Speco Technologies T70255 Manual

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T70255 70V/25V 5W Transformer

Thank you for your choice of Speco Technologies’ T7025 transformer. This unit is ideal for converting 8 Ohms

residential style speakers to a constant voltage 70V or 25V format for use in commercial installations. With this

accessory, literally any 8 Ohms speaker could potentially be used in a 70V or 25V system.

INSTALLATION INSTRUCTIONS:

1) This transformer has a label on each side which indicates what each color wire

corresponds to. As opposed to the other transformers Speco Technologies

manufacturers, there are wires on both sides that can be run back to the

amplifier.

2) On the side with the 8 Ohms label, there is a red and a black wire. The red wire

should be connected to the positive (+) terminal on your 8 Ohms speakers. The

black, or common, wire should be connected to the negative (-) terminal on

your speaker. PLEASE NOTE THAT THIS TRANSFORMER SHOULD BE INSTALLED

AS CLOSE TO THE SPEAKER AS IS REALISTIC. DISTANCES FURTHER THAN 10’ WILL RESULT IN A LOSS OF POWER TO

THE SPEAKER. ALSO NOTE TO ONLY USE THE RED AND BLACK FROM THIS SIDE OF THE TRANSFORMER FOR

CONNECTION TO THE SPEAKER (AS THERE ARE ALSO RED AND BLACK ON THE OPPOSITE SIDE).

3) On both sides of the transformer, there are wires for connection to a 70V or 25V amplifier. The label on the opposite

side of the 8 Ohms labels describes what colors correspond to what power. 25V colors are on the left, and 70V colors

are on the right, with power value in the middle. There is another black wire on this side, and this is the

negative/common wire and should be connected to the negative/common output on your amplifier. You can connect

speaker wire in between your amplifier and your transformer and distance is not as important as it is on 8 Ohms side.

4) The power taps range from 5W down to 0.25W. Choose the color cable that corresponds with the desired power and

voltage, and via speaker wire, connect that to the positive terminal on your amplifier.

5) IMPORTANT: Ensure total power of all wattage taps selected on all transformers running from this amplifier does

not exceed 80% of rated power of the amplifier. (e.g., if the amp rated power is 100W, do not put more than 80W of

speakers on it). Speco Technologies is NOT responsible for damage to equipment due to improper installation.

6) IMPORTANT: Ensure you are wiring the proper voltage. Only use 70V taps with a 70V amplifier, and 25V taps with a

25V amplifier. Speco Technologies is NOT responsible for damage to equipment due to improper installation.

7) If daisy chaining speakers, ensure speakers remain in phase by keeping all the positives wired together and all the

negatives wired together.

8) Cutoff bare portion of unused leads and terminate with electrical tape or wire nuts.

WARRANTY INFORMATION:

We warranty this product to be free from any manufacturing or material defects for one (1) year from the date of purchase.

This warranty will not extend to any products which have been subjected to misuse, neglect, accident, or improper installation, used in violation

of instructions furnished by us; or to units which have been repaired or altered outside of the factory. This limited warranty does not apply to

broken cases, batteries, or other physically damaged parts. If a Speco Technologies product is purchased from an unauthorized distributor or

other source, including RETAILERS, MAIL ORDER SELLERS and ONLINE SELLERS, it will not be honored or serviced under existing Speco

Technologies warranty policy. Any sale of products by an unauthorized source or other manner not authorized by Speco Technologies will void

the warranty on the applicable product.

Upon request by customer, Speco Technologies (“The Company”) will, at customer's expense, repackage merchandise in new cartons, replace

missing accessories, and return in resalable condition. Unless requested, the company will replace and return all merchandise in the packaging

in which it was received. This warranty is in lieu of all expressed warranties, expressed or implied, and of all obligations or liability on our part,

and we neither assume nor authorize any representative or other person to assume for us any obligation or liability. In no event shall we be

liable for incidental or consequential damages arising from the use of the product, or for any delay in the use of this product due to causes

beyond our control. Some states do not allow limitations of how long an implied warranty lasts and/or do not allow the exclusion or limitation

of consequential damages. The above limitations on implied warranty and consequential damages may not apply to you. This warranty gives

you specific legal rights. You may have other rights which vary from state to state. This limited warranty extends to products listed in the

company's current price schedule.

Speco Technologies is constantly developing and improving products.

We reserve the right to modify product design and specifications without notice and without incurring any obligation.

Speco Technologies . 200 New Highway . Amityville . NY . 11701 . www.specotech.com

Rev. 04/29/20