Fostex RM-1 Operating Manual

RM-1 Rack Mount Monitor

Operations Manual

Contents:

Safety Warning…………………….......…………………..PG 2

Product Description…………………………….....……….PG 3

Operations………………………………………….......…..PG 4

Specifications…………………………………………….…PG 6
Declaration of EC Directive…………………………...…..PG 7

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK).

NO USER - SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

"WARNING"

"TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR
MOISTURE."

CAUTION:

TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF
PLUG TO WIDE SLOT, FULLY INSERT.

ATTENTION:

POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE
LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE
CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU'
AU FOND.

The lightning flash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of
uninsulated "dangerous voltage" within the product's enclosure
that may be of sufficient magnitude to constitute a risk of electric
shock to persons.

The exclamation point within an equilateral triangle is intended
to alert the user to the presence of important operating and
maintenance (servicing) instructions in the literature
accompanying the appliance.

SAFETY INSTRUCTIONS

1. Read Instructions - All the safety and operating instructions
should be read before the appliance is operated.

2. Retain Instructions - The safety and operating instructions
should be retained for future reference.

3. Heed Warnings - All warnings on the appliance and in the
operating instructions should be adhered to.

4. Follow Instructions - All operating and use instructions should
be followed.

5. Water and Moisture - The appliance should not be used near
water - for example, near a bathtub, washbowl, kitchen sink,
laundry tub, in a wet basement, or near a swimming pool, and
the like.

6. Carts and Stands - The appliance should be used only with a
cart or stand that is recommended by the manufacturer.

An appliance and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may cause
the appliance and cart combination to overturn.

7. Wall or Ceiling Mounting - The appliance should be mounted to
a wall or ceiling only as recommended by the manufacturer.

8. Ventilation - The appliance should be situated so that its location
or position dose not interfere with its proper ventilation.
For example, the appliance should not be situated on a bed,
sofa, rug, or similar surface that may block the ventilation
openings; or, placed in a built-in installation, such as a bookcase
or cabinet that may impede the flow of air through the ventilation
openings.

9. Heat - The appliance should be situated away from heat sources
such as radiators, heat registers, stoves, or other appliances
(including amplifiers) that produce heat.

10. Power Sources - The appliance should be connected to a power
supply only of the type described in the operating instructions or
as marked on the appliance.

11. Grounding or Polarization - The precautions that should be taken
so that the grounding or polarization means of an appliance is
not defeated.

12. 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, paying particular attention to cords
at plugs, convenience receptacles, and the point where they
exit from the appliance.

13. Cleaning - The appliance should be cleaned only as
recommended by the manufacturer.

14. Nonuse Periods - The power cord of the appliance should be
unplugged from the outlet when left unused for a long period of
time.

15. Object and Liquid Entry - Care should be taken so that objects
do not fall and liquids are not spilled into the enclosure through
openings.

16. Damage Requiring Service - The appliance should be serviced
by qualified service personnel when:

A. The power supply cord or the plug has been damaged; or
B. Objects have fallen, or liquid has been spilled into the appliance; or
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate normally or

exhibits a marked change in performance; or

E. The appliance has been dropped, or the enclosure damaged.

17. Servicing - The user should not attempt to service the appliance
beyond that described in the operating instructions.
All other servicing should be referred to qualified service
personnel.

The new RM 1 is the ideal solution for moni toring needs in tight industrial
environments. The RM 1, is the perfect speaker for machi ne rooms, VTR
monitoring, surveillance, mobile and stationary control rooms, theme park
applications or any other situation where moni toring is needed and space is tight.

The unit is a 1 rack space high industrial design, utilizing robust construction for
around the clock operation. The aluminum front panel has a mul t itude of user
options so that the audio output may be configured f or t he appl ication at hand.

The RM 1 employs a unique new driver technology that makes this unit’s
frequency response outstanding, considering the li m i ted spaced enclosure.

