PMC Twenty 5.22i White Silk, Twenty 5.21i White Silk, Twenty 5.22i Walnut, Twenty 5.22i Oak, Twenty 5.22i High Gloss Black web-twenty5-i-manual-feb20-lr_2 (1).pdf

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User guide

Hand built by

IMPORTANT

Warranty

Please take a few moments to complete the warranty card at the

back of this booklet or register at www.pmc-speakers.com (click on ‘register

a product’). This records the purchase of your loudspeakers and provides you,

the customer an opportunity to make suggestions and provide feedback

directly to PMC. To gain your 20 warranty your product must be registered with

us within 10 days of purchase.

YEARS

Product Support

For product support, accessories or servicing advice, please contact

a PMC authorised retailer – See www.pmc-speakers.com.

THE PROFESSIONAL MONITOR COMPANY LIMITED

HOLME COURT, BIGGLESWADE, SG18 9ST, UK

T +44 (0) 1767 686300

sales@pmc-speakers.com

www.pmc-speakers.com

UNRIVALLED

twenty year warranty

Ref No: 1086

PMC Stock Code: 17092

twenty5.21i in Diamond black

WHAT DRIVES US

At PMC, we believe that music is what really matters; it’s

what moves us and gives us the passion for what we do.

It’s relatively easy to create loudspeakers that colour or atter music

— but that has never been our way. The quest for sonic neutrality and

transparency has always been PMC’s obsession, using advanced

engineering to reproduce music as vividly and faithfully as possible. Our

designs are involved in every stage of music-making, from the recording

studio to listening at home. From this experience, we know exactly how

to present music as transparently as possible, just as the artist intended.

As we like to say, loudspeakers are where science meets art — we take

care of the science so you can connect with the art.

Oliver Thomas, Chief Technical Ofcer

Peter Thomas, Owner &

CONGRATULATIONS – YOU HAVE JOINED THE ELITE

Stevie Wonder

ESPN

BBC

Tony Bennett

Apple

EMI

SONY

Coldplay

You have joined the elite. You’re a

PMC user.

Our loudspeakers can be found in all

the world’s best listening environments,

from audiophile living rooms to

internationally renowned recording,

mastering, broadcast and post-

production studios. Our Emmy-award-

winning systems are used to create

everything from smash Hollywood

soundtracks to hit albums by artists

including Coldplay, Kraftwerk, Elton

John and Adele, as well as audiophile

jazz and classical recordings on

Deutsche Grammophon, Decca,

Philips and Harmonia Mundi.

Whether you listen to our speakers in

world-class studios in LA, London, Berlin

or Tokyo, or in your favourite listening

room at home, you will hear the music

exactly as the artist intended it.

UNIVERSAL MUSIC GROUP

Thomas Newman

Afrojack

Kraftwerk

Royal College of Music

Warner Music

Pinewood Studios

Capit Studios

elbow

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CONTENTS

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General usage guidelines

PMC’s ATL

Laminair

Our meticulous attention to detail

Unpacking

Installing the resonance-absorbing plinth bars

Dedicated twenty5i series stands

Connections - plugging them in

Running in or breaking in

Positioning

Fine tuning for perfect bass

Stereo set up

Surround sound specic set up

Ideal 5.1 surround sound set up

(Advanced Transmission Line)

Ideal 7.1 surround sound set up

Service

Specications

Warranty on-line

Warranty certicate – Part 1 – Your copy

Warranty certicate – Part 2 – Our copy

Help us improve – Your comments

Inspection certicate

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GENERAL USAGE GUIDELINES

Tip

Read these instructions and keep them in a safe place for future reference.

Heed all electrical safety warnings, including any on the loudspeakers themselves.

Do not use the loudspeakers near water.

The cabinet should only be cleaned with a dry, lint-free, cloth. Do not use solvents,

abrasives, waxes or liquids as they may be detrimental to the nish.

Four soft, self-adhesive feet are included with the twenty5.Ci. These can be

attached to the base of the unit to provide vibration-free operation.

