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Carver ZR1600 Pro Digital Power Amp

The Carver Pro ZR1600 is a class T (Tripath) digital amp, and according to Carver themselves, the amp "has impressed audiences and system integrators for years and has introduced state of the art technology (in the new ZR Series amplifiers) utilizing Tripath™ Digital Power Processing™"

The name Carver is generally associated with legendary designer Bob Carver, indeed the name is his but the rights to manufacture this product and other pro-audio products have been sold to a non-associated company based out of Portland Oregon and operating as 'Carver Professional'. The long and short of it is, regardless of what you think of Bob Carver and his products, this amp bears his name and nothing else.

Spending time at the Carver Pro website (www.carverpro.com) you’ll see that the marketing focus is on power and flexibility of use, with a smidgen of robustness thrown in for good measure. Given that the ZR is designed primarily for pro-audio use, you may not expect it to be a 'good sounding' amp, of course, you may be wrong!

I'm currently using the amp to drive a pair of Magnepan MG3.6R speakers, and it drives them with aplomb! - Many amps have come and gone in my system this past couple years, few have offered the power necessary to open up the Maggie's.

The Carver isn't the last word in performance, it is after all a $1200 amp. However, those wishing to extract more from the amp might consider a modification, perhaps from RAM or perhaps from Steve at Empirical Audio (www.empiricalaudio.com) In fact I had a second ZR1600 modified by Steve some time ago, and Steve claimed that the modified Carver sounded better in many respects than his modified Parasound JC1 Monoblocks. Anyway, that's an option for you.

The amp retails for a touch less than $1200 and is yours for a firm $550 with shipping ($30) and any PayPal fees (3.5%) on top.

Condition is very good, the front is clean, there are small, hardly noticeable marks on the top plate. The amp is intended to be rack-mounted, so it doesn't have feet. I used small brass cones (not supplied) so there may be small marks under the neath.

 

 

I should mention, for those unfamiliar with the Carver, the binding posts accept banana's only. You can change the posts easily, but I haven't done this. Also, it's geared for balanced inputs. There are SE inputs but they're on a terminal strip. If you wanted to use it single-ended, you'd need to fit a set of RCA's.

Rooze

Actual images:

Carver ZR1600 Digital Amp Spec's

Power Rating

Stock image

20Hz to 20kHz <0.5% THD+N
1200 watts mono (8ohm)RMS
600 watts x 2 (4ohm)RMS
350 watts x 2 (8ohm)RMS
1kHz <1% THD+N
1270 watts mono (8ohm)RMS
660 watts x 2 (4ohm)RMS
400 watts x 2 (8ohm)RMS
EFFECIENCY COMPARISON (at 1kHz sine wave 117VAC)
• 8 ohm stereo, 1/3 power (200 watts total)
71% Efficient
• 4 ohm stereo, 1/3 power (400 watts total)
70% Efficient
• 8 ohm stereo, full power (600 watts total)
81% Efficient
• 4 ohm stereo, full power (1200 watts total)
78% Efficient

 

 
PERFORMANCE
referenced to 4 ohm rated power (117 VAC line voltage)

THD + N: <0.06% at -10dB referenced to rated power (4 ohm), 1kHz
< 0.2% at 1/8 rated power (4 ohm), 20-20kHz, 20kHz BW
< 0.5% at rated power (4 ohm), 20-20kHz, 20kHz BW
<0.15% at rated power (4 ohm), 1kHz

IMD (DIM30 Method): <0.05% at rated power (4 ohm)

IMD (SMPTE/DIN Method): <0.2%, 60Hz/7kHz, 4:1, 35Vpeak at 4 ohm

Dynamic Headroom: 1.5dB above rated power

Power Bandwidth: 20 Hz to 20 kHz at 4 ohm and 8 ohm loads

Frequency Response: 20 Hz to 20 kHz +0dB/ -1dB

Signal to Noise: 100dB A-Weighted referenced to rated power @ 4 ohm, (20kHz BW)

Crosstalk: -70dB, 1kHz referenced to rated power @ 4 ohm

CMRR: >75dB at 1kHz

Sensitivity for rated power:
(Variable settings via jumper)
0.316Vrms (-10dBV)
0.775Vrms; factory preset (0dBu)
1.23Vrms (+4dBu)
2.45Vrms (+10dBu)

Input Impedance: 50kWbalanced

Input Overload: 20dBu

Protection: Thermal, Short Circuit, Over-Current & Over-Voltage, Self Resetting

Stability: Unconditionally stable into reactive loads

Duty Cycle:

Continuous operation at 1/3 rated power, 40ºC/104ºF

MTBF: 43,824 Hours

 


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