RM 1 Features…

* Two stereo balanced +4 inputs with (4) XLR/ 1/4” Neutrik combo connectors.
*High intensity multi colored LEDs for mode tallies.
*On board electronic matrix sw i t chi ng f or:

L Channel only, R Channel only, Mono, Stereo and Mute.
*Front panel stereo Gain control.
*Front panel Headphone jack with gain cont rol; mutes speakers when used.
*A/B input select switch.
*Signal Presence Indicator that changes with intensity of audio input.
*Multi line frequency conversion possible wi t h on- board 3 voltage t r ansf ormer.
*2x 15-watt into 8 ohms ampli f i ers.
*Special designed drivers providing 100hz-15K frequency bandwidth.
*Rear panel power sw i t ch.
*Robust construction wi t h ease of servici ng access.
*Rated for 24-hour operation.
*IEC power connector.
*Fuse protected.

3

Fostex would like to thank you for purchasing the RM-1 rack
mount monitor. The RM-1 was designed for industrial 24 hour
use. The RM-1 utilizes the latest technology in both speaker
drivers and electronic circui tr y. Please be sure to read through
this manual to get familiar with the operation of the various
controls and connections.

*Please read the safety instructions included within this manual
* Make sure the voltage selector on the rear panel is selected for the

line frequency of the country where it will be used.

The RM-1 should be rack mounted with 4 screws to fully support the chassis
when installed in a equipment rack. The unit may get warm to the touch when in
operation. The RM-1 was designed for 24 operation with thermal factors taken
into consideration.

Rear panel description and connections.

Remove the safety strip from the AC power cord receptacle, only after checking
the voltage selector on the rear panel, is set to your proper line frequency.

The Power switch is located next to the AC receptacle.
The RM-1 has 2 stereo left and right inputs designated as Input A and Input B.

This configuration allows the user to monitor two different stereo sources within
one RM -1 unit.

The input combo connectors can take either balanced XLR connectors or .25
TRS phone connectors. When using an unbalanced TRS type connector, the
RM-1 will auto sense this conne ction and change the input sen sitivity accordin gly.

Pin 2 is hot, Pin 1 is shield and Pin 3 is neutral on the XLR jack.
Tip is hot, Ring in neutral, Sleeve is shield when using the .25 phone jack.
The RM-1 is fully shielded to prevent interference with video monitors or VTR

machines.
4

FRONT PANEL

The front panel of the RM-1 monitor is basically self explanatory.

The A/B Input Selector selects the A stereo group or B stereo group to output to
the drivers or headphone jack. The up position selects the A input, the down
position selects the B input.

The .25 stereo Headphone jack can be used with all available types of
headphones with ample sensitivity giving the user the necessary volume in loud
machine room environments. When using headphones, the drivers are muted.

The Dual Concentric Volume control can be used to adjust the left or right
inputs independently. The front portion of the control adjusts the left channel and
the rear portion of the control adjusts the right channel input volume.

The Mode Selector is of the momentary variety and selects the various output
modes, high intensity multi colored LED’s tally the function selected:

Mute The audio is muted for both the drivers and the headphone
output.

L Ch. The left channel is output through both drivers.
Mono The left and right channels are output monaurally.
Signal Indicates signal presence at the input jacks. The LED flashes with

the input amplitude.

Mute Indicates that the inputs are muted.
R Ch. The right channel is output to both drivers.

Note: when the unit is configured for stereo, both the left and right
channel LED’s will be lit.

Note: There are no user serviceable parts inside.

5

RM–1 Product specification

Input impedance:……………………….…..Combo XLR input 78K balanced
Input Impedance:……………………….…..Combo Phone input 20K balanced
Max input level:……………………………..Combo XLR +24 dBu balanced
Max input level:……………………………..Combo phone jack + 13.8 dBV

(+15.8 dBu balanced)
Common mode rejection ratio:………..…..40 dB typical @ 60 HZ
Nominal input level:…………………….…..Combo XLR + 4 dBu
Nominal input level:………………………...Combo phone jack -10 dBV (-8.2 dBu)

Power output each power amplifier:……....15 watts into 8 ohms @ 1 kHz

@ 0.03% THD Both channels driven.
Power output each headphone output:…...10mW into 50 ohms @ 1 kHz

@ 0.06% THD Both channels driven.

Sensitivity Combo XLR input:……………… 82 dB SPL @ 1m @-10dBu (Volume Max)

Stereo Mode 500 to 2kHz band limited
pink noise input.

