steven.y Posted April 11, 2017 Share Posted April 11, 2017 Hi! I just got a microRendu and an iPower from Sonore. To check the polarity of iPower's socket, I measure a voltage of it with FLUKE digital meter and it read 9.3V (center +). mR get a quite warm after an hour of listening. User manual states that "The Sonore microRendu utilizes an optional power supply capable of delivering 6-9 volts at 1 amp min (center +). Do not exceed these power specifications or damage to the unit will occur." and I think that iPower's output of 9.3 volts is exceed the power spec. My question is that if it is OK or I should stop using now. Just for an information, DAC description: NuPrime IDA-8 16d0:09d8 Diagnostic information for this DAC NuPrime NuPrime IDA-8 at usb-ci_hdrc.1-1.1, high speed : USB Audio Playback: Status: Running Interface = 1 Altset = 1 Packet Size = 63 Momentary freq = 44101 Hz (0x5.8338) Feedback Format = 16.16 Interface 1 Altset 1 Format: S32_LE Channels: 2 Endpoint: 1 OUT (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 Data packet interval: 125 us Interface 1 Altset 2 Format: S32_LE Channels: 2 Endpoint: 1 OUT (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 Data packet interval: 125 us Interface 1 Altset 3 Format: SPECIAL DSD_U32_BE Channels: 2 Endpoint: 1 OUT (ASYNC) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 Data packet interval: 125 us access: RW_INTERLEAVED format: S32_LE subformat: STD channels: 2 rate: 44100 (44100/1) period_size: 5513 buffer_size: 22050 Simple mixer control 'iAP Interface',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 127 Mono: Front Left: Playback 127 [100%] [0.00dB] [on] Front Right: Playback 127 [100%] [0.00dB] [on] Simple mixer control 'iAP Interface',1 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 127 Mono: Playback 127 [100%] [0.00dB] [on] Link to comment
vortecjr Posted April 11, 2017 Share Posted April 11, 2017 That is an approved PS...no worries. SONORE computer audio | opticalRendu | ultraRendu | microRendu | Signature Rendu SE | endPoint | opticalModule DX | Power Supplies | Link to comment
steven.y Posted April 11, 2017 Author Share Posted April 11, 2017 Thanks vortecjr for an information, Now I feel relieved. Link to comment
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