Floor spikes are sharp; treat with great care during installation and use.

Do not install near any heat sources such as radiators, ovens or other equipment

that produce excessive heat.

Unplug this product from both source and power during electrical storms, or when

unused for extended periods of time.

Packing material can pose danger to the young and vulnerable. Ensure these

items are kept or disposed of safely.

High volume audio signals, however short their duration, have the potential to

cause hearing damage. Use care when setting the system volume level to ensure

playback sound pressure levels remain within safe comfortable limits.

Do not attempt to service the equipment. There are no user serviceable parts

inside. Please refer all servicing to PMC authorised personnel.

Servicing is required when the apparatus is damaged, exposed to moisture,

or exhibits a distinct or sudden change of operation or audio performance.

PMC has made efforts to provide accurate installation information and good

quality xings. PMC will not be held responsible or liable for injuries or property

damage – direct, indirect or consequential – arising out of use or inability to use

this product safely and properly.

twenty5i loudspeakers contain very powerful magnets and therefore may have

a detrimental effect if left in close proximity to magnetically sensitive items.

Do not use the Laminair vent as a grip to lift the loudspeaker as this may result in

damage.

Advanced Transmission Line

Tip

The source of PMC’s legendary natural and wholly

realistic sound is the Advanced Transmission Line

(ATLTM) bass-loading technology.

ATLTM is an ingenious design which uses energy

generated by the bass unit in a much more

intelligent and efcient way than speaker designs

based on ported or sealed boxes.

In ATLTM loudspeakers, the highly braced cabinet

is lined with a multitude of custom-designed

acoustic materials that absorb all but the very

lowest frequencies. These are guided to exit from

a vent on the front-panel, extending the low-

frequency response and creating the impression

of a far larger speaker with an extra, ultra-high

quality bass unit.

improves more than just the bass response:

ATL

because the low end is clean and clear it doesn’t

mask the rest of the music. Vocals in particular,

are beautifully projected and ultra-vivid.

ATLTM loudspeakers offer another benet. The ATLTM

bass extension does not change with volume

level – so even when listening quietly the bass

sounds balanced and well dened.

This cross-sectional view of the twenty5.24i

loudspeaker shows the ATL

arrangement and the unique Laminair

cabinet

vents

Our loudspeaker performance has been taken to

the next level with the addition of the Laminair

aerodynamic vent.

The ATLTM design involves air moving under pressure

at high speeds, and PMC’s Head of Design, Oliver

Thomas was able to apply aerodynamic principles

transferred from his previous industry, Formula 1 to

the ATLTM concept.

The result is the unique LaminairTM aerodynamic

vent which creates an even smoother, laminar

airow at the exit from the transmission line.

This innovative solution reduces turbulence

and drag at the ATLTM vent, reducing resistance,

increasing efciency, eliminating air noise, and

provides bass with supreme timing and the

ultimate dynamic range.

‘Nothing else comes close to the clarity, timing, and dynamics.’

OUR METICULOUS ATTENTION TO DETAIL

All PMC loudspeakers are designed and hand-built in the U.K. using individual

components that are matched to our reference model; this includes the structural

integrity of every cabinet and the testing and recording of each component.

This guarantees it will be within our strict tolerances and ensures your purchase

sounds identical to the original design. Each completed loudspeaker then

undergoes a set of objective and subjective measurements - frequency response

sweeps ensure that the design meets our exacting performance criteria, and

then listening tests are conducted against the reference model using a wide

variety of material, from a benchmark BBC speech test to classical music,

pop and rock.

Computers don’t tell the full story. As well as a full frequency analysis, we listen to each speaker we make and run a benchmark BBC speech and music test on every single one.

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UNPACKING

Please retain your packaging for future use as all PMC

cartons are durable, reusable and can be employed

to safely transport your loudspeakers should they be

relocated or returned for servicing.

Much of the packing is constructed from recyclable

materials, so if you are to dispose of it please do so in an

environmentally friendly manner.

