Technics SU-R1000-S Integrated Amplifier- Pre-Loved W/ Full Warranty

Price listed is MSRP. Please call to order and discuss pricing.

This is the first Technics SU-R1000-S that we are listing as Pre-Loved. It will come with its manual, box, power cord and accessories just as new.

Since this amplifier was not sold to the public it will come with its full manufacture warranty. Call for pricing. 

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General:
The Technics SU-R1000 is a high tech high power integrated amp. With its sophisticated phono stage and large meters, we think this is a compelling option for alot of people.

Key highlights of the SU-R1000 is its balanced XLR inputs and its incredible internal DAC. We use an SU-R1000 in our demo system and were always impressed by its high power and musicality.

It will come as a whole kit with everything it came with when new, Including its manufacture warranty.

This particular unit was used in the below video on our YouTube channel. Watch this to learn more on this incredible amplifier. 

From Technics:
Equipped with the next evolution of our full digital amplifier technology, the SU-R1000 produces an ideal sound that conveys all the richness and life of the original without any loss of fidelity.
The SU-R1000 breaks through to a new world of sound, with superior sound quality and functionality, bringing together the latest Technics technology.
- JENO Engine (Jitter Elimination and Noise-shaping Optimization) to reproduce the nuances of music
- ADCT (Active Distortion Cancelling Technology) for expansive sound ambience
- Advanced Speed Silent Power Supply that results in the best performance from the digital amplifier
- Four Independent Power Supply Units for a high S/N ratio and superb separation
- High-grade Digital/Analog I/O Circuit for outstanding sound quality from any input source
 
JENO ENGINE

Jitter is a major cause of distortion in digital systems, and is caused by mis-timing in the master clocks used in digital-to-analogue conversion. To eliminate the degradation of sound caused by jitter, Technics has developed an original jitter reduction circuit, comprising a clock generator in the noise-shaping system to reduce jitter in the low-frequency range and a high-precision sample rate converter for suppressing jitter in the high-frequency range.
Thus it reduces jitter in an ideal way over the entire frequency range. This works with original high-precision PWM (Pulse Width Modulation) conversion circuit, optimizing the noise-shaping speed, the degree and re-quantization number, and the PWM gradation, in order to convert high-resolution signals to PWM without causing any damage to the dynamic range. These technologies enable Technics digital amplifier designs to reproduce the natural and delicate nuances of music.

(ACTIVE DISTORTION CANCELLING TECHNOLOGY)ADCT
The Active Distortion Cancelling Technology newly developed by Technics accurately extracts and removes distortion in the power output stage which is generated by the speaker’s counter electromotive force and voltage drops. In the Hi-Fi audio market where an unlimited number of audio systems can be configured by combining various products, high-end audio amplifiers need to optimally drive a diversity of speakers.

The Active Distortion Cancelling Technology accurately extracts distortion by determining the difference between the speaker terminal output and JENO output and then applies correction to the output digital signal, thus correcting the conventional digital amp system. This provides powerful speaker driving force and acoustic energy while offering the superior benefits of a digital amplifier, such as low noise, precise sound image and expansive sound ambience, regardless of the types of connected speakers.

ADVANCED SPEED SILENT POWER SUPPLY

The SU-R1000 uses a switching power supply system to ensure a stable supply of voltage and current required by the digital amp. In a conventional switching power supply system, the ON time of the switching operation was controlled in order to stabilize the voltage, and this causes the switching frequency to fluctuate according to the load, resulting in a modulation noise to affect the sound quality.

The Advanced Speed Silent Power Supply has eliminated this noise by fixing the switching frequency in the 400kHz band. Furthermore, a Super Low Noise Regulator is provided in the later stage. This prevents the decrease of regulation resulting from the fixed switching frequency and impedes the mixing of noise component into high frequencies. The result is a high-response power supply that results in the best performance from the digital amplifier.

FOUR INDEPENDENT POWER SUPPLY UNITS

In the SU-R1000, every element comprising the power supply has been diligently studied and revised for higher sound quality. What’s more, four independent power supply units are provided for different circuit blocks for further enhancement of sound quality.

