Joemeek SC2 Manual Download Page 9 | Manualshive

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Joemeek SC2 Manual Download Page 9

POWER SC2

POWER SELECTION

JOEMEEK Compressors VER 1.07 and later, are fitted with a mains

voltage selector for easy change of input voltage.
The fuse carriage can be pulled out and rotated to select to the local
power voltage.

In the '110' position, the unit will operate between 95 and 125V AC.
In the '230' position, the unit will operate between 210 and 240V AC.

The fuse can remain at 500mA for both ranges.

POWER EARTH (GROUND) CONNECTION

The center (ground) pin of the IEC power connector is connected to
the steel chassis of the compressor. The Audio ground is not
connected to chassis.

The power system is double insulated throughout so that power
ground may be lifted off if required without affecting safety in any
way.

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Summary of Contents for SC2

Page 1: ...ce California 90505 USA email sales joemeek com web www joemeek com It s assumed any engineer using this compressor will already be familiar with the practice of compression and limiting These instructions are kept brief and to the point the most valuable instruction is to plug it in and use it ...

Page 2: ...hermionic tubes or photoelectric devices only approximated true compression over a limited range They had a soft threshold where compression started and held to a predictable ratio up to a certain level and then they returned to a more linear amplification allowing transients through This is in stark contrast to modern VCA compressor limiters where designers thought it sensible to combine the func...

Page 3: ...If using unbalanced circuits it is essential to ground the unused audio connection i e pin 3 on the XLRs or the ring on the jacks The XLR and standard 1 4 inch jack connections are in parallel so should not be used at the same time Inputs are high impedance and outputs are low impedance as is normal for all good outboard equipment OPERATION Connect inputs and outputs and plug in mains cable NOTE T...

Page 4: ...ol is a simple stereo ganged control that sets the audio gain of the front end amplifier At maximum the gain of the unit is about 20dB So if you set the gain to say 10dB and wind in compression until the in out switch tells you that the output is the same you have 10dB true compression The output gain preset control is to set the output to a comfortable level for the equipment it is feeding into C...

Page 5: ...cells catch up and over compress momentarily giving a tiny dip immediately following the start of the note This is best demonstrated by using a drum track and setting the slope to 4 and attack and release to fastest Used sparingly this can contribute to musical drive Slower attacks are used where the compression needs to be less obvious RELEASE sets the time during which the path gain returns to n...

Page 6: ...uite critical as is the compression control 5 It won t pump hard enough Again it takes practice getting the gain control in the right range Set the slope on 4 and the attack and release at minimum and then don t drive it too hard Work the input gain and the compression controls until its right 6 There s a terrible click on in out When the switch is in the out position the whole unit is by passed s...

Page 7: ...dynamic range at the louder end and enhancers to sparkle it up And then find that it is extremely difficult and time consuming to get a warm and cozy sound Joe Meek in common with all engineers experimented with the limited facilities of the time 1960 1965 and came up with a way of enhancing the tape bend effect with compression The compressor he used was primitive in the extreme but coupled with ...

Page 8: ... and compressor combination And yes it is entirely possible that one day this algorithm could be written for a digital processor but would it be as easy to use REGULATIONS AND SAFETY The JOEMEEK Compressor has been designed and built to conform to all known safety requirements in the world Within the European Union the Compressor easily meets the requirements for electrostatic and electromagnetic ...

Page 9: ...operate between 95 and 125V AC In the 230 position the unit will operate between 210 and 240V AC The fuse can remain at 500mA for both ranges POWER EARTH GROUND CONNECTION The center ground pin of the IEC power connector is connected to the steel chassis of the compressor The Audio ground is not connected to chassis The power system is double insulated throughout so that power ground may be lifted...

Page 10: ...ing sounds ON THE MIX Remember that big compressed sounds are a balancing act if any instrument or sound in the mix is suddenly louder than others it will kick down the level of all the rest As the sound stays bright and present with this compressor it s possible to go much heavier but the initial balance gets more critical Experiment with the attack control GROUP RECORDING Try compressing the bac...

Page 11: ...nths of purchase no charge will be made DECLARATION OF CONFORMITY This analogue audio processing equipment conforms to the standards and requirements of the European Economic Community The EC Harmonized standards that have been applied are a Electrical equipment safety Regulations 1994 S I 1994 3260 b Electromagnetic Compatibility Directive 89 336 EEC incorporating S I 1992 2372 CE 96 Distribution...

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