1

2

3

 

4

 

5

 

6

 

 

 

7

 

8

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

LEFT CHANNEL

 

 

 

 

 

 

 

 

 

 

 

 

 

SK1

Q_1

L870C2_2.0.SCH

Q_3

+15V

 

 

 

 

 

 

 

 

 

 

 

 

LEFT IN

LEFT OUT

 

 

 

 

 

 

 

 

 

 

 

 

PHONO2HG

 

 

SK2

 

 

 

 

 

 

 

 

 

 

 

 

Q_5

 

 

 

 

 

 

 

 

 

 

 

1

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

EMC

0V_SIG

 

 

 

5

 

 

 

 

 

 

 

 

 

C1

Q_2

RIGHT CHANNEL

 

 

6

 

 

 

 

 

 

 

 

 

100N CD

 

L870C3_2.0.SCH

Q_4

Q_6

7

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT IN

RIGHT OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0V_SIG

 

 

 

AMPCT8

 

 

 

 

 

 

 

 

 

 

 

 

 

Q_7

-15V

Q_8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0V_SIG

0V_HF

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

A

PCB1

EL1

 

 

 

DRAWING TITLE

 

 

 

 

 

 

 

 

A

PCB

 

 

 

A85 PHONO STAGE - TOP LEVEL

 

 

 

 

 

 

 

 

Update Box

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L870PB_2

UPDATE_BOX

 

 

 

23425

Circuit Diagram

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

 

01_1070

JAG

17/4/01

updated pcb and scm

 

2

 

 

 

 

 

 

A & R Cambridge Ltd.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pembroke Avenue

 

 

00_1051

JAG

22/3/01

PRODUCTION ISSUE

 

1

 

 

 

 

 

 

Denny Industrial Centre

 

ECO No.

INITIALS

DATE

 

DESCRIPTION OF CHANGE

ISSUE

 

 

 

 

 

 

Waterbeach

Filename

 

Drawn by:

 

 

 

 

 

 

Cambridge CB5 9PB

 

Date Printed

23-Apr-2001

 

Sheet 1 of 3

DRAWING NO.

L870C1

 

 

 

 

 

 

G:\DATA\ECO\ECO AGENDA\01_1070 l870 A85 PHONO ISSUE2\L870_2.0.ddb - L870c1_2.0.PRJ

 

JBR

 

1

2

3

 

4

 

5

 

6

 

 

 

7

 

8

Page 8
Image 8
Arcam P35/3, FMJ A32 service manual A85 Phono Stage TOP Level

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.