Wednesday, March 23, 2011

The Blender / MMC (Mini Mastering Console) by TK Pro Audio

The Blender is a mini mastering console with two stereo inserts for parallel / serial processing and a perfect tool for mixing and mastering. The five-step mode control changes the signal path, and numerous combinations can be tested without reconnecting any outboard. The first insert has a semi-fixed position and the second insert can be positioned at four different points in the signal path. At the push of a button the two inserts swap position and by using the mute buttons previewing can be done without altering the level controls. For easy integration the Blender has a separate monitor section with volume control and mono switch. It's the optimal unit for two-stage compression combining parallel and serial compression in a clean and simple way.
Mastering-grade circuits and a switch matrix with gold plated relays guarantees maximum performance.
The goal has been to make the perfect tool for parallel and serial processing. With two outboard processors connected, for example two compressors, or a compressor and an EQ, numerous combinations can be achieved at a twist of a knob. Interfaced with a DAW and a monitoring system the Blender can be used for both processing and monitor control.
FunctionThe input signal is split into three separate channels:
Channel 1 is the unprocessed sound. Channel 2 has the Insert 1 inserted. Channel 3 is only active in Mode 5, and otherwise muted. Insert 2 moves around in the signal path depending on the mode setting. It's also possible to swap the position of the two inserts by pressing the swap button.
The three channels are followed by a mix point with a blend control for channel 1 and 2. When Mode 5 is enabled Channel 3 can be mixed into the signal with a separate volume control. The channel mute buttons cuts the signal without affecting the other channels making it possible to preview channels without altering any level controls.
ModesInsert 1 is always inserted into channel 2 for parallel processing.
Insert 2 can be placed at four different points in the signal path.
Mode 1 - Insert 1 active on channel 2 for parallel processing.
Mode 2 - Insert 2 is placed before the split point.
Mode 3 - Insert 2 is placed in series with Insert 1.
Mode 4 - Insert 2 is placed after the mix point.
Mode 5 - Insert 2 is active on channel 3 for parallel processing.
A green LED shows the position of Insert 1 and a red LED shows position of Insert 2.
SwapThe swap switch change places of the two inserts.
Main levelThe main level is placed right before the main output.
Monitor levelThe monitor signal is fed directly from the output connectors through its own dedicated level control. A mono switch is also provided for checking mono compatibility. The mono switch does not affect the main signal.
BypassThe unit is aslo provided with a true bypass switch for A/B comparison
The picture below is showing mode 4 which is the optimal mode for two stage compression. Insert1 (green LED) on Ch2 is in parallel with Ch1 (straight signal), insert2 (red LED) is placed after the mix point.
If you like try the inserts the other way around just push the swap-switch and the two inserts will switch place with each other.
The diagram below shows the internal signalpath.
Key Features:

Unique parallel and serial processing
Gold plated relays
Monitor section with volume control and mono switch


Noise floor: below 104dBm
Frequency response:  10Hz to 100kHz,  less than -0.1dB
Distortion: less than 0.003% THD+N, @ +8dBm
Balanced XLR main/insert inputs: 24kohm impedance
Balanced XLR main/insert outputs: 100ohm impedance
Balanced TRS  for monitor outputs. 100ohm impedance
Max output: +26dBm @ 600ohms load
Internal, regulated powersupply with a toroidal transformer
115 or 230V selectable inside.

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