1

 

 

 

 

2

 

 

 

3

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

D302

 

 

 

 

 

D304

 

 

 

 

 

 

 

 

 

 

 

 

 

BAS16W SM

 

 

 

Z301

BAS16W SM

 

 

 

 

 

 

 

 

 

 

 

 

 

Q305

 

+15V

 

LM317T

 

 

 

 

+5V

 

 

 

 

 

 

 

 

 

2SA1964

 

+15V3

I

Vin

 

Vout

O

 

 

+5V

D

SK300

 

 

 

 

 

 

 

Q306

 

 

 

ADJ

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOLEXPWR4

 

 

 

 

UR+

 

 

BC846B

 

 

 

 

 

D305

 

R303

 

 

 

 

 

D300

D301

 

 

Q300

 

 

 

 

 

A

 

BAS16W SM

470R SM

 

 

 

 

 

S1D

 

S1D

+ C300

J112

 

 

 

C304

 

 

+3.75V

 

 

 

 

 

4

3

 

 

 

 

 

1000u 35V

 

 

 

 

 

 

 

 

 

 

 

 

F300

 

 

 

 

 

 

 

 

100N SM

 

 

 

 

 

 

 

AC1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R300

 

 

+

 

 

 

R302

 

 

 

+ C306

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

330R SM

D310+

 

C303

 

 

 

1K2 SM

 

 

470U EL 25V

 

2

1

T2A SM

C307

C308

 

 

 

 

D310

3300u 25V

 

 

 

C305

 

 

 

 

 

 

 

 

 

 

 

 

 

R307

10U EL

 

 

 

 

 

 

 

470N PE

100N SM

 

 

 

 

15V 350MW SM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C314

+ C302

 

 

 

 

220R SM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1N0 PP

220U EL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C309

 

 

 

+ C312

 

 

 

 

 

 

 

+15V

SK301

 

 

 

 

 

 

 

 

C315

 

 

 

 

 

 

 

 

1

 

C

 

 

F301

AC2

100N SM

 

 

220U EL

D311

 

 

 

 

 

 

 

2

C

 

 

 

 

 

 

 

1N0 PP

 

15V 350MW SM

 

 

 

0V_PSU

 

 

3

 

 

 

 

 

 

 

 

 

 

 

+ C313

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-15V

 

4

 

 

 

 

T2A SM

 

 

 

 

 

 

 

 

3300u 25V

 

 

 

0V_PSU

IDC4S

 

 

 

 

 

 

 

 

 

 

Q303

D311-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J112

 

 

 

 

 

 

0V_MODULE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D306

D307

+

C310

R304

 

 

 

 

SP300

 

0V_PSU

 

 

 

 

 

 

 

S1D

 

S1D

 

1000u 35V

330R SM

 

 

 

 

STAR POINT 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q307

 

 

 

 

 

 

0V_SIG

 

 

 

 

 

 

 

 

 

 

UR-

 

 

BC856B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-15V3

 

0V_HF

0V_MODULE

 

 

 

 

 

 

 

 

 

 

 

 

Q301

 

 

-15V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2SC5248

 

 

 

 

 

 

0V_SIG

 

 

 

 

 

 

 

 

 

 

 

 

D308

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

BAS16W SM

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DRAWING TITLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Integrated amplifier preamp - power supply

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

23425

 

Notes:

Circuit Diagram

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

01_E014

JBR

28/11/01

Fuses uprated to 2A

 

 

 

 

 

 

 

 

A & R Cambridge Ltd.

 

 

 

 

 

1.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pembroke Avenue

 

 

 

 

01_1142

JBR

14/8/01

First production release

 

 

1.0

 

 

 

 

 

 

Denny Industrial Centre

 

 

ECO No.

INITIALS

DATE

 

 

DESCRIPTION OF CHANGE

 

ISSUE

 

 

 

 

 

 

Waterbeach

 

Filename

 

 

Drawn by:

 

 

 

 

 

 

 

Cambridge CB5 9PB

 

 

Date Printed

 

 

Sheet 3 of 3

DRAWING NO.

L937C3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JBR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J:\Change_Control\ECO_AGENDA\01_E014 Fuse changes on A32 preamp\L937_1.1.ddb - Documents\Schematic\L937C328-Nov-2001_1.0.SCH

 

 

 

 

 

 

 

 

 

1

 

 

 

 

2

 

 

 

3

 

 

 

 

 

 

4

 

Page 43
Image 43
Arcam FMJ A32, P35/3 service manual Integrated amplifier preamp power supply

FMJ A32, P35/3, P35 specifications

The Arcam P35 is a high-performance power amplifier that has gained recognition among audiophiles and home theater enthusiasts alike for its exceptional sound quality and robust build. Designed to deliver superior audio performance, the P35 is a testament to Arcam’s commitment to engineering excellence and innovative technology.

One of the standout features of the Arcam P35 is its Class G amplification technology. This unique design offers the efficiency of Class D amplifiers while maintaining the warm, rich sound that Class A amplifiers are known for. By utilizing two sets of output transistors for different power levels, the P35 provides additional power when needed without compromising sound quality at lower volumes. This results in remarkably low distortion levels and an impressive dynamic range, making it suitable for everything from subtle acoustic tracks to explosive movie soundtracks.

The P35 is capable of delivering 120 watts per channel into 8 ohms, and an even more powerful 240 watts per channel into 4 ohms. Such power ensures that it can drive even the most demanding speakers with ease. Moreover, the amplifier features both balanced and unbalanced inputs, providing flexibility for various audio setups. The balanced XLR connections help to minimize noise and signal degradation for a clearer sound, particularly in professional settings.

In terms of build quality, the Arcam P35 boasts a robust chassis that minimizes resonance and vibration. The solid construction not only enhances durability but also contributes to an overall cleaner sound. The component selection is top-notch, utilizing high-quality capacitors and transistors designed to withstand the rigors of constant use while delivering exceptional audio fidelity.

An additional characteristic worth noting is Arcam's emphasis on user-friendly design. The P35 features a straightforward layout, allowing for easy setup and operation. It is also equipped with an LED status indicator that provides visual feedback on the amplifier's operational state.

Overall, the Arcam P35 is a powerful and sophisticated amplifier that excels in delivering an immersive audio experience. With its advanced Class G technology, versatile connectivity options, and exemplary build quality, the P35 stands out as an ideal choice for both stereo and home theater applications. Whether you're a casual listener or a serious audiophile, the Arcam P35 is sure to impress with its musicality and performance. Through meticulous engineering and attention to detail, Arcam has successfully created an amplifier that meets the high expectations of audio enthusiasts around the world.