Hafler PH60B Manuale utente

PH60B

User Guide

Phono Stage

Haer is a division of Radial Engineering Ltd.

1588 Kebet Way, Port Coquitlam

BC, Canada V3C 5M5

(604) 942-1001 info@haer.com

www.haer.com

Table of Contents Page

Features ..............................................................................1-2

Overview ................................................................................ 3

Set the Load ........................................................................... 4

Connect ...............................................................................5-6

Adjusting the Gain .................................................................. 7

Using ...................................................................................... 8

Warranty .................................................................Back Cover

Thank you for purchasing the Haer PH60B™ phono stage,

one of the best sounding and most versatile phono preamps

ever made. The PH60B will boost the signal from your turn-

table and apply the necessary RIAA curve, allowing you to

connect to a HIFI playback system, a pro audio console input

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 Haer PH60B is designed for a turntable that is equipped

with a moving coil (MC) cartridge, allowing for high quality

playback over balanced or unbalanced outputs. If your turn-

table is equipped with a moving magnet (MM) cartridge, please

consider purchasing the PH50B, which is specically designed

for these types of cartridges.

PH60B PHONO STAGE

USER GUIDE

Hafler

LOW CUT POWER

PH60B

LIFT

15VDC · 400mA

GROUND

LEFT RIGHTBALANCED

Hafler is a division of Radial Engineering Ltd.

OUTPUT

LEFT RIGHT

INPUT

LEFT RIGHT

PH60B PHONO PREAMP

FOR MOVING COIL

HaflerR

Hafler

LOW CUT POWER

PH60B

LIFT

15VDC · 400mA

GROUND

LEFT RIGHTBALANCED

Hafler is a division of Radial Engineering Ltd.

OUTPUT

LEFT RIGHT

INPUT

LEFT RIGHT

PH60B PHONO PREAMP

FOR MOVING COIL

HaflerR

PH60B PHONO STAGE

Haer

FEATURES

1. LOW CUT: Activates the high-pass lter to control low frequencies

2. LIFT: Ground lift on the XLR outputs to remove hum and buzz

3. POWER: Turns on the PH60B

Hafler

LOW CUT POWER

PH60B

LIFT

15VDC · 400mA

GROUND

LEFT RIGHTBALANCED

Hafler is a division of Radial Engineering Ltd.

OUTPUT

LEFT RIGHT

INPUT

LEFT RIGHT

PH60B PHONO PREAMP

FOR MOVING COIL

HaflerR

Hafler

LOW CUT POWER

PH60B

LIFT

15VDC · 400mA

GROUND

LEFT RIGHTBALANCED

Hafler is a division of Radial Engineering Ltd.

OUTPUT

LEFT RIGHT

INPUT

LEFT RIGHT

PH60B PHONO PREAMP

FOR MOVING COIL

HaflerR

PH60B PHONO STAGE

Haer

6 7 8

4. CABLE CLAMP: Secures the power supply cable

5. 15VDC: external power supply connection

6. BALANCED OUTPUTS: XLR outputs connect to a recording inter-

face or balanced HIFI system inputs

7. UNBALANCED OUTPUTS: RCA output to feed the receiver

8. GROUND LUG: For turntable to eliminate hum and buzz

9. INPUT: RCA input to connect your turntable to the PH60B

PH60B PHONO STAGE

Haer

MAGNET

COIL

STYLUS

The Haer PH60B is a combination pre-preamp and RIAA preamp that

both increases the level to accommodate the moving coil, adds in the

RIAA equalization curve and then boosts the signal so that it can be used

by a typical high delity receiver.

ABOUT THE RIAA EQUALIZATION CURVE

The Recording Institute Association of America (RIAA) gured out that in

order to reproduce a vinyl recording effectively, the high frequencies have

to be exaggerated. Upon playback, the reverse lter must then be applied

– resulting in a at and natural sound.

Moving coil cartridges produce a much

lower output than a moving magnet. In

order to bring their gain up to a useable

level, between 60 and 70dB of gain

is required. This in fact is extremely

difcult to do without introducing noise

or artefact. This is why moving coil

preamps are more expensive.