Packing materials can pose danger to animals, the

young and vulnerable. Ensure these items are kept or

disposed of safely.

TAKE CARE WHEN UNPACKING – THERE ARE DELICATE

TERMINALS ON THE REAR OF THE CABINET

Re-packing

When re-packing all twenty5i series

models ensure the grilles are in their

protective bags and attached to

the cabinet.

STEADY THE LOUDSPEAKER CABINET WHILE REMOVING THE CARTON

Re-packing

When re-packing all twenty5i

series models ensure the grilles

are in their protective bags and

attached to the cabinet.

TAKE CARE WHEN UNPACKING – THERE ARE DELICATE

TERMINALS ON THE REAR OF THE CABINET

INSTALLING THE RESONANCE-ABSORBING

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PLINTH BARS

Plinth bars and spikes are provided to enhance performance and stability. They

attach to the base of each speaker using M8 bolts and are isolated from both the

cabinet and oor by isolator rings of a very specic compliance.

Ensure isolator rings are placed in the rebates in the plinth bars.

Place an isolator ring over each mounting hole on the base of the cabinet.

Place the plinth bars on the speaker ensuring all the holes are aligned and

ready to take the M8 bolts.

Locate the M8 bolts and tighten them gently using the Allen/hex key provided

until they are seated but not tightened.

Once the bolts are all seated, tighten each bolt carefully by half a turn. Do not

over-tighten the bolts. Over-tightening will reduce the effect of the resonance-

absorbing material and the performance of the speaker.

Fully thread each spike through the plinth bar. The spikes can then be attached

to the plinth; they should point upwards whilst the cabinet is inverted.

Re-invert the loudspeaker so that the spikes and plinth bars are at the bottom.

Once in position, level the loudspeaker by adjusting each spike in turn.

Caution: The spikes are sharp, treat

them with care; they may damage

hard ooring if in direct contact.

We have included pucks to protect

sensitive or hard ooring.

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DEDICATED STANDS

The twenty5i series compact models are designed

to offer exceptional clarity while taking up minimal

space, and can be used either on stands or within

audio/video furniture.

However, they will realise their optimum

performance when used in conjunction with PMC’s

dedicated high-mass stand that positions them at

the ideal height and with complete stability.

Stand Features

• Unique, damped, 3-layer sandwich construction.

• Mass ll-able – sand or shot.

• Built-in cable management.

• Essential to complete the dynamic twenty5i series look.

Stand Dimensions

H 599mm +25mm spikes

W 229mm

D 364mm

CONNECTIONS

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Plugging them in

Caution

To avoid potential damage, please ensure that your power amplier(s) or

receiver is turned off before connecting or disconnecting your loudspeakers.

Cable & connectors

When selecting cables for use with your twenty5i

that their construction is of a high enough standard to withstand the rigors of

everyday use and that they are suitably terminated. While bare wire can be

accommodated by the twenty5i series binding posts, we recommend the use

of either spade lugs or 4mm ‘banana’ plugs in order to maintain an electrical

connection of the highest integrity and avoid the possibility of short circuits.

Please consult your dealer for more information regarding cable lengths and

termination options.

series loudspeakers, ensure

Do not use tools to tighten the binding posts

Polarity + &

It is of vital importance to observe the polarity markings and maintain

positive-to-positive and negative-to-negative connections from amplier

or receiver to the loudspeaker. The twenty5i series terminals are colour-coded to

aid in their identication: positive terminals are red, negative terminals are black.

–

50+ hours to run-in

RUNNING IN OR BREAKING IN

HOURS

When loudspeakers are new they will take time to reach their full potential.

It is often debated whether any solid-state equipment, such as CD players

or transistor-based power ampliers change with use, but the characteristics

of mechanical devices such as loudspeakers do alter and improve their

performance signicantly after a short ‘running in’ period.

The science is simple; as the soft material surrounding the dome or woofer

cone is exed it will eventually reach a point where it has optimum compliancy

allowing the drive unit to move more freely. This translates to greater accuracy

and speed of attack in the bass region and the mid and high frequency

produces a far more vivid audio picture. This short ‘running in’ period takes

approximately 50 hours of normal use.

