Rotel RA-1572 MKII vs Rotel Diamond Series RA-6000 Detailed Comparison

Rotel RA-1572 MKII vs Rotel Diamond Series RA-6000

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Rotel RA-1572 MKII

Integrated Amplifier | 120 watts RMS into 8-ohms

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Rotel Diamond RA-6000

Integrated Amplifier | 200 watts RMS into 8-ohms

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Rotel RA-1572 MKII

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Rotel Diamond RA-600...

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Rotel RA-1572 MKII

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Rotel Diamond RA-600...

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Rotel RA-1572 MKII vs Rotel Diamond RA-6000 Integrated Amplifier Comparison

In this review, we will be comparing RA-1572 MKII and Diamond Series RA-6000, two Integrated Amplifiers by Rotel. Let's have a brief look at the main features of Rotel RA-1572 MKII and Rotel Diamond RA-6000 first before getting into our more detailed comparison.

Key Specs	Rotel RA-1572 MKII	Rotel Diamond RA-6000
Power	120 watts x 2 channels into 8 ohms and 200 watts x 2 channels into 4 ohms	200 watts x 2 channels into 8 ohms and 350 watts x 2 channels into 4 ohms
Amplifier class	Class A/B	Class A/B
Built-in DAC	Yes	Yes
Phono input	Yes	Yes
Headphone output	3.5mm	3.5mm
Bluetooth	Yes	Yes
Weight	13.66kg / 30.1lbs	18.85kg / 41.5lbs
Dimensions (H x W x D)	5-11/16" x 17-1/16" x 15-3/16" 145.0mm x 434.0mm x 386.0mm	5-11/16" x 17-1/16" x 17-15/16" 145.0mm x 434.0mm x 456.0mm

What size room are the Rotel RA-1572 MKII and Rotel Diamond RA-6000 Amplifiers good for?

The size of the room in which you are planning to use these amplifiers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their max power parameters:

Listening Environment	Rotel RA-1572 MKII	Rotel Diamond RA-6000
Near-field	Poor	Are you nuts?
Small Room	Poor	Bad
Mid-size Room	Good	Poor
Large Room	Good	Good
Very Large Room	Average	Good

RA-1572 MKII and Diamond Series RA-6000 are members of Rotel's RA series of speakers. Below you can find the loudspeakers from this series.

Rotel RA Series History

Model	Watts RMS (8-ohms)	Minimum Impedance	Built-in DAC
Rotel Diamond RA-6000	200 watts	4-ohms	Yes
Rotel RA-1572 MKII	120 watts	4-ohms	Yes
Rotel RA-1592 MKII	200 watts	4-ohms	Yes

The sections below take each area in turn: power output, inputs and outputs, features and physical size.

**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose Rotel RA-1572 MKII over Rotel Diamond Series RA-6000

MSRP Price(*)	2,100USD vs 4,500USD	costs less (*prices may change depending on the seller, location and time)
Base Surface Area	1675.2cm²/ 259.7inch² vs 1979.0cm²/ 306.7inch²	takes less space in your room

Reasons to choose Rotel Diamond Series RA-6000 over Rotel RA-1572 MKII

Watts into 8-ohms	200 watts vs 120 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	350 watts vs 200 watts	Delivers higher power into 4-ohms speakers
Total Harmonic Distortion (THD)	0.0075% vs 0.018%	Less Harmonic Distortion
Signal to Noise Ratio	103 dB vs 100 dB	Higher ratings results in cleaner sound
Optical Digital Inputs	3 vs 2	More options for connecting Digital sources
Coaxial Digital Inputs	3 vs 2	More options for connecting Digital sources

Inputs and Outputs

The input and output selections that are offered is an important factor when comparing two amplifiers. Here you can find how the I/O selections of the Rotel RA-1572 MKII and Rotel Diamond RA-6000 differs from each other.

Rotel RA-1572 MKII Inputs

Total Number of Analog Inputs: 4
Phono Input
2 Optical Digital Input
2 Coaxial Digital Input
USB Input:
- USB-A front(Connects to iOS devices)
- USB-A rear (Charging only)
- USB-B (allows connection to your Windows PC or Mac computer)
Ethernet Port

Rotel Diamond RA-6000 Inputs

Total Number of Analog Inputs: 4
Phono Input
3 Optical Digital Input
3 Coaxial Digital Input
USB Input:
- USB-A front(Connects to iOS devices)
- USB-B (allows connection to your Windows PC or Mac computer)
Ethernet Port
XLR Input Port

Rotel RA-1572 MKII Back View (Click the image for the larger version)

Outputs

Stereo RCA, Sub Preamp Outputs
3.5mm Headphone Output
Subwoofer Output

Outputs

Stereo RCA, Sub Preamp Outputs
3.5mm Headphone Output
Subwoofer Output

Rotel Diamond RA-6000 Back View (Click the image for the larger version)

What's in the Box of Rotel RA-1572 MKII?

Here are the items that are included inside the box of RA-1572 MKII:

Stereo integrated amplifier
58-inch AC power cord
Remote control (RR-AX93)
2 AA batteries
5-feet USB-B to USB-A cable
57-inch Ethernet cable
Quick Installation Guide
Warranty/Registration Card
Important Safety Instructions
Addendum For Roon Test

What's in the Box of Rotel Diamond RA-6000?

Here are the items that come with the Diamond Series RA-6000:

Stereo integrated amplifier
58-inch AC power cord
Remote control (RR-AX200)
2 AA batteries
59-inch USB-B to USB-A cable
57-inch Ethernet cable
USB thumbdrive (with Windows PC driver)
Quick Installation Guide
Warranty/Registration Card
Important Safety Instructions
Addendum For Roon Test