Since the SU-R1000 is an integrated amplifier, the internal circuits consist of a pre-amp stage and power amp stage in a mix of analogue and digital circuits. The Phono-EQ section which processes minute analogue signals is particularly susceptible to the effect of noise transmitted through the power supply line. The SU-R1000 uses separate power supply units for the analogue circuits and digital circuits in the pre-amp stage. It also uses separate power supply units for the right and left channels in the power amp stage that requires large electrical power.
With the four independent power supply units, the SU-R1000 prevents power-line-induced interference among the circuit blocks and realizes a high S/N ratio and superb separation.

HIGH-GRADE DIGITAL/ANALOG I/O CIRCUIT

The phono input section and analogue input section feature a full-discrete circuit design. Technics has realized an ideal, symmetrical circuit layout and performed meticulous tuning. The new circuits prevent interference between the right and left channels and achieve excellent channel separation.

Furthermore, the phono input section and XLR input section employ completely balanced transmission to ensure high-purity signal transmission with minimum effect of noise. The USB input circuit in the digital input section is equipped with a capacitor of high-quality ruby mica and a power conditioner with nonmagnetic carbon film resistors for blocking electrical noise e.g. from a PC and for minimizing the effect of external noise.
The A/D converter incorporates a high-performance chip made by Asahi Kasei Microdevices (AKM) for high-precision A/D conversion. Thus, the SU-R1000 reproduces outstanding sound quality from any analogue or digital input sources.

HIGH RIGIDITY CHASSIS AND DESIGN

The rigidity of the chassis has been enhanced extensively to suppress the enclosure vibration that is also a source of noise. The inner chassis features a double-deck separated structure. Mounted on the upper deck is the power amp section consisting of the amplification circuit and its power supply circuit. Installed on the lower deck is the pre-amp section which is comprised of the analogue input section, including the phono equalizer, and the digital input section as well as the power supply circuits for those circuits.

Not only the upper and lower decks but also individual circuit blocks are separated from one another by steel shield plates. These steel shield plates also serve as reinforcing plates for strengthening the rigidity of the entire chassis. On the outside, the front panel is 10-mm thick, while the side panels and top panel are made of 6-mm-thick alumite-treated aluminum plates. They have also improved the rigidity and vibration resistance.
The insulators that support the chassis are made of cast iron with excellent signal attenuation characteristics. All in all, the above parts and materials enhance the quality of internal signals and eliminate the effects of external vibrations at highest levels.

Input and output terminals made of meticulously selected high-quality parts
- Speaker terminals designed to allow connection of extra-large diameter speaker cables
- Y-lug terminals for ensuring reliable cable connection
- Neutrik-manufactured analogue balance input terminals and PHONO XLR input terminals (exclusively for MC)
- Analogue input terminals with gold-plated, machined brass parts

Technics’ refined design
- Attractive front panel embellished with high-quality hairline surface finish and equipped with an iconic, large dual-needle meter
- Volume dial and selector knob made of parts machined from solid aluminum blocks and spin-finished
INTELLIGENT PHONO EQ

The Intelligent Phono EQ mounted in the SU-R1000 utilizes the sound quality improvement technology for DSP, which Technics has accumulated through the development of LAPC, in order to realize high sound quality not possible with analogue Phono-EQ. This technology consists of three parts: 1. Accurate EQ Curve, 2. Crosstalk Canceller and 3. Response Optimizer. These functions can be turned ON/OFF to suit the user’s preference.

ACCURATE EQ CURVE – MADE POSSIBLE BYHYBRID ANALOGUE/DIGITAL CIRCUIT DESIGN

An accurate EQ curve is achieved by a hybrid analogue-digital system. The high-gain low-pass filter (LPF) performs analogue processing, while high frequencies are raised after the A/D conversion. The use of the 40-dB LPF(Low-pass filter) in the analogue region suppresses the bit loss during digital filter processing, and high frequencies are raised with high accuracy in the digital region to achieve a high S/N ratio.

