 864 525 92 868 525 13 852 725 33 856 725 53 860 725 73 864 725 93 868 725 14 852 925 34 856 925 54 860 925 74 864 925 94 868 925 15 853 125 35 857 125 55 861 125 75 865 125 95 869 125 16 853 325 36 857 325 56 861 325 76 865 325 96 869 325 17 853 525 EEA 857 525 57 861 525 77 865 525 97 869 525 18 853 725 38 857 725 58 861 725 78 865 725 98 869 725 19 853 925 39 857 925 59 861 925 79 865 925 99 869 925 TRANSMITTER Oscillation Mode Carrier Frequency Frequency Response Frequency Stability THD Modulation Mode RF Output Power Dynamic Tone Frequency Max Deviation Battery Current Drain Weight RECEIVER Channel Frequency Band Receiver Type Frequency Response Frequency Stability THD Modulation Mode S N Ratio Dynamic RF Sensitivity Audio Output Pow
3. for if the threshold is set too high the squelch circuit will mute low level audio signals as well as noise Use a small screwdriver to adjust this control once adjusted to the optimum for your system it can be left in this position for future use AF OUT UNBALANCED LOW MID HI SGUELCH MODEL NO FREEBASS_RX FREQ EJ 350 879 niz E FREEBASS RX TO 0 94922 75917 7 a MIN MAX MODELLER 16 bass Models have been created and integrated into the Ashdown Freebass wireless system These are selected from the MODELLER 16 way rotary switch on the front panel of the receiver Position 1 is BYPASS so this is the actual true sound of your instrument before any modelling is applied Positions 2 to 16 provide a variety of modelled pre sets that can be dialled into the system adding further sound modification facilities to your amplification system Try each one with your instruments to find out which works best for you Once familiar with them it is a simple matter to dial in a specific model as and when you chose FREQUENCY BAND SELECTION Most countries closely regulate the radio frequencies used in the transmission of wireless information These regulations state which devices can use which frequencies and help to limit the amount of RF radio frequency interference in all wireless communications To be flexible enough to operate worldwide Ashdown Freebass is available in a number
4. button on right hand side of the front panel This will light up blue the UP DOWN amp SET buttons will light up green the Channel Number display will illuminate showing the currently selected UHF Frequency Channel and the Audio VU meter will be back lit ANTENNA The receiver has two antennas each feeding a separate wireless input stage for true diversity operation Before using the system raise these antennas to allow for optimum reception FreeBASS Su unr DIVERSITY WIRELESS RECEIVER up MODELLER CH a rhdown SZ UP DOWN amp SET BUTTONS To select the Channel Number use the UP and DOWN buttons to reach the desired number as shown on the CH display and then press the SET button to select it The selected Channel Number will be remembered next time the unit is powered up to be used For details ofthe specific frequency of each Channel Number see the chart at the end of these instructions The same Channel Number must be used on receiver and transmitter for the system to operate RF DISPLAY The RF LED display shows the level of incoming UHF radio signal being received from the Belt Pack Transmitter When all LEDs are illuminated it indicates you have optimum signal reception this is what you need to try to achieve If only a few LEDs are illuminated the system may still function but it shows you are in a poor reception mode so try to improve this with antenna positioning and reducing the distance between trans
5. of models each with a fixed frequency range Each frequency range or band spans up to 24MHz of the wireless broadcast spectrum F7 798 000 822 000 799 827 MHz CH MHz CH MHz CH MHz CH MHz CH MHz 0 798 125 20 802 125 40 806 125 60 810 125 80 814 125 1 798 325 21 802 325 41 806 325 61 810 325 81 814 325 2 798 525 22 802 525 42 806 525 62 810 525 82 814 525 3 798 725 23 802 725 43 806 725 63 810 725 83 814 725 4 798 925 24 802 925 44 806 925 64 810 925 84 814 925 5 799 125 25 803 125 45 807 125 65 811 125 85 815 125 6 799 325 26 803 325 46 807 325 66 811 325 86 815 325 7 799 525 27 803 525 47 807 525 67 811 525 87 815 525 8 799 725 28 803 725 48 807 725 68 811 725 88 815 725 9 799 925 29 803 925 49 807 925 69 811 925 89 815 925 10 800 125 30 804 125 50 808 125 70 812 125 90 816 125 11 800 325 31 804 325 51 808 325 71 812 325 91 816 325 12 800 525 32 804 525 52 808 525 72 812 525 92 816 525 13 800 725 33 804 725 53 808 725 73 812 725 93 816 725 14 800 925 34 804 925 54 808 925 74 812 925 94 816 925 15 801 125 35 805 125 39 809 125 75 813 125 95 817 125 16 801 325 36 805 325 56 809 325 76 813 325 96 817 325 17 801 525 37 805 525 57 809 525 77 813 525 97 817 525 18 801 725 38 805 725 58 809 725 78 813 725 98 817 725 19 801 925 39 805 925 59 809 925 79 813 925 99 817 925 F7 798 000 822 000 799 827 MHz CH MHz CH MHz CH MHz CH MHz CH MHz
