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Description
iBasso PB5 Osprey Overview
The
iBasso PB5 Osprey Portable Balanced Tube Amp for Headphones is the perfect companion to the company's DXMax audio players, providing that tube warmth and harmonic richness that many audiophiles appreciate. Designed for those who seek the unique character of tube amplification in a portable format, it delivers power and precision, making it ideal for genres like rock, blues, jazz, and classical.
The PB5 Osprey is equipped with a 4.4mm TRRRS balanced input, along with both 4.4mm TRRRS balanced and a 3.5mm TRRS unbalanced headphone outputs. Six built-in rechargeable batteries deliver up to 10.5 hours of continuous music playback.
Dual Nutube 6P1 Vacuum Tubes
Developed by KORG and Noritake, the 6th-generation Nutube functions just like a traditional triode vacuum tube, delivering the rich overtones that triode enthusiasts seek. However, Nutube offers significant advantages over conventional tubes, including lower power consumption, a more compact design, and improved durability. It provides true voltage amplification, ensuring an unmistakable vacuum tube sound with outstanding linearity.
Unparalleled Power Supply with Six Batteries
The PB5 features a meticulously engineered six-battery power supply system. Two batteries power the Nutube, while the remaining four drive the secondary amplifier. This efficient and pure power delivery results in an immersive, crystal-clear listening experience.
Precision 24-Position, 4-Section Stepped Attenuator
A highly compact 24-position, 4-section stepped attenuator provides precise analog volume control, preserving the authentic characteristics of the vacuum tube amplifier. Channel imbalance remains within an impressively tight ?0.1 dB range, while volume adjustments simultaneously lower the noise floor for an ultra-clean signal.
Exceptional Power Output
With its robust six-battery power system and transistor current amplifier, the PB5 delivers an impressive 1700mW + 1700mW at 32 Ohms, ensuring ample driving power for demanding headphones.
Advanced Vibration and Interference Reduction
To minimize microphonics and external interference, the PB5 employs:
- A two-step suspension system that mechanically absorbs vibrations.
- A cathode input design that lowers impedance, reducing external signal interference.
Premium Components for the Ultimate Analog Sound
- 24-position, 4-section stepped attenuator with a channel tolerance of ?0.1 dB.
- Texas Instruments OPA827 OPAMP, renowned for its exceptional performance and rich analog character.
- Low VCEsat (BISS) dual transistors with a high output current of up to 2A.
- iBasso custom film capacitors for a smooth, natural analog sound.
Optimized for High-End Users
The PB5 accepts a maximum line input of 2.5V. Exceeding this may introduce distortion.
When using the DX220MAX, DX300MAX, or DX320MAX line-out, avoid the highest gain setting to maintain optimal performance.
Items Included
- iBasso PB5 Osprey Portable Balanced Tube Amp for Headphones
- Limited 1-Year Manufacturer Warranty
Additional Resources
No additional resources available
iBasso PB5 Osprey Specs
Key Specs
| Number of Headphone Channels |
Single Channel
|
| Recommended Headphone Impedance |
8 to 600 Ohms
|
| Headphone Output Power |
4.4 mm Balanced:
1700 mW per Side into 32 Ohms (Max) |
| Analog Audio I/O |
1x 4.4 mm TRRRS Balanced Stereo Line Input
1x 4.4 mm TRRRS Balanced Stereo Headphone Output 1x 1/8" / 3.5 mm TRRS Unbalanced Stereo Headphone Output |
| Digital Audio I/O |
No
|
| USB I/O |
USB-C (Power/Charging Input)
|
| Wireless |
No
|
| Frequency Response |
20 Hz to 40 kHz +0.5/-2 dB
|
| Power Requirements |
Built-In Rechargeable Battery
|
| Number of Headphone Channels |
Single Channel
|
| Recommended Headphone Impedance |
8 to 600 Ohms
|
| Headphone Output Power |
4.4 mm Balanced:
1700 mW per Side into 32 Ohms (Max) |
| Digital Chipset |
No
|
| Analog Circuitry |
Tube:
|
| EQ |
No
|
| Display |
No
|
Connectivity
| Analog Audio I/O |
1x 4.4 mm TRRRS Balanced Stereo Line Input
1x 4.4 mm TRRRS Balanced Stereo Headphone Output 1x 1/8" / 3.5 mm TRRS Unbalanced Stereo Headphone Output |
| Digital Audio I/O |
No
|
| USB I/O |
USB-C (Power/Charging Input)
|
| Wireless |
No
|
Performance
| Frequency Response |
20 Hz to 40 kHz +0.5/-2 dB
|
| Gain/Trim Range |
+2 dB / +11.5 dB
|
| Impedance |
4.4 mm Headphone Outputs:
0.25 Ohms (Balanced) 1/8" / 3.5 mm Headphone Outputs: 0 Ohm (Unbalanced) |
Power
| Power Requirements |
Built-In Rechargeable Battery
|
| Battery Type |
6x Built-In Rechargeable
|
| Battery Charging Time |
2.5 Hours
|
| Approximate Battery Life |
10.5 Hours
|
Physical
| Dimensions |
5.5 x 3.2 x 1.1" / 139 x 82 x 28 mm
|
| Weight |
12.4 oz / 352.0 g
|
Packaging Info
| Package Weight |
2.245 lb
|
| Box Dimensions (LxWxH) |
9.1 x 7.5 x 2.7"
|
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 210464.8 |
| 3-5 | ₹ 208317.2 |
| 5-10 | ₹ 204022.0 |
| 10+ | ₹ 199726.8 |
Bulk discount will be automatically applied during checkout based on quantity.