ELECTROCOMPANIET ECP 2 Bedienungsanleitung

ECP 2

High Performance Balanced Phono Stage

Owner's Manual

ENGLISH

Version 1.0

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ENG

Welcome to the world of Electrocompaniet!

We thank you for choosing an Electrocompaniet high-end product.

At Electrocompaniet we are relentlessly focused on developing audio

equipment that is capable of bringing the fabulous experience of the

concert hall into the very heart of your home.

Our aim when developing and testing new products is to ensure that

the wonderful richness of tone and every nuance of feeling and emo-

tion of a piece of music is delivered to you just as the artist intended.

We continually strive to give you the very best musical listening experi-

ence available whatever your preferred musical genre.

Sincerely yours

Mikal Dreggevik

CEO

ENG

Precautions

•

Before connecting the AC power cord to the appliance, make sure the voltage designation of the

appliance corresponds to the local electrical supply. If you are unsure of your power supply, contact your

local power company. The acceptable power input range is AC ~100V-240V, 50/60Hz.

•

Unplug the power cord if you are not going to use the product for an extended period of time. Hold the

power when unplugging. Do not pull on the cord.

•

To ensure proper ventilation around this product, do not place this product on a sofa, bed or rug. When

installing this product on a wall or bookshelf, you need to provide appropriate space: we recommend leav-

ing

3 - 5 cm (1 - 2 inches)

of free space at the top, the sides and the rear.

•

High temperature will lead to abnormal operation of this unit. Do not expose this unit or batteries to direct

sunlight or near other heating objects.

•

Condensation may occur when moving the ECP 2 from a cold location to a warm one, or vice versa. Should

this occur, the ECP 2 may not operate properly. In such a case please turn the unit on for 1-2 hours to facilitate

moisture evaporation.

Important Safety Instructions

1) Read these instructions.

2) Keep these instructions.

3) Heed all warnings.

4) Follow all instructions.

5) Do not use this device near water.

6) Clean only with dry cloth.

7) Install in accordance with the manufacturer’s instructions.

Do not install the unit in a small and closed rack or shelf.

8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus

(including amplifiers) that produce heat.

9) Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two

blades with one wider than the other. A grounding type plug has two blades and a third grounding prong.

The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your

outlet, consult an electrician for replacement of the obsolete outlet.

10) Protect the power cord from being walked on or pinched, particularly at plug, receptacle, and the point

where it exits from the apparatus.

11) Only use attachments/accessories specified by the manufacturer.

12) Unplug this device during lightning storms or when unused for long periods of time.

13) Refer all servicing to qualified service personnel. Servicing is required when the device has been dam-

aged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have

fallen into the device, the device has been exposed to rain or moisture, does not operate normally, or has

been dropped.

ENG

Warning:

To avoid risk of fire or electric shock, do not expose this appliance to rain or moisture. Verify line

voltage before use. Do not remove cover. No user serviceable parts inside. Refer servicing to qualified

service personal. The warranty is void if the product is tampered with by non-authorised personnel.

Use only authorized Electrocompaniet service center.

The contents of the carton

• 1 pc.

Set up procedure

Before connecting the ECP 2 phono stage to the AC Power outlet, check that the main voltage indicated

on the rear panel corresponds to the line voltage in the country were you intend to use the unit.

How to avoid damages

Do not under any circumstances connect or disconnect equipment when power is turned on. The design

of the RCA plug generates a huge transient when inserted. Connecting or disconnecting equipment with

the power on can result in severe damage to the phonostage, amplifier(s) and loudspeakers.

How to avoid noise problems

The ECP 2 phonostage contains delicate circuits that are to magnetic stray fields. The unit should not be

placed near power voltage transformers, TV sets etc. Care should also be taken regarding placement of

the interconnect and earth cable(s). Do not run interconnect and earth cable(s) in parallel with main cords

or speaker cables. Keep interconnect and earth cable(s) as short as possible.

How to avoid possible antenna problems

In some set-ups hum may occur when you connect the radio, VCR or TV to your system. The problem is

caused by DC voltage coming from your antenna. Please contact your cable network operator.

Electrocompaniet ECP 2 phono stage

AC main cord

Inspection card

Spare main fuse

Owner’s manual

ENG

Front panel

1. Power button

2. Power indicator

Rear panel connections

Connector Name Used for Connection type/Cable

1 Ground screw

Grounding wire

2 DIP switch array - Right channel

Adjusting the phono stage

3 RCA input Left/Right channel Turntable connection RCA / 75-ohm coaxial

cable

4 DIP switch array - Left channel

Adjusting the phono stage

5 XLR balanced output - Right channel Balanced Turntable

connection

XLR / balanced audio

cable

6 RCA line output Left/Right channel Unbalanced Turntable

connection

RCA / 75-ohm coaxial

cable

7 XLR balanced output - Left channel Balanced Turntable

connection

XLR / balanced audio

cable

8 AC power cord socket Input power Supplied power cable

1 2

1 2 7654

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ENG

How to connect the ECP 2 phonostage to your system

Please read this page carefully and refer to page 5 as reference.