POSITIONING

Positioning

With their unique

low distortion and smooth bass roll-off, PMC loudspeakers are more forgiving of

difcult room conditions and placement constraints than conventional designs

so you will be able to achieve a superb sound throughout the room with little

effort. We do encourage you to spend some time experimenting in your own

room in order to achieve the very best results. Remembering that small changes

in location can often inuence system performance.

Room shape, size, construction and interior decoration vary immensely and

therefore inuence sound in different ways. The following guidelines are

suggestions for the starting point to locate your new speakers. Fine-tuning of their

positioning can start from here.

Advanced Transmission Line design, wide dispersion, ultra

ATLTM

Tip

POSITIONING

• Place the speaker so the front face is slightly forward of any large object

that protrudes into the room – eg. a replace, bookcase or television.

TIP – See stereo set up diagram

• Ensure that stereo pairs of loudspeakers are equidistant from the listening

position.

• It is best to position the front left/right pair (and centre channel loudspeaker

if you have a surround system) at the same height, usually at ear-level when

seated at the listening position.

TIP – If any of the speakers are mounted above or below ear level, then angle

the speaker towards the listening position.

• The distance between your left/right speakers and the listening position should

ideally be equal. As a general rule, the width of the audio picture will be narrow

if the speakers are too close together. If they are too far apart the picture will

be wide but there will be less central denition.

TIP – Use a well recorded vocal track to judge the ideal spot.

• To enhance the audio picture/soundstage and sound balance, the speakers

can be angled/toed-in. With the speakers facing straight ahead play a well

recorded vocal track. Gradually toe-in both speakers by small increments (max

5° at a time) (see stereo set-up diagram) until the voice is vivid and centrally

placed. You can ensure this is best position by going ‘one step too far’ then

returning. Then, use a track with extended high frequencies such as cymbals,

check that they sound clear but not overpowering. If they sound too loud or

harsh subtly toe the speakers out by very small increments until you achieve the

ideal balance; then repeat both listening tests to conrm.

TIP – A simple, well-recorded band with vivid vocals will help to nd the best

position.

FINE TUNING FOR PERFECT BASS

Tip

Bass / LF (Low Frequency adjustment)

Solid boundaries (i.e. walls, ceilings and oors) reect sound and help to contain

it within a room. They make a speaker sound louder the closer they are to them,

especially in the low frequency (bass) region.

This diagram shows the areas, that if a speaker is positioned, will either increase

or decrease bass – The darker the shading the more bass will be heard.

Placing the speakers in the corners will generate the most bass, and in the centre

of the room, the least bass.

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STEREO SET UP

Tip

SURROUND SOUND SPECIFIC SET UP

5.1 Systems

The twenty5i series has been designed for perfect multi channel music or movie

playback and the following diagrams display the ideal layout for the speakers.

TIP – No doubt the constraints of room size and shape will vary the distances from

the listener to the speakers. Therefore use of the time alignment function of

your surround processor will be important.

TIP – The guidance given in the ‘Stereo set up’ and ‘Fine tuning for perfect

bass’ also apply to the set up of a surround system.

7.1 Systems

In a system capable of full 7.1 Dolby

Blu-ray™ or HD DVD™ playback there will be two sets of surround speakers.

The rst pair should be positioned at 100º and the second set at 150º. (The centre is

considered 0º while directly to the rear of the room is 180º). See Ideal 7.1 surround

set up diagram.

Digital Surround EX™, DTS® ES™,

Other Immersive Surround Formats

DTS:X™, Dolby Atmos™, Auro 3D

– we have models to suit every format.

With our vast array of product options it is easy to create a bespoke state-

of-the-art home cinema to take full advantage of the latest surround

sound formats, regardless of the number of channels or placement of the

speakers. In addition to the choices from the twenty5i series we produce in-

wall and on-wall ci series models and both active and passive subwoofers.

