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C31/P35/P1

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C31/P35/P1

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Amplifier Gain Switch (P1)

This switch is to allow the gain of the P1 amplifier to be changed to suit your system requirements.

With the switch in,

 the gain is set to standard ARCAM gain of 31.5dB. This is the normal setting, 

which allows the P1 to be used in systems where there are other ARCAM power amplifiers (excluding 
the Arcam P7).

With the switch out,

 the gain is set to ‘THX standard gain’. Use this setting if your P1 is to be used in 

systems containing amplifiers with THX gain (for example, the Arcam P7).

Daisy chaining

Both the P35 and the P1 can be connected to further power amplifiers to drive more speakers (e.g., 
those in other rooms, tri-amplified speakers, etc). This technique is called ‘Daisy chaining’. 
Connect the 

AUDIO OUT

 sockets on the P35/P1 to the pre-amp. input of the next amplifier in series, left 

to left, right to right.

Remote switching

By making a connection from the 

TRIG OUT

 socket of the C31 pre-amp. to the 

REMOTE IN

 socket of 

your P35/P1, you can use the C31 to switch the power amplifier on and off. If configured in this way, 
the front panel 

POWER

 button of the C31 (or the 

POWER

 button on the remote control) switches both 

amplifiers on and off together. This facility allows you to position your power amplifier in a remote 
location (such as close to the speaker it is amplifying), yet still control it.
The connecting cable to use is a 3.5mm jack lead, wired as given on page 5. It is possible to connect 
several power amplifiers to a C31 by ‘daisy chaining’ from the 

TRIG OUT

 of one power amplifier into the 

REMOTE IN

 of the next.

Содержание C31

Страница 1: ...Pre Amplifier C31 Power Amplifier P35 Power Amplifier P1 ...

Страница 2: ...ble These are Class 1 devices and must be earthed 10 Power cord protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them Pay particular attention to cords and plugs and the point where they exit from the unit 11 Grounding Ensure that the grounding means of these products is not defeated 12 Power lines Locate any outd...

Страница 3: ...necting to other equipment E 4 Connecting to a power supply E 5 Switching the C31 on E 6 Changing the volume E 6 Selecting an audio source E 6 Using your C31 pre amplifier E 6 Recording an audio source E 7 Listening using headphones E 7 Product configuration E 7 Configuring your C31 pre amplifier E 8 Introduction E 8 Adjusting listening settings E 8 Using the remote control E 9 Installation P35 an...

Страница 4: ...inputs bl DVD This input is intended for use with a DVD player Connect the stereo audio outputs of your DVD player to these sockets bm AV This input is intended for use with general audio visual equipment such as a VCR digital TV satellite receiver or Nicam tuner Connect the analogue audio outputs of the device to this input bn TUNER Intended for use with a radio tuner bo CD Intended for use with ...

Страница 5: ...ntended for use in multi room installations TRIG OUT This output provides a 12V signal whenever the unit is switched on i e not off or in stand by This signal can be used to switch on power amplifiers or other equipment connected to the C31 as they will come on when the C31 is activated This is useful if the power amplifier is remote from the C31 or otherwise difficult to access REMOTE IN This all...

Страница 6: ...d to select the source that is connected to the input corresponding to the button A light above the relevant button indicates which input is selected and this information will also be shown on the display TAPE To listen to the device connected to the tape input press the TAPE button Note that two source lights will be illuminated when the TAPE button is pressed the tape light itself together with ...

Страница 7: ... VCR to TAPE but not from TAPE to VCR For example to copy from a cassette recorder connected to the VCR socket to a cassette recorder connected to the TAPE socket first use the RECORD button as explained above and select Record VCR This routes the VCR signal to the TAPE output Listening using headphones The headphone socket bl accepts headphones with an impedance rating between 8Ω and 2kΩ fitted w...

Страница 8: ...ls of volume control sensitivity the Reference setting gives absolute increments in 0 5dB steps Input Trims Input trims are used to compensate for variations in output levels of different source equipment If for example your CD player is louder at a given volume display value than other inputs you can attenuate it by using this setting so that it matches your other components Use the source select...

Страница 9: ... Power Stand by Toggles the C31 between stand by mode and full power mode The power indicator light on the front panel is red if the C31 is in stand by amber while it is powering up this takes only a few seconds and green when the C31 is operational SP1 and SP2 These buttons are for use with the P35 amplifier to allow you to select and deselect the main SP1 and secondary SP2 sets of speakers attac...

Страница 10: ...e of connection that should be used Mono Link P35 The P35 can be adapted to provide two mono loudspeaker outputs from a single input Pull out the link supplied on the back panel labelled link and use it to connect the L and R AUDIO OUT sockets together Using one power amplifier per loudspeaker will enable you to bi amplify bi wireable loudspeakers as described on the following page Follow the inst...

Страница 11: ...rs etc This technique is called Daisy chaining Connect the AUDIO OUT sockets on the P35 P1 to the pre amp input of the next amplifier in series left to left right to right Remote switching By making a connection from the TRIG OUT socket of the C31 pre amp to the REMOTE IN socket of your P35 P1 you can use the C31 to switch the power amplifier on and off If configured in this way the front panel PO...

Страница 12: ... are quite happy with single wiring however we recommend that you use the lower sets of speaker terminals labelled SP1 on the P35 in this case Similarly if your speaker has more than one pair of connecting terminals use the terminals labelled LF or Low Frequency on the speaker For the P35 connect the positive terminal of the right speaker connection on the amplifier coloured red and labelled R to ...

Страница 13: ...uching each other or the amplifier s chassis which could cause short circuits and that you have connected positive to positive and negative to negative Be sure to check the wiring for both the amplifier and the speaker After making connections switch the amplifier s on select a source signal then gradually increase the volume to the required listening level If you are unsure as to how your system ...

Страница 14: ...nds before checking to see if the fault has cleared If the fault clears within six seconds the unit continues operation otherwise the unit shuts itself down In the case of a thermal fault the unit waits until its sensor temperature lowers before resuming operation If the amplifier has shut itself down you should unplug the amplifier and leave it for a few minutes before reconnecting If the fault c...

Страница 15: ...al sensitivity 250mV 2V 800mV Input impedance 22kΩ 22kΩ Signal noise ratio CCIR 113dB 110dB Power amplifier input Nominal sensitivity 800mV 906mV Arcam gain Input impedance 22kΩ 22kΩ Gain 31 5dB 31 5dB Arcam gain Preamplifier output Nominal output level 700mV Maximum output level 8V RMS Output impedance 50Ω Headphone output Maximum output level into 600Ω 5V Output impedance 4 7Ω General Mains volt...

Страница 16: ...al Code VCR select 16 6 Mute 16 13 CD select 16 7 Volume up 16 16 AUX select 16 8 Volume down 16 17 The following tables give commands accepted by the P35 Power commands Speaker control commands Command Decimal Code Command Decimal Code Power toggle 16 12 Speaker 1 toggle 16 35 Power on 16 123 Speaker 2 toggle 16 39 Power off 16 124 Speaker 1 on 16 43 Speaker 1 off 16 44 Speaker 2 on 16 45 Speaker...

Страница 17: ...n to switch the unit on Guarantee Worldwide Guarantee This entitles you to have the unit repaired free of charge during the first two years after purchase at any authorised Arcam distributor provided that it was originally purchased from an authorised Arcam dealer or distributor This period can be extended to five years if the completed registration card is returned to Arcam Arcam can take no resp...

Страница 18: ...PEMBROKE AVENUE WATERBEACH CAMBRIDGE CB5 9QR ENGLAND www arcam co uk Issue 1 SH163 ...

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