Hello Friends, I Have a Question
Example: I have an amp
Class AB
2x200w RMS Power
+/-65V Supply Voltage
Input impedance resistance 56K
Well, for this amp to be A Class, if I increase the input impedance resistance from 56k to 100k and make the supply voltage +/-45V, the RMS and Db ratios will decrease, then can we say that it is A Class?
What is the reality of such an event?
Example: I have an amp
Class AB
2x200w RMS Power
+/-65V Supply Voltage
Input impedance resistance 56K
Well, for this amp to be A Class, if I increase the input impedance resistance from 56k to 100k and make the supply voltage +/-45V, the RMS and Db ratios will decrease, then can we say that it is A Class?
What is the reality of such an event?
No chance Malicarpar, that's not how class A works.
And it has really nothing to do with 56k to 100k input resistor.
You want to convert that amp we're pm-ing about? Unsuitable.
Class A amplifiers is a league on its own.
I'm a big fan of Hiraga: two versions: high power class A almost 30W, low power 8W (I own such one).
A 200Wrms AB amp can do some 10W class A max, with the risk of a nuclear meltdown.
And it has really nothing to do with 56k to 100k input resistor.
You want to convert that amp we're pm-ing about? Unsuitable.
Class A amplifiers is a league on its own.
I'm a big fan of Hiraga: two versions: high power class A almost 30W, low power 8W (I own such one).
A 200Wrms AB amp can do some 10W class A max, with the risk of a nuclear meltdown.
Description of Ali:
"Krell classic ksa-50 class A power amplifier and KSL preamplifier class A 50w * 2 class A and B 300w * 2"
A 50W class A power amplifier capable driving up to 300W in class B (aka 'A/B') is something completely different from a 200W class A/B power amplifier capable of driving (200/300 * 50 =) up to 33W in class A.
Ali is uber-opportunistic as usual.
Compare the design and build of the original Krell KSA50 with your 'spanish master' design we're discussing in pm.
(https://www.diyaudio.com/community/threads/can-transistor-amplifier-experts-help.396227/)
You can finetune your Volkswagen Beetle capable driving up to a speed of 250 kph, but it is not the same look and feel as a Ferrari (to name one).
"Krell classic ksa-50 class A power amplifier and KSL preamplifier class A 50w * 2 class A and B 300w * 2"
A 50W class A power amplifier capable driving up to 300W in class B (aka 'A/B') is something completely different from a 200W class A/B power amplifier capable of driving (200/300 * 50 =) up to 33W in class A.
Ali is uber-opportunistic as usual.
Compare the design and build of the original Krell KSA50 with your 'spanish master' design we're discussing in pm.
(https://www.diyaudio.com/community/threads/can-transistor-amplifier-experts-help.396227/)
You can finetune your Volkswagen Beetle capable driving up to a speed of 250 kph, but it is not the same look and feel as a Ferrari (to name one).
The only thing you need to do is to increase bias ( you need to have schematics and understand the circuit) while watching the dc output and heatsink temperature. Forced air with fans is a must. Up to 10 watts classA may be possible, but if you fail to cool it, bye bye speakers and amplifier.
Do post pictures of burned coil and outputs.
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