Alpha TT33-8P Specsheet

Product Specification Sheet APS861 - Rev. 11/2013

TT33-2 QwikBUS™ Panel Speaker/Microphone UnitTT33-2 QwikBUS™ Panel Speaker/Microphone Unit

42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: [phone] • Fax: [phone] Central Drive • Farmingdale • NY • 11735-1202 • Phone: [phone] • Fax: [phone]

TOLL-FREE: [phone] • Web: AlphaCommunications.com • Email: [e-mail]-FREE: [phone] • Web: AlphaCommunications.com • Email: [e-mail]

Copyright © 1998-2 017 Alpha Communication s® - All Righ ts Reserved.

Due to c ontinuo us product i mprovement, all col ors, sizes, materials, finishes and sp ecifications are subject to change witho ut not ice.

TT33-2 (Shown with Housing)TT33-2 (Shown with Housing)

Architects' And Engineers' SpecificationsArchitects' And Engineers' Specifications

The door entry panel speaker / microphone unit(s) shall be Alpha
Communications®/S.T.R.™ model# TT33-2 QwikBUS™
or equivalent. Speaker/microphone unit(s) shall be powered from
the associated model# SP333 QwikBUS™ Intelligent Controller
unit(s). All wiring to speaker/microphone shall be low-voltage Class
II wiring, installed as per all federal, stat e, and local elec trical and
building codes.

Speaker/microphone unit(s) shall be designed to mount directly
behind the fac eplate in various models of pushbutton style Alpha
Communications® lobby entry intercom panels.

Speaker/microphone unit(s) shall feature a built-in door release
relay, voice volume control potentiometer and a plug-in c onnector
for connect ion to the model# E32 32 station 2-wire extender(s),
as needed (maximum 3 per system).

Contractor shall observe all local and national electrical and
building codes.

TT33-2 QwikBUS™ Panel Speaker/MicrophoneTT33-2 QwikBUS™ Panel Speaker/Microphone

UnitUnit

The Alpha Communicat ions® / S.T .R.™ TT33-2 QwikBUS™ Panel
Speaker/Microphone units are used with t he S.T.R.™ QwikBUS™
systems to provide intercom functions at remote door entry
locat ions, and depending on system configuration, opt ional electric
door opener(s) etc .

The TT 33-2 powers from the associated model# SP333 QwikBUS™
Intelligent Cont roller unit(s), and does not require any additional
power supply unit(s). When used with c onventional pushbutton
type door entry st ations where elect ric door release is required,
the T T33-2 will also require a model# T1240 U.L. Listed 12VAC
plug-in transformer.

The TT 33-2 speaker/microphones are designed to easily mount
right behind the fac eplate in various models of our lobby entry
pushbutton style interc om panels.

The TT 33-2 speaker/microphones also feature a built-in door
release relay, voice volume c ontrol potent iometer and a plug-in
connector for connect ion to t he model# E32 32 station 2-wire
extender(s).

The PC boards are treated with a spec ial chemical finish, to
minimize the affec ts of weather and moisture on the elect ronic
components.

FeaturesFeatures

Easily Installs Right Behind Lobby Entry Panel
Operates on Safe Low- Voltage Class II Wiring
Clear Voice Fidelity with Adjustable Voice Volume Control
Convenient Sc rew Terminal Connect ions
High quality Half-Duplex or Enhanced Half-Duplex Voice
Communications (depending on inside st ations being used)

SpecificationsSpecifications

Dimensions:

3.375"W (86mm) x 5.625"H (143mm)
x 1.25"D (32mm).

Volume:

Built-In Adjustable Volume Control
(potentiometer).

Connections: Positive Sc rew T erminal Connectors.