IB-200-0HA002-01 V1.1 / HA-2(CE) 英文说明书
100g书纸，对折打钉，100x146mm，V1.1第3页5,6点删除LINE OUT
CONNECTION
HEADPHONE
HEADPHONE
LINE OUT
AMP
American Acoustic Development LLC
8509 Mid County Industrial Dr
St Louis, MO 63114
USA
www.pjbworld.com
Printed in China
MUSICAL INSTRUMENT
INPUT
MUSIC
AUX INPUT
USB
COMPUTER
BIGHEAD PRO
HA-2
MULTI-FUNCTION PRE/HEADPHONE AMPLIFIER
OWNER’S MANUAL
Thank you for purchasing the BIGHEAD PRO HA-2. A great deal of dedication
and passion went into designing and building this no-compromise,
high-performance compact-combo amplifier. It was conceived to be a
dedicated amplifier for the “connoisseur” bassist. Reading this manual will
enable you to get the best performance from it and it will give you many
years of service.
READ THIS FIRST
Before using the BIGHEAD PRO HA-2 please read ALL the instructions．
On receipt of product, check for any signs of physical damage arising from
y
shipping. If any damage is visible contact your dealer.
y
Do not install this equipment in a confined or building-in space such as a
bookcase or similar unit, and remain good ventilation conditions at an
open site. The ventilation should not be impeded by covering the ventilation
openings with items such as newspaper, table-cloths, curtains etc.
y CAUTION: Danger of explosion if a battery is incorrectly replaced.
Replace only with the same or equivalent type.
y
WARNING: The batteries (battery pack or batteries installed) shall not be
exposed to excessive heat such as sunshine, fire or the like.
y
WARNING: Only use attachments/accessories specified or provided by
the manufacturer (such as the exclusive supply adapter etc).
y WARNING: To reduce the risk of fire or electric shock, do not expose this
apparatus to rain or moisture. The apparatus shall not be exposed to
dripping or splashing and that objects filled with liquids, such as vases,
shall not be placed on apparatus.
y
When not in use and during movement, please take care of the power
cords, e.g. tie up the power cords with the cable tie or something like that.
It shall be free from sharp edges and the like that can cause abrasion of
the power cords. When put into use again, please make sure the power
cords were not damaged, If any damages found, please look for the service
person to replace the power cords specified by the manufacturer or have
the same characteristics as the original one.
y
Correct Disposal of this product. This marking indicates that this
product should not be disposed of with other household wastes
throughout the EU. To prevent possible harm to the environment or
human health from uncontrolled waste disposal, recycle it responsibly to
promote the sustainable reuse of material resources. To return your used
device, please use the return and collection systems or contact the retailer
where the product was purchased. They can take this product for
environmentally safe recycling.
1 2
OVERVIEW OF THE BIGHEAD PRO
The BIGHEAD PRO has many features in a small package.
Headphone Booster: Connect up a smartphone or audio device to auxiliary
1.
input and unleash the true potential of your music to your headphones.
The output power is more than six times than that of an iPhone. The
increase in power will add extra dynamics and resolution to your audio.
Headphone Amp for Guitar and Bass Instruments: The BIGHEAD PRO
2.
features a specifically developed 2-Band EQ system optimized mainly for
bass instruments but can also work for any type of other instruments due
to the broadband spectrum of the HF boost and cut. Input level control
allows any type of passive or active instruments to be connected with
perfect impedance and signal level matching.
Digital Recording Device: The Micro USB can be connected to a computer
3.
for recording directly for use with software such as Pro Tools, Cakewalk or
Garage Band.
Digital Playback: The USB also allows a digital signal to be converted
4.
back to Analog playback.
Pre Amplifier: The Line out jack can be connected to the input of another
5.
amplifier, giving the amp a high quality signal with EQ.
The BIGHEAD PRO features an internal rechargeable lithium-ion battery
which can last up to 8 hours of continuous use or can be connected to a
smartphone charger via the micro USB for AC operation.
FRONT & BACK PANEL OVERVIEW
FRONT
21 5 63 4
BACK
USB
7 8 9
1. Input Level Gain (Outer Control)
Instrument only. This will match the level of an instrument to BIGHEAD PRO.
If the signal is distorted then turn this control down until distortion has gone.
2. Master Volume Control (Inner Control)
Controls level of both instrument and AUX signal.
3. Headphone Jack
Standard stereo 3.5mm headphone jack. AUX signal is stereo and instrument
is a mono signal.
4. Power Indicator
5. Treble Cut/Boost (Inner Control)
Cut and boost signal +/- 18dB of the instrument only not AUX signal.
6. Bass Cut/Boost (Outer Control)
Cut and boost signal +/- 18dB of the instrument only not AUX signal.
3 4
10
1211
7. Line Out Jack
The preamp in the BIGHEAD PRO is recording studio quality so the line out
is a very pure signal for recording or driving another amplifier.
8. Bass Instrument Input Jack
This is a high impedance input and is designed for all passive and active
instruments.
