SUPER STEREO PHANTOM VALVE Series Manuel utilisateur





(upto 32bit 384khz)

The New DN78 Phantom Valve is a desktop analogue DJ mixer featuring 2 dual input channels, one mono mic channel, 2 stereo USB channels
and features rotary faders and an optional rotary cross-fader.
The mixer is designed to the highest audio standard featuring a valve stage giving extra warmth and depth to the sound and is designed for
professional DJ's, clubs and venues. It is laden with many features to enhance the DJ's performance and sound.
We have used design principles found in the best studio and audiophile grade hi-fi to create a unique sounding mixer, which uses a combination
of high quality op-amps, audio grade capacitors and quality audio faders, unlike the majority of DJ mixers.
Each of the channels is equipped with a standard 3 band baxandall type eq with between -26db and +16db of gain at specially selected musical
frequency's.
A five times gain control and five point LED meters on each input channel allows for precise matching of input signal levels and smooth 'blue
velvet' rotary faders ensure a perfect mix. Individual channels can be routed either side using the rotary cross fader.
The DN78 is also equipped with a very powerful Isolator on the output giving +8db of boost and total cut of three carefully selected frequency's.
There is also a control to select the mid frequency range offering further cut of the lower end of that range up to the higher end. These filters have
a wide 'Q' range to ensure they cover the full spectrum of audio.
There are two high grade phono stage preamplifiers with standard RIAA EQ to ensure faithful full range production from a standard MM record
cartridge, which can also be switched to line input levels for convenience.
Uniquely offered on our rotary mixer is a high quality 32bit/384kHz four channel sound card built in to the DN78 Phantom Valve. The sound card
uses a USB interface found in the best converters in the world and the latest delta sigma oversampling DAC's to give true studio quality playback,
enabling easy integration to digital media. The USB interface can be used for playback from most popular DJ software platforms on both MAC and
PC.
A high quality MIC channel with a single gain control on the back panel gives up to 56db of gain and feeds the signal over the stereo mix.

DN78 Phantom Valve Series User Guide. It is important you read this guide before starting.
Plug in the power connector and twist the ring so its locked in place. Switch on the power switch on the external power supply so the blue LED is lit up. (if
the LED is red, the internal fuse has blown - refer to fuses section). Check the Meters are lit up, power light is on and the valve is glowing through the front
right panel. During the valve warm up the VU meters will light up red in the centre. Once they have gone out, the mixer is ready to use. Plug a Line source
into a line input or a vinyl deck into a phono input (line switch off on the back panel) and ensure the ground wire is connected to the ground post. Move the
input selector switch to either phono or line positions. Connect either the XLR or RCA main outputs (or booth) to your amplifier or speakers. The booth and
master outputs both use the same high quality circuitry, so will sound the same. If you are using an unbalanced input to your speakers or amplifier, please
ensure you use the RCA unbalanced outputs. It is important you do NOT use a balanced to unbalanced cable - ie an XLR to mono jack or XLR to RCA,
where the ground of the XLR (pin 3 ) is connected to -ve (pin 2). This can cause damage to the output and cause the mixer to go into protection mode.
The XLR outputs will give a higher output (+4db over the VU meter reading) and will be better quality if longer cables are required ( The balanced outs are
designed to drive cables over 100m long). Adjust the front panel gain control so that the third blue led and the forth purple LEDs on the input meter are
lighting up on peak levels, the inputs can be driven so the 5th red LED is lit up without distortion, but it will restrict how much EQ boost can be used. The
mid position of the gains is 0dB (unity).
Adjust the main channel fader to position 8 to 10 as desired and the 3 band eq to desired levels. Set the isolator to their centre positions. Please also
ensure the mid freq control is fully turned round to the left, this will set the mid to its full range and with the other controls in the centre, this will ensure the
isolator EQ is flat. There is also a bypass switch on the mid freq control which will switch the isolator out of circuit if desired.
Finally adjust the master output so the master VU meters are showing 0dB to +3dB. This is an optimal level to get the best performance and sound. This
level will also give you plenty of headroom when using the isolator on the master outputs. The DN78 is designed to run at much higher output levels (up to
+12 to +18dB) without clipping. At higher output levels the valve will add natural 'valve compression' .
Please ensure when connecting the headphones that the level is at minimum. The DN78 headphone amplifier is designed to drive a wide range of
headphone impedances at a high level. Plugging in headphones when the level is high can cause damage to your hearing and your headphones. The
mixers protection circuitry can activate in some cases to protect your mixer and your headphones from damage. If this occurs (the meters will flash
intermittently), simply turn the level to zero or re-plug the headphones. The electronic cue buttons allow you to select either or both channels at one time
with the headphone cross-fader at the cue position, you can also review the mix by cross fading to mix position on the headphone cross fader.
If you wish to use your mixer with the USB input, simply plug into your laptop and ensure the USB light on the front panel is lit up. Please ensure you have
set your options in audio/midi setup on the Mac and you have downloaded and installed the driver for Windows. (details in the USB setup section). Select
the USB on the input selector and you are ready to go. If the mixer has been switched on for a long period of time without USB connected, the soundcard
can go into sleep mode. Simply power down, unplug the USB and switch on again and re-plug the USB to re-set.
When powering the mixer off, its ideal to turn down the master or booth levels as and off 'pop' can sometimes occur. The valve is designed to withstand
shocks of up to 600g, even when hot, so you won't need to let the mixer cool down before moving. It is very rugged and is designed to be moved when
hot. The DN78 is also equipped with a high quality protection circuitry to protect the mixer from damage during any faults. The meters will flash on and off
1-2 times per second, if this occurs please switch off the mixer and refer to the faults section. This will occur is you have an output cable fault, headphone
fault, low or poor mains supply or an internal fault within the mixer.



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