See www.pmc-speakers.com for more information.

Dolby® Digital Surround EX™ and Dolby Atmos are registered trademarks of Dolby® Laboratories

DTS® ES™ and DTX:X™ are registered trademarks of DTS®, Inc

Auro 3D® us a registered trademark of Aurio Technologies

Blu-ray™ is a trademark of the Blu-ray™ Disc Association

HD DVD™ is a trademark of the DVD Format/Logo Licensing Corporation (DVD FLLC)

IDEAL 5.1 SURROUND SET UP

Tip

TIP – Four soft, self-adhesive feet are included with the twenty5.Ci. These can be

attached to the base of the unit to provide vibration-free operation.

IDEAL 7.1 SURROUND SOUND SET UP

Tip

For the Dolby Atmos™ system height channels are required. We produce a range

of products to accommodate this. See www.pmc-speakers.com

SERVICE

Tip

We are condent your twenty5i loudspeakers will afford many years of trouble-

free listening of the highest order. B ut in the unlikely event that one or more requires

repair, our unique manufacturing procedure, wherein the precise value of each

component together with the response of the system as a whole is recorded,

will ensure that any replaced parts will exactly match the performance of those

originally included within each individual loudspeaker.

For any issues that might arise, or for advice and service requirements, the primary point

of contact should be your knowledgeable and authorised PMC dealer/distributor.

If you do not have a local representative please see www.pmc-speakers.com

and click on ‘where to buy’.

Alternatively you can view our FAQ’s (Frequently Asked Questions) and servicing

section on our website. (Click on the contacts section and select FAQ).

Important Note: Please do not return any products to PMC directly

without rst contacting our service department.

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SPECIFICATIONS

Freq response 46Hz – 25kHz

Sensitivity 86.5dB 1W 1m Recommended amp power 30 - 150W

Effective ATL™ 1.72m (5.6ft)

Impedance 8 Ohm

Drive units LF PMC 5.5” / 140mm long-thro w g-weave™ cone with

cast alloy chassis

HF PMC/SEAS®, 19mm twenty 5i series, SONOMEX™ fabric

soft dome, Ferrouid cooled, with 34mm surround and

dispersion grille

Crossover freq 1.7kHz

Input connectors 1 pair custom, PMC, Rhodium plated 4mm binding posts

Dimensions H 340mm (13.4”)

W 162mm (6.4”)

D 284mm (11.2”) including binding posts (+ 9mm grille)

Weight 6kg (13.2lbs)

Freq response 39Hz – 25kHz

Sensitivity 89dB 1W 1m

Recommended amp power

Effective ATL™ 2m (6.5ft)

Impedance 8 Ohm

Drive units LF PMC 6.5” / 170mm long- throw g-weave™ cone with

cast alloy chassis

HF PMC/SEAS®, 19mm twenty 5i series, SONOMEX™ fabric

soft dome, Ferrouid cooled, with 34mm surround and

dispersion grille

Crossover freq 1.7kHz

Input connectors 1 pair custom, PMC, Rhodium plated 4mm binding posts

Dimensions H 410mm (16.1”)

W 192mm (7.6”)

D 373mm (14.7”) including binding posts (+ 9mm grille)

Weight 10kg (22 lbs)

30 - 200W

SPECIFICATIONS

Freq response 28Hz – 25kHz

Sensitivity 86.5dB 1W 1m

Recommended amp power

Effective ATL™ 2.4m (7.8ft)

Impedance 8 Ohm

Drive units LF PMC twenty 5i series 5.5” / 140mm long-throw

g-weave™ cone with cast alloy chassis

HF PMC/SEAS®, 19mm twenty 5i series, SONOMEX™ fabric

soft dome, Ferrouid cooled, with 34mm surround and

dispersion grille

Crossover freq 1.7kHz

Input connectors 1 pair custom, PMC, Rhodium plated 4mm binding posts

Dimensions H 907mm (35.7”) +20mm spikes

W 162mm (6.4”) 238mm including plinth bars

D 330mm (13.0”) + 9mm grille

Weight 15kg (33 lbs)

