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ifi STEREO 50 User Manual

All-in-one vacuum tube amplifier
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RETRO
50
All-in-One Vacuum Tube Amplifier

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Summary of Contents for ifi STEREO 50

  • Page 1 RETRO All-in-One Vacuum Tube Amplifier...
  • Page 2 STEREO 50 All-in-One Vacuum tube Amplifier Features High-quality wireless Bluetooth(aptX) with NFC for pairing. No tedious setup is required, the most • convenient wireless connection with excellent sound. Pure vacuum tube 25W + 25W* amplifier. For lush, open and fluid sound reproduction.

  • Page 3: Power Switch

    TONE INPUT VOLUME Bass Treble 3/Phono Direct Digital Bass Input Input Coaxial/Optical Bluetooth POWER INPUT RETRO Power LED 3D Holographic Sound System ON/OFF. For narrow (<1.5m apart) speaker ●●● placement. Power Switch For Normal Use (Recommended). ● 45 seconds warm-up time. XBass System 3.

  • Page 4: Digital Audio Input

    USB Input Phono Ground Connect the Ground wire from MAC OSX (10.6 or later) has built-in native support for the Retro Stereo 50 DAC. the turntable. MS Windows (XP or later), please download Line 3 Mode Selection and install the driver software before See Phono Settings card for details.

  • Page 5: System Connection Diagram

    Technol ogy li censed fr om AMR-Audio, UK Assembled in Chi na SLOW BLOW H igh Line 3 (+6dB) PHONO Retro S&E ifi-audi o.com USB cable Audio RCA cable Digital Coaxial/Optical cable Tuner, Computer Turntable Blu-ray/DVD/CD Player, Cassette Deck etc.

  • Page 6: Led Status

    No music playing None Tip: The iFi Retro Stereo 50's DAC's design is based on the award winning iFi micro iDSD. It uses Minimum Phase • (44.1kHz-192kHz) and Bit-Perfect (352kHz or above) filter for the best sound. For connection to Apple devices, the Apple USB Camera Adapter is required. For connection to Android •...
  • Page 7 RETRO Stereo 50's intelligent digital audio input. If the source component has an optical digital output, use the enclosed adapter to connect the coaxial cable from the source component to the iFi RETRO Stereo 50's intelligent digital audio input. Step 2:...
  • Page 8 ” and “ ” from the “ ” selector. Step 2: Turn on the Bluetooth on the smart device and look for: “ iFi HQ(aptX) Audio ” and select press “ Connect ” within 20sec Unpaired devices Step 1: Select “...
  • Page 9 RETRO Stereo 50 can store up to 8 paired devices. • Smart devices (phone/pad) can also be connected to the iFi RETRO Stereo 50 using the USB input. • For iOS devices, a Lightning to USB Camera Adapter is required. For Android devices, an OTG cable is required.
  • Page 10 MC High COAXIAL MM / Line 3 OPTICAL PHONO Connect the audio RCA cables from the source component to the iFi RETRO Stereo 50's RCA audio input. Step 2: Select the respective “ ” or “ ” from the “ INPUT ”...
  • Page 11 Turntable Connection method: RCA interconnect cables Step 1: Identify the input and set the mode switch on the iFi RETRO Stereo 50 for the cartridge used. Cartridge Diagram Mode Switch Gain(dB) RCA connection rated output <0.75mV MC High MM / Line 3 MC High 0.75-3mV...
  • Page 12 • The default Phono EQ curve is the RIAA. • If the precision Tone Control (10-click each side)is enabled, it can convert the default RIAA EQ to various other EQ curves as follows: Bass Treble Bass Treble RIAA Centre Centre RIAA RIAA CCIR/Teldec...

  • Page 13: Tone Controls

    2. If the iFi Retro LS3.5 loudspeakers are placed on a console or in an open shelf, use the “ ” setting. ● The iFi Retro LS3.5 speakers are designed with the XBass function of the Retro Stereo 50 as part of the • overall frequency response, hence it is recommended to at least use the “ ”...
  • Page 14 Both speakers and headphones are affected, however in different and one may say opposite ways. The RETRO Stereo 50 implements the required corrections for both Headphones and Speakers in the form of • iFi 's 3D HolographicSound® matrix analogue signal processing, specially and separately optimised for speakers and headphones.

  • Page 15: Loudspeaker Outputs

    LEFT SPEAKERS 4 -16 Ohm Connect the left LS3.5 loudspeaker to the LEFT SPEAKER output on the iFi RETRO Stereo 50 and vice versa. Tip: Normally is it preferably to decouple the loudspeakers from the shelf/desk they are placed on.

  • Page 16: Headphone Outputs

    6.3mm socket (Turbo drive): connect low sensitivity headphones here. • Tip: When a headphone is plugged in, the iFi RETRO Stereo 50 will automatically mute the speaker • output. As the 3D HolographicSound system is different for Speaker or Headphone playback, when a •...

  • Page 17: Specifications

    Specifications Retro Stereo-50 Stereo Tube Amplifier, with DAC and Phono Stage Wireless Input Bluetooth (aptX): Digital Input USB (DSD512/768kHz/2xDXD): Coaxial (192kHz): Optical (192kHz): Analogue Input Phono(MM/MC Low/MC High/Line 3): Line 1: Line 2: 3.5mm (share with Line 2): Outputs Loudspeaker Output: 3.5mm Headphone Output: 6.3mm Headphone Output: Audio Section...

  • Page 18: Digital Section

    Digital Section PCM: 768/705.6/384/352.8/192/176.4/96/88.2/48/44.1kHz DSD 512/256/128/64: 24.6/22.6/12.4/11.2/6.2/5.6/3.1/2.8MHz DXD: 768/705.6/384/352.8kHz Filters: Minimum Phase (PCM 192/176.4/96/88.2/48/44.1kHz) Bit Perfect (DXD/PCM 768/705.6/384/352.8) Analogue (DSD) 192/176.4/96/88.2/48/44kHz General Power Supply: AC 100V-240V Power consumption: ~0.1W (Standard mode) Dimensions (W x H x D): 268 x 146 x 226mm Weight: 5.8kg...

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