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ITC Delta Series 99BITC Series 99B Audio Cartridge Machines

Introduction

ITC's Series 99B Audio Tape Cartridge Machine is the most respected broadcast cartridge recorder/reproducer ever produced. Considered by many as the ultimate master broadcast studio recorder, its reputation for premium quality audio performance and reliability is reinforced daily in broadcast facilities around the world.

Only ITC's Series 99B features the patented ELSA system for cartridge preparation, ensuring consistently high recording quality.  Prior to recording, the ELSA system can erase the cartridge, locate and properly position the tape splice and adjust the azimuth of the record head to provide optimum phase performance and frequency response.

Three cue tones are standard, as is high-speed re-cue.  The record amplifier features large VU meters with LED peak indicators, input level controls and a unique meter/special function panel containing controls for meter function select, 1 kHz primary tone add/defeat, cue erase and an internal test tone generator. All functions are microprocessor-controlled.  Signal integrity is assured by the use of top-quality connectors throughout.

Audio inputs and outputs are XLR-type, and a keyed, positive contact latching connector provides interface for the record head.  A 50-pin locking connector is provided for remote control.  Socketed ICs and gold-plated card edge connectors assure the integrity of electrical continuity.

ITC's Series 99B is ruggedly built.  The deck plate is rigid one-half inch precision machined and anodized aluminum.  The patented micro-adjust head module provides individual adjustment and locking for height, azimuth and zenith.  A heavy-duty, true positioning, air-damped solenoid assures constant pressure, and the high quality crystal-referenced brushless DC servo motor provides extremely accurate tape speed and low wow and flutter performance.

Delta 99B Series Specifications

Inputs
Transformer coupled
Impedance 20K Ohm Bridging, Adjustable for 150/600 Ohm Termination
Input Level +28 dBm Max.
Variable -20, -10, 0 or +10 dBm, nominal

Outputs
Transformer Coupled
Impedance 600 Ohm Load (180 Ohm Source), Adjustable for 150 Ohm Load
Output Level (600 Ohm Ref.) +25 dBm Max.
Variable -18 to +18 dBm, nominal

Cartridge Type
NAB Type A or AA

Tape Speed
Record/Reproduce 7.5 IPS (19 cm/s) Standard, 3.75 IPS (9.5 cm/s) or 15 IPS (38 cm/s) Selectable
Fast Forward 22.5 IPS (57 cm/s)

Tape Speed Accuracy
Record/Reproduce <0.1%

Head Configuration
NAB

Capstan Motor
Brushless PLL DC Servo, Crystal-Referenced

Wow and Flutter
< 0.15% DIN Referenced @ 7.5 IPS (19 cm/s)

Equalization
NAB or IEC

Signal-to-Noise Ratio
20 Hz - 20 kHz Bias/No Signal >56 dB
Depth of Mute >70 dB

System Distortion
< 0.8% THD @ 1 kHz (Total Output Distortion May Be Greater, Dependent on Cartridge/Tape Used)

Crosstalk Between Audio Channels
-50 dB Minimum @ 1 kHz

Bias Frequency
256 kHz, Crystal Referenced

Cue Tones
Primary 1 kHz
Secondary 150 Hz
Tertiary 8 kHz

ELSA System Specifications  
Automatic Phase Alignment
< 20 Degrees Between PGM Channels @ 10 kHz (Final Azimuth Setting Is Cartridge-Dependent)
Splice Detection
>1 mil. Tape Thickness Minimum, Square or Diagonal Cut

Metering
VU Type "A" Scale, Adjustable LED Peak Indicators

Power Requirements
120 or 240 VAC 50/60Hz
Typical Consumption  - 40 VA Typ./60 VA Max.
ELSA Cycle Consumption - 760 VA Typ./800 VA Max.

Ambient Environment
50 to 131F ;10 to 50C

Mounting
Tabletop or Optional 19-inch Rack

Dimensions
5.25 H x 8.5 W x 15.5 D (inches), 13.34 H x 21.6 W x 39.4 D (cm)
Add 3/8-inch (1 cm) for feet (table top mounting)

Weight
Reproducer 31 lbs. (14.1 kg)
Recorder 15 lbs. (6.8 kg)


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This page last updated 7/31/2007