| Content | For a long time, installers worldwide have been unhappy with consumer electronics and they were looking for a professional integrated amplifier for use in commercial environments, boardrooms or small businesses designed for 24/7 operation. Therefore Apart developed the CONCEPT1, a stereo or two mono channel (2 x 80 watts @ 4 ohms) amplifier for small and medium-sized projects.
This CONCEPT1 2-zone integrated stereo amplifier can operate with one stereo zone, two volume-linked mono zones or two individual-volume mono zones. The unit can be controlled via RS232 what makes integration into your AV solution possible. The built-in limiters and system design guarantee a failsafe solution 24 hours a day, 7 days a week.
To make the life of the end-user as easy as can be, the CONCEPT1 has user settings and installer settings. Only the absolute
| 19" (483 mm wide) rack mounting |
Yes |
height- rack units (1U=44 mm) |
2 U |
| depth (build in) |
293 mm |
power supply |
230 VAC volts |
| power consumption (max) |
< 200 watts |
output power RMS 4 ohms |
2 x 80 watts |
| output power RMS 8 ohms |
2 x 60 watts |
music program power |
100 watts |
| minimum impedance load |
4 ohms |
zone outputs |
2 |
| MIC inputs balanced |
1 |
line input unbalanced |
4 |
| tone control |
Yes |
RS232 (serial communication port) |
Yes |
| priority switch |
2 |
priority levels |
1 |
| cooling system |
convection |
applicable low impedance |
Yes |
|
The 851W has class XD amplification at 200W into 8 Ohms in stereo mode or 500W RMS per amp in mono bridged mode, separate toroidal transformers for the power amp and input/other circuitry, and terrapin impedance buffering modules. All in all it\'s the best sounding amplifier we have ever made.
Our proprietary Class XD amplification
Separate toroidal transformers for power amp and input/other circuitry
Our bespoke Terrapin impedance buffering modules – separating amplifier and signal impedance
200W into 8 Ohms stereo mode or 500W RMS per amp mono bridged mode
CAP5 protection from DC spikes, overheating and clipping
All metal chassis with premium components
Remote Control – Compatible with the entire 851 range
Power output – stereo/mono 200W per channel into 8 Ohms
350W per channel into 4 Ohms
Power output – bridged mono 500W 8 Ohms
800W 4 Ohms
THD (unweighted) < 0.001% 1 kHz
< 0.005% 20 Hz - 20 kHz
Frequency response 5Hz – 80kHz
S/N ratio (ref 1W / 8 Ohn) >90dB (unweighted)
Sensitivity – stereo or mono 1.5V rms unbalanced
1.5 + 1.5V rms balanced
Sensitivity – bridged mono 0.775V rms unbalanced
0.775V + 0.775V rms balanced
Input impedances Balanced input 38 kOhm
Unbalanced input 68 kOhm
Power amp damping factor > 110 at 1 kHz
Max. power consumption 2400W
Standby power consumption Standby |
Technical Specifications
Continuous power output, per channel, 8Ω
- Both channels driven, 8Ω,20Hz-20kHz, 0.2% THD - 200W
- Single, 4Ω, at 1kHz - 400W
Inputs
- Nominal sensitivity for 200W / 8Ω - 1.15V (RCA), 2.3V (XLR)
- Input impedance - 10kΩ
- Frequency response 20Hz-20kHz +/- 0.05dB
- Signal/noise ratio (Awtd) 50W / 8Ω - 110dB
General
- Power consumption (standby) -
|
Driver Complement
Electrical
Dimensions
Cabinet Size 3-1/2" H x 17" W x 12-5/8" D
(8.89cm H x 43.18cm W x 32.07cm D)
Shipping/Other
Shipping unit: each
Total Shipping Weight 14.00 lbs. (6.35kgs) |
Yamaha RN402D MusicCast Enabled Network Receiver.
The R-N402D is a receiver and network audio player in a single unit. You can use it to easily play audio sources downloaded from the Internet and stored on a PC or NAS system. Or, enjoy streaming music services and internet radio (with vTuner). Moreover, Yamahaʼs original MusicCast App allows you to enjoy your favourite tunes on a smartphone or tablet device via wireless connection.
With a beautifully simple and unique design inherited directly from Yamahaʼs HiFi audio components, the R-N402D also boasts an easy-to-operate button layout. The aluminium front panel has a richly textured silver hairline finish. The control knobs are also of the same luxurious construction as used on our top-end models. Both inside and out, everything about the R-N402D demonstrates our commitment to superior design and operability.
