Quad II Eighty Owner's Manual

Owner’s Manual

Quad Electroacoustics Ltd, IAG House,
Sovereign Court, Ermine Business Park,

Huntingdon PE29 6XU

England

www.quad-hifi.co.uk

Tel: [phone] Fax: [phone]

Monobloc Valve Power Amplifier

SERVICE & INFORMATION

Authorised QUAD Service Centres in the U.K. and North America

www.quad-hifi.co.uk

If your QUAD equipment requires servicing (including valve replacement) you should return
it to the dealer from whom the equipment was purchased.

If you are abroad and there is no suitable dealer in your area, please contact the distributor
for the country in which it was purchased or QUAD Electroacoustics Ltd.

It is user's responsibility, whether the equipment is under warranty or otherwise, to ensure
that equipment for service is returned carriage paid and in the original packaging. You
should enclose a brief note with your name and address and the reason for returning the
equipment.

For information on authorised service centres worldwide contact QUAD Electroacoustics Ltd. A worldwide distributor
list is available on the QUAD website:

SPECIFICATIONS

Monobloc valve power amplifier

Input sensitivity (nom) 1V RMS for full output

Power output 80W RMS

Output Impedance 4 Ohms or 8 Ohms, selectable

THD at 80 Watts 0.2% - 1kHz

0.5% - 30Hz to 15Khz

1.0% - 20 to 20 Khz

Residual hum and noise Better than -94 dB

Frequency response 10 Hz to 30 KHz +0 -0.5 dB

3Hz to 50 Khz -3dB

Damping factor 16 at 1 kHz (referred to 8 Ohms)

Power consumption 240VA maximum

Valves 2 x 6SL7, 1 x 6SN7, 4 x KT88

Important Safety Precautions - Please Read Carefully!

U.K.

QUAD Electroacoustics Ltd.
IAG House, Sovereign Court,
Ermine Business Park,
Huntingdon,
Cambs PE29 6XU,
England.
Tel:[phone]
Fax:[phone]

QUADII eighty Manual 0405 Issue 1

Warning: To reduce the risk of fire or electrical shock,

IMPORTANT SAFETY INFORMATION

do not expose this product to rain or moisture. The

Read these instructions.

product must not be exposed to dripping and splashing

Keep these instructions.

and no object filled with liquids such as a vase of flowers

Heed all warnings.

should be placed on the product.

Follow all instructions.

No naked flame sources such as candles should be

Do not use this apparatus near water.

placed on the product.

Clean only with dry cloth.

Caution: Changes or modifications not expressly
approved by the manufacturer could void the user's

Do not block any ventilation openings.

authority to operate this device.

Install in accordance with the manufacturer's

Warning: The mains power switch for this appliance is

instructions.

located on the side panel. To permit free access to this

Do not install near any heat sources such as radiators,

switch, the apparatus must be located in an open area

heat registers, stoves, or other apparatus (including

without any obstructions.

amplifiers) that produce heat.

IMPORTANT NOTICE TO UK USERS

Do not defeat the safety purpose of the polarized or

The appliance cord is terminated with a UK approved

grounding type plug. A polarized plug has two blades

mains plug fitted with a A fuse. If

with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The wider
blade or the third prong are provided for your safety. If
the provided plug does not fit into your outlet, consult
an electrician for replacement of the obsolete outlet.

Protect the power cord from being walked on or
pinched, particularly at plugs, convenience receptacles,
and the point where they exit from the apparatus.

Use only attachments/accessories specified by the
manufacturer.

Use only with a cart, stand, tripod,
bracket, or table specified by the
manufacturer, or sold with the apparatus.
When a cart is used, use caution when
moving the cart/ apparatus combination
to avoid injury from tip-over.

Unplug this apparatus during lightning storms or when
unused for long periods of time.

Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug
is damaged, liquid has been spilled or objects have
fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally,
or has been dropped.

10 the fuse needs to be
replaced, an ASTA or BSI approved BS1362 fuse rated at
10A must be used. If you need to change the mains plug,
remove the fuse and dispose of this plug safely immediately
after cutting it from the cord.

Connecting a Mains Plug

The wires in the mains lead are coloured in accordance
with the code: Blue: NEUTRAL Brown: LIVE: Green
and Yellow: Earth. As these colours may not correspond
to the coloured markings identifying the terminals in your
plug, proceed as follows:
The BLUE wire must be connected to the terminal
marked with the letter N
or coloured BLUE or
BLACK. The BROWN
wire must be connected to
the terminal marked with
the letter L or coloured
BROWN or RED. The
GREEN & YELLOW
wire must be connected to
the terminal marked with the letter E or coloured
GREEN or GREEN & YELLOW or marked with the
Earth Symbol

TO REDUCE THE RISK OF ELECTRIC SHOCK

DO NOT REMOVE COVER (OR BACK)

NO USER-REMOVEABLE PARTS INSIDE

REFER SERVICING TO QUALIFIED PERSONNEL

CAUTION!

RISK OF ELECTRIC SHOCK

DO NOT OPEN

ADVERTISSEMENT: RISQUE DE CHOC ELECTRIQUE-

NE PAS OUVRIR

This symbol indicates that
dangerous voltage constituting a
risk of electric shock is present
within this unit.

This symbol indicates that there
are important operating and
maintenance instructions in the
literature accompanying this unit.

GREEN

&

YELLOW
(EARTH)

BLUE

(NEUTRAL)

(LIVE)

BROWN

FUSE

(10 A)

USA

Taiga LLC
310 Tosca Drive
Stoughton,
MA 02072
Tel: [phone]
Fax: [phone]
Email: [e-mail]