BD 500 Series II


"The Verdict: The Pinnacle Black Diamonds are stellar performers with a winning personality, delivering consistently pleasing sound." - Sound & Vision

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"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."


  • Beautiful multi-layer piano lacquer finish, a process that takes 1 full week to produce
  • Butyl Rubber Surround Provides Excellent Cone Control and Exceptional Durability
  • 1/4-20 Threaded Insert Allows for Pivot Bracket Mounting 
  • Automatic Overload Protection Circuit
  • Video shielding allows placement near TV without interference
  • Metal grille fasteners for enhanced durability
  • Gold plated binding posts for a high quality and secure connection
  • 12 Year Transferable Warranty on parts & labor
  • Designed in the USA

System Type: 2-Way, 4th Order Rear Vented

Component Drivers:  

  • 1" liquid cooled silk dome tweeter with neodymium magnet 
  • 5.25" polymer cone woofer with rubber surround and die cast phase plug

Frequency Response: 49 Hz - 23 kHz (+/- 3 dB)

Frequency Range @ -6 dB: Low: 45 Hz, High: 27 kHz

Crossover Frequency: 5 kHz

Recommended Amplifier Power: 15 - 125 Watts RMS per channel

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

Sensitivity: 87 dB @ 1 Watt / 1 Meter (2.83 Volts Pink Noise)

Nominal Impedance: 8 Ohms

Dimensions: 6 3/8" Wide x 9 1/2" High x 8 1/8" Deep 

Finish: High Gloss Piano Black

Weight: 18 lbs. per pair

User Reviews

I'm delighted with the sound and the appearance - Tim Warren

I'm quite surprised to find a set of speakers that made me want to switch out my B&Ws! I just can't say enough how much I like the speakers, for music and movies. Thanks again for some kicking speakers. - Keith Williams

Awesome speakers! - Michael Harper

Great sound and price! - Mark G.

Everyone who has heard the speakers comments on how great they sound, thanks again. - David B.

Great sound from such a small box! - Winslow G.

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