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A few useful specifications:

Shipping weight is 31 kg.

Dimensions are 164 mm high, 431 mm wide, and 470 mm deep.

Idle power consumption is 100 Watts.

The slow blow mains fuse limits power consumption at 1,150 Watts long-term.

Output power in 8 Ohms resistive load is 200 Watts or 23dbW.

Speaker loads below 1.5 Ohms are not allowed by the protection circuit 

Noise is at least 100 dB below 200 Watts in 8 Ohms. This depends on the gain selected, and it is below 

the noise from a CD.

Strong external electromagnetic fields can increase the noise level. Use only shielded signal cables.

The balanced XLR input has a 40 kOhm input impedance. The 3-pin XLR socket has Pin 2 as plus, 

Pin 3 as minus, and Pin 1 as ground. The RCA unbalanced input has a 20 kOhm input impedance.

Sensitivity can be selected internally by your dealer to be 0.775V, 1.55V, 3.1V or 3.9V for full power.

The output for a loudspeaker is single or biwiring, using 4 mm banana plugs, spade lugs or stripped 

wire.

Interesting trivial facts

It may interest you to know that the output voltage is 55 times the input voltage at maximum gain. 

However the input signal current in the 20kOhm RCA input is only 38.8uA at full power, and the output 

current is 10.7 Ampere at full power in 4 Ohm, as current gain is 275,000. 

Power is voltage multiplied by current, so output power is 15,100,000 times larger than the power 

of the input signal. 

Yes, a power amplifier is a suitable name for what it does.

And note that this input signal power is still more than 10,000,000,000 times more powerful than the 

residual noise power at the input.

So in 4 Ohm, full output power is more than 151,000,000,000,000,000 times larger than the input 

noise power. 

So do take care to place your signal cables apart from your loudspeaker cables. 

They should not lie close together, and if they need to cross, they should cross at a 90 degree angle.

Do not use un-screened interconnect cables.

The current in the mains power cable is a very distorted version of the signal, and it contains very 

high frequencies.

A special power cable can reduce radiation of interference, and it can improve your sound quality.

Summary of Contents for D200i

Page 1: ...D200i Dual Mono Power Amplifier Userguide...

Page 2: ...n 4 Cleaning the cabinet 5 The protection circuitry 5 A second of silence 5 Connecting your loudspeakers 5 Loudspeaker impedance 6 A lifetime of enjoyment 6 Normal use 6 What you can check if there is...

Page 3: ...he set DO NOT switch the amplifier on then off then on again quickly The blue light must disappear completely before you switch on again Only switch on and off using the power switch DO NOT unplug the...

Page 4: ...Pin 1 the ground first and disconnect it last This way XLR connectors can be plugged and unplugged while the amplifier is switched on However some DC from the preamplifier may still cause loud clicks...

Page 5: ...of long term overload The protection detects DC errors high level subsonic signals longterm ultrasonic signals high temperature and to low impedance loads or short circuits If needed the protection wi...

Page 6: ...lease do not connect them together The red terminals go positive when there is a positive signal on the Pin 2 on the input XLR In other words GamuT amplifiers are noninverting Some other brands of amp...

Page 7: ...onnected the loudspeakers using the output relay One second later still there will be two clicks in the loudspeakers These clicks are your confirmation that the protection system have found everything...

Page 8: ...gain Now listen closely to the loudspeaker A small click should come from the loudspeaker just after the click from inside the amplifier If not check the loudspeaker cables If you hear clicks in the l...

Page 9: ...re Interesting trivial facts It may interest you to know that the output voltage is 55 times the input voltage at maximum gain However the input signal current in the 20kOhm RCA input is only 38 8uA a...

Page 10: ...oncert hall and the big drum will surprise your friends or your speakers Almost visual three dimensional sound The rite of spring well Stravinsky wrote this based on the sacrifice of young girls to pl...

Page 11: ...ut who cares when the drama unfolds like this It is like seeing with your ears The new remastering EMI 7543 5 566281 2 1 fortunately retains most of the magic Telarc CD 80098 Erich Kunzel and Cincinna...

Page 12: ...l sensations only music is capable of It is Gamut s mission to give to you these unique musical feelings As with every GamuT product our amplifiers are designed with the capability of giving you the b...

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