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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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PostPosted: 16 Jan 2016, 09:29 
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Joined: 16 Jan 2016, 09:22
Posts: 2
Hello all. This is my first post here.

I'm looking for ideas on how to make the tweeter of a JBL Control 5 loudspeaker (used as a center, upside down) aimable.

Glad to be here.

Many thanks in advance and best regards.


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PostPosted: 22 Jan 2016, 19:45 
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Joined: 06 Jun 2008, 18:23
Posts: 4977
Location: Australia
Try an L pad to drop it 3 to 6 db. Ensure a 2uf cap in series before the pad. An image would be nice and meashure the DC resistance.

There are L pad calculators on the net. Good luck.

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Projects: "Grace" - Psvane 6SN7-SE Globe preamp | | "VoXUno" - Single driver MarkAudio 12P speaker | | "Lagoon Take 2" - Single stage tube preamp | Website: retro-thermionic


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PostPosted: 25 Jan 2016, 08:11 
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Joined: 16 Jan 2016, 09:22
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mwhouston wrote:
Try an L pad to drop it 3 to 6 db. Ensure a 2uf cap in series before the pad. An image would be nice and meashure the DC resistance.

There are L pad calculators on the net. Good luck.
Hello mw and many thanks for your reply.

I meant to aim it geometrically/physically. The way I'm mounting the speaker aims the tweeter too much off the listening area.


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