Single ended RCA input and GND screw

The RCA input connects the phono cartridge through the arm cable and fixed or detachable RCA

interconnects, to your ECP 2 phono stage. Be sure to use high quality shielded interconnect cables

for this purpose.

In addition, most turntables is equipped with a separate grounding wire. This connects the earth

plane of the turntable chassis, the tone arm and the phono cartridge to the earth plane (GND) of

the phono stage. As a default, connect the grounding wire (if there is one) to the phono stage, but

be aware that in some (very rare) instances you may experience less noise (hum) with the ground-

ing wire detached.

Single ended RCA output

The RCA output connects your ECP 2 phono stage to your line stages, pre amplifier, or integrated ampli-

fier. Use a high quality interconnect cable for best result. If your line stage, pre amplifier or integrated

amplifier have a XLR input option, use the optional XLR output instead, for better sound quality.

The ECP 2 has a fixed (high) output, so DO NOT connect it directly to a power amplifier. This may

cause damage to your power amplifier and loudspeakers.

Balanced XLR output

The XLR output connects your ECP 2 phono stage to your line stages, pre amplifier, or integrated

amplifier. Use a high quality interconnect cable for best result.

The balanced output can only be used with line stages, pre amplifiers and integrated amplifiers

that have this input option. Use an XLR interconnect with GND on pin 1, + on pin 2 and – on pin

3. If your line stage, pre amplifier or integrated amplifier does not have a XLR input option use the

optional RCA output instead.

The ECP 2 has a fixed (high) output, so DO NOT connect it – directly - to a power amplifier. This

may cause damage to your power amplifier and loudspeakers.

How to power up your system

You should always power up your system the following way: Signal sources (CD players, tuners

DACs, phono stages etc.) first. Then turn on line stage / preamplifier / integrated amplifier. Finally

turn on potential power amplifier(s).

When switching off your system

Follow the procedure for powering up in reverse. Start by turning off potential power amplifier(s),

then turn off line stage / preamplifier / integrated amplifier before finally turning off signal sources.

ENG

Adjusting the ECP 2 phono stage for best performance

The ECP 2 phono stage is built to work with a majority

of the phono cartridges made today. High- and low-out-

put Moving Coil (MC), Moving Magnet (MM), Moving

Micro Cross (MMC) and Moving Iron (MI) cartridges will

all work well with this unit. To give every different car-

tridge optimal working conditions the ECP 2 phono stage

is highly adjustable. All adjustments can be performed

on the DIPswitch array (mouse piano) on the rear panel.

Operating the DIPswitch array

A DIPswitch is a small mechanical switch. It is often placed together with other DIPswitches, in an array.

On the ECP 2 there are two arrays of 12 switches, one for each channel. In the down position the

switch is ON and in the up position the switch is OFF. It is not easy to operate the DIPswitches with

your fingers, so some sort of pencil should be used. There are actually special tools for this purpose,

but a pencil or a pen will do the job just as well.

A tip before we get started

Since all the variable settings are located in the DIPswitch array on the rear panel of the phono stage, it

is practical to place the ECP 2 so you have access to these switches, during the initial “tuning” period.

If the phono stage is to be placed in a rack, simply place it with the rear panel pointing to the front of

the rack. Make sure to turn the volume all the way down, or change the input on your line stage / pre

amplifier / integrated amplifier, when operating the DIP swiches!

When you are content with the settings and the sound quality of your turntable playback system, simply

turn the phono stage back around. And enjoy!

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ENG

Gain settings - DIPswitches 10 - 11 -12

The output of different phono cartridges may vary a lot. There are low output moving coil car-

tridges with as little as 0,05 mV output and there are high output moving magnet cartridges with

up against 10,00 mV output. The ECP 2 will work with both of these extremes, and everything in

between. With cartridges having very low output, you simply have to crank up the volume on your

amplifier a little more.

“To find the amplification factor (ratio) you need - divide 1,0 V RCA (2,0 V XLR) (to match most

modern line sources) with the output of your cartridge. Go for the closest gain setting (above (if your

line stage can handle the voltage) or below) that result.”

Example: If your cartridge have an output on 2,2 mV –

you will need; 1,0 V / 2,2 mV = 454 x amplification.

Go up to 944x/59,5 dB gain, or down to 372x/51,4 dB.

The phono stage will then amplify the signal to:

2,2 mV x 944x = 2,08 V (RCA) or

2,2 mV x 372x = 0,81 V (RCA).

The gain of the ECP 2 phono stage is set by adjusting the tree DIPswitches labeled GAIN (number

10 - 11 -12) on the back of your unit. With these tree switches, you may get a variety of different

gain settings. (For XLR output – add 6 dB gain).