CROSSTALK CANCELLER - FORMEASUREMENT AND IMPROVEMENT OFCROSSTALK CHARACTERISTIC UNIQUE TOEACH CARTRIDGE

This function measures the crosstalk characteristic of the installed cartridge by using the crosstalk measuring signal recorded on the Calibration Record bundled with the SU-R1000. It then performs reverse-correction using the built-in DSP to achieve significant improvement of the crosstalk characteristic. This results in a more precise sound image and a wider sound ambience.
PHONO RESPONSE OPTIMIZER - FOR CORRECTION OF DISTURBANCE IN CARTRIDGE FREQUENCY CHARACTERISTICS

This function measures the frequency characteristics of the installed pickup cartridge by using a TSP (Time Stretched Pulse) signal recorded on the bundled Calibration Record, and corrects characteristics disturbance. It corrects the effect of impedance matching between the pickup cartridge and the phono equalizer to reveal the true sound quality of the cartridge. This technology aims to improve sound quality by avoiding a selector such as a switch in the high-sensitivity phono input line for the removal of the possibility of noise disturbance.
\*Although the record may be warped depending on the production method or its characteristics, this record passed the test for proper signal reading and is shipped.\*The record may be warped depending on the storage environment in your house. Please note a badly warped record may not only disturb the measurement but also hurt the cartridge.

SkyFi Cosmetic Notes:
Like new condition no notable signs of wear.

Brand Background:
At Technics we understand that the listening experience is not purely about technology but the magical and emotional relationship between people and music. We want people to experience music as it was originally intended and enable them to feel the emotional impact that enthuses and delights them. With a combination of our love of music and the vast high-end audio experience of the Technics team, we stand committed to building a brand that provides the ultimate emotive musical experience by music lovers, for music lovers.

Ownership:
Single Owner

Connections:
Digital Input Terminal Optical digital x2 (OPT 1, OPT 2) , Coaxial digital x2(COAX 1, COAX 2), USB-B x2 (PC 1, PC 2)
Analogue Output Terminal PRE OUTx1, REC OUT x1
Headphone Output Yes, Stereo Φ6.3mm

General Sound:
Smooth, uncolored, undistorted natural and clean

Cosmetic Condition:
9/10 = Excellent. Perfect physical condition, gently used. See our detailed rating description here.

Working Condition:
Working perfectly and tested in our lab and listening room.

Included:
Complete Kit as it Left the Factory

Packing:
Original Manufacturers Packing

Reviews:
Click Here

Specs:
Technics Definitive Design High-rigidity Cabinet, Three-section Configuration
FTC Output Power 150W + 150W ( 1kHz, T.H.D. 0.5 %, 8Ω, 20kHz LPF ), 300W + 300W ( 1kHz, T.H.D. 0.5 %, 4Ω, 20kHz LPF)
Input Sensitivity / Input Impedance LINE 200 mV / 22 kΩ, PHONO (MM) 2.5 mV / 47 kΩ, PHONO(MC) 300uV /100Ω
Frequency Response LINE 5 Hz-80 kHz (-3 dB, 8 Ω), PHONO (MM) 20 Hz - 20 kHz (RIAA DEVIATION ±1 dB, 8 Ω), DIGITAL 5 Hz - 80 kHz (-3 dB, 8 Ω)
Load Impedance 4 Ω-16 Ω
Analogue Input Terminal LINE x 2 (LINE 1, LINE2), LINE XLR BALANCED x1, PHONO (MM/MC) x1, PHONO XLR BALANCED(MC) x1, MAIN IN x1, REC IN x1
Support Codec (PCM) Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit)
Support Codec (DSD) Yes (2.8 MHz, 5.6 MHz, 11.2 MHz, 22.4 MHz\* \*ASIO Native mode only)
Power Supply AC 120 V ,60 Hz
Power Consumption 220 W

Dimensions:
430 mm x 191 mm x 459 mm (16-15/16 x 7-17/32 x 18-3/32 inch)

Weight:
50 lbs.

