Pinnacle Speakers, a unique family owned and operated business since 1976, designs and manufactures speakers famous for their sterling sound. Our products combine superior technologies with artistic expertise, supported by extended warranties, the longest of any major speaker brand. We are proud to provide a personal service philosophy that's unprecedented in these times, and in this highly automated world.

OC HT 1 On-Ceiling Speaker
Available as a 3-Pack (LCR) or Single
Excite Award
View Larger Image
Download Manual Here **
Download Product Spec Sheet Here **
  ** Requires Adobe® Acrobat® Reader


  • Premium on-ceiling solution for Retro-fit and MDU markets
  • Ideal for on-ceiling / on-wall Home Theater / Music systems
  • 3-in-1 Mounting Bracket Enables: Flush Ceiling, Flush Wall Mount, or Inverted Wall Mount Options
  • Fire Code Friendly
  • Beautiful High Gloss Piano Lacquer Finish
  • Includes 2 Grilles, both Metal Perf and Cloth, to Suit Any Décor
  • 1/4-20 Threaded Insert Allows for Pivot Bracket Mounting
  • Butyl Rubber Surround Provides Excellent Cone Control and Exceptional Durability
  • Built-in Automatic Overload Protection Circuitry
  • 10 Year Transferable Warranty on parts & labor
  • Designed in the USA

System Type: 2-Way, 2nd Order Acoustic Suspension

Component Drivers:  

  • 1" liquid cooled silk dome tweeter with neodymium magnet
  • 5.25" polypropylene woofer with butyl surround and die cast phase plug

Frequency Response: 110 - 20 kHz (+/- 3 dB)

Crossover Frequency: 5 kHz

Recommended Amplifier Power: 15 - 125 Watts RMS per channel

Operative Power Range: 15 - 75 Watts, 225 Watts Peak

Sensitivity: 89 dB @ 1 Watt / 1 Meter (2.83 Volts Pink Noise)

Nominal Impedance: 8 Ohms

Dimensions: 8 15/16" Round x 4 3/8" Deep (with Grille) 

Finish: High Gloss Piano White

Weight: 5 lbs. each

Ideal for Retro-fit and MDU markets

Pinnacle has developed the first high performance ON-CEILING speaker that delivers audiophile performance; ideal for the retro-fit and Multi-Dwelling Unit (MDU) markets.   

The OC HT 1 is the ideal sonic solution when ceiling placement is the preferred location for your music/Home Theater system.  The circular cabinet of varying depths enhances the bass response by virtually eliminating standing waves.  This cabinet design results in cleaner, better defined bass with an improved attack / decay ratio. 

The OC HT 1 is the perfect solution, particularly for the retro-fit and MDU (multi-dwelling units) markets.


  Home Theater Magazine
"A piano-lacquer finish... so well executed... with sensuously rounded edges and corners... the Pinnacles shone with a versatile, snappy, powerful presentation.. The Black Diamonds are jewels...I warmly recommend these speakers to anyone." 

See Home Theater Review

I have owned these speakers for two years and I love them. Thanks so much... George

Submit Your Own Review

The Black Diamond Series is a stunning collection of contemporary Audio/Home Theater speakers by Pinnacle. These speakers are sophisticated, stylish and accurate audio reproduction instruments.

Black Diamond Special Features

Black Diamond Series

OC HT 1 On-Ceiling
BD 100 Satellite
BD 200 LCR
BD 300 Center
BD 500 Bookshelf
BD 500 OW
BD 600 Center
BD 650 Bookshelf
BD 1000 Slim-Line Tower
BD 2000 Tower

BD BAR 37 Speaker Bar

Sonic 500 Subwoofer
Supersonic Subwoofer

© 1997-2016 Pinnacle Speakers, All Rights Reserved
COPYRIGHT NOTICE: Pinnacle® Speakers owns the copyrights to the content of this website which includes photographs, descriptive copy, trade names, logos, layouts etc. Any unauthorized use of this material is an infringement of our copyrights and we will protect our copyrights to the fullest extent of the law.