Features HD- AMP1
Power Output (8 / 4 Ohm RMS) 35 W / 70 W
Frequency Response 20 Hz-50 kHz
Total Harmonic Distortion 0.05%
Input Sensitivity: MM
Input Sensitivity: MC
Signal to Noise Ratio: MM / MC - / -
Input Sensitivity: High level 200 mV / 22 kOhm
Input Sensitivity: Balanced High level
Signal to Noise Ratio: High level 105dB(2V input)
Input Sensitivity: Power Amp Direct IN
Signal to Noise Ratio: Power Amp Direct IN Channels 2
Current Feedback Topology
Phono EQ: Standard / Marantz Musical / Marantz Musical Premium - / - / -
HDAM version SA2
Power Transformer: Toroidal / El - / - *SMPS
High Grade Audio Components
Customised Components
Symmetric PCB Layout
Aluminium extrusion heat sink
Copper plated chassis
Tri Tone Control (Bass / Mid / Treble)
Balance / Bass / Treble / Loudness o / o / o / -
USB-A: DSD / WAV / FLAC / AIFF / ALAC <=5.6 / 192 / 192 / 192 / 96
USB-B DSD Audio Streaming (DoP) <=DSD11.2
Asynchronous mode rear USB
Bit-perfect transmission
Ground isolator for DAC Mode operation
Bluetooth / aptX / NFC
Streaming audio from PC
Wi-Fi / Wired LAN
Internet radio
AirPlay Audio Streaming
Windows Play to
vTuner / Spotify*
DLNA certified
Lossy formats: MP3 / WMA / AAC
Lossless formats: DSD / FLAC192/24 / ALAC96/24 / WAV192/24 / AIFF192/24
Gapless Playback
Marantz HiFi Remote App
Digital in: USB-B / optical / coaxial / USB-A o / 2 / o / o
Sample Rate Digital In 192 kHz / 24-bit
DAC chip Sabre ES9010KM2
DSD-Audio network streaming
Analog mode Dimensions (W x H x D) 12.0 x 4.2 x 13.9" (30.5 x 10.7 x 35.3 cm)
Weight 12.8 lb (5.8 kg) Concept 20 Bookshelf pecifications Features

GelcoreTM Construction - Means music lovers can enjoy genuine ‘high end’ sonic performance and with the option of either lacquered gloss black, or lacquered gloss white; not only will the speakers sound amazing, they will also look beautiful.
Enclosure type: 2-way reflex, Bass Unit: 125mm, Treble Unit: 25mm
Frequency Response (+/- 3 dB): 64Hz - 22kHz, Nominal Impedance: 6ohm, Minimum Impedance: 4ohm
Sensitivity: 88dB, Recommended Power: 25 - 75w, Crossover Frequency: 2.9kHz
Includes: (2) Concept 20 Bookshelf Speakers, (2) Speaker Grills, (2) Port Bungs, (1) User Manual
Bass Unit
5"
Crossover Frequency
2.9kHz
Dimensions
260 x 170 x 255 mm (10.2 x 6.7 x 10 in) cabinet
260 x 170 x 280 mm (10.2 x 6.7 x 11 in) overall Whats In The Box
2 x Concept 20 Bookshelf Speakers
2 x Speaker Grills
2 x Port Bungs
1 x User Manual