Approximate Age:
2025

Link to Manual:
Click Here

Recommended Cables:
Kimber Kable - RCA Interconnects - Better

Kimber Kable - RCA Interconnects - Best

Kimber Kable - Phono Interconnects

Kimber Kable - BALANCED XLR Connectors - Better

Kimber Kable - BALANCED XLR Connectors - Best

Kimber Kable - Speaker Cables - Better

Kimber Summit Series Monocle XL Speaker Cables (PAIR) - Best

Kimber Summit Series BiFocal XL Bi-Wire Speaker Cables (PAIR) - Best If Applicable

Kimber Kable - Power Cords - Better

Kimber Kable - Power Cords - Best

Kimber Kable - Coaxial Digital Interconnect

Kimber Kable - Optical Digital Interconnect

Kimber Kable - Digital AES/EBU Interconnect

Kimber Kable - Select Series Reference USB Cable

Testing Process:
We start with a visual inspection of all internal components to make sure that there are no signs of heat stress or damage. Capacitors are checked for telltale signs of predictive failure including bulging, shrunken wrappers, or physical leakage. We also inspect the PCBs for discoloration from resistors or transistors that may have been running hot. On vintage units we often spot check select capacitors for value and ESR.

If the device has the ability to decouple the preamplifier from the power amplifier, we remove the jumpers and independently test each section. If the device cannot be decoupled, we assess the electronic condition of the piece by analyzing the speaker level output only.

We start by connecting the "Pre-Out" jacks of the integrated to a Sencore PA81 Power Analyzer which simulates real world loading conditions and gives us an oscilloscope interface. The first order of business is checking that the volume control works smoothly throughout its entire range with acceptable channel balance. This is accomplished by feeding a 1 KHz sine wave into one of the preamp’s line level inputs while monitoring the preamp’s output on an oscilloscope.

We then switch to a 1 KHz square wave to test the tone controls, loudness function, and filters where applicable. During this step we are watching for equal alteration of the test signal by both channels. This also helps us identify dirty controls that will need treatment.

Once the basic line stage functions are verified, we test each input individually. This is especially important for devices that use relays to select their sources.

If the preamp section is equipped with a phono stage we test that as well. We use an inverse RIAA filter which allows us to feed a reference test signal into the phono input with the proper RIAA equalization and level. A square wave or sine sweep is used to verify that the device’s phono stage is faithfully reproducing the RIAA curve.

Next we test the power amplifier section by connecting the integrated amplifier speaker outputs to a Sencore PA81 Power Analyzer which acts as a dummy load, DC offset monitor, and oscilloscope interface. We start with a low level 1 KHz test signal at the "Main In” jacks and slowly increase its amplitude while monitoring the output on an oscilloscope for signs of noise, clipping, distortion, or improper channel balance. We continue increasing the signal level until the amplifier reaches clipping.

At this point we take an output power measurement and compare it to the spec sheet of the amplifier to verify proper performance. We finish off the bench evaluation with a 1 KHz square wave check and a 20 Hz to 20 KHz sine sweep to assess the amplifier’s frequency response characteristics.

This battery of tests will usually reveal if the amplifier has any issues that need further attention.

If the preamp and power amp both pass these tests, we reconnect the sections and verify that the preamp section can drive the power amp to rated power with a 1KHz tone on one of the line level inputs.

Before the device leaves the bench, we perform a listening test with actual music using a variety of preferred test tracks. Our benches are outfitted with familiar monitor speakers which help us identify inconsistencies that will not always show up on our test gear. The main things that we are listening for are hum or noise with no signal present, proper center image, clicks, pops, or any other obvious undesirable audio characteristics.

If the unit passes all of these tests it moves to our long term testing rig where we simulate real word operating conditions for 6-8 hours minimum. This allows us to monitor the unit for signs of thermal runaway or intermittent issues that only crop up when the unit has fully come up to temperature.