Gain

Amplification

factor (ratio)

DIPswitch 10

( +20 dB)

DIPswitch 11

( -10 dB)

DIPswitch 12

( -5 dB)

71,4 3.715 x X - -

66,4 2.089 x X - X

61,4 1.175 x X X -

59,5 944 x X X X

51,4 372 x - - -

46,4 209 x - - X

41,4 120 x - X -

39,8 98 x - X X

X = ON (Down) - = OFF (Up)

Resistance loading (RL) - DIPswitches 4 - 5 - 6 - 7 - 8 - 9

Like output, the internal resistance of cartridges may vary a lot. Check the cartridges specifications

sheet for the cartridges internal resistance/coin resistance in Ohms, and the manufacturer’s recom-

mendations for loading in Ohms.

Theoretically a cartridge should “be loaded” with an input resistance 10 -20 times greater than its own

internal resistance / coin resistance. The input resistance, divided by the output resistance of the source,

is called damping factor. Like all things theoretical, this setting may not necessarily give you the best

sound quality - or the sound quality you are looking for. Some cartridges sound better with a dampening

factor greater than 20. Fortunately, you may “play around” with the resistance settings without causing

damage to the cartridge or the phono stage. Find the setting that suits you the best.

The resistance loading (RL) of the ECP 2 phono stage is set by adjusting the six DIPswitches labeled

RL (number 4 - 5 - 6 - 7 - 8 - 9) - on the back of your unit. With six DIPswitches - and six fixed val-

ues of resistors - you get a variety of different usable settings:

ENG

Resistance

Ω (Ohm)

DIPswitch 4

(2k7 Ω)

DIPswitch 5

(H/L)

DIPswitch 6

(47 Ω)

DIPswitch 7

(100 Ω)

DIPswitch 8

(220 Ω)

DIPswitch 9

(470 Ω)

47.000 - -

2.553 X -

832 - X - - - -

786 - X X - - -

636 X X - - - -

618 - X - X - -

609 X X X - - -

573 - X X - X -

521 - X - X X -

503 X X - X - -

475 - X X X X -

473 X X X - X -

437 X X - X X -

404 X X X X X -

384 - X - - - X

336 X X - - - X

328 - X X - - X

292 X X X - - X

275 - X - X - X

250 X X - X - X

211 X X X X - X

229 - X X X - X

156 - X - - X X

147 X X - - X X

110 - X X - X X

106 X X X - X X

56 - X - X X X

55 X X - X X X

10 - X X X X X

10 X X X X X X

X = ON (Down) - = OFF (Up)

For high output cartridges, the standard input resistance (RL) - set by the “Recording Industry

Association of America (RIAA)” - is 47 kOhms. This value will work very well with a large majority of

the Moving Magnet (MM), Moving Iron (MI), Moving Micro Cross (MMC) and high output Moving Coil

cartridges out there. However, some cartridges especially high output MCs and some MMCs will sound

better with a harder (lower) resistance loading. The ECP 2 is therefore equipped with an optional 2,5k

Ohm loading on its MM input.

The input resistance (RL) for high output cartridges is set by adjusting the DIPswitch labeled MM RL 4.

DIP 5 is set in the OFF position to disables the low value resistor array - so the setting of DIP 6 - 7 - 8 -

9 becomes without importance. Se the top two lines in the table above.

ENG

Capacitance loading (CL) - DIPswitches 1 - 2 - 3

To compensate for the high inductance in MM, MI and MMC cartridges, arm cables and intercon-

nect cables (that will cause peaks in the high frequency range), the ECP 2 is equipped with capaci-

tive loading on its input. Check the cartridges instruction manual for the recommended setting for

your cartridge. Like the resistor loading above, the capacitive loading is a subjective setting. You

may “play around” with the capacitive loading without causing damage to the cartridge or the

phono stage. Find the setting that suits you the best.

With DIPswitches 1, 2 and 3 one can adjust the input capacitance from 0 to 350 pF (picoFarad).

Low output cartridges using low resistance loading do not need to be capacitance loaded. In these

cases, set capacitance to zero (DIP 1-2-3 = OFF).

Capacitance

DIPswitch 1

(50 pF)

DIPswitch 2

(100 pF)

DIPswitch 3

(200 pF)

0 - - -

50 X - -

100 X -

150 X X -

200 - - X

250 X - X

300 - X X

350 X X X

X = ON (Down) - = OFF (Up)

Using your ECP 2 phono stage

Press the power button on the front panel to turn the unit on. The blue E power indicator will ignite.

Press the power button one more time to turn the unit off.

The phono stage will sound slightly better after a warm up period, so do not turn it off for short

pauses in your listening. Some users leave their phono stages turned on permanently, but we recom-

mend turning the unit off when leaving the residence.

Thank you for your attention.

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Power button

Power indicator

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