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G86TG / G86TCG 70/25V 8” Round In-ceiling Speakers
Thank you for your purchase of one of Speco Technologies 86 series speakers. This classic design sets the standard for background music and paging in
commercial installations. All Speco Technologies’ indoor speakers come with a LIFETIME warranty against manufacturing defects, so you can be
confident in your choice of product.
INSTALLATION INSTRUCTIONS:
1) For optimal installation, this speaker should be used with
the Speco Technologies accessories indicated to the right.
2) Cut an 11.3” diameter hole in your ceiling tile.
3) If you are not using the STH8, these speakers require at
least 2.7” between the back of the ceiling tile and the
ceiling. If you are using the STH8, this assembly requires at
least 5” clearance.
4) Install all products in the order shown.
5) Wire the positive lead from your amplifier to the colored
lead of your desired power on the transformer.
6) Wire the negative lead from your amplifier to the
black/common lead on the transformer.
7) IMPORTANT: Ensure the total power of all wattage taps
selected on all speakers running from this amplifier does
not exceed 80% of the 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.
8) 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.
9) If daisy chaining speakers, ensure speakers remain in
phase by keeping all the positives wired together and all
the negatives wired together.
10) Cutoff bare portion of unused leads and terminate with
electrical tape or wire nuts.
11) For G86TCG, adjust volume control knob on grille to
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.
desired level.
Speco Technologies . 200 New Highway . Amityville . NY . 11701 . www.specotech.com
Rev. 04/28/20
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