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Holton Precision Audio High quality, high performance amplifier modules and accessories

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Old 15th March 2012, 03:13 PM   #1
sonnya is online now sonnya  Denmark
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Default HPA-nxV101 Signature



The looks is ... i lost my breath.....
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Old 15th March 2012, 10:21 PM   #2
The Saint is offline The Saint  Australia
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Quote:
Originally Posted by sonnya View Post


The looks is ... i lost my breath.....
Hi Sonnya

Thanks for the complement
I am very happy you like it.

Click the image to open in full size.

Click the image to open in full size.

110 Watts RMS continuous sine wave into 8 Ω
180 Watts RMS continuous sine wave into 4 Ω
Biased into Class A/B
Power Bandwidth 3.5hz to 600khz -3dB
Slew Rate = 80v / microsec approximately
Dampening Factor At 100hz 8Ω = 800
Dampening Factor At 1khz 8Ω = 650
Dampening Factor At 10khz 8Ω = 250
RCA Single ended Input impedance 33kΩ
Single Ended Input Gain = 30.6dB
THD+N @ 1khz 0.0045%
THD+N @ 10khz 0.009%
SNR -105dB
Recommended Linear Voltage Supply +-50 volts DC

Cheers

Anthony
Aussie Amplifiers

Last edited by The Saint; 15th March 2012 at 10:25 PM.
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Old 11th May 2012, 06:59 AM   #3
tinitus is offline tinitus  Europe
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HPA-nxV101 Signature
been watching too
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Old 12th May 2012, 11:00 AM   #4
supernet is online now supernet  Europe
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Looks nice


It is possible to attach THD harmonic components graph?
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Old 13th May 2012, 02:09 AM   #5
The Saint is offline The Saint  Australia
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Originally Posted by supernet View Post
Looks nice


It is possible to attach THD harmonic components graph?
Hi Supernet

I don't have the capability to produce the kind of graphs that an audio precision analyzer can do, but I might be able to output a basic frequency spectrum graph from my tektronics digital CRO if that would help?

Cheers

Anthony
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Old 13th May 2012, 10:07 AM   #6
supernet is online now supernet  Europe
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...but I might be able to output a basic frequency spectrum graph from my tektronics digital CRO if that would help?

That would be OK
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Old 25th July 2012, 12:35 AM   #7
Sadface is offline Sadface
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Am I correct in thinking that the power supply is integrated onto the circuit board and thus all that would be required would be a suitable transformer?
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Old 25th July 2012, 12:55 AM   #8
The Saint is offline The Saint  Australia
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Quote:
Originally Posted by Sadface View Post
Am I correct in thinking that the power supply is integrated onto the circuit board and thus all that would be required would be a suitable transformer?
Hi Sadface

Yes the power supply is built in to the main PCB and all that is required
is a power transformer to power it and a suitable heat sink to mount it on.
The recommended power transformer is 300VA toroidal core with 2 x 35VAC secondary windings.

The recommended heat sink would be a Conrad MF25-50 or something of similar
surface area.

I hope this helps

Cheers

Anthony

Last edited by The Saint; 25th July 2012 at 12:59 AM.
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Old 25th July 2012, 01:46 AM   #9
The Saint is offline The Saint  Australia
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Originally Posted by Sadface View Post
Am I correct in thinking that the power supply is build onto the board for these and thus they would only require a suitable transformer etc for setup?
Correct, see above post for more info.

Cheers

Anthony
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Old 28th July 2012, 01:28 AM   #10
Sadface is offline Sadface
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Are you able to supply the appropriate transformers and heatsinks?
If so what would be the cost?

Many Thanks
Duncan Vella
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