OAD Ultrafidelity Padma Owner'S Manual Download Page 8

6

Line Stage Specifications

Input Sensitivitiy:  80mV
Main Output Level (SE):  0.775V
Main Output Level (BAL):  1.55V
Maximum Output: >20V RMS or 28.2 dBu
Frequency Response:  0 - 650kHz -3dB @ 1.8VRMS Output
 

 

 

0 - 280kHz -3dB @ 20VRMS Output

Input impedance: 20k Ohms 
Output impedance: (SE) < 47 Ohms and (BAL) < 100 Ohms
Total Harmonic Distortion: < 0.001% @ 100mV output 20Hz -20kHz
Signal to Noise Ratio: >110dB A-weighted input shorted
Overload Margins:  40dB (all inputs all audio frequencies)
Gain Range: -62dB to +10dB
Gain Resolution: 0.5dB

Mains Fuse:   Model 220-240V 1A/250V anti surge (T) M205
 

 

Model 100-120V 2A/250V anti surge (T) M205

Weight .................................. 13 kg (15.5 lbs) 

 

Shipping Weight ................. 14.6kg (18.96 lbs)
Dimensions .......................... 126(H) x 438(W) x  353(D)mm          (4.96” x 17.25” x 13.9”)    
Shipping Dimensions ...........  235 (H) x 570 (W) x 500 (D) mm      (9.25” x 22.44” x 19.68”) 
Mains Supply ....................... 110-120V or 220-240V, 50/60Hz

Warranty

OAD Ultrafidelity products are covered by a 3-Year Limited Warranty. This Limited Warranty initiates from 

the date of purchase, and is limited to the original purchaser. Outside Australia, the authorized importing 

retailer or distributor has accepted the responsibility for warranty of OAD Ultrafidelity products sold by 

them. The specific terms and remedies for fulfilment of the Limited Warranty may vary from country to 

country. Warranty service should normally be obtained from the importing retailer or distributor from whom 

the product was purchased. In the unlikely event that technical service beyond the ability of the importer 

is required, OAD Ultrafidelity will fulfil the terms and conditions of the Limited Warranty. Such product 

must be returned at the purchaser’s expense to the OAD Ultrafidelity factory, along with a photocopy 

of the dated purchase receipt for the product, a written description of the problem(s) encountered, and 

any information necessary for return shipment. The cost of return shipment is the responsibility of the 

purchaser.

All technical specifications are subject to change without prior notification.

Summary of Contents for Padma

Page 1: ...Owner s Manual OAD Ultrafidelity Padma Stereo Control Preamplifier ...

Page 2: ... Cables 2 Remote Control Operation 2 Powering Up or Down 2 Selecting an Input Source 2 Adjusting Volume 2 Mute 2 Identification of Connections Controls 3 4 Description 4 Main Power On 4 Operating Mode 4 5 Standby Mode 5 Balance Mode 5 Line Stage Specifications 6 Warranty 6 Contents ...

Page 3: ...e required safety standards It is important for both safety and performance that the standard cable supplied is not modified A switch at the rear of the Padma must be accessible in case of emergency power disconnect The power button on the front touch display panel of this unit when off does not disconnect all power from this unit This unit is in standby mode when not on For continued protection a...

Page 4: ...ny of the buttons are pressed then the battery will need to be replaced by unscrewing the lower two screws on the remote control rear Powering Up and Down So long as mains power is applied the remote control can be used to power up or down the Padma The last preset you have used will be engaged as indicated by the LED above the button Selecting an Input Source The group of six source input buttons...

Page 5: ...ER switch With POWER switched off the remote control s power button cannot activate the Padma 3 FUSE HOLDER Your Padma is fitted with a fuse If it needs to be replaced you must use the same type and rating Installing an incorrect fuse may cause damage and this will void the warranty of your Padma 4 AUDIO OUT The main outputs that connects the Padma to the corresponding audio inputs of external pow...

Page 6: ...wer on diagnostics fail the knob will be powered off and all the front panel LED s will flash At the end of power on self test the volume knob will be at the minimum volume position and the amplifier will come out of standby powering up the power supplies connecting input sources The power up process takes approximately 30 seconds and when complete the front panel LED for channel 1 will be illumin...

Page 7: ...olume level will be whatever corresponds to the position of the volume knob The state of mute is remembered and the mute state is remembered and restored on exit from mute Standby mode is exited by pressing the IR power button This will start the power up sequence which takes a while During the power up sequence all front panel LED are on until operating mode is reached Balance mode Balance settin...

Page 8: ...Year Limited Warranty This Limited Warranty initiates from the date of purchase and is limited to the original purchaser Outside Australia the authorized importing retailer or distributor has accepted the responsibility for warranty of OAD Ultrafidelity products sold by them The specific terms and remedies for fulfilment of the Limited Warranty may vary from country to country Warrantyserviceshoul...

Page 9: ...7 This Page Intentionally Left Blank ...

Page 10: ...OAD ultrafidelity www openaudiodesigns com ...

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