6. or as marked on the product 7 The power supply cord of the product should be unplugged from the outlet when left unused for a long period of time 8 Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings 9 The product should be serviced by qualified personnel when w The power supply cord or the plug has been damaged or b Objects have fallen or liquid has been spilled into the product or The product has been exposed to rain or moisture or d The product does not appear to operate normally or exhibits marked change in performance or e The product has been dropped or the enclosure damaged n 10 Do not attempt to service the product All servicing should be referred to qualified service personnel 11 For continued protection against the risk of fire replace fuses only with those of the same type and rating as indicated on the back of the product WARNINGS USED ON THE EQUIPMENT TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE WARNING ATTENTION THIS APPARATUS MUST BE EARTHED FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE AND RATING OF FUSE UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE ET CALIBRE CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR The lightning flash with the arrow head symbol within
7. an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within this product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying this product GROUNDING INSTRUCTIONS This product must be grounded earthed If it should malfunction or break down grounding provides a path of least resistance for electric current to reduce the risk of electric shock This product is equipped with a supply cord having an equipment grounding conductor and a grounding plug The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with the local codes and ordinances DANGER Improper connection of the equipment grounding conductor can result in a risk of electric shock Check with a qualified electrician or serviceman if you are in doubt as to whether the product is properly grounded Do not modify the plug provided with the product if it will not fit the outlet have a suitable outlet fitted The wires in this mains cord are coloured in accordance with the following code Green amp Yellow Earth Blue Neutral Brown Live CE MARK FOR EUROPEAN HARMONISED STANDARDS The CE mark which is attached to these produ
8. cts means it conforms to EMC Directive 89 69 EEC CE mark Directive 93 68 EEC and Low Voltage Directive 72 23 EEC TERTE c US Listed The Ashdown Freebass is a UHF Diversity wireless system specifically engineered for use with bass instruments Probably the first in the world created expressly for this particular application Many wireless systems prove inadequate when used for BASS because the instruments signal can be extremely dynamic This combined with the very low frequencies involved produce a waveform that is exceedingly difficult to reproduce faithfully over a wireless link In addition to being the first wireless system specifically for Bass the Ashdown Freebass also includes in the receiver unique Modelling technology 16 special models have been created exclusively for BASS and can be dialled into your system from the front panel 16 way rotary control adding sonic versatility to an already outstanding Bass Wireless System Each Freebass system consists of two parts the battery powered Belt Pack transmitter that comes supplied with a Jack plug cable for connecting to your instrument and the mains powered Receiver unit that features both Balanced XLR and Unbalanced Jack audio output sockets for connection to your amplification system Belt Pack UHF Transmitter with connection cable INSTRUMENT CABLE The belt pack transmitter comes supplied with a cable for connecting to your ins
9. er Supply Dimensions Weight PLL UHF Synthesized UHF 470 900MHz Dependent on applicable country regulations 50Hz 15kHz 3dB 0 005 10 to 50 degrees C 1kHz lt 0 8 FM F3E 5 50mW adjustable 3 bands gt 100dB 30 33kHz 35kHz AA Type x 2 100mA 0 082Kg Up to 100 pre set channels for each frequency band UHF 470 900MHz Dependent on applicable country regulations PLL UHF Synthesized 50Hz 15kHz 3dB 0 005 10 to 50 degrees C 1kHz lt 0 8 FM F3E gt 90dB gt 100dB 100dBm 30dB SINAD Unbalanced Jack 550mV Balanced XLR 1 1v DC 15v 500mA AC adaptor 217 W 122 D 44 H mm 8 2 x 6 1 x 1 7 0 385Kg www ashdownmusic com
10. is turned OFF and will be recalled next time the unit is turned ON for use The same Channel Number must be used on receiver and transmitter for the system to operate RF Power Level mode is used to select the RF output power in the following ranges PL O the output power 3dBm PL 1 the output power 5dBm PL 2 the output power 12dBm Lock Unlock mode pressing the SELECT key while in Lock Unlock mode will alternate between the Lock and Unlock settings If Lock is selected then no other parameters can be changed without first entering into Lock Unlock mode and selecting Unlock first This is to prevent accidental modifications of the parameters whilst the transmitter is in use SELECT KEY The Belt Pack Transmitter has a MUTE function to allow the signal to be muted silently without having to turn the transmitter OFF and ON again MUTE is operated anytime by pressing and holding the SELECT key for a few seconds To UNMUTE the signal again press and hold the SELECT key for a few seconds UHF Diversity Wireless Receiver O eat AA MAINS ADAPTER amp DC JACK rear panel The Ashdown Freebass UHF diversity receiver is supplied with a mains adapter to power the unit This plugs into the DC jack on the rear panel of the unit Use only the mains adapter that is supplied with the system Using any other mains adapter may result in damage to your system POWER BUTTON Turn the receiver ON by pressing the POWER
