SCHEMATIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REV

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MONO/LEFT

 

 

 

 

1/4

 

 

 

 

 

 

VCCSTEREO/RIGHT

 

 

 

 

 

 

 

PHONE 1/4 R706

 

 

 

 

 

J9 C12 120PF R704 RCA PC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Date: January 25, 1996 Sheet 1 of

 

 

 

 

 

 

 

 

 

 

120PFR703 RCA PC

 

 

 

 

 

J6

 

 

PHONE

 

 

 

 

 

 

J7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEADPHONE AMPLIFIER RA53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10K

 

 

R701

10K

 

 

 

 

 

 

 

 

 

 

 

R702

10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ROLLS CORPORATION

 

 

RA53.SCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

3

 

 

 

 

 

 

 

 

5

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Size Document Number

 

 

 

 

 

 

 

 

 

 

 

 

 

R705

 

0

U7A

4

 

 

VEE

 

 

 

 

8 4560

 

 

U7B 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C11

 

 

10K

4560

 

 

 

PHONE 1/4

 

 

 

 

 

 

 

 

10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

J10

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R707

10K 10K

 

 

 

 

 

 

R710 R708

10K 10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Title

 

 

 

 

 

 

 

 

 

 

 

 

R709

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

3

 

 

 

 

 

 

8

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U8A

 

 

 

 

 

 

 

 

 

U8B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R711

47K

 

 

 

0

1

4

4560

 

VEE

 

VCC

 

4560 5

7

 

0

 

 

 

 

R712

47K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C13

10U

 

 

 

 

 

 

 

 

 

C16

10U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R407

10K

 

P4A P100K X2

 

 

P100K X2

6

 

R408

10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R507

10K

P5A P100K X2

 

 

6

P508

 

10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D9

LDSG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P4B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P5B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

3

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

3

 

P100KX2

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

4

 

 

 

 

120PF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

4

 

 

 

 

 

C? 15 NP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R57

4.7K

 

 

 

 

 

 

 

 

C7

120PF

 

 

 

 

 

 

 

 

 

 

C8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C9

120PF

 

 

 

 

 

 

 

 

 

 

 

 

C10

120PF

 

 

 

 

 

 

 

 

R1

4.7K POWER

 

 

R2

4.7K

 

 

 

 

 

 

 

 

6

 

5

 

 

 

 

 

3

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

5

 

 

 

 

 

3

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC

 

 

U4B

 

 

4560

 

 

4560

U4A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U5B 0

 

 

 

 

 

 

U5A

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R404

8

30

7

Q14

2N2907

VEE

 

0

MPSA06

1

R403

 

30

 

VEE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC

8

 

 

7

Q18

2N2907

4560

 

 

0

4560 MPSA06

 

R503

 

 

VEE

2N2907

 

 

 

 

VCC

 

C14

1K UF

C18 503

 

C15

1K UF

 

VEE

 

 

 

 

 

VCC

Q13

MPSA06

 

 

 

 

 

 

VCC

R402 Q15

 

 

 

 

 

Q16

2N2907

VEE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC

Q17

MPSA06

R504

 

30

 

 

J5 VEE

 

 

VCC

PHONE 1/4Q19

 

 

 

 

30

Q20

VEE

 

 

 

1N4001

D1

 

 

 

 

 

 

 

 

D4

1N4001

 

 

 

 

 

 

R401

10

 

PHONE 1/4

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R501 10

 

 

R502

10

 

 

 

 

D3

1N4001

 

 

 

 

 

D2

1N4001

 

 

 

 

 

 

J4

 

 

CHANNEL 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHANNEL 5

 

 

 

 

2

3

1

 

 

 

 

 

 

 

 

 

 

 

 

 

J11 PC 1/4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J12

PC 1/4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J13

 

 

 

JAPDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R107

10K

P1A P100K X2

 

 

P1B P100K X2

 

 

R108 10K

 

 

 

 

 

 

 

 

 

 

R207

10K

 

 

P2A P100K X2

 

P2B P100K X2

 

 

 

R208

10K

 

 

 

 

 

 

 

 

 

R307

 

 

 

P100K X2

 

 

P100K X2

 

R308

10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

6

 

 

 

 

 

 

 

 

 

 

2 310K

P3A

 

P3B

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

5

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1

120PF

 

 

 

 

 

 

 

 

 

 

 

C2

120PF

 

 

 

 

 

 

 

 

C3

120PF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C4

120PF

 

 

 

 

C5

120PF

 

 

 

 

 

 

 

 

 

 

 

 

C6

120PF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

5

 

 

 

 

 

0

 

 

2

 

 

 

 

 

 

 

 

 

8

6

 

5

 

 

 

 

4560

 

 

 

 

 

3

 

 

2

 

 

 

 

 

 

 

8

 

5

 

 

 

 

 

 

 

3

2

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U1B

4560

 

 

 

 

 

 

U1A

 

 

 

 

 

 

 

 

 

 

 

U2B

 

 

 

 

 

 

 

4560

1 U2A

 

 

 

 

 

 

 

 

U3B

4560

 

 

 

 

 

4560

 

U3A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC

 

6 7

 

 

 

 

 

4560

3 1

 

 

 

VEE

 

 

 

 

VCC

7

 

2N2907

 

 

 

 

 

4

VEE

 

 

VCC

 

6 7

 

 

 

 

 

1

 

VEE

 

 

 

 

 

 

 

 

 

 

 

 

VCC

 

Q1 MPSA06 R104

 

