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Clone Goldmund Amplifier
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Old 13th December 2011, 03:09 PM   #101
hien.t.nguyen is offline hien.t.nguyen
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values on the gate resistors: 820 ohm for N channel and 470 ohm for P channel with lateral mosfet is 10N20+10P20
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Old 13th December 2011, 03:32 PM   #102
dungdochi1978 is offline dungdochi1978  Viet Nam
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which class this amp working on?
only high power ? quality? distortion?noisy? bandwith?...
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Old 13th December 2011, 04:15 PM   #103
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Original Metic 3 used driver MJE340+350
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File Type: gif m3.GIF (58.5 KB, 1143 views)
File Type: gif dr3.GIF (52.7 KB, 1124 views)
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Old 13th December 2011, 04:28 PM   #104
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Quote:
Originally Posted by dungdochi1978 View Post
which class this amp working on?
only high power ? quality? distortion?noisy? bandwith?...
Amplifier working in class AB
Harmonic Distortion < 0.001%
Noise 116dB with intergrated amplifier
Noise 122dB with power amplifier
bandwith
10Hz-70Khz: +/-0.1dB
1Hz-200khZ: +/-1dB

capacity depends on model myclone
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Old 13th December 2011, 05:08 PM   #105
tommy1000 is offline tommy1000  Denmark
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Quote:
Originally Posted by hien.t.nguyen View Post
Original Metic 3 used driver MJE340+350
Wow look what turns up after four months! Thank you!
Can you show us the input stage also?
I think that the CCS is different from the MM9.2?
And one OPA134?
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Old 13th December 2011, 05:17 PM   #106
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Yes,i can

CCS used ZTX694B
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File Type: gif ccs.GIF (55.0 KB, 1080 views)
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Old 13th December 2011, 05:25 PM   #107
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Your picture is this chanel,i see R72,C31 in the your picture
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Last edited by hien.t.nguyen; 13th December 2011 at 05:29 PM.
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Old 13th December 2011, 05:33 PM   #108
tommy1000 is offline tommy1000  Denmark
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Any change in this parts?
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Old 13th December 2011, 05:39 PM   #109
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Quote:
Originally Posted by tommy1000 View Post
Wow look what turns up after four months! Thank you!
Can you show us the input stage also?
I think that the CCS is different from the MM9.2?
And one OPA134?
Can you show more pictures? i want to see layout original
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Old 13th December 2011, 05:45 PM   #110
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Quote:
Originally Posted by tommy1000 View Post
Any change in this parts?
OK,it is R56 = 33K and R62 = 10K => Vb = (10/43)xVcc

Your post #108 is schematic Goldmund module job4,it used 56K and 33K,lateral mosfet output is K1058+J162,I have also this schematic but I dont know it use in what model Goldmund?
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Last edited by hien.t.nguyen; 13th December 2011 at 05:52 PM.
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