STR Provides Sales, Installs, & Repairs for
QSI Designed Train Control Sound Systems for:
AC Powered O Gauge Toy TrainsSee one or more of the following links:
Your current QSI Sound System doesn't work properly?
QSI Sound System Repairs
Battery giving you trouble?
Battery Info.
Looking for an improvement, i.e. an upgrade to your QSI Sound System?
Sound System Upgrades
Adding a Sound system to an existing QSI ACRU or DCRU?
Sound Syst & Opts PricesWhat sound set do you want?Sound Sets
Need a reverse unit?
All QSI and MTH After Market Train control Sound systems require a reverse unit.
1993-2000:
All MTH locos that were shipped without ProtoSounds units
were equipped with DCRUs, and a whistle or horn board.
All MTH QSI ProtoSounds Train Control Sound Systems do not have a separate DCRU.
The bottom board includes the DCRU feature combined with F & R directional 1.5 Volt Lighting power, Marker Light power, a Power Supply, Auto-Battery-Off, and a Coil Coupler Driver, with a second driver possible.
Find the one that works best for your loco.
AC & DC Motor Reverse Units
The QSI versions that provide both AC Conventional Compatibly with
the Lionel TMCC and the MTH DCS
and Non-Linear Transformer Compatibility are:
MTH
ProtoSounds1 after 1997-8 & Proto Deluxe II
QSI
QSI After Market, QS2p, OEM, QS-3000.All earlier software versions require linear transformers for proper operation. See:
Sound Sets: Sound Sets Family Features
for a comprehensive list.Non-linear listings start at Paragraph 6 and continue at paragraph 9 thru 12.
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FACTORY STOCK REDUCTION SALEQSI PowerGuard
50% OFF MSRP $86. SALE $43. Plus Shipping expenses. No more memory scrambling when train derails.
Get your PowerGuard(s) now while there are still supplies available.
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Brands that can be fitted with the QSI
Conventional Train Control After Market Sound Systems
Lionel, MTH, Williams, K-Line, Weaver, 3rd Rail Sunset Models, Atlas, American Flyer, Pride Lines, Kusan, Ives, Bing, Bud, Marx, Dorfan and many more O Gauge & Standard Gauge locos, and some S Gauge. Works with any locos that operate on AC power, coverage includes the pre and post war eras, as well as all other years up to the present.
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Original Authentic Classic Lionel Whistle Sounds & More
Available in these Products:
Hooter: Operator selectable choices include the Classic Diesel Horn and Bell
Tooter: Operator selectable choices include the Classic Steamer Whistle and Bell
See: Sound Sets: Hooters & Tooters
In QS2-314P: Uses the Classic Steamer Whistle, Bell, Chuff and an excellent period time piece PFA.
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Compatibility with Lionel and MTH Remote Control SystemsSee: Sound System Upgrades
for what items require upgrading to become compatible with these remote control systems and other non-linear power supplies.
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Repairs available for your QSI/MTH After Market & ProtoSounds1 electronics
Go to: QSI Sound System Repairs
and choose 1 of the 2 repair selections.
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Other QSI Products:
Sidekick, Side Kick II, Power Programmer, Power Guard, all AC powered
Hooters & Tooters: An excellent choice for Prewar because they can be set to be louder than After Market Sound Systems.
MARS Light, AC or DC powered
SoundBloxx, ProtoLayout, AC or DC powered
Maxx Traxx, AC or DC powered
LASU (Live Action Sound Units), ProtoFreight, 9 Volt Battery powered
Many failed out of stock items are repairable by STR.
See: QSI Sound System Repairs: QSI Obsolete Products Repairs
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QSI's only Authorized Service Station for 3-Rail products
QSI has transferred the responsibility of handling all of the QSI developed 3 rail products to The Scaled Tin Rail, Inc.
STR
is responsible for everything from manufacturing to selling and
supporting all existing QSI 3-rail products, along with the LASUs, [Live
Action Sound Units], the Sound Bloxxs, and the MARS Lights.
Look in the Dealer lists, organized by State to help you find a dealer near you.
Printing of the STR website pages:
In order to print these pages, highlight the entire page, including the header and left margin info. Then print.
If you don't want the header and left margin, highlight just the printed material, copy to a word processor program, and print from there.
When this glitch is rectified, this note will be removed.
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