iBasso Balanced Headphone Amp PB2
Owner’s manual
1
Main Features:
- 32V voltage swing
- Up to 2500mW output power
- Takes Balance an Single En inputs, an provi es
Balance an Single En outputs
- 3-Setting gain jumpers for impe ance matching
- 10 DIP sockets for OPAMP an Buffer rolling
- 4-layer gol plate PCB
- Rechargeable battery pack
Contents:
iBasso PB2, power a apter, rubber feet, leather pouch,
connection cable, an warranty car .
Also comes with the following OPAMPs an Buffers.
OPAMP/BUF Qtt. L/R BUF
Singe
Dual
AD797 (Blue)
4
•
•
•
－
OPA604
4
•
－
•
－
BUF634U
4 －
•
•
－
BUF634P WB
4 －
•
•
－
Dummy a apter
4 －
•
•
－
OPA604*4, an BUF634U*4 are inserte on the PB2.
Caution:
To protect your hearing, please o not listen at extremely
high volume levels. Exten e high volume listening can
lea to permanent hearing loss.
OPAMP and Buffer Rolling
Before you open the enclosure to roll the OPAMP or
buffer, please make sure the PB2 is turne off. The
OPAMP an Buffer can be amage by static. It is better
to roll the OPAMP in a static-free environment. Always
check it is a single or ual OPAMP before rolling the
OPAMP, an make sure it is being place into the right
socket.
Direction of Inserting the OPAMP and Buffer:
In the follow picture, shows the first pin of the OPAMPs,
Buffers, or ummy a apters. In the above picture, there is
a black hole on each OPAMP or Buffer sockets, which is
where the first pin shoul go. (Be aware of that, inserting
the OPAMP or Buffer in a wrong irection may amage it,
which is not covere by warranty.)
Charging the Battery,
& Using External Power Supply
When the furnishe AC a apter is connecte , the PB2’s
battery is bypasse ; the PB2 is using the 16V external
power source. When the charge switch turns to On
Position, the PB2 starts charging. The re color charging
lamp turns on at the same time. It takes about 4 hours to
charge the completely raine battery pack. At the point
the re color charge lamp goes off, the battery is about
80% charge . If keeping the AC a apter plugge , the PB2