30 - 150W

Freq response 27Hz – 25kHz

Sensitivity 89dB 1W 1m Recommended amp power 30 - 200W

Effective ATL™ 3m (9.8ft)

Impedance 8 Ohm

Drive units LF PMC 6.5” / 170mm long- throw g-weave™ cone

with cast alloy chassis

HF PMC/SEAS®, 19mm twenty 5i series, SONOMEX™ fabric

soft dome, Ferrouid cooled, with 34mm surround and

dispersion grille

Crossover freq 1.7kHz

Input connectors 1 pair custom, PMC, Rhodium plated 4mm binding posts

Dimensions H 1015mm (40.0”) +20mm spikes

W 192mm (7.6”) 275mm including plinth bars

D 419mm (16.5”) + 9mm grille

Weight 23kg (50.6lbs)

SPECIFICATIONS

Freq response 27Hz – 25kHz

Sensitivity 86dB 1W 1m Recommended amp power 50 - 300W

Effective ATL™ 3.3m (11ft)

Impedance 8 Ohm

Drive units LF PMC 6.5” / 170mm long- throw g-weave™ cone with

cast alloy chassis

MF PMC 50mm twenty 5i series dome mid-range

HF PMC/SEAS®, 19mm twenty 5i series, SONOMEX™ fabric

soft dome, Ferrouid cooled, with 34mm surround and

dispersion grille

Crossover freq 400Hz, 4kHz

Input connectors 1 pair custom, PMC, Rhodium plated 4mm binding posts

Dimensions H 1040mm (40.9”) — +20mm spikes

W 192mm (7.6”) — 275mm including plinth bars

D 439mm (17.3”) — +15mm grille

Weight 25kg (55.1 lbs)

Freq response 45Hz - 25kHz

Sensitivity 90dB 1W 1m Recommended amp power 30 - 200W

Effective ATL™ 1.8m (5.9ft)

Impedance 6 Ohm

Drive units LF 2 x PMC twenty 5i series 5.5” / 140mm long-throw

g-weave™ cone with cast alloy chassis

HF PMC/SEAS®, 19mm twenty 5i series, SONOMEX™ fabric

soft dome, Ferrouid cooled, with 34mm surround and

dispersion grille

Crossover freq 1.7kHz

Input connectors 1 pair custom, PMC, Rhodium plated 4mm binding posts

Dimensions H 174mm (6.9”)

W 554mm (21.8”)

D 314mm (12.4”) incl. binding posts — + 9mm grille

Weight 11kg (24.3lbs)

Tip

WARRANTY ONLINE

your 20 year warranty

Visit pmc-speakers.com and click on

If you do not have access to the internet ll in the warranty

form found on pages 35 & 36 and post it to us.

Tip

WARRANTY CERTIFICATE - PART 1

Your Copy

to KEEP

Please complete and retain this page for your own records

Product

Serial nos

Date of purchase

Dealers name

Dealers address

Town

County

Postcode

Dealers telephone no

Servicing and warranty issues – Please read the following carefully.

Non UK clients: Contact your local dealer/distributor for the details of warranty repairs - see www.pmc-speakers.com and click on ‘where

to buy’ for their details.

UK clients: In the unlikely event of a fault occurring with your The Professional Monitor Company Limited (PMC) product rstly contact your

dealer where the product was purchased.

Do not return a product to PMC without rstly contacting our technical dept. If the product must be returned for service you will be issued

with a ‘Returns Authorisation Number’.

If a product is returned to PMC and subsequently is found to have no fault or a non-warranty fault it will be subject to a minimum of £50.00

plus the carriage for its return.

Proof of purchase is required for any claim covered by this warranty.

This product is warranted for a period of 20 years from the date of purchase or upon receipt of ‘our copy’ overleaf or on-line registration

within ten days of purchase or receipt.