11. mitter and receiver VOLUME VU METER This indicates the level of incoming audio signal As long as the meter indicates below OdB then the signal will be clean and undistorted If the meter is indicating in the RED region above 0dB then the signal into the Belt Pack Transmitter will have to be reduced to prevent overload of the system and distortion occurring This is only ever likely to happen if you are using an active bass with a very high signal output level In this case reduce the setting of the instruments volume control to the optimum level for the Freebass system VOLUME This rotary control sets the level of audio signal to the unbalanced Jack socket and the Balanced XLR located on the rear panel The rear panel HI MID LOW slide switch selects from 3 ranges of signal level to the balanced XLR AF OUT BALANCED gt 6 12 18V DC 500mA Back AUDIO OUTPUT rear panel Audio output is provided on unbalanced Jack socket and balanced XLR socket located on the rear panel Use either one of these for connection to your amplification system SQUELCH rear panel A SQUELCH circuit is like a noise gate for a wireless system It is to prevent noise during operation of the system and it does this by muting the receiver signal every time the audio signal drops below a certain threshold The threshold for the circuits operation is set using the rear panel SQUELCH control This control must be set with care
12. to indicate it is active The LCD display will be back lit for a few seconds Initially the current Channel Number will be shown along with the battery condition indicator The transmitter will always revert to this display after a few seconds from any other parameter display Press and hold the CH ON key again to turn the transmitter OFF A BEEP will be heard as the CH ON key is pressed and a longer BEEP to confirm the unit has turned OFF CH ON KEY Turn the transmitter ON by using the CH ON key Once the transmitter is turned ON subsequent presses of the CH ON key will cycle through 4 x operation modes in order these are 1 Channel Digit One 2 Channel Digit Two 3 RF Power Level 4 Lock Unlock A further press of the CH ON key will return you once again to Mode 1 and the cycle continues round again No matter what display you are on if you wait more than a few seconds without pressing another key your current choice of parameter will be automatically saved and the display returned to the initial display of Channel Number and Battery Condition The SELECT key is used to cycle through the parameter selections available in each of the 4 modes Channel Digit One and Channel Digit Two modes are used to select the Channel number the transmitter is operating on for details of the specific frequency of each Channel Number see the chart at the end of these instructions The selected Channel Number is remembered when the unit
13. trument One end of this has a mini 4 pin connector this plugs directly into the top end of the belt pack transmitter To insert rotate the plug so the locating key lines up with the socket and gently push until it latches into position To remove push the button on the back of the plug to unlatch it and gently pull to release the plug from the socket BELT CLIP The transmitter has a Belt Clip fixed to the back of the unit for attaching it to a belt or clipping to the waistband of your trousers Once the belt pack transmitter has been secured in position on your person make sure the small flexible antenna is free and not covered or obscured by clothing etc BATTERY COMPARTMENT On the rear of the belt pack transmitter just below the belt clip is the battery compartment this can be opened by sliding the latch towards the base of the unit 2 x AA 1 5v batteries are required to be fitted for the unit to operate Please note the orientation of the batteries printed inside the battery compartment when inserting these MODEL NO FREEBASS_ TX FREQ E 850 879 MHz FREEBASS TX ce gt i LI O 94922 75917 7 LCD DISPLAY The front of the unit features an LCD display with blue backlighting for showing the various parameters of the belt pack transmitter that can be selected using the SELECT 8 CH ON keys below it CH ON KEY Press and hold the CH ON key for a few seconds to turn the transmitter ON The unit will BEEP
14. ulbs speakers controls etc Please complete the lower section of this warranty and return it within 10 days of purchase to Ashdown Engineering Ltd at the above address In the unlikely event of any defect please contact an authorised Ashdown Engineering dealer All transport charges are to be pre paid by the Owner Unless the registration card is returned normal country warranty laws apply IMPORTANT REGISTRATION CARD Please complete and return this warranty within 10 days of purchase Include any comments if possible Important Safety Instructions BASIC PRECAUTIONS WARNING When using electrical products basic precautions should be followed including the following 1 Read all the instructions before using the product 2 Do not use this product near water for example near a bathtub washbowl kitchen sink in a wet basement or near a swimming pool 3 This product may cause permanent hearing loss Do not operate for long periods of time at a high volume level or at any level that is uncomfortable If you experience any hearing loss or ringing in the ears you should consult an audiologist 4 Make sure nothing interferes with the ventilation of the product when in use 5 The product should be located away from heat sources such as radiators heat registers or other products that produce heat 6 The product should be connected to a power supply of the type described in the operating instructions
Download Pdf Manuals
Related Search