background image

Hafler

R

LOW CUT

POWER

 PH50B 

LIFT

CE

15VDC · 400mA

GROUND

LEFT

RIGHT

BALANCED

Hafler is a division of Radial Engineering Ltd. 

OUTPUT

LEFT

RIGHT

INPUT

LEFT

RIGHT

PH50B PHONO PREAMP 

FOR MOVING MAGNET

Hafler

R

Hafler

LOW CUT

POWER

 PH50B 

LIFT

CE

15VDC · 400mA

GROUND

LEFT

RIGHT

BALANCED

Hafler is a division of Radial Engineering Ltd. 

OUTPUT

LEFT

RIGHT

INPUT

LEFT

RIGHT

PH50B PHONO PREAMP 

FOR MOVING MAGNET

Hafler

R

R

Hafler

R

LOW CUT

POWER

 PH50B 

LIFT

CE

15VDC · 400mA

GROUND

LEFT

RIGHT

BALANCED

Hafler is a division of Radial Engineering Ltd. 

OUTPUT

LEFT

RIGHT

INPUT

LEFT

RIGHT

PH50B PHONO PREAMP 

FOR MOVING MAGNET

Hafler

R

Hafler

LOW CUT

POWER

 PH50B 

LIFT

CE

15VDC · 400mA

GROUND

LEFT

RIGHT

BALANCED

Hafler is a division of Radial Engineering Ltd. 

OUTPUT

LEFT

RIGHT

INPUT

LEFT

RIGHT

PH50B PHONO PREAMP 

FOR MOVING MAGNET

Hafler

R

R

PH50B PHONO STAGE

Hafler

2

FeaTURes

1.  low CUT:

 Activates the high-pass (low cut) filter

2.  HPF ConTRol:

 Variable high-pass filter eliminates excessive low 

frequencies

3.  lIFT:

 Activates a ground lift on the XLR outputs to reduce hum and 

buzz

4.  PoweR on:

 Power switch turns on the PH50B

5.  CaBle ClaMP:

 Secures the power supply cable

6.  15vDC:

 External power supply included

7.  BalanCeD oUTPUTs:

 XLR outputs connect to a console or re-

cording interface

8.  UnBalanCeD oUTPUTs:

 RCA outputs connect to a receiver or 

HIFI system

9.  gRoUnD lUg:

 Connect turntable to eliminate hum and buzz

10. InPUT:

 RCA input to connect your turntable to the PH50B

1

2

3

9

7

8

5

6

4

10

Summary of Contents for PH50B

Page 1: ...PH50B U s e r G u i d e Phono Stage Hafler is a division of Radial Engineering Ltd 1588 Kebet Way Port Coquitlam BC Canada V3C 5M5 604 942 1001 info hafler com www hafler com ...

Page 2: ...put or a recording interface Before making any connections make sure your audio system is turned off This will help avoid loud turn on and connection transients that can damage more sensitive components such as tweeters The Hafler PH50B is designed for a turntable that is equipped with a standard moving magnet cartridge allowing for high quality playback over balanced or unbalanced outputs If your...

Page 3: ...idges It will boost the signal to produce a 10 dB output while incorporating a well defined RIAA curve preserve and transmit the original program material with minimal coloration COIL MAGNET STYLUS About the RIAA Equalization Curve The Recording Institute Association of America RIAA figured out that in order to reproduce the recording effectively the high frequencies have to be exaggerated Upon pl...

Page 4: ...AMP FOR MOVING MAGNET Hafler R R PH50B PHONO STAGE Hafler 2 FEATURES 1 Low Cut Activates the high pass low cut filter 2 HPF Control Variable high pass filter eliminates excessive low frequencies 3 Lift Activates a ground lift on the XLR outputs to reduce hum and buzz 4 Power ON Power switch turns on the PH50B 5 Cable clamp Secures the power supply cable 6 15VDC External power supply included 7 Bal...

Page 5: ...u use high quality coaxial cables with proper shield ing to minimize noise It is also very important that you ensure the ground connection from the turntable is properly and securely fastened to your PH50B Using the Unbalanced Outputs If you are connecting to a HIFI receiver use the RCAoutputs on the PH50B into a pair of line level inputs on the receiver Do not use inputs labeled phono as these wi...

Page 6: ... consoles This allows you to set up a turntable for playback in a home theater or recording studio or to convert your vinyl collection to a digital format us ing recording software Ensure that you are connecting to inputs that are set for line level operation Once connected should you encounter buzz or hum from ground loops simply engage the LIFT switch on the front of the PH50B to lift the audio ...

Page 7: ...er clockwise 7 00 o clock and then slowly turn clock wise until the problem subsides This handy control can also be used to reduce low frequency transmission to other rooms Bass en ergy is much more powerful than mids and highs Cutting the bass en ables you to increase the volume without causing others discomfort You are now ready to enjoy A cable clamp next to the power jack can be employed to pr...

Page 8: ...ty period expires The product must be returned prepaid in the original shipping container or equivalent to Hafler or to an authorized Hafler repair centre and you must assume the risk of loss or damage A copy of the original invoice showing date of purchase and the dealer name must accompany any request for work to be performed under this limited and transferable warranty This warranty shall not a...

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