The Diamond Series RA-6000 is an integrated amplifier with built-in DAC by Rotel that delivers 200 watts x 2 channels into 8 ohms and 350 watts x 2 channels into 4 ohms. It was released in July 2022. It is a 2-channel design using a Class A/B output stage. A minimum impedance of 4 ohms makes it compatible with a wide range of loudspeakers. It has a built-in DAC (Texas Instruments (TI) 32-bit/384kHz), so you can play digital sources directly with no separate DAC unit needed. It also has a phono input, so a turntable can connect straight to it. The Rotel Diamond RA-6000 has an MSRP of $4,500.
Rotel Diamond RA-6000 Amplifier Internal View
There are 10 Rotel amplifiers in our database. Below you can see the main specs of these amps.
Rotel Integrated Amplifier Series
Performance Specs
One of the most important factors when deciding on an integrated amplifier is its power ratings and compatibility with your speaker's impedance requirements. The Rotel Diamond RA-6000 is rated at 200 watts RMS into 8-ohms. Rotel provides this wattage at a THD (Total Harmonic Distortion) of 0.0075% which is an important indicator of distortion at the given values (lower THD is better).
Here are the main highlights of its performance specs:
- 200 watts into 8-ohms (10 Hz-100 kHz) at 0.0075%
- 350 watts into 4-ohms
- 4-ohms Min Impedance (allows compatibility with a wide range of loudspeakers)
- 103dB Signal to Noise Ratio
How loud will 200 watts actually play in your room? →
Wiring more than one pair of speakers to it? Check the load first →
Which speakers suit the Rotel Diamond RA-6000?
200 W into 8 ohms, 350 W into 4, rated down to 4 ohms.
We rank every passive speaker we cover against it on power, impedance safety and current
delivery.
Need more power?
Rotel Diamond RA-6000 is rated at 200 watts into 8 ohms, which puts it in our Over 180 watts band. That is the top band we cover, so there is no step up from here - if it is not enough, the answer is more sensitive speakers or a smaller room, not more watts.
When pairing the Rotel Diamond RA-6000 with a passive Bookshelf (Stand mount) or Passive Floor Standing (Tower) speaker, you have to check if their Max Power Range is below the max wattage of the amp for the given impedance levels.
Operating your amp outside of this max range may damage the speakers.
What size of room is the Rotel Diamond RA-6000 Amplifier good for?
An essential deciding factor is the size of the room in which you intend to employ the Rotel Diamond RA-6000 amplifier. Here, taking into account its maximum power parameters, we analyzed its applicability to various size environments:
| Listening Environment |
Suitability |
| Near-field | Are you nuts? |
| Small Room | Bad |
| Mid-size Room | Poor |
| Large Room | Good |
| Very Large Room | Good |
Inputs and Outputs
Besides the performance specs of the Rotel Diamond RA-6000, the next important feature set that you have to evaluate is the input and output selections that it offers.
Rotel Diamond RA-6000 has total of 4 Analog inputs including 1 Phono Input (MM).
Rotel Diamond RA-6000 Back View (Click the image for the larger version)
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)
Outputs
- Speaker Outputs (A/B switchable)
- Stereo RCA, Sub Preamp Outputs
- 3.5mm Headphone Output
- Subwoofer Output (2)
Bluetooth Connectivity
Rotel Diamond RA-6000 features built-in Bluetooth for wireless music streaming from your Bluetooth-enabled devices such as Apple iPod/iPhone/iPad, Android smartphone/tablet, Windows PC, Mac computers/laptops.
Among the amps in the same price range, these are the 5 amps that have Bluetooth Connectivity:
Rotel Diamond RA-6000 supports the following Bluetooth Codecs when used with supported devices:
Phono Input
Rotel Diamond RA-6000 features one Phono Input which is compatible with
MM (Moving Magnet) type of phono cartridges, you can connect your turntable with MM cartridges directly to this amp without the need for a phono preamp. If you are using an MC cartridge on your turntable, you need to use a phono preamp that has MC phono stage such as the
Cambridge Duo or the
iFi ZEN Phono.
Subwoofer Output
Rotel Diamond RA-6000 has a dedicated subwoofer output which can be used to connect it directly to a powered subwoofer via an LFE(Low Frequency Effects) cable.
Check our
Powered Subwoofers page to find a subwoofer that will work with Rotel Diamond RA-6000 amp and your speakers.
Balanced connections
Rotel Diamond RA-6000 has a balanced XLR input. A balanced cable carries the signal twice, on two conductors of opposite polarity. Interference picked up along the way lands on both equally and cancels when the two are recombined at the far end, so the longer the cable run and the noisier the surroundings, the more the connection is worth. Whether a balanced connection also yields more power depends on how the amplifier is built inside - some are balanced end to end, others convert to single-ended internally and deliver the same power either way, so it is worth reading the maker's own wording rather than assuming.
DAC and Digital Music
The Rotel Diamond RA-6000's built-in DAC allows the connection of digital sources directly, eliminating the need for an external DAC. The DAC chip that is used in the Diamond Series RA-6000 is the
Texas Instruments (TI) 32-bit/384kHz, and supports resolutions up to
32-bit, 384KHZ.
