Korg TPB2 Tube Microphone Preamp Compressor Expander for XD Series

In this era of digital audio, more and more musicians, engineers and producers are longing for the warm, full-bodied sound produced by vacuum tubes. Say hello to the all-new TPB-2. In one rugged and compact unit, the TPB-2 combines a dual channel tube preamp and optical compression - a total solution for your demanding audio applications.

2 for 1!
The TPB-2 offers 2 completely independent preamps, with individual realtime controls. Each channel is driven by its own 12AX7 tube. A 'Stereo' switch on the front panel allows both preamps to work in tandem when processing a stereo source.

Full-Featured Mic Preamps
Using a specially tuned version of the Valve Force technology so widely acclaimed in the Electribe X series and the Triton Extreme, the new TPB-2 tube-driven preamp imparts a robust warmth and a rich musical character that is ideal for your critical and challenging acoustic sources. Each preamp channel accepts either XLR or 1/4 in. TRS inputs, and switchable phantom power is provided. Equipped with a Hi-Z switch, 26dB pad button and a variable trim knob, the TPB-2 assures the optimal gain setting for any source, from a premium microphone to a direct bass or guitar signal.

Transparent Optical Compression
By using state-of-the-art optical compression, the TPB-2 is able to respond quickly, breathing life and luster into your sound. In addition to enhanced response times, optical compression provides a wide range of dynamic control -- without coloring the source material in adverse ways. Compression sensitivity knobs on the front panel are teamed with Fast/Slow release time buttons and audiophile analog VU meters for intuitive realtime control.

XD Series Plug-In
The TPB-2 mounts directly into the option bay on the D16XD or D32XD front panel.

Easy Installation
The TPB-2 is user installable, allowing you to experience the benefits of warm tube preamps and clear optical compression right away.

Technical Info

Input Connector:
XLR-3-31 type (+48 V phantom power, switchable)
1/4 TRS phone jack (balanced, unbalanced when Hi-Z is On)

Input Impedance:
4k Ohms (XLR-3-31)
10k Ohms (TRS phone Jack)
1M Ohms (TRS phone Jack Hi-Z)

Input Level:
-60dBu ~ -12dBu @ TRIM = max. ~ min., PAD OFF
-34dBu ~ +14dBu @ TRIM = max. ~ min., PAD ON

Max. level:
-48dBu ~ 0dBu @ TRIM = max. ~ min., PAD OFF
-22dBu ~ +12dBu @ TRIM = max. ~ min., PAD ON

Source Impedance: 600 ohm

Tube: 12AX7

Method of Compression: Vacuum tube gain reduction using a photocoupler

Frequency Response:
10Hz ~ 20kHz +/- 1dB @fs44.1kHz, +4dBu, 10k ohm
10Hz ~ 22kHz +/- 1dB @fs48kHz, +4dBu, 10k ohm
10Hz ~ 44kHz +/- 1dB @fs96kHz, +4dBu, 10k ohm

S/N: TBD

Dynamic Range: TBD

Dimensions:
5.98 in. (W) x 5.39 in. (D) x 3.03 in. (H)
152 (W) x 137 (D) x 77 (H)mm

Weight:
1.10 lbs. / 0.5 kg

Accessories: AC power supply, Owners manual

Specifications subject to change without notice