Tascam UH-7000

2 Channel USB Audio Interface and Microphone Preamp

OUR PART #: UH-7000 4.0 / 5 ★★★★★ 1 Review  |   Write a Review

TASCAM's UH-7000 is a pro-level microphone preamp and audio interface, designed with a strong focus on low noise and high audio quality.
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TASCAM's UH-7000 is a pro-level microphone preamp and audio interface, designed with a strong focus on low noise and high audio quality.  Not only can this unit be used as a 4-in/4-out audio interface in a DAW production environment, but as a standalone microphone preamp and AD/DA converter.  The built-in HDIA (High Definition Instrumentation Architecture) microphone preamps are designed with low noise and high audio quality.  These mic pres perform at -128dBu EIN, a 117dB signal-to-noise ratio and distortion ratio of 0.0009% or less.

The grand nature of the UH-7000's sound is partially due to the careful attention spent on selecting parts.  In addition to the Burr-Brown PCM4220 ADC, PCM1795 DAC converters and thin film metal resistors, installed is a powerful TCXO clock generator with +/-1ppm precision.

The units half-rack size makes it easy to install at a studio console or work desk.  The thick aluminum panels on the front and sides of the full-metal body increase stability.  Highly important but easily forgotten are the smooth-tension aluminum input level knobs for precise level adjustments.

The UH-7000 microphone preamp and audio interface enables composers, musicians and recording engineers to produce music in their private quarters at a level only reached in professional studios.

HDIA mic preamps capture detailed nuances

The High Definition Instrumentation Architecture (HDIA) mic preamp maximizes high specifications that produce the lowest noise.  Parts were selected through repeated listening tests in order to confirm high-performance in both numerical ratings and actual audio quality.  The instrumentation amplifier method requires a large number of parts and labor, therefore it is rarely used in ordinary audio equipment.  Designed with a circuit that is used not only for professional audio equipment but also in measurement devices that handle highly detailed signals, the UH-7000 is capable of capturing the finest expressive nuances for all musical performances.

Excellent input audio circuit specifications

The analog audio input circuit was designed to achieve low noise and high audio quality throughout the entire signal.  Key parts only made the cut after many intense listening tests.  Everything from the film capacitors for improved noise performance to the thin film metal resistors and others.

  • Equivalent Input Noise (EIN): -128 dBu - Audio equipment generates a small amount ofvoltage even when all input/outputs are disconnected.  This noise iscalculated as equivalent input sound pressure, most commonly known asequivalent input noise (EIN).  Signals at levels lower than this valueare masked.  -128 dBu represents the smallest signal level the UH-7000can actually handle.\
  • Signal-to-noise (S/N) ratio: 117 dB (mic to AD converter)- The signal-to-noise (S/N) ratiois a logarithmic value that expresses the amount of noise in comparison to thesignal. As a value that indicates the performance of audio equipment, it isextremely important. As this value increases, the amount of noise decreases.
  • Total harmonic distortion (THD): 0.0009% or less (mic to ADconverter) - With nodistortion being the ideal, this value expresses the distortion (harmoniccontent) from the circuit.  As this value decreases, the amount ofdistortion also decreases.  Most other USB audio interfaces cannot reachTHD levels this low.
  • Frequency Response: 20 Hz to 80 kHz, +0.005 dB/-0.16 dB (micpreamp at all sampling frequencies) - The frequency response used foraudio equipment expresses the sound pressure frequency characteristics. Since this showcases how each frequency of the input audio (sound pressureamplitude) varies, it is often shown as a graph.  When expressednumerically, the frequency range and amplitude variation values areused.  The ideal value is a straight line graph from the lowest frequencyto the highest frequency.  The closer the response is to being flat, themore accurately the characteristics of the source sound are maintained. People tend to focus on the frequency range, but the amplitude variation isvery important.  For example, "20 Hz–20 kHz, +/-1 dB" is closer to beingflat than "20 Hz–20 kHz, +/-6 dB".

Large aluminum input level knobs and 20-segment LED level meters for precise recording

The UH-7000 is fronted with large aluminum input level knobs.  The smooth-tension knobs of the UH-7000 support extremely fine adjustments.  The unit also includes independent 20-segment LED level meters.  In combination with the large knobs, recording levels can be adjusted even more precisely.