Rotel Diamond RA-6000 Pros and Cons
Drawn from the published figures on this page, not from listening.
- ✓Power nearly doubles into a harder load, 200 watts into 8 ohms rising to 350 into 4, which points to a power supply with real current in reserve.
- ✓200 watts per channel into 8 ohms is more than most rooms and most speakers will ever ask for.
- ✓Signal-to-noise ratio of 103dB, so the amplifier itself should be inaudible between tracks.
- ✓Distortion is specified at 0.0075%, an order of magnitude below what is generally held to be audible.
- ✓4 analogue inputs, enough for a full rack of sources.
- ✓Built-in DAC handling 32-bit / 384 and MQA, so a TV, computer or streamer can connect digitally with nothing in between.
- ✓Digital inputs cover 3 optical, 3 coaxial and USB.
- ✓Phono stage built in (MM), so a turntable needs no separate preamplifier.
- ✓Streams over the network without a separate streamer: Roon.
- ✓Bluetooth (AptX,AAC,SBC) for playing straight from a phone.
- ✓Pre-outs (Stereo RCA, Sub) leave room to add a power amplifier or an active subwoofer later.
- ✓A and B speaker terminals, for a second pair or for bi-wiring.
- ✓Balanced XLR inputs, worth having on a long cable run.
- ✓Headphone output (3.5mm).
- ✓Has tone controls and a direct mode that bypasses them.
- ✓5-year parts warranty, longer than most of the market.
- ✓Detachable mains lead (IEC 2-prong).
- ✗The phono stage is moving-magnet only; a moving-coil cartridge would need a step-up or an external stage.
Rotel Diamond RA-6000 External Dimensions and Weight
Rotel Diamond RA-6000 has external dimensions of (H x W x D) 5-11/16inch x 17-1/16inch x 17-15/16inch (145.0mm x 434.0mm x 456.0mm ). The unit weighs
18.85 kg (41.5 lbs).
Base Surface Area
Base surface area of an integrated amplifier may become an important decision factor when the space in your room or desk is limited.
The base area of the Rotel Diamond RA-6000 is approximately 1979.0cm2 / 306.7inch2.
- Width: 434.0mm (17-1/16")
- Height: 145.0mm (5-11/16")
- Depth: 456.0mm (17-15/16")
- Weight: 18.85 kg (41.5 lbs)
- Base Surface Area: ~1979.0cm2 / 306.7inch2
- Volume: ~28.7 liter / 7.6 gallon
Available colors
Rotel Diamond RA-6000 is available in Black and Silver color options.
What's in the Box of Rotel Diamond RA-6000?
Here are the items that are included inside the box of 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
Official Product Page
Official manufacturer's product page for the Rotel Diamond Series RA-6000 Integrated Amplifier can be found below:
Official Product Page for Rotel Diamond RA-6000
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided for the Rotel Diamond RA-6000 by the manufacturer.
| General |
| Brand |
Rotel |
| Full Model Name |
Rotel Diamond Series RA-6000 |
| Release Date |
July 2022 |
| Amplifier Type |
Integrated Amplifier |
| Number of Channels |
2 |
| Amp Class |
Class A/B |
| Amplifier Technology |
Solid State |
| Performance |
| Watts RMS per Channel into 8-ohms |
200 watts |
| Watts RMS per Channel into 6-ohms |
N/A |
| Watts RMS per Channel into 4-ohms |
350 watts |
| Frequency Bandwidth |
10 Hz-100 kHz |
| THD |
0.0075% |
| Minimum Impedance |
4 |
| Signal to Noise Ratio |
103 dB |
| Digital Music |
| Built-in DAC |
Yes |
| DAC Specs |
Texas Instruments (TI) 32-bit/384kHz |
| Bluetooth |
Yes |
| WiFi |
|
| Ecosystem |
| Apple AirPlay |
No |
| Apple AirPlay2 |
No |
| DTS Play-Fi |
No |
| Chromecast built-in |
No |
| Roon |
Tested |
| HEOS |
No |
| BluOS |
No |
| CONNECTIONS |
| Total Analog Inputs |
4 |
| Phono Input |
Yes |
| Optical Digital Inputs |
3 |
| Coaxial Digital Inputs |
3 |
| USB Input |
Yes |
| USB Type |
USB-A front(Connects to iOS devices), USB-B (allows connection to your Windows PC or Mac computer) |
| Preamp Outputs |
Stereo RCA, Sub |
| Pre-out / Main-in Loop |
No |
| Headphone Output |
3.5mm |
| Subwoofer Output |
Yes |
| Removable Power Cord |
IEC 2-prong |
| PHYSICAL SPECS |
| Height |
145.0mm (5-11/16") |
| Width |
434.0mm (17-1/16") |
| Depth |
456.0mm (17-15/16") |
| Weight |
18.85 kg (41.5 lbs) |
| Available Colors |
Black,Silver |
| OTHER |
| Tone Controls |
Yes |
| Parts Warranty |
5 Years |
| Labor Warranty |
5 Years |