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 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

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It is currently 21 Apr 2021, 06:11

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PostPosted: 22 May 2017, 08:27 

Joined: 20 May 2017, 15:55
Posts: 1
Location: Houston Tx
Recently purchased four of these single, 3.5", 8 ohm, 110-20Khz drivers and want to place them in their own individual cabinets. Due to size constraints of where they're going, I'm looking at an interior space of roughly 190 cubic inches, with the cabinet looking like a small loaf of bread - 4.5" x 4.5" x 9.25" long. Would prefer to place the drive on the 4.5"x4.5" end.... so my question is, for optimal bass response, should I make these as a sealed cabinet [FYI - I'm not running a subwoofer] or should I port the cabinet ? If I port, what diameter and what length ? Also, if I port, should I place it on the far end of the cabinet, facing the opposite direction the driver, or should I place it along it's length, somewhere towards the bottom ? Any and all suggestions would be most appreciated.

PostPosted: 22 May 2017, 15:23 
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Joined: 08 Aug 2009, 03:11
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Location: Chilliwack, BC

You'll find this handy:


-= Gregg =-
* Ratings are for transistors - tubes have guidelines*
Home: GeeK ZonE
Work: Classic Valve Design

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