Switch operation modes between standalone mic pre and audio interface mode

The UH-7000 starts up in mic pre only mode automatically when not connected to a computer.  This unit is an ideal choice as a mic preamp for a master recorders such as the DA-3000.

High precision clock TCXO used to realize stable digital signal control

The clock generator can heavily influence digital signal quality; therefore the UH-7000 is built with a temperature-compensated crystal oscillator (TCXO).  This oscillator has a higher precision than the crystal oscillators (XO) used in ordinary equipment.  The timing clock uses a crystal oscillator that governs digital signals, but the frequency generated varies according to the temperature.  In contrast, a TCXO includes a temperature compensation circuit that has exactly the opposite temperature characteristics of the crystal oscillator.  These temperature characteristics guarantee stable clock generation.  Compared to the norm, +/-100ppm precision (4.8 Hz at 48 kHz) produced from a standard crystal oscillator, the UH-7000 reaches +/-1ppm precision (0.048 Hz at 48 kHz).

Outstanding AD/DA converter performance with professional studio input/output solutions

The internal circuitry is furnished with Burr-Brown's impeccably pure PCM4220 AD converter.  This converter uses a high performance chip that was developed specifically for professional audio and boasts a dynamic range of 123 dB (-60dB input, A-weighted) in isolation.  Audio signals digitized by the PCM4220 can be sent via USB to the computer or output from the XLR AES/EBU digital output jacks.

For digital-to-analog conversion, the UH-7000 uses the equally impressive Burr-Brown PCM1795.  The digital inputs and outputs support transmission in IEC60958-4 (AES/EBU) and IEC60958-3 (S/PDIF) formats.

Even when used in standalone micrpre mode, the output signal runs through the internal digital circuit.

Link line function enables volume control of powered monitors

The link line function allows the line output volume to be adjusted using the headphones volume knob.  This allows users to connect the unit directly to powered speakers and adjust the monitoring volume without need for a mixer or other equipment.

Note: When the headphones and line output volumes are linked, be careful with the volume when using both headphones and speakers.

Thorough testing has been completed on all major DAW applications.

  • Cakewalk: SONARX3
  • Avid: Pro Tools11
  • Steinberg:Cubase
  • Ableton: Live 9

TASCAM UH-7000 Features:

  • Supports 24-bit/192kHz USB transmission and AD/DAconversion
  • Support for Mac and Windows operating systems
  • 4-in/4-out audio streaming from a PC connected viaUSB 2.0
  • Burr-Brown PCM4220 AD converter
  • Burr-Brown PCM1795 DA converter
  • HDIA mic preamps: –128dB EIN
  • Thin film metal resistors with outstanding noiseperformance
  • High audio quality film capacitors with lowdistortion
  • Low latency monitoring through the DSP mixer
  • DSP mixer can be switched between multitrack andstereo mix modes
  • DSP mixer enables independent adjustment of recordingand monitoring levels
  • Line or digital outputs can be selected using the DSPmixer
  • DSP dynamics effect can be applied to inputs, outputsor the master (compressor, noise suppressor, de-essoer, exciter, EQ,limiter/low cut)
  • DSP REVERB (hall, room, live, studio, plate) sendeffect is perfect for monitoring when recording
  • Link line function enables volume control of poweredmonitors
  • Single punch MIXER PANEL button
  • Strong, highly durable aluminum body
  • Large INPUT level knobs enable precise adjustment ofinput levels
  • Two 20-segment LED level meters
  • Standard TRS headphones output jack - 45mW/channeloutput
  • +48 Phantom power supply
  • Two balanced analog XLR jacks for both input andoutput
  • Professional output specifications (maximum outputlevel: +24 dBu)
  • Two balanced analog TRS input jacks
  • XLR digital input and output jacks supportAES3-2003/IEC60958-4 (AES/EBU) and IEC60958-3 (S/PDIF) formats
  • Three-pronged inlet power cable
  • Half-rack size
  • Confirmed operation with major DAW software,including Sonar X3, ProTools, Cubase and Live
  • RoHS Compliant


  • To stay up to date with the latest driver versions,no CD-ROM or other media is included with the package. Users should downloadand use the latest drivers from our website.
  • When operating at 88.2kHz or 96kHz, only one of theeffects (dynamics or send) can be used.
  • When operating at 176.4kHz or 192kHz, no effects canbe used.
  • During standalone operation, the built-in DSP mixersettings cannot be changed.
  • Even being use in the standalone mode for micpre, output signal go through internal digital circuit.

