BUC 102 Retired

Two Channel Audio BUC - Balanced and Unbalanced Converter
Key Features
  • Provides signal matching between unbalanced and balanced audio equipment
  • Audio line driver
  • Allows transmission of balanced audio signals up to 1,000 feet (300 m) through Extron STP20 cable
  • Gain control for each channel with a wide adjustment range from -80 dB to +20 dB
  • Gain compensation switch for interfacing between professional AV systems
The Extron BUC 102
Model Version Description Part #
BUC 102 Balanced-Unbalanced Audio Converter 60-651-01 Retired

This product has been retired.
Suggested Replacement
BUC 202

The Extron BUC 102 Balanced and Unbalanced Audio Converter provides signal matching between unbalanced and balanced audio equipment. In addition to serving as an interface between professional AV systems and consumer products, the BUC 102 is a high-quality line driver for sending and receiving audio signals over long distances.

Inputs and outputs for the BUC 102 are on captive screw connectors. User controls include variable gain adjustments and a gain compensation switch to maintain consistency between consumer and professional audio levels. The small, economical, integrator friendly BUC 102 is housed in a 1U, one-eighth rack width metal enclosure.

Features

OPTIONAL ACCESSORIES
  RSU 129 Universal Rack Shelf Kit for 9.5" Deep Products
  RSF 123 Rack Shelf Kit for 3.5" Deep Products
  MBU 123 Low-Profile Mount Kit for 1/8, 1/4, and 1/2 Rack Width Products
  PMK 100 Pole Mount Kit for One 1/4 Rack Width Product
  MBB 100 Back of Rack Mounting Kit

Specifications

BUC 102
Audio
   Gain Unity (0 dB) when the BUC 102 is set to the default gain adjustment and the DIP switch is set to match the output wiring.
    BUC 102
   Gain adjustment range Mute to +20 dB, when DIP switch is set to match the output wiring
   Frequency response 20 Hz to 20 kHz, <±0.15 dB
   THD + Noise 0.05% @ 1 kHz at nominal level
   S/N >90 dB, balanced, at maximum output, unweighted
   Stereo channel separation >80 dB @ 1 kHz, >60 dB @ 20 kHz
   CMRR >72 dB @ 20 Hz to 20 kHz
Audio input
   Number/signal type 1 set of stereo, balanced/unbalanced
   Connectors (1) 3.5 mm captive screw connector, 5 pole
   Impedance >10k ohms unbalanced/balanced
   Nominal level -10 dBV (316 mVrms) or +4 dBu (1.23 Vrms)
    NOTE     0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu.
Audio output
   Number/signal type 1 set of stereo, balanced/unbalanced
   Connectors (1) 3.5 mm captive screw connector, 5 pole
   Impedance 50 ohms unbalanced, 100 ohms balanced
   Gain error ±0.5 dB channel to channel
   Nominal level -10 dBV (316 mVrms) or +4 dBu (1.23 Vrms)
   Maximum level (Hi-Z) >+25 dBu (13.78 Vrms), balanced, at 1% THD+N with 100k ohm load
   Maximum level (600 ohm) >+18 dBu (6.16 Vrms), balanced, at 1% THD+N
(The level of an unbalanced signal will be 6 dB lower.)
General
   Power supply External
Input: 100-240 VAC, 50-60 Hz
Output: 12 VDC, 1 A
   Power input requirements 12 VDC, 0.2 A
   Temperature/humidity Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
   Cooling Convection, no vents
   Mounting 
      Rack mount Yes, with optional 1U rack shelf
      Furniture mount Yes, with optional mini under-desk mounting kit
      Pole mount Yes, with optional mini pole mount kit
   Enclosure type Metal
   Enclosure dimensions 1.7" H x 2.2" W x 3.0" D (1U high, one-eighth rack wide)
(4.3 cm H x 5.6 cm W x 7.6 cm D)
(Depth excludes connectors.)
   Product weight 0.2 lb (0.1 kg)
   Shipping weight 2 lbs (1 kg)
   Vibration ISTA 1A in carton (International Safe Transit Association)
   Regulatory compliance 
      Safety CE, c-UL, UL
      Compliances CE, C-tick, FCC Class A, ICES, VCCI
   Warranty 3 years parts and labor
    NOTE     All nominal levels are at ±10%, and all specifications are tested at unity gain unless otherwise noted.
    NOTE     Specifications are subject to change without notice.
(8.0-071111-D4)

Diagram

Application Diagram

Panel Drawing

Panel Drawing
© 2019 Extron. Specifications are subject to change without notice.