Chepman 2254B is a classic (Class A) compressor. Assembled manually on discrete elements (without microchips and surface mounting) and tested with high quality standards.
Symmetrical transformer input, input impedance 10kOm. An interstage transformer separates the VCA and the amplifier unit. The output amplifier operates in Class A and is loaded onto a full-size transformer providing a balanced output.
Honest ByPass. The relay directs the signal from the input to the output bypassing the compressor circuit. When turned off, the device switches to ByPass mode.
Based on the circuitry of classic studio compressors of the 60 - 70s, which can be heard in countless hit recordings, the 2254B will add analog warmth to your signal, so necessary in modern digital studios. Efficiently and delicately works with any signal from drums and bass to vocals. Works great in master sections.

Gain Reduction on Diodes

Discrete elements

Symmetrical input and output on transformers

True ByPass

Ratio: 1.5: 1, 2: 1, 3: 1, 6: 1

Recovery: 100mS, 400mS, 800mS, 1500mS, a1, a2

Attack - Fast -Slow (12 positions)

Treshold -20dB - +10dB in 2dB increments

Arrow indicator Gain Reduction

Link for synchronous operation of channels

Only high-quality components

2254B

Микрофонный предусилитель Chepman 1073.

2254B

Frequency Responce
20 - 200 Hz +/-0.5dB
Mic Pre Input Impedance
10 kohm, balanced
Noise
-75 dBm in the band from 20 Hz to 20 kHz in the Compression OFF position
-60 dBm at Compression AT and Maximum gain
Output impedance
80 ohms
Maximum Output Level
+26dBu @ 600Ω
Distortion
Compressor off - 0.05%
Compressor Is On, The Ratio Is 6:1 - 0.2%
Compression Ratio
1.5:1, 2:1, 3:1, 4:1, 6:1
Threshold
-20 dBm to +10 dBm in 2 dBm increments
Attack time
5 ms in the middle position
Recovery time
100 ms, 400 ms, 800 MS, 1500 ms, Auto1~500 ms, Auto2~2 S
Gain Makeup
From 0 to 20 dB in 1 dB increments
Power Requirements
230VAC/15W
Dimensions
230 x 160 x 51.5 mm

2254B

2254B - rec, 1U, 1 channel - € 1410,00
2254BD - rec, 2U, 2 channels - € 2430,00

Hight Quality

All our devices are assembled manually and undergo multi-level quality control.

Good Support

We are always ready to answer all your questions about the use of our equipment.

System solutions

We produce system products that allow us to achieve maximum effect in solving the tasks of our customers.

Individual Approach

Many years of experience allows us to develop various devices according to the requests of our customers.

Historically, 2254 has been limited in settings. Fixed attack time (5ms), recovery time from 400ms. Therefore, when choosing a tire compressor, people tended to his brother – 33609, which had more flexibility of settings, but already worked in the AB class. The compression control scheme, in fact, was a natural development of the 2254 control. The changes were small and concerned only the addition of additional missing modes and the possibility of more precise factory settings. Our 2254B combines the best of these two legendary devices. Sound path in Class A and more functional control 33609. In addition, without changing the historical scheme, we added an adjustment of the attack time, which is not present in any of the progenitors. When the power is turned off, the device switches to True Bypass mode.

Chepman 2254B is a classic compressor with a diode level control unit. He started his life as a module in the legendary mixing consoles of the early 70s. Has its own signature colored sound, which is described as rich thick and round.

The advantages of Class A are manifested with any instruments and voices where warmth and a filled lower middle are required. Does a great job with vocals, skinny or too bright recordings. As a tire compressor, it stitches the mix well, glues together separately sounding instruments. When writing in conjunction with 1073, it gives a complete source code, perfectly amenable to further revision (if necessary to solve artistic problems).

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