10 Hz

Preamp

Playback

Record

100 Hz 1 kHz 10 kHz

-20

-10

+10

+20

-60 dB -10 dB

Receiver Amp

Moving Coil PH60B

OVERVIEW

PH60B PHONO STAGE

Haer

SETTING LOAD FOR YOUR CARTRIDGE

The Haer PH60B is set up to accommodate various types of moving

coil cartridges. This is accomplished with a series of internal jumpers

that can be set for 25Ω, 50Ω and 100Ω plus a custom setting should this

be needed.

The PH60B comes factory set at 100Ω as this will accommodate about

90% of the cartridges used today. Your phono cartridge manufacturer

will suggest the appropriate load for its cartridge for optimal performance

– which should be found in the cartridge’s manual or web site. If your

cartridge requires a different load, simply take the cover off the PH60B

using a standard Phillips screwdriver and a HEX 5/64", carefully pull the

jumper from the 100Ω position and push it back on to the 25Ω or 50Ω

position to suit. Setting the load correctly will assure the most accurate

frequency response.

Some cartridge manufacturers may suggest a unique (specic) load to

optimize their cartridge’s performance. To address this, a fourth ‘custom’

position in the jumper section of the PCB allows a resistor to be soldered

in to suit. Simply have your dealer contact the Haer service depart-

ment with the required load and we will calculate the proper resistor. Your

dealer’s service department can then insert the part at a nominal cost to

accommodate your needs.

25 ohms

50 ohms

100 ohms

CUSTOM

25 ohms

50 ohms

100 ohms

CUSTOM

PH60B PHONO STAGE

Haer

15VDC · 400mA

GROUND

LEFT RIGHTBALANCED

Hafler is a division of Radial Engineering Ltd.

OUTPUT

LEFT RIGHT

INPUT

LEFT RIGHT

PH60B PHONO PREAMP

FOR MOVING COIL

HaflerR

L R

AUX

BD/DVD

TUNER

Turn off your system and connect the output from your turntable to

your PH60B. Make sure you use high quality coaxial cables with proper

shielding to minimize noise. It is also very important that you ensure the

ground connection from the turntable is properly and securely fastened

to your PH60B.

Using the Unbalanced Outputs

If you are connecting to a HIFI receiver use the RCA outputs on the

PH50B into a pair of line level inputs on the receiver. Do not use inputs

labeled ‘phono’ as these will apply the RIAA equalization curve a sec-

ond time, resulting in distortion and a loss of high frequencies.

Turntable

Receiver

CONNECT

PH60B PHONO STAGE

Haer

15VDC · 400mA

GROUND

LEFT RIGHTBALANCED

Hafler is a division of Radial Engineering Ltd.

OUTPUT

LEFT RIGHT

INPUT

LEFT RIGHT

PH60B PHONO PREAMP

FOR MOVING COIL

HaflerR

L R

AUX

BD/DVD

TUNER

INPUT

Using the Balanced Outputs

The balanced XLR outputs on the PH60B allow you to connect to de-

vices with balanced inputs, including some home stereo receivers, and

pro audio equipment such as recording interfaces or mixing 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

using 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 PH60B to lift the audio ground on the XLR outputs. The bal-

anced outputs on the PH60B can be set between two different outputs

levels using an internal push-switch. The default setting is +4dB with

the switch in the ‘out’ position, and -10dB with the switch pushed in.

Turntable

Receiver

PH60B PHONO STAGE

Haer

The balanced outputs on the PH60B can be set between two different

output levels using an internal push-switch. The default setting is +4dB

with the switch in the ‘out’ position, and -10dB with the switch pushed

in. To access the switch follow the instructions on pg.4 and remove the

necessary screws to open the PH60B.

Most consumer audio devices are set to operate at a -10dB line level,

while pro audio equipment such as mixing consoles and recording in-

terfaces will be set to accept a higher output +4dB level. Check with the

manufacturer of your receiving device to determine whether it operates

at -10 or +4dB.

ADJUSTING THE GAIN

OUT position

+4dB

IN position

-10dB

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