Extron electronic BUC 102 specifications Features, Description, Extron, Specifications, Model

Signal Processors

BUC 102

Two Channel Audio BUC - Balanced and Unbalanced Converter

Features

•Inputs: Captive screw connectors

•Outputs: Captive screw connectors

•Provides signal matching between unbalanced and balanced audio equipment

— The BUC 102 enables correct interfacing of consumer and professional equipment with proper gain offsets.

•Audio line driver — Active, op amp-based circuitry provides wide frequency response, low noise, immunity to interference - EMI, and the ability to drive signals over long cables.

•Allows transmission of balanced audio signals up to 1000' through Extron STP20 cable

•Gain control for each channel with a wide adjustment range from -80 dB to

+20 dB — Two front panel rotary trim pots provide level adjustment for each input.

•Gain compensation switch for interfacing between professional A/V systems

•Rack-mountable 1U, one-eighth rack width metal enclosure

•External universal power supply included, part # 70-055-01 — Provides worldwide power compatibility.

DESCRIPTION

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 A/V 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. Part of the VersaTools® line of small, economical, integrator friendly products, the BUC 102 is housed in a 1U, one-eighth rack width metal enclosure.

Audio input

Number / Signal type	1 set of stereo, balanced/unbalanced
Connectors	(1) 3.5 mm captive screw connector, 5 pole
Impedance	>20k ohms unbalanced, 40k ohms balanced, DC coupled
Nominal level	-10 dBV (316 mVrms) or +4 dBu (1.23 Vrms)
Maximum level	+20 dBu (7.75 Vrms), balanced or unbalanced, at 1%THD+N, 0 dB gain
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 +4dBu (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
External power supply	100 VAC to 240 VAC, 50/60 Hz, 5 watts, external, universal; to 12 VDC,
	1 A, regulated
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
Rack mount	Yes, with optional rack shelves (See optional accessories)
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 / Shipping weight	0.2 lbs (0.1 kg) / 2 lbs (1 kg)
Vibration	ISTA 1A in carton (International Safe Transit Association)
Listings / Compliances	UL, CUL / CE, FCC Class A, VCCI, AS / NZS, ICES
MTBF	30,000 hours
Warranty	3 years parts and labor

NOTE: All nominal levels are at ±10%, and all specifications are tested at unity gain unless otherwise noted. Specifications are subject to change without notice.

Extron

BUC 102

Balanced/Unbalanced

N

AL

INPU

TS

Audio Converter

102

B

BU

C

R

BAL

BA

L

L

ARE

DIO

SP

AUL/UNRTER

ON

BANVE

R

CO

1

2

UNBA

L

PO

WER

PUTS

MAX

OUT

12V

L

0

.2A

UNBA

BAL/

SPECIFICATIONS

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.

DIP Switch Setting	Output Wiring
	Unbalanced	Balanced
Unbalanced	0 dB	+6 dB
Balanced	-6 dB	0 dB

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

Unbalanced

Balanced	Extron
	300' STP 22
	Dual Audio/
	Control Cable

DVD	Extron
	HPA 502
	Half Rack Power
	Amplifer	Extron
		SI 28
		Surface-Mount
		Speakers

	Model	VERSION DESCRIPTION			PART #
	BUC 102	Balanced-Unbalanced Audio Converter	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . . . . . . . . . . . . . . . . . . .	60-651-01
	Optional Accessories	Model DESCRIPTION		page	PART #
	RSU 129	1U 9.5" Deep Universal Rack Shelf Kit	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	page 819	60-190-01
	RSF 123	1U 3.5" Deep VersaTools® Rack Shelf Kit	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	page 818	60-190-20
	MBU 123	VersaTools® Mini Under-Desk Mount Kit	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	page 815	70-212-01
	PMK 100	One VersaTools®, 1/4 Rack Width Mini Projector Mounting Kit		page 813	70-217-01
	MBB 100	VersaTools® Back of Rack Mounting Kit	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	page 817	70-367-01
670
		USA West	USA East		www.extron.com
		+1.714.491.1500 / +800.633.9876	+1.919.863.1794 / +800.633.9876		© 2008 Extron Electronics. All rights reserved.
		+1.714.491.1517 FAX	+1.919.863.1797 FAX		Pricing and specifications may change without notice.