The Tube-Tech HLT2A Stereo Equalizer brings a refreshingly musical approach to analog EQ, combining traditional high and low shelving with passive filtering and an innovative T-filter that lets you reshape the tonal balance of an entire mix with remarkable speed.
Built around Tube-Tech's all-tube signal path and transformer-balanced I/O, the HLT2A is equally at home adding weight and openness to individual tracks, reshaping a drum bus, or giving a stereo mix the kind of broad, cohesive tonal adjustment that is difficult to achieve with conventional equalizers. Rather than approaching midrange equalization with a traditional boost-or-cut band, the HLT2A uses a passive T-filter that works like a tonal seesaw around a selectable center frequency. Turning the control clockwise boosts the upper frequencies while reducing the lower frequencies; turning it counterclockwise does the opposite. With selectable center frequencies of 0.5, 1, and 2 kHz, the T-filter makes it easy to shift a source toward greater presence and clarity or toward additional warmth and body without relying on narrow corrective EQ moves. Low and high shelving sections provide continuously variable ±12 dB adjustment across six selectable frequencies per band, while passive 6 dB/octave low-cut and high-cut filters give you additional control over the extremes of the spectrum. Each EQ section can be switched in or out, and the overall bypass removes the complete filter section while leaving the amplifier circuitry in the signal path. Fully floating input and output transformers, a tube-based push-pull amplifier, and an all-tube audio circuit outside of the power supply complete an equalizer designed for broad, intuitive tone shaping with classic Tube-Tech character.
How Does It Sound?
The Tube-Tech HLT2A marks a different approach to EQ’ing. It is a very powerful overall shaping EQ, yet extremely simple to operate. Simply put, the HLT2A will yield good results for basically any material and application, ranging from the demanding mastering engineer to the sound quality hungry project studio owner. The combination of Hi and Lo shelf and Lo/Mid frequency T just creates a ton of very nice EQ shaping possibilities!
Tube-Tech HLT2A Equalizer Features
- Stereo analog equalizer with active shelving EQ and passive filtering
- Innovative passive T-filter provides broad tilt-style tonal shaping
- Selectable T-filter center frequencies for quickly changing the overall tonal balance
- Continuously variable low and high shelving gain controls
- Six selectable frequencies for both low and high shelving sections
- Passive low-cut and high-cut filters with gentle 6 dB/octave slopes
- Individual bypass switching for EQ sections
- Overall bypass removes the filter section while retaining the amplifier stage in the signal path
- Tube-based push-pull amplifier topology
- All-tube audio circuitry except for the power supply
- Transformer-balanced, fully floating inputs and outputs
- Conductive plastic potentiometers for smooth adjustment
- Suitable for individual tracks, buses, stereo mixes, and broad tonal shaping applications
Tube-Tech HLT2A Equalizer Specifications
- Freq Response: -3 dB: 5 Hz – 55 kHz
- Low Noise: < -80 dBU @ 0 dB gain
- CMRR: > 60 dB @ 10 kHz
- Filters:
- Low cut: 18, 25, 40, 60, 85 Hz, 6db/octave
- Low shelving: 18, 37, 80, 180, 370, 800 Hz. Gain: +/‑12dB
- High shelving: 1, 2, 5, 10, 15, 22 kHz Gain: +/‑12dB
- T.-filter: 0,5, 1, 2kHz. Gain: +4/-7 dB
- High cut: 12, 15, 18, 20, 25 kHz, 6db/octave
- Input impedance: >10 kΩ
- Output impedance: < 60Ω
Tube-Tech HLT2A Equalizer Includes
- Tube-Tech HLT2A Equalizer
- Power cable
- Manufacturer Warranty
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