30

Q2

2N2907

VEE

 

 

 

VCC

Q3

MPSA06

 

R103

30

Q4

2N2907

VEE

VCC

 

 

 

R204

 

30

Q6

 

VEE

 

VCC

 

Q7

MPSA06

 

 

R203

 

30

Q8

2N2907

 

VCC

 

 

MPSA06 R304

30

Q10 2N2907

VEE

 

 

Q11

MPSA06

R303

30

Q12

2N2907

VEE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q5

MPSA06

 

 

 

 

 

 

 

VEE

Q9

 

 

VCC

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

R101

10

J1

 

 

 

 

 

PHONE 1/4

 

R102

10

CHANNEL 1

 

 

 

 

 

 

 

 

 

R201

10

 

 

J2

 

 

 

 

PHONE 1/4

 

R202

10

CHANNEL 2

 

 

 

 

 

 

 

 

 

R301

10

J3

 

 

 

PHONE 1/4

R302

10

 

CHANNEL 3

 

 

 

 

 

 

 

 

 

 

 

 

DESCRIPTION

FRONT PANEL

CHANNEL ONE

CHANNEL TWO

CHANNEL THREE

CHANNEL FOUR

CHANNEL FIVE

 

0

10

0

10

0

10

0

10

0

10

POWER

OUT

LEVEL

OUT

LEVEL

OUT

LEVEL

OUT

LEVEL

OUT

LEVEL

RA53

 

 

 

 

 

 

 

 

 

 

Note: Descriptions for Channel One through Channel Five are identical.

OUT: 1/4” Tip-Ring-Sleeve jack for connection to a standard pair of headphones.

LEVEL: Controls the amount of output signal from the indicated channel.

POWER LED: Indicates that the RA53 is connected to the power supply and is on.

REAR PANEL

MODEL RA53

 

RIGHT/

LEFT/

RIGHT

 

 

POWER

 

CHANNEL 2

CHANNEL 1

 

STEREO

MONO

AUX

INSERT

INSERT

12VAC

LINK

INPUT

INPUT

 

 

 

 

 

INPUTS

 

 

 

 

 

 

 

 

SERIAL NUMBER

LEFT

53-

MADE IN THE U.S.A

POWER: For connection to a Rolls PS12, or 12 VAC 300mA.

LINK: 1/4” TRS jack for connection to another RA53 LINK jack. Linking two units together provides 10 channels of monitoring from a master stereo signal, with four channels having an insert option.

RIGHT/STEREO INPUT: 1/4” TRS jack for connecting the “Right” side of a stereo signal. If used alone, a 1/4” TRS plug with the “Right” side of the program material on the tip, and the “Left” side on the ring may be connected for stereo operation.

For example, a stereo headphone output from a mixing console may be directly connected to the Right/Stereo jack via a stereo TRS cable.

LEFT/MONO INPUT: 1/4” TS jack for connecting to the “Left” side of a stereo signal. If used alone, a 1/4” TS plug with a mono signal will feed both sides of the RA53 Outputs.

AUX INPUTS: RCA input jacks for connection to a signal source such as a CD or cassette player.

CHANNEL 2 INSERT: 1/4” TRS jack for receiving a stereo signal and directly accessing Channel Two output.

CHANNEL 1 INSERT: 1/4” TRS jack for receiving a stereo signal and directly accessing Channel One output.

2

Page 3
Image 3
Rolls RA53 owner manual Schematic, Description, Front Panel, Rear Panel

RA53 specifications

The Rolls RA53 is a notable aircraft engine, renowned for its role in powering a range of aviation applications. Developed by Rolls-Royce in the latter half of the 20th century, this turbojet engine has established itself as a significant contributor to the propulsion systems of various military and commercial aircraft.

One of the primary features of the Rolls RA53 is its design, which centers around efficiency and performance. The engine utilizes a two-shaft configuration, allowing for improved thrust-to-weight ratios and enhanced operational flexibility. This design enables the engine to maintain high performance across different flight regimes, from takeoff to cruising speed.

Incorporating advanced aerodynamics, the RA53 showcases state-of-the-art compressor technology. The engine features a multi-stage axial flow compressor that increases the pressure of incoming air, maximizing the efficiency of the combustion process. This compressor is crucial for the engine’s ability to deliver optimal thrust, particularly in higher altitude operations where air density is lower.

Another significant aspect of the RA53 is its innovative fuel combustion system. Utilizing a can-annular combustion chamber arrangement, the engine is designed to ensure thorough mixing of air and fuel. This design contributes to better fuel efficiency and reduced emissions, aligning with modern aviation standards that prioritize environmental responsibility.

The Rolls RA53 also integrates advanced materials that withstand high operating temperatures. By using nickel-based superalloys in critical components, the engine is able to maintain performance under extreme conditions. This durability not only extends the service life of the engine but also reduces maintenance requirements, making it a cost-effective choice for operators.

Furthermore, the RA53 features a sophisticated digital control system that optimizes engine performance in real-time. This technology allows for better monitoring of engine parameters, enabling smarter fuel management and enhancing overall flight safety.

In summary, the Rolls RA53 exemplifies a blend of advanced engineering solutions, powerful performance, and operational efficiency. Its unique features, including its two-shaft configuration, advanced compressor design, and durable materials, make it a critical component in the aviation landscape. The innovation embedded in the RA53 reflects Rolls-Royce's commitment to excellence and leadership in aerospace technology, ensuring that the engine remains a reliable choice for various aviation applications.