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White square ceiling speaker grille with silver volume knob

SPECO TECHNOLOGIES

SPECO TECHNOLOGIES SPC-SPG86T 8 Speaker Grill Combo With Volume Control

SKU CH-2YRE-CD5PZ

An 8-inch speaker grill combo with volume control and 70/25 V transformer, rated 10 W RMS and 15 W PMPO

  • TypeOthers
  • 15 W PMPO output for clear sound reproduction
  • 10 W RMS power handles sustained playback
  • 70/25 V transformer suits distributed audio lines
  • Built-in volume knob gives local level control
  • Eight-inch driver with modern grill fits standard cutouts

Speaker Grill Combo With Volume Control

The SPECO TECHNOLOGIES SPC-SPG86T is an 8-inch speaker grill combination designed for commercial audio installations. It includes a built-in volume control knob for local level adjustment and operates with a 70/25 V transformer for distributed line systems.

Installers Needing Simple Zone Control

This unit suits contractors who want a single speaker with an integrated attenuator for background music or paging in offices, retail spaces, or restaurants. It does not serve buyers who require a separate amplifier channel per zone, nor those needing weather-rated enclosures for outdoor deployment.

Straightforward Ceiling Or Wall Mount

The speaker fits standard cut-out dimensions for drop-ceiling tiles or surface-mount boxes, and the transformer taps are selected via clearly labelled leads. The most common issue is wiring the 70 V and 25 V taps simultaneously, which loads the line incorrectly and reduces output.

Highlights

  • 15 W PMPO output for clear sound reproduction
  • 10 W RMS power handles sustained playback
  • 70/25 V transformer suits distributed audio lines
  • Built-in volume knob gives local level control
  • Eight-inch driver with modern grill fits standard cutouts

Specifications

BrandSPECO TECHNOLOGIES
TypeOthers

Questions about this item

What amplifier power rating do I need to drive the 10 W RMS speaker safely?

An amplifier rated around 10 W RMS per channel matches the speaker's continuous power handling, while the 15 W PMPO figure indicates short-term peak capacity.

Can I connect this 70/25 V transformer speaker to a standard low-impedance amp output?

No, the built-in 70/25 V transformer requires a constant-voltage amplifier output; connecting it to a typical 4-8 Ω speaker terminal would cause a severe impedance mismatch.

How do I verify the volume control is functioning after installation?

Turn the front-panel knob through its range while audio plays; sound level should change smoothly from minimum to maximum without crackling or sudden jumps.

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