Sensitivity Combo Phone Input:………....... 82 dB SPL @ 1m @-24dBV (Volume Max)

Stereo Mode 500 to 2kHz band limited
pink noise input.

Frequency Response:…………………….. 100 Hz to 20 kHz
Input Signal Led Threshold:…………….… -20 dBu
Signal to Noise ratio:……………………..… 90 dB

Physical Dimensions:…………………….... 19”W x 1.75”H x 10”D

Weight:…………………………………….… 10 lbs.
6

Declaration of EC Directive

This equipment is compatible with the EMC Directive (89/336/EEC) - Directive on approximation of member
nation's ordinance concerning the electromagnetic compatibility and with the Low Voltage Directive (73/23/EEC)

- Directive on approximation of member nation's ordinance concerning electric equipment designed to be used
within the specified voltage range.

The Affect of Immunity on This Equipment

The affect of the European Specification EN50082-1 (coexistence of electromagnetic waves - common
immunity specification) on this equipment are as shown below.

* In the electrical fast transient/burst requirements, radiate electromagnetic field requirements and static electricity
discharging environment, this could be affected by generation of noise in some cases.

FOSTEX DISTRIBUTORS LIST IN EUROPE

* Including non-EU countries.
* underlined: contracted distributors (as of August, 2000)

<AUSTRIA>

NAME: ATEC Audio-u. Videogeraete VertriebsgesmbH.
ADD: Im Winkel 5, A-2325 Velm, Austria
TEL: [phone], FAX: [phone]

<BELGIUM>

NAME: EML Sound Industries NV
ADD: Bijvennestraat 1A, B3500 Hasselt, Belgium
TEL: [phone], FAX: [phone]

<DENMARK>

NAME: SC Sound ApS
ADD: Malervej 2, DK-2630 Taastrup, Denmark
TEL: [phone], FAX: [phone]

<FINLAND>

NAME: Noretron Oy Audio
ADD: P. O. Box 22, FIN-02631 Espoo, Finland
TEL: [phone], FAX: [phone]

<FRANCE>

NAME: Musikengro
ADD: ZAC de Folliouses, B. P. 609, 01706 Les Echets, France
TEL: [phone], FAX: [phone]

<GERMANY>

NAME: Studio sound & Music GmbH
ADD: Industriestrasse 20, D-35041 Marburg, F. R. Germany
TEL: [phone], FAX: [phone]

<GREECE>

NAME: Bon Studio S. A.
ADD: 6 Zaimi Street, Exarchia, 106.83 Athens, Greece
TEL: [phone], FAX: [phone]

<ICELAND>

NAME: I. D. elrf. electronic Ltd.
ADD: ARMULA 38 108 REYKJAVIK, ICELAND
TEL: [phone], FAX: [phone]

<THE NETHERLANDS>

NAME: IEMKE ROOS AUDIO B. V.
ADD: Kuiperbergweg 20, 1101 AG Amsterdam, The
Netherlands
TEL: [phone], FAX: [phone]

<NORWAY>

NAME: Siv. Ing. Benum A/S
ADD: P. O. Box 145 Vinderen, 0319 Oslo 3, Norway
TEL: [phone], FAX: [phone]

<PORTUGAL>

NAME: Caius - Tecnologias Audio e Musica, Lda.
ADD: Rua de Santa Catarina, 131 4000 Porto, Portugal
TEL: [phone],
FAX: [phone]

<SPAIN>

NAME: Multitracker, S. A.
ADD: C/Garcilaso No.9, Madrid 28010, Spain
TEL: [phone], FAX: [phone]

<SWEDEN>

NAME: Professional Television AB
ADD: Kavallerivagen 24, 172 48 Sundbyberg, Sweden
TEL: [phone], FAX: [phone]

<SWITZERLAND>

NAME: Audio Bauer Pro AG
ADD: Bernerstrasse-Nord 182, CH-8064 Zurich, Switzerland
TEL: [phone], FAX: [phone]

<UK>

NAME: SCV London
ADD: 3A 6-24 Southgate Road, London N1 3JJ, England, UK
TEL: [phone], FAX: [phone]

<ITALY>

NAME: General Music S. p. A.
ADD:Via delle Rose, 12 S. Giovanni M. (RN), Italy
TEL: [phone], FAX: [phone]