Costa Mesa
CA 92626
USA
Telephone +1 866 302 1091
Email : sales@phoenixaudio.net
Owner’s Manual
Firstly, let us congratulate you on your purchase of the DRS-EQ/500
Equalizer designed for the API 500 series Lunchbox or
suitable compatible rack.
We know you will be as pleased with it’s sonic qualities as we are.
You are now the proud owner of an EQ that has the advantages of
more than 40 years experience in audio engineering, today’s component
and manufacturing technology, but still retaining “that sound” uniquely
achievable through Class A design.
As you can tell, Phoenix Audio is dedicated to the development of Class
A discrete technology used within high build-quality equipment.
The DRS-EQ/500 uses our well proven and loved Class A output stage
(DSOP2), but also has our latest breakthrough in transformer-less Class
A, Discrete Input Technology which gives a "valve-like" sound.
You CAN hear the difference!!!
DRS-EQ/500 Specifications
API 500 series compatible rack unit:
Class A (DSOP2) Output specs. Frequency response: 20Hz to 20kHz
+ 0.5dB,
Maximum Output = +26dBu @ 1kHz, Noise = -90dB @ 20Hz to 20kHz.
Input connections: XLR input on rear of API compatible rack
Phoenix Audio’s unique Class A, transformer-less, True electronically
balanced input stage.
Gain Meter: LED Metering. ((Green = -2dbu, +4dbu & 10dBu,
Yellow = +13dbu Red= +16dBu)
High Pass Filter: on Push-button Switch set at 80hz @ -6db roll off per
octave
EQ Bypass : on Push-button Switch
Typical Headroom: +26dB on output stage
Gyratory-based EQ Frequency Centres: (4 Bands) High - 15K, 10K, Hi Mid –
6K, 3K, 1K6, Low Mid – 800Hz, 400Hz, 200Hz, Low - 130Hz, 80Hz, 40Hz
EQ Cut/Boost Levels: 16dB Cut/Boost Per Band
Power requirements: The DRS-EQ/500 utilizes the rack's +16V and -16V
power rails, but uses our unique on-board power supply to convert the rails to
+24V and 0V so that the unit sounds exactly the same as our mains-powered
19” units. This means you always know that the Phoenix sound is consistent
across our whole range of products.
.
DRS-EQ/500 SETUP INSTRUCTIONS
The DRS-EQ/500 has a vertical row of LED’s to indicate level. These LED’s
are connected to the OUTPUT of the unit, NOT the input section. This
makes the LED’s indication much more useful for setting up levels on
the EQ, and to give you a clear view of what level is being
sent to external equipment.
The LED’s are marked –2,+4 and +10 (Green) and +13 (Yellow) and
+18 (Red). When the Red Led lights, this isn’t a sign of clipping as the
EQ will have at least another 10db of headroom.
You can turn the output knob all the way up to maximum and still be sure the
output of the unit will not clip. The amount of headroom on both the input
AND output stage is HUGE!!! There will never be a time when you can't get
a hot enough output, only occasionally too hot an input (then you just simply
turn down the input signal coming into your EQ.
The OUTPUT level knob is provided to allow OUTPUT level adjustment.
If you prefer to have a “hotter” output, turn the OUTPUT knob up to suit.
You can turn the OUTPUT knob fully up without any distortion as there is
plenty of headroom on the output stage. Also, if you prefer to have a LOWER
level on the output (I.E.: for semi-pro outboard gear which requires around 10dB input), simply turn the OUTPUT knob down to taste. The combination of
the Class A discrete output stage coupled with our custom
wound transformer will impart second harmonics into your music
and also a form of compression, similar to tape compression, this will be
achieved by running the unit with a high output level.
Here is a description of the units front panel, showing all the switch-able
frequency selector switches and push buttons.
LED LEVEL METER
OUTPUT LEVEL CONTROL
HIGH PASS FILTER ON/OFF
EQUALIZER IN/OUT
BOOST/CUT
HIGH FREQUENCY
SELECTOR SWITCH
HIGH MIDS
FREQUENCY
SELECTOR SWITCH
LOW MIDS
FREQUENCY
SELECTOR SWITCH
LOW FREQUENCY
SELECTOR SWITCH
We have selected eleven switch-able frequencies, which we will be most used
for a variety of instruments and voices. The switch-able frequencies are :
HF – 15k & 10K
Mid HF – 6K, 3K & 1.6K
Mid LF – 800hz, 400hz & 200hz
LF – 130hz, 80hz & 40hz
Each of the four EQ bands has 16db cut and boost so its very powerful and
each click of the detented pots will equate to around 1.5db in either cut or boost.
How they are used in application settings could be like this :
Vocals :
Boost at 15k to inject some air into the vocal
Boost at either 800hz or 400hz
Cut at 3k
Cut at 130hz or 80hz
Acoustic guitar :
Boost at 10k or 15k
Cut at 200hz
Electric Guitar :
Cut at 130hz
Boost at 200hz
Boost at 6k
Cut at 10k
Drums :
Kick Drum: HI-PASS, Boost 80hZ, Cut 400hZ, Boost 6kHz, Cut 10kHz
Snare Drum: HI-PASS, Cut 80hZ, Boost 200hZ, Cut 1kHz, Boost 10kHz
Rack Tom: HI-PASS, Boost 130hZ, Cut 400hZ, Boost 6kHz, Cut 10kHz
Floor Tom: Boost 80hZ, Cut 800hZ, Boost 6kHz, Cut 10kHz
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