BRZHIFI PAM-4174 Class AB Integrated Amplifier 2 Channel (2.0)

BRZHIFI PAM-4174 Class AB Integrated Amplifier 2 Channel (2.0) – Classic Retro Sound with Modern Precision

The BRZHIFI PAM-4174 Class AB Integrated Amplifier 2 Channel (2.0) is a specially tuned audiophile amplifier designed for users who appreciate classic warm sound, vintage engineering philosophy, and authentic musical reproduction. Available at Audio Phonic, this amplifier is built using carefully selected Japanese dismantled components, Sanyo STK thick film technology, and retro-inspired circuit tuning, making it a unique choice for serious music lovers.

If you are looking for a retro-style Class AB integrated amplifier in Bangladesh, the PAM-4174 delivers a nostalgic sound signature combined with stable modern performance.

Classic Sanyo STK Thick Film Sound Philosophy

The BRZHIFI PAM-4174 is based on the legendary Sanyo STK4174MK2 thick film amplifier module, part of a historic audio engineering legacy.

Sanyo Semiconductor (now part of ON Semiconductor) is known for:

• High-efficiency analog design

• Advanced thick film technology

• Precision semiconductor manufacturing

• High-end audio integration systems

These STK modules were widely used by famous audio brands such as:

• Sony

• Pioneer

• Kenwood

• JVC

• Sansui

• Panasonic

• Aiwa

This makes the PAM-4174 part of a legendary audio lineage that defined classic hi-fi sound for decades.

Retro Sound Character with Emotional Musicality

Unlike modern ultra-analytical amplifiers, the BRZHIFI PAM-4174 focuses on musical warmth and emotional sound reproduction.

Its sound signature includes:

• Soft and natural midrange

• Warm and smooth treble

• Rich and full bass response

• Vintage analog-style tonality

This creates a listening experience that feels:

• Relaxing

• Emotional

• Nostalgic

• Musical

It is especially loved by users who enjoy old-school hi-fi sound reproduction.

Authentic Japanese Disassembled Components

One of the most unique aspects of this amplifier is the use of:

• Japanese dismantled EI transformer

• Carefully selected original components

• Recycled high-grade audio parts

These components are known for:

• Strong durability

• Stable performance

• High-quality sound behavior

Each unit is carefully assembled using real industrial-grade components, ensuring authenticity in sound performance.

STK4174MK2 Thick Film Amplifier Module

The amplifier uses:

• Sanyo STK4174MK2 chip (new batch stock)

This chip is an upgraded version of the classic STK series and provides:

• Stable Class AB performance

• Smooth audio response

• Natural sound reproduction

Key specifications of the chip:

• Output power: 40W + 40W @ 8Ω

• THD: approx 0.4%

Although not designed for extreme power output, it focuses on sound purity over raw numbers.

Balanced Class AB Performance

The PAM-4174 operates in:

• Class AB working mode

• Quiescent current: 80mA

This ensures:

• Reduced crossover distortion

• Balanced efficiency and sound quality

• Stable thermal performance

It is ideal for users who want clean analog sound with controlled efficiency.

Natural and Smooth Sound Output

The amplifier is tuned to deliver:

• Smooth mid frequencies

• Soft high frequencies

• Controlled low-end response

This makes it ideal for:

• Vocal music

• Jazz

• Classical music

• Old-school recordings

The sound is intentionally designed to feel like a vintage analog amplifier experience.

Wide Frequency Response for Natural Detail

The BRZHIFI PAM-4174 supports:

• Frequency response: 20Hz – 50kHz

This ensures:

• Full bass reproduction

• Natural vocal clarity

• Extended treble response

Even though it is a retro design, it still delivers modern-level frequency coverage.

High Dynamic Range for Musical Depth

The amplifier supports:

• Dynamic range: >100dB

This results in:

• Clear separation between soft and loud sounds

• More realistic audio experience

• Better emotional expression in music

It enhances the feeling of depth and space in soundstage.

Low Distortion Audio Output

The PAM-4174 ensures:

• Total Harmonic Distortion: 0.03% (typical operation)

This ensures:

• Clean and natural sound output

• Minimal audio coloration

• Smooth listening experience

Even at higher volume levels, the sound remains stable and enjoyable.

Compact Retro Design with Premium Feel

The amplifier comes in a solid compact structure:

• Size: 320 × 90 × 208 mm

• Net weight: 5.6 KG

• Package weight: 7 KG

The design reflects:

• Classic retro aesthetics

• Strong industrial build quality

• Compact desktop-friendly form factor

It fits perfectly in both modern and vintage audio setups.

Flexible Speaker Compatibility

The PAM-4174 supports:

• 8-ohm speakers

It works best with:

• Bookshelf speakers

• Small floor-standing speakers

• Vintage hi-fi systems

This makes it ideal for home stereo listening environments.

Custom Build and Limited Production Nature

This amplifier is:

• Custom-made model

• Built in small batches

• Includes hand-selected components

Important notes:

• Transformer may vary depending on batch

• Components are sourced from Japanese dismantled stock

• Customization requires 2–3 days production time

Each unit is slightly unique due to its handcrafted nature.

Why Sanyo STK Sound is Special

STK amplifier modules are known for:

• Warm analog sound character

• Strong midrange presence

• Smooth musical output

They are considered legendary because:

• Used in classic Japanese hi-fi systems

• Loved by audiophiles for decades

• Provide emotional sound experience

The PAM-4174 continues this legacy in modern form.

Ideal Use Cases

The BRZHIFI PAM-4174 is perfect for:

Vintage hi-fi lovers
Brings back classic analog sound experience.

Home music systems
Ideal for daily relaxed listening.

Audiophile setups
Offers emotional and musical sound signature.

Retro audio collections
Perfect for collectors of classic amplifier designs.

Why Buy from Audio Phonic

When you purchase the BRZHIFI PAM-4174 from Audio Phonic, you receive:

• 100% original product

• Carefully tested units

• Best price in Bangladesh

• Trusted customer support

Audio Phonic ensures authentic audio products for serious music lovers and collectors.

BRZHIFI PAM-4174 Price in Bangladesh

The BRZHIFI PAM-4174 Class AB Integrated Amplifier price in Bangladesh reflects its limited production, Japanese component sourcing, and classic STK sound design. It is a premium choice for users who value sound quality and authenticity over mass production specifications.

Technical Specifications

Model: PAM-4174
Brand: BRZHIFI
Type: Class AB
Channel: 2.0

Working Method: Class AB
Quiescent Current: 80mA

Output Power: 40W + 40W @ 8Ω
Distortion: 0.03% (typical), 0.4% at rated reference
Frequency Response: 20Hz – 50kHz
Dynamic Range: >100dB

Chipset: Sanyo STK4174MK2
Transformer: