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With 20 stereo inputs, 8 groups, stereo mix, 4 aux sends,
4 stereo aux returns, and 130+ connectors... the X6
now makes a 4 rack space studio mixer possible.

What is the XTRAMIX X6 Mixer ?
The X6 is a rack mounted analog line mixer that offers features and flexibility for use in the most serious recording applications. It has been designed as a "quiet-transparent" platform that allows you to build a mixing system using the gear you already own. The X6 can be used to connect all your analog outboard gear regardless of the pedigree, interface to AD/DA converters, and, of course, virtually any synth or sampler.

It is a fact that not all studios need a console style mixer with slide faders, so the X6 can often replace a studio desk style console and may be a good fit especially if space is at a premium.


Specifications
Frequency Response - Mix Outputs
1Hz (-.5dB) to 95kHz (-3dB)
0Hz (+/- 0dB) to-38kHz (-.1dB)

Frequency Response - Group Outputs
1Hz (-.5dB) to 100kHz (-3dB)
0Hz (+/- 0dB) to-42kHz (-.1dB)

THD+n (Mix and Group Outputs +24dBu)
.008%

Noise (22Hz-30kHz)
-102dBu (Residual output noise)
-90dBu (1 channel assigned)
-78dBu (20 inputs & 4 aux returns assigned)

Maximum Input Level
+28dBu

Maximum Output Level
+27dBu

Input Impedance - All inputs
30K Ohms (Balanced)
15K Ohms (Unbalanced)

Output Impedance - All Outputs
60 Ohms

Dimensions (Mixer)
WxHxD=19" x 7" x 10.7"
(483mm x 178mm x 273mm)

Dimensions (Power Supply)
WxHxD=4.6" x 2.75" x 7.3"
(117mm x 70mm x 185mm)

Shipping Dimensions & Weight
WxHxD=25" x 17" x 13"
(635mm x 432mm x 330mm)
34 Lbs (15.5kg)
Features
· 4 rack space design
· 20 stereo line inputs + stereo mix + 8 group busses.
· Each input channel has pannable stereo direct out.
· 4 aux send busses.
· 0db/12db Gain select on each input channel.
· Presence of signal LED on inputs.
· In-place solo on all channels.
· True stereo aux sends.
· 4 stereo aux returns.
· Balanced inserts with bypass switch on stereo mix and 8 groups.
· Two monitor outputs and independent headphone output.
· Expander connectors to add another X6, X.Sum, or other line mixer.
· Multi-purpose mounting brackets: 19" rack mount or configured for desktop location.
Xtramix History
   The first Xtramix was produced in 1992 as a dedicated compact keyboard mixer. It was the work of Speck Electronics owner and designer Vince Poulos with the input and feedback from virtually the Who's Who of LA and NYC keyboard session players. The feedback from these pros was that they needed a compact rack mixer that not only had a lot of "stereo" line inputs, but also more than just a stereo mix output and more than 2 effects sends. The final result was a purpose built, dedicated line mixer with 20 stereo inputs, 8 groups, 8 effects sends, 8 stereo effects returns, and a modest master section all in a compact 4U rack format. With the Xtramix, the session keyboard players finally had a mixer they could call their own. Between the years 1996 and 2011, Speck produced 4 additional versions with incremental improvements that reflected how the mixer was being used. During that time period it was being used not only for keyboards, but also as a front-end or back-end to a DAW.

   There was a change in the wind... and the market for the large recording consoles was shrinking.

   In 2011 we discontinued the Xtramix because we believed that another small improvement would be repetitious. Then at the beginning of 2019, Vince got to work on a brand new design.

   Before starting the design, Vince listened carefully to comments from our existing Xtramix customer base and formed some opinions of his own. The new Model X6 is a giant leap in features compared to the earlier versions, but shares some important similarities: the Model X6 has plenty of input and output routing power, a compact 4U rack space design, and, most importantly, like its predecessors it has high performance a 100% analog signal path.

   For many years the Xtramix had been known primarily by electronic keyboard players. With the X6, we intend to change that perception and make it useful to a larger group of customers.

X6 Signal Flow
(84K PDF)
Model: XTRAMIX X6 -01
MSRP: $ 5,690.00
Stereo Input Channel
Stereo Aux Return
Group Master / Aux Master
Master Section
The In's & Out's
Connect the X6 to any line level source: balanced, unbalanced, transformer, or transformer-less. The X6 has high headroom that will handle balanced signals up to +28dBu.

All audio inputs and outputs are fully balanced and available on TRS connectors.
The Designer
The X6 is the work of Vince Poulos, the designer and owner of Speck Electronics. Speck Electronics has been producing quality professional audio products for over 45 years. 

Founded in 1973, Speck Electronics has consistently provided innovations in audio products for all segments of professional recording and touring. 

Other products include the X.Sum rack mixer, the via Fader outboard fader system, the EQF 810 equalizer, and MicPre 5.0 preamp.

Mounting brackets installed for desktop mounting.

XTRAMIX X6 is an exclusive Trademark of Speck Electronics.