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Paul Spencer

DIY audio: what are you building?

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21 hours ago, explorer2203 said:


That’s why I am building 5 way active speakers out of GFRC

Cool, who is building them for you?

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Cool, who is building them for you?


Me.

Have a look at my thread on 5 way active speakers

Or Facebook page. Stone audio Sydney

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A bit of progress.

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1 hour ago, Batty said:

A bit of progress.

DSC_0195.thumb.JPG.4c228eeffe5bd697d828735d09575d88.JPG

Ive missed something. It is?

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Pass Labs M2X power amp, 25w class A

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24 minutes ago, Batty said:

Pass Labs M2X power amp, 25w class A

Should be nice. 

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Yeah, just let the smoke out of a 100 ohm resister though on power up.

 

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I have spares of those

 

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Posted (edited)

My new P77i showed up today. Mounted and listening. Better bass and better mids than the K3. You can hear the K3 in there but the sound has definitely lifted. Happy so far. 

 

Funny how how this has same specs etc to the P77i;- https://www.vinylengine.com/library/arcam/p77.shtml

 

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Edited by mwhouston

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Posted (edited)

“Icon” in the same vane as Grace and Elite but with very different passives and a matched pair of ShuGuang 50 Year Treasure CV-181-Z (6SN7). Cheaper parts but still with Mundorf EVO oil output caps and stepper attenuator. This time metal film Rs.

 

Assembled not wired. External PS as with the others. Three mutually exclusive inputs this time. Input selection at front.

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Edited by mwhouston

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Where's that case from Mark?

 

Cheers,

 

Alberto

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Posted (edited)

It lives.Mundorf EVO oils, ShuGuang 50 Year treasures  and this time Cks for more second harmonic. Usually I don’t bipass my cathode resistors (Rk) but this time I went for more second H. 

 

Sounds really excellent. 

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Edited by mwhouston

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@mwhouston Your preamps are a work of art!  Have you built any passive TVC preamps before?  What are your thoughts on them?

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