Pioneer rg 2 owners manual

Page 1

RG DYNAMIC PROCESSOR

MPIONEER

S
3/6

OPERATING INSTRUCTIONS

SPECIFICATIONS

Semiconductors

le .................................. 4
Transistors ............................. 29
Diodes ................................ 30

Processor Section

Maximum Output Voltage .................. 6.5V
(ikHz, T.H.D.:0.5% RL247kS2, DYNAMIC
EXPANSIONII6dB)

Total Harmonic Distortion ................. 0.05%
(Outputziv, IkHz, DYNAMIC EXPANSIONzl6dB)
Dynamic Expansion .............. 4,7,10, 13,16d8
Gain
1- _
DYNAMIC -
EXPANSION 4dB 7dB lOdB i 13dB 16dB
Upward Gain +2dB +4dB +6dB +8dB +IOdB
D°.wwa'd -2dB -3dB -4d8 i -SdB -6dB
Gain
Impulse Response
Attack Time ....................... 0.3msec
Release Time ...................... I20msec
Input Impedance ............ 50kS2 (20Hz to 20kHz)

Before turning on the power, please confirm the
setting of the line VOLTAGE SELECTOR switch
on the rear panel. If it is not set properly, change
the setting of it according to the LINE VOLTAGE
SELECTOR SWITCH on page 3.

NOTE:

These operating instructions apply to two versions of the
RG-2. The RG-2/S/G model is supplied with the rack
mount adaptors as an accessory, while RG-2/S model is
not supplied with it. How to install the rack mount adap-
tors is described on page 8.

Output Impedance ................. 3009 (1 kHz)

Residual Noise ........................ 10.uV
(IHF A, DYNAMIC EXPANSION: I6dB)

Signal to Noise Ratio (IHF A, Shortcircuited, DYNAMIC
EXPANSION: I6d8)

........................... lOOdB (at 1V)
.......................... II6dB (at 6.5V)
Miscellaneous
Power Requirements ......... 110V/l2OV/220V/240V
(switchable), 50/60Hz
Power Consumption ...................... IOW
Dimensions ............. 420(W)x99(H)x336(D)mm
16-9/I6(W)x3-7/8(H)xl 3-1/4(D)in
Weight (without package) ........... 4.4kg (9lb lloz)
Furnished Parts
Connection cord with pin plugs ................. 2
Operating instructions ....................... I
Rack mount adaptors (S/G model only) ........... 2
NOTE:

Specifications and the design subject to possible modifica-
tion without notice due to improvements.

Page 2

Specifications ......................... 1
Features ............................. 2
Rear Panel Facilities .................... 3
Installation Precautions ................. 3
Connections .......................... 4
Front Panel Facilities ................... 5

CONTENTS

Operation ............................ 6
Using A Tape Deck. ..................... 6
For Maximum Enjoyment ............... 6
RG-Z Technical Outline ................. 7
Schematic Diagram ............... Insertion

Modern recording uses three dynamic control
techniques which may detract from the original
dynamic range; reduction of transient peaks, over-
all compression of loud levels and upward mani.
pulation of soft levels. The RG-2 will correct

FEATURES

Broadens Dynamic Range

The dynamic range of the music source can be expanded
by employing the RG-2 as a stereo system adaptor unit. No
preprocessing is needed and only ordinary program sources,
such as records, FM broadcasts or tape music, are required.
The dynamic range is broadened by upward and downward
expansion, resulting in a powerful and sharp rendition of
the source.This has the effect of bringing performers right
into the listening room, and especially pulsive sources such
as rock and soul are given a broad new dimension.

Preserves Natural Impression

Attack and release characteristics of the audio signal are
preserved by a fast and slow response (mixed) double ac-
tion control signal that prevents unnatural impressions in
the reproduced sound.

Noise Reduction Effect

A noise reduction effect is also included which reduces
underlying source noise. Tape hiss, motor rumble and other
background noises are reduced by the circuit properties of
this unit, so that low noise, exciting stereo sound can be en-
joyed.

Faithful Reproduction Function

The sensor section which produces the control signal is
provided with an energy distribution filter, to ensure that
the expansion function is not trigged by noise components.
However, expansion is not limited to instruments, whose
fundamental frequency is close to the center frequency of
the energy distribution filter, since all musical instruments
produce harmonics which are strongest when the instru-
ment is played hard. Hence these harmonics activate the
sensing circuit and control the degree of expansion, so

2

dynamic distrotion in each of these areas, increas-
ing the contrast and virtually restoring the original
live program. In order to obtain maximum benefit
from this unit, please read the following instruc-
tions carefully.

that lower frequency instruments are also enhanced.

Design Oriented toward High S/N and Low
Distortion

The gain control amplifier adopts low-noise differential
transistors and low-noise ICs for a signal-to-noise ratio of
lOOdB and a total harmonic distortion of 0.05%. Further-
more, the sensor section is also equipped with low-noise
transistors in order to keep the noise in the control current
down to the bare minimum.

5-Stage Dynamic Expansion Selector

The expansion in the dynamic range can be switched in
3dB steps from 4dB to 16dB with this 5-setting selector. By
combining the upward and downward expansion, it is
possible to produce the optimum expansion in the dynamic
range and also to select the expansion according to the
music source and your individual taste.

Dynamic Expansion with Fluroscan Display

Fluroscan is incorporated for the meter which indicates
the degree of the dynamic ranges expansion. This new kind
of display accurately tracks the processing action and it
allows readout of the expansion at each instant in dB.

Smart, Slimly Designed Styling

The processor has been slimly designed with the dynam-
ic expansion meter, which employs a Fluroscan display, in
the center for a clean, fresh look. The height dimension of
the front panel conforms to the EIA* standard 2U size
format. Using the optional rack mount adaptors (JA-R104),
the processor can be installed in a rack conforming to EIA
specifications.

NOTE:
The rack mount adaptors are equipped with 8/6 model as
an accessory.

*EIA: Electronic Industries Association