Marshall Amplification 1987X-PW specifications

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1.LOUDSPEAKERNever useOUTPUTSthe amplifier without a load attached!WARNING!

There are two parallel loudspeaker output jacks provided for connection to the internal speakers or extension cabinet. Please always ensure that the amplifier's output impedance selector is set correctly (see item 2) and ALWAYS ensure you use good quality speaker (unshielded) cables. NEVER use guitar (shielded) cables.

Always use a non-screened Marshall approved speaker lead when connecting an extension cabinet to these units.

Matches2. OUTPUTthe amplifier’sIMPEDANCEoutput toSELECTORthe load (speaker) impedance.

Your 1987X-PW should be completely powered down before the Output Impedance Selector is turned.

As is the case with any Marshall all-valve amplifier it is imperative that: a) the amplifier is connected to a load whilst in operation and b) the impedance selected on the amplifier matches the total impedance of the extension speaker cabinet(s) being used. The two internal speakers are 16 Ohms each.These are wired in

parallel giving an overall impedance of 8 Ohms; therefore the output selector should be set to 8 Ohms. If an additional 8 Ohm extension speaker cabinet is used in conjunction with the internal speakers the output selector should be set to 4 Ohms.

No additional extension speaker cabinet with impedanceNote: lower than 8 Ohms should be used in conjunction with the internal speakers.

Failure to comply with any of the points raised in this section will result in damage to the amplifier.

Matches3. MAINSthe amplifier’sSELECTORmains transformer to the incoming mains voltage.

Your 1987X-PW should always be completely powered down before the mains selector is turned.

ALWAYS ensure that this rotary selector isWARNING!set to the correct mains voltage applicable for the country where the 1987X-PW is being used. If you do not know, consult your authorized Marshall dealer. Adjusting the selector from 230V to 120/100V or vice- versa will require the mains fuse (item 5) to be changed to the correct value as detailed on the rear panel.

Your4. MAINSamp is providedINPUTwith a detachable mains (power) lead, which is connected here. The specific mains input voltage rating that your amplifier has been built for is indicated on the back panel. Before connecting for the first time, please ensure that your amplifier is compatible with your electricity supply. If you have any doubt, please get advice from a qualified technician. Your Marshall dealer will help you in this respect.

The5. MAINScorrect valueFUSEof mains fuse is specified on the rear panel of the amplifier. NEVER attempt to bypass the fuse or fit one of the incorrect value.

The6. Hcorrect.T. FUSEvalue of this H.T. fuse is specified on the rear panel of the amplifier. NEVER attempt to bypass the fuse or fit one of the incorrect value.

￿Note: This equipment has been tested and found to comply with the requirements of the EMC directive (Environments E1, E2 and E3 EN 55103-1/2) and the Low Voltage directive in the E.U.

￿EUROPE ONLY - Note: The Peak Inrush current for the 1987X-PW is 26 amps.

PowerTechnicalOutputSpecification- 50W RMS Size - 740mm x 610mm x 265mm Weight - 30.2 kg

Registered Charity Numbers:

216401 & SC037717

With every 1987X-PW sold Marshall will make a sizable donation to the Childline charity. Providing help and support to those children who need it, Childline is a vital service and one that relies heavily on private donations to operate. It is with great pleasure that both Marshall and Paul Weller, through the creation of the 1987X-PW, have agreed to support a charity that has such a positive effect on those who turn to it.

DenbighMarshallRoad, Bletchley,AmplificationMilton Keynes, MK1 1DQ,plcEngland.

Tel : +44 (0)1908 375411 Fax : +44 (0)1908 376118

www.marshallamps.com

Whilst the information contained herein is correct at the time of publication, due to our policy of constant improvement

and development, Marshall Amplification plc reserve the right to alter specifications without prior notice.

BOOK-00092-00 / 12 / 08

photo © Lawrence Watson