MusicCast is a new revolution in network audio, use all your MusicCast products together or separately, itʼs completely up to you. Control it, all from one app, designed to be intuitive, quick and simple to use. Use a soundbar, a wireless speaker, an AV receiver, Hi-Fi audio whichever suits you best, mix and match then expand your MusicCast system as time goes on. All new from Yamaha, the MusicCast system brings everything to everywhere for everyone.
MusicCast employs a high performance wireless network to deliver music and audio enjoyment. It can stream digital music content from your smartphone, PC or NAS to other MusicCast devices in your home. It can also share the music from external devices such as a CD player or TV connected to the R-N402D. Audio content from Bluetooth-connected smartphones or tablets can also be streamed to MusicCast devices in multiple rooms.
You can hear all the music sources on the R-N402D from your smartphone via wireless Bluetooth or AirPlay connection. You can play music from music apps, radio apps, or YouTube™-type video hosting services.
DAB and DAB+ are Digital Audio Broadcasting formats that offer a large selection of radio stations with high sound quality. Other benefits include automatic tuning to available stations with a list to choose from, and display of information such as station name. You can preset 40 DAB / DAB+ stations.
USB Digital Connection for USB Flash Drives on the Front Panel
The R-N402D provides a USB port on the front panel for quick connection of USB flash drives. You have instant access to all your stored music, and the digital connection ensures that you hear it with the highest possible sound quality.
Gapless Playback Compatibility
Many live and classical albums have no gaps in the music. Gapless playback ensures that there are no pauses between audio files. This provides playback with no interruptions, the way it was meant to be heard.
To ensure maximum network audio quality, the receiver supports WAV / FLAC 192 kHz/24-bit, Apple Lossless 96 kHz/24-bit, DSD 5.6 MHz and even the new AIFF 192 kHz/24-bit formats. It uses a BurrBrown 192 kHz/24-bit DAC that has a firmly established reputation for quality. Youʼll enjoy the beautiful sounds of high resolution audio.
The R-N402D is equipped for digital audio input — with both optical and coaxial terminals. The optical is for receiving audio from a TV, and the coaxial for receiving audio from a Blu-ray Disc player. The audio stays in the digital domain, giving you pure, pristine dynamic sound for all your entertainment sources, from sports and other programmes to movies and concerts.
Yamaha R-N402D Key Features:
- Yamaha high sound quality, created by rich experience and tradition, and high technological expertise (Traditional Natural Sound concept / high sound quality circuit design / 100 W x 2 high power output)
- Supports 5.6MHz DSD Native and 192 kHz/24-bit High Resolution Music(Flac/ WAV/ AIFF) with high performance 24-bit D/A converter
- MusicCast for audio enjoyment in every room
- Control app for easy operations (MusicCast CONTROLLER)
- Support for internet radio and various music streaming services
- DAB / DAB+* and FM tuners both have 40 station preset memories
- Supports Bluetooth® output for pairing R-N402D and other Bluetooth equipped products
- Bluetooth for wireless music streaming
- AirPlay® allows music streaming from Mac, PC, iPod®, iPhone®, iPad®
- USB digital connection for USB flash drives on the front panel
- Gapless Playback compatibility
Digital audio input for TV or Blu-ray Disc™ player - Simple yet sophisticated design
- Screw-type speaker terminals
- Speaker selector and speaker terminals for two systems
|
Class XD™ amplification designed to eliminate crossover distortion at low signal levels
New balanced volume topology controllable in 1dB steps, giving very fine control, and superbly accurate channel balance
Audiophile grade oversize toroidal transformer and substantial extruded heatsink allowing 2 x 120 Watts RMS into 8 Ohms or 2 x 200W into 4 ohms.
Separate transformer taps for left and right channels, twin rectifiers and separate PSUs for dual mono operation of the left and right power amplifiers
A separate toroidal transformer supplies the preamp making the 851A effectively a Pre and Power amp combination in one box
CAP5 protection technology for trouble free operation
Acoustically damped full metal chassis with thick brushed aluminium front panel
Customisable front panel display
Balanced and unbalanced analogue audio inputs for superior connectivity
RS232 controllable
Eco-friendly Available in black and silver finishes
![]()
|
Reviews
There are no reviews yet.