Need advice: Cambridge Amp ---> Cerwin Vega D7

I need an audio pro's opinion on whether this amp will suffice for these loudspeakers. Basically, does the Cambridge have the power to get the full potential out of the D7's? I wish I knew how to interpret these specs, but I have to plead ignorance.


Cerwin Vega D7

Freq Response---------25Hz-25KHz
Power Handling---------5/200 Watts
Sensitivity-------------98dB
Impedance-------------8ohm
Max Output at full Power-120dB
Crossover Freq---------500Hz/3500Hz





Cambridge Audio Integrated Amplifier

Power Output: 60 Watts into 8 Ohms
90 Watts into 4 Ohms


Input Impedance: 47k Ohms

Loudspeaker Impedance: 4 to 8 Ohms

Line: 330mV

Phono (using optional phono stage): 1.75mV

Total Harmonic Distortion (into 8 Ohms 80% rated power): 0.002% THD (No weighting) @ 1kHz
0.0015% THD (A weighted) @ 1kHz
0.025% THD 20Hz-20kHz @ 10W

Frequency Response: 5Hz to 50KHz +/- 1dB

Bass: +/- 10dB @ 100Hz
Treble: +/- 10dB @ 10kHz

Signal to Noise Ratio (No weighting): >85dB

Slew rate (into 8 ohms): >30V/uS

Max. Power Consumption: 515 watts

 

Those are efficient speakers, that amp should be OK with them.

 

Huh.

Those speakers look like this?

60 watts is fine for these small speakers with 7 inch woofers.

I don't trust those efficiency and bandwidth ratings.

I listen tested these speakers before I sold them, and they are of more "typical" efficiency.

My offhand guess is around 93 db or something like it.

And the roll-off start in the low-end is more like 45 Hz, and at 25 Hz I would guess be down around 8 to 10 db or more....

Let's not get carried away..

They are nice little speakers, but don't always accept published specs at face value.

They are a bit optimistic in this case, I think.

These are perfectly "normal" performing speakers for their size and price range.

 

Looks like those are L7's. The D7 is from circa 87-88. I bought mine new in late '88. I swiped a pic from a craigslisting:

 

Thanks for your help, Barry. I used to run these with a 80s model Kenwood receiver and was satisfied with the sound, but that thing fritzed out on me years ago. I am trying to piece together a decent system and eventually replace the CV's, but they are going to have to suffice for now.

 

The Cambridge amp will work fine at typical volumes. It'll give them a bit smoother sound, so it's a definite improvement there too. Only if you like to really crank it up to dangerous levels (for your hearing) will that CA amp be a bit low powered as they have a protection circuit that does not allow them to get too hot. I really doubt that you could reach that point with these speakers though as they should get really loud, really quickly.
-Bill

 

Hell, if the sensitivity of the CVs is really 98db, they should play loud powered by a 2 watt SET. The Cambridge should be way more than enough to run them.

 

OK, that makes more sense.

Oh.... OK.