The warranty covers defects due to faulty materials or workmanship but does not cover defects arising from accidental damage,

misuse or wear and tear. The warranty is void if any attempt has been made by persons not authorised by PMC to dismantle,

repair or modify any part of the product.

Products must be returned using original packing material. This warranty does not cover damage in transit.

Note that the cost of the carriage to PMC is not covered by the warranty.

Returned products that are defective that are covered by warranty will be repaired or replaced at the discretion of PMC.

Allow minimum of 14 working days for return of warranty repairs.

This warranty does not effect your consumer rights under statutory law. This warranty is only valid in the United Kingdom.

Tip

WARRANTY CERTIFICATE - PART 2

Our Copy

Please complete and return this section to us – or simply complete the online

registration at www.pmc-speakers.com and click on register product.

Product

Serial nos

Date of purchase

Purchased from

Your name

Your email address

Your address

Town

County

Postcode/Zip code

Help us improve

our products

see over

Tip

YOUR COMMENTS – HELP US IMPROVE

Your comments

If there is one thing we should change, what would it be?

We value all our client’s comments. Please take a moment to help us improve:

Please tell us how your new PMC’s perform. Your comments may appear on

the customer quotes section for this product on our site. N.B. Don’t worry the

comments will be anonymous; your personal details will not appear.

What magazines do you read?

HiFi Pro Lifes style Online

HiFi Choice Future Music T3 mixonline.com

What HiFi Sound on Sound Stuff gearslutz.com

Stereophile Audio Media GQ avreview.co.uk

HiFi World Pro Sound News EVO techradar.com

HiFi Critic Resolution FHM HiFi WigWam.com

HiFi News Audiofanzine Shortlist What HiFi.com

HiFi+ IBE Maxim

Gramophone Tape Op Esquire Other

Other Other Other

We hope you enjoy your latest purchase as much as we enjoyed designing

and building them - Thank you.

the-ear.net

Tip

INSPECTION CERTIFICATE

Every component that appears in a PMC product is measured, tested, matched

and recorded by hand. This analysis also applies to the nal product we build to ensure

you receive an identical replica of the reference model.

Crossover matching

Enclosure nish

Assembly & Wiring

Driver installation

Enclosure seal

Level - frequency

Impedance - frequency

Pair matching

Listening test 1

Listening test 2

Final inspection

Accessory pack

User Guide

All the above has been carefully checked by the builder of your twenty5i series

loudspeakers detailed on the front of this user guide.

This document should not be construed as a commitment on the part of The Professional Monitor Company Limited

(PMC). The information it contains is subject to change without notice. PMC assumes no responsibility for errors that

may appear within this document. Information subject to change.

ATL , twenty5i, g-weave, and Laminair are trade marks of The Professional Monitor Company Limited.

CE Conformity PMC passive loudspeakers conform to CE Directive LVD 73/23/EEC and EMC 89/336/EEC.

WEEE European directive - PMC is a member of a National Compliance scheme and have gained the associated

certication of compliance and the following registration number from the Environment Agency WEEE/GJ0101WU

WEEE EU Directive

This symbol on the product or in/on its packaging indicates that this product must not be disposed of with other

household waste. It is the responsibility of the owner to dispose of waste equipment via a designated collection

point for the recycling of waste electrical and electronic equipment. The recycling of your waste equipment is an

attempt to conserve natural resources and ensures that it is recycled in a manner that protects human health and

the environment. For more information about where you dispose of your waste equipment for recycling, please

contact your local waste/recycling authority or the dealer from whom you purchased the product.

Ref No. 1086 - Feb20

PMC Stock Code: 17092

T + 44 (0) 1767 686300

sales@pmc-speakers.com

www.pmc-speakers.com

PMC Twenty 5.22i White Silk, Twenty 5.21i White Silk, Twenty 5.22i Walnut, Twenty 5.22i Oak, Twenty 5.22i High Gloss Black web-twenty5-i-manual-feb20-lr_2 (1).pdf

Specifications and Main Features

Frequently Asked Questions

User Manual