TASCAM UH-7000 Specifications:

  • Sampling frequency: 44.1kHz, 48kHz, 88.2kHz,96kHz, 176.4kHz, 192kHz
  • Quantization bit rate: 24-bit
  • Analog audio inputs:
    • ANALOG LINE IN 1/2:
      • Connector: 6.3mm (1/4") TRS-jack (T:HOT, R:COLD, S:GND), BALANCED
      • Input impedance: 15kOhms
      • Maximum input level: +26.5dBu
      • Minimum input level: -38dBu
    • ANALOG MIC IN 1/2:
      • Connector: XLR-3-31(1:GND, 2:HOT, 3:COLD), BALANCED
      • Input impedance: 2.2kOhms
      • Maximum input level: +2dBu
      • Minimum input level: -60dBu
      • Analog audio outputs  
    • ANALOG LINE OUT 1/2:
      • Connector: XLR-3-32(1:GND, 2:HOT, 3:COLD), BALANCED
      • Output impedance: 100 ohms
      • Maximum output level: +24dBu
  • Digital audio inputs:
    • AES/EBU:
      • Connector: XLR-3-31(1:GND, 2:HOT, 3:COLD)
      • Formats: IEC60958-3 (S/PDIF), IEC60958-4 (AES/EBU)
      • Sampling frequencies: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
  • Digital audio outputs:
    • AES/EBU:
      • Connector: XLR-3-32 (1:GND, 2:HOT, 3:COLD)
      • Formats: IEC60958-3 (S/PDIF), IEC60958-4 (AES/EBU)
      • Sampling frequencies: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
    • Connector: 6.3mm (1/4") stereo phone jack
    • Maximum output: 45mW+45mW or more(THD+N 1% or less, 32ohms loaded)
  • USB:
    • Connecter: USB B type 4-pin
    • Format: USB 2.0 High Speed (480 Mbps), Full Speed (12 Mbps)
  • Power: AC100-240V, 50/60Hz
  • Power consumption: 15W
  • Dimensions (WxHxD): 8.4" x 3.2" x 9.2" (214 x 81.2x 233 mm)
  • Weight: 4.85 lbs. (2.2 kg)
  • Operating temperature: 5°C to 35°C
  • Audio performance:
    • ADC chip set dynamic range: 123dB (A-weighted)
    • DAC chip set dynamic range: 123dB (A-weighted)
    • Frequency response: 20Hz to 80kHz +0.005dB/-0.16dB (mic preamp for all sampling frequencies)
    • THD: 0.0009% or less (MIC to AD)
    • S/N ratio: 117dB (MIC to AD)
    • EIN: -128dBu
  • Computer system requirements:
    • Windows:
      • Compatible OS:
        • Windows XP: 32-bit SP3 or later
        • Windows 7: 32/64-bit SP1 or more
        • Windows 8: 32/64-bit
        • Windows 8.1: 32/6-4bit
          *Windows Vista and Windows XP 64-bit arenot supported.
      • Compatible computers: Windows-compatible computer with a USB 2.0 port
      • CPU type/speed: Dual core/2 GHz or faster (x86)
      • Memory: 2 GB or more
      • Supported audio drivers: ASIO2.0, WDM(MME)
    • Macintosh:
      • Compatible OS:
        • Mac OS X Snow Leopard (10.6)
        • OS X Lion(10.7)
        • OS X Mountain Lion (10.8)
        • OS X Mavericks (10.9)
      • Compatible computers: Apple Macintosh computer with a USB 2.0 port
      • CPU type/speed: Dual core/2 GHz or faster
      • Memory: 2 GB or more
      • Supported audio drivers: Core Audio
4.0 / 5 ★★★★★

Reviewed by 1 customer.
(1 is a Verified Buyer.)

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Baruh G on 12/20/2017 ✔ Verified

Amazing!!! I have one disadvantage- it has only two Mic or Line inputs. Which means you can't record simultaneously an microphone and compressor output on same channel. Except that the dynamic range is great. The preamps are very clean and flat. I'll recommend it most for an overdubs recordings and for playback while mixing in the box.

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