9. Stereo AUX Input Jack
This is a stereo mini jack and can accept any signal from iPod, iPad, and
computer or drum machine.
10. USB Digital Audio Interface
y
When connected, HA-2 will enumerate using device name string
“PJB HA-2”, while on older Windows versions, name string will be shown
as “XMOS USB Audio”.
y In USB mode, volume can be adjusted by VOLUME knob.
y
Default USB driver for audio on Windows 7 / Windows 8 / Windows 10
operation system supports only USB Audio Class 1, which limits the
audio stream to only 2 channels PCM with highest sample rate of 96KHz.
To support PCM with higher sample rate and DSD stream, USB interface
of HA-2 is built on USB Audio Class 2, therefore specific driver is needed
for using with Windows 7 / Windows 8 / Windows 10. Please refer to
http://www.pjbworld.com/support.html
for details.
y Please understand Windows XP operation system is no longer maintained
by Microsoft, driver software to work with Windows XP is no available.
Please contact after service for further support.
y
USB driver in Mac OS supports USB Audio Class 1 and USB audio Class 2
by default, therefore no dedicated driver software is needed for HA-2 to
use with Mac computer.
y
For further information referring to the driver software, please log on the link
below for details: https://www.xmos.com/support/usb-audio-driver-support
y
In USB mode, PCM stream with various sample rates is supported, including
44.1KHz/48KHz/88.2KHz/96KHz/176.4KHz/192KHz/352.8KHz/384KHz.
Highest resolution for PCM stream is 24bit. DSD playback with sample
rate of 2.822MHz and 5.644MHz is supported, the stream is output with
DoP mode.
y
When using with smart devices, like Android phone/Pads etc., please
connect HA-2 to the smart device using dedicated USB OTG adapter cable,
and install corresponding APP if needed (like Sony Neutron music player etc.).
When in USB mode, if the current OS system is Windows, the DSD audio file
is played and output in DoP mode (DSD over PCM). During the playback,
please keep the system master volume at maximum setting.Lower the master
volume will result in no output or noise output.
Setting sequence of master volume is:
“System console” → “Audio and Hardware” → “Sound” → “Playback” ,
double click the XMOS icon, select the level page, and set the master volume
to maximum.
Sound
Playback
Recording Sounds Communications
Select a playback device blelow to modify settings:
Speaker
2-XMOS USB Audio
Default device
Configure
Set Default
OK
Cancel
Properties
Apply
Speakers Properties
General Enhancements Levels Advanced Spatial sound
Speakers
100
Balance
OK Cancel Apply
Note: default music player in Mac OS does not support DSD or DoP music
playback.
11. Charging Indicator
Red light steady lit = charging Red light off = fully charged
12. Power On/Off Switch
SPECIFICATIONS
Headphone Output Power: 300mW
Frequency Response: 10Hz-40KHz
Impedance: 16-64 ohms
Controls: Master Volume, Input Gain,
Treble/Bass for Instrument Input Signal
Jacks: Headphone (3.5mm stereo mini), Line Out (1/4" Phone),
Input (1/4”Phone), AUX Input (3.5mm stereo mini),
Micro USB for Battery Charge and Digital Signal Interface
Dimensions (WxDxH): 3" x 5.9" x 0.9" (75 x 149 x 24 mm)
Weight: 0.6 lbs (290 g)
PARTS INCLUDED
y Soft Cover y 3.5mm Jack Cable y Micro USB Cable
5 6
SERVICE/WARRANTY INFORMATION
PJB amplifiers carry 2 years limited warranty on parts and labor.
Products must be purchased from an authorized PJB dealer to receive
warranty service.
Buyer must complete and return the enclosed warranty card within 15 days of
purchase, or register online by www.pjbworld.com
This warranty covers defect in materials or workmanship that occurs in normal
use. Within warranty period PJB or its local distributor will repair or replace
the defect unit free of labor and parts charge. It is the buyer’s responsibility
to use the unit strictly according to instructions written in the owner’s manual.
This warranty is not transferable; it is provided to the original owner only.
Damage/defects caused by the following conditions are not covered by this
warranty:
Improper handling, neglect or failure to operate the unit in compliance with
y
the instructions given in the user manual;
Connection or operation in any way that does not comply with the technical
y
or safety regulations applicable in the country where the product is used;
Repairs or modifications by anyone other than authorized PJB service agent;
y
y
Damages/defects caused by force majeure or any other condition that is
beyond the control of PJB.
IMPORTANT:
In all warranty issues your first line of communication should be to the
y
retailer you purchased from, even if you have purchased the product from
an online source.
y When a local distributor is available, a customer who prefers to purchase
across the country online may be required to pay shipping charges to the
retailer in order to obtain service.
Further questions, please contact PJB by email info@philjonespuresound.com,
or call 314-814-3383.
American Acoustic Development LLC
8509 Mid County Industrial Dr, St Louis, MO 63114 USA
Tel: 855-BASS-510
(855-227-7510)
www.pjbworld.com
support@philjonespuresound.com
For servicing outside USA please contact our distributor in your country.
Information can be found on our website.
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