Otari MTR-10 MKII

The Otari MTR-10 MKII is a professional ¼-inch reel-to-reel tape recorder designed for mastering, broadcast, and studio production. It builds on the original MTR-10 series with enhanced microprocessor control and refined mechanical and electronic features for improved reliability and performance.

• Tape Width and Track Configuration:
  ¼ inch tape width.
  Available in 2-track, 2-channel stereo/mono (MTR-10-2 MKII) and 4-track, 4-channel stereo/multi-channel (MTR-10-4 MKII) versions. The 4-track model can be converted to 2-track with a plug-in headblock.

• Tape Speeds:
  Three speeds: 3.75, 7.5, 15, and 30 inches per second (ips), depending on model and configuration.
  Speed accuracy: ±0.03%.

• Tape Transport:
  Direct-drive capstan motor with quartz PLL servo control for precise and stable tape speed.
  Three DC servo motors (capstan and two reel motors) with microprocessor-controlled transport logic.
  Fast winding times (<100 seconds for 2400 ft tape).
  Wow and flutter: 0.04% unweighted at 30 ips, 0.06% at 15 ips.

• Heads:
  Three heads (record, playback, erase) in a stacked/inline configuration.
  Permalloy head composition for high fidelity and durability.

• Frequency Response:
  2-track model: 50 Hz to 20 kHz at 30 ips.
  4-track model: 67 Hz to 23 kHz at 30 ips.

• Signal-to-Noise Ratio: Approximately 79 dB (unweighted).

• Total Harmonic Distortion:
  0.15% for 2-track model.
  0.2% for 4-track model.

• Equalization: Switchable between NAB, IEC, and AES standards.

• Inputs and Outputs:
  Active balanced transformerless XLR inputs and outputs.
  RCA connectors also available.

• Control and Features:
  Microprocessor-controlled transport and audio electronics with dual real-time counters.
  Internal multi-frequency square/sine wave generator for calibration and alignment.
  Return-to-zero function standard.
  Optional tape locator with ten position memory and shuttle control.
  Rear-panel SMPTE interlock interface for synchronization.
  Fast threading, simple tape path with no swing arms.
  Tape splicing block and selectable edit modes.
  Illuminated transport controls with two-level illumination indicating status.
  Desk-height console on casters optional.

• Dimensions and Weight:
  Approx. 482 x 400 x 178 mm (W x D x H).
  Weight around 70 kg.