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Summit Audio

Summit Audio high-quality mic preamps and signal processors

Summit Audio ESC-410 Everest at a Glance:

  • Mz2- Microphone and Instrument Preamplifier
  • Dc1- Dual Mode Dynamics Control
  • Fe1- Passive Three Band Equalizer
  • Db2- Drive Bus Master Output and Drive Section
  • Touch Patch Routing Section
  • Power Supplies
  • Flexibility

The ECS-410 Everest is Summit Audio rethinking the channel strip. This incredible channel strip boasts a tube/solid-state preamp, passive EQ, dual mode dynamics processing, a unique DriveBus output, and the innovative TouchPatch routing. Each section is completely independent with fully balanced I/O to maintain signal integrity and you can patch into any section at the push of a button to custom configure your signal path. The individual components build on Summit's years of experience and merge the best of transparent and flavor to offer nearly unending sonic options. Everest attains new heights in channel strips!


The Summit Audio DCL-200 is a dual channel compressor/limiter with stereo linking capabilities. Based on a hybrid design, the DCL-200 combines the most desirable sonic characteristics of vacuum tubes with the increased reliability of solid state devices. DCL-200 circuitry incorporates selected 12AX7A vacuum tubes with high reliability 990 op-amps in a transformerless signal path, giving you an incredibly clean, precise sound, with the overtones and warmth of tube technology

The Summit Audio TLA-100A Tube Leveling Amplifier is a classic design with a technological hybrid of vacuum tube and solid state devices. The harmonious blend of old and new technologies produces the incredibly warm and smooth sound of vacuum tubes in a compression device that does not have the inherent disadvantages of older designs. Summit Audio has been making the TLA-100A for over 20 years and produces a sound that remains a much sought after quality that is used on literally thousands of records and in live sound venues across the world.

Compressing in a musically satisfying way is easy with the TLA-100A; the incredibly forgiving circuit design makes it almost impossible to make it 'pump and breath'. When fast transient signals are being sent to the TLA-100A, the unit reacts quickly both in attack and release, when the signal is more legato, the attack and release times automatically react more slowly resulting in a set-and-forget compressor that always sounds right with a minimum of knob fiddling. Try it on vocals and bass, also great for kick drum and guitars. The TLA-100A really shines for tracking and mixing individual instruments and is linkable with another TLA-100A for stereo signals.


The Summit Audio TPA-200B Dual Tube Preamplifier combines the best of two worlds: vacuum tubes and high quality solid state. This unique combination creates an environment that yields the warmth associated with tubes without the inherent high frequency loss while providing the reliability of solid state components. The TPA-200B is designed to work in a variety of applications using three input types: microphone input, line level input, and front panel Hi-Z input

The MPC-100A is a single channel tube preamplifier and tube compressor/limiter all in one unit. It accepts line, microphone, and Hi-Z input signals. The preamplifier provides a warm yet crisp vacuum tube tone. The compressor/limiter section has very fast attack times, making it ideal for optimizing signal prior to entering the digital domain. In addition to having superb sound and a user friendly interface, the MPC-100A has the robust build quality consistent with the Summit Audio family of products

Introducing the extraordinary new 2BA-221 continuously variable impedance microphone preamp from Summit Audio. Featuring microphone level, line level, and Hi-Z instrument inputs, the 2BA-221 utilizes separate and individually controlled solid state input controls to mix the microphone input with the Hi-Z or line input into the variable vacuum tube output. Mix them together through the 12AX7A/ECC83 vacuum tube output or separately through individual solid state outputs. The 2BA-221 also features a stackable input design; multiple 2BA-221's can be linked together to form a modular mixing device with individual outs, inserts per channel, and a final vacuum tube gain stage. Its swept high pass filter, multiple simultaneous tube and solid state outputs, insert jack, and internal power supply makes the 2BA-221 a powerful tracking and mixing tool.

Summit Audio TLA50 mini tube leveling amplifier .

All the signature sound of the legendary TLA-100 two knob compressor/leveller in less than half the size and less than half the price. Never has there been a better example of a "set and forget" compressor. Perfect on bass or vocals.

-With 12AX7A/ECC83 vacuum tubes
-Three position attack & release switches
-VU metering
-Continuously variable gain & gain reduction
-compact size 1/2 rack space
-Stereo linking with another TLA-50
-Side chain insert.


Experience unparalleled DI performance on stage and in the studio from the TD-10
Rich sound. Awesome clarity. Incredible performance. The TD-100 Tube Direct Box and Instrument Preamplifier is in a league of its own. With the TD-100 in your set up, you have an excellent sounding input stage for digital recording, adding personality and quality to the signal before the converters. It's also excellent for live applications. No other DI gives you the wealth of features that you get with the TD-100. The TD-100's input section is driven by a 12AX7A/ECC83 vacuum tube, with the output section driven by a discrete transistor circuit utilizing plus or minus 24V rails. Use the loading control to match the input impedance with the output of your bass, guitar, or keyboard. Boost the output gain to get tons of drive and get the most out of the warm tube signal. If you're looking for great sound from what many consider the ultimate professional DI, you've found it with the TD-100!

Last but not least from Summit Audio comes the FeQ-50, a four band parametric, passive equalizer. Each of the four bands has six switch selectable frequencies and 14dB of fully sweepable cut or boost. The low and high bands can switch between peaking and shelving filters, the low mid and high mid can switch between narrow and wide bandwidths. Also included is a switchable highpass filter fixed at 30Hz with a gentle 6dB/octave rolloff to reduce rumble. I/O includes a total of four simultaneous outputs, -10dB and +4dB vacuum tube out and -10dB and +4dB solid state out. Like all of our other ½ rack sized products, the FeQ-50 has an internal power supply.

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