Is my amp good enough?

Hello everyone. New here and looking for some opinions.

My system comprises of mostly NAD components. The pre amp is the C165BEE and the amp is the C275BEE. They are currently driving an older pair of Monitor Audio Silver 8's. I have always been rather happy with this set up.

I am now looking at upgrading the speakers to a brand new set of Monitor Audio Gold 300 5G speakers and I am wondering if my amp has what it takes to get the best out of the incoming speakers. I am not sure if I would get an honest answer from a salesperson as they might convince me I need a $6000 amp to drive the speakers.

I have included the specs on my amp and the speakers I am looking at. Thanks in advance for any advice.

Some details:




Continuous output power into 8 Ω and 4 Ω (both channels driven) >150 W (ref. rated THD, 20 Hz – 20 kHz)

Continuous output power into 8 Ω (Mono, Bridge mode) >330 W (ref. 20 Hz - 20 kHz, <0.02% THD)

Rated THD (250 mW to rated power, CCIF IMD, DIM 100) <0.008 % (ref. 20 Hz - 20 kHz)

Clipping power (4 Ω and 8 Ω) >170 W (ref. 1 kHz 1% THD)

IHF dynamic power - 8 Ω 250 W

4 Ω 410 W

2 Ω 600 W

IHF dynamic power (Bridge mode) - 8 Ω 800 W

4 Ω 1200 W

Peak output current >50 A (ref. 1 Ω, 1 ms)

Signal/Noise ratio >102 dB (A-weighted, ref. 1 W)

>123 dB (A-weighted, ref. 150 W)

Damping factor >180 (ref. 8 Ω, 50 Hz and 1 kHz)

Frequency response ± 0.1 dB (ref. 20 Hz - 20 kHz)

3 Hz - 100 kHz (ref. -3 dB)

Input impedance (Fixed IN) 10 kΩ + 200 pF

Input impedance (Variable IN) 100 kΩ + 100 pF

Input sensitivity 1.2 V (ref. rated power)

Voltage gain 29 dB

Minimum input level for AUTO TRIGGER 10 mV at 1 kHz

Time to power OFF at no signal in AUTO mode <10 minutes


Normal operation 312 W (ref. 230V AC 50 Hz; 120V AC 60 Hz)

Standby power <1 W

Idle power <100 W


Monitor Audio Gold 300 5G:

System Format 3-way
Frequency Response (-6 dB) 30 Hz – 50 kHz
Sensitivity (1W@1M) 90 dB
Nominal Impedance 4 Ohms
Minimum Impedance 3.5 Ohms @ 1 kHz
Maximum SPL 117 dBA (Pair)
Power Handling (RMS) 250 W
Recommended Amplifier Requirements 100 – 250 W

I have a better idea of what I will do going forward now. Thanks to everyone for the advice

Do not forget the importance of speaker placement and room treatment. All the money and components in the world cannot overcome a horrible set up.

Hello Neveratisfied.  I once bought a highly regarded speaker pair and, on first hearing, wondered what al the fuss was about. I was thinking I had been a fool to buy them. They just needed a bit of "break in." After a week or so the were really singing and I was delighted with them. If you are concerned, take your pre amp and power amp with you and your favorite recorded music. Perhaps you will have to schedule a time when the aren't too busy, but they will know you are a serious customer. You might even want to talke your cables with you. Their demo speakers will be "broken in" and a few minutes of listening will tell you what you want to know. It is a bit of bother, but worth it in the end. Enjoy the music!

You have a good plan. Speakers first, but I would definitely ask the dealer to hear them with electronics as close to what you have as is possible. 
good luck!

Yes. They have a NAD C368 Integrated amp on hand. That might be close to mine, a little below in fact. I’ll ask them to use that if at all possible. Hopefully they have a display unit. If not I am sure they will have something in the range of my components. I really don’t want to rip mine out as they are nicely installed as far as all the wiring goes.

This weekend I will go and have a proper listen to them and see where that leads me.

Once again, cheers to you all for the advice. It might be a few weeks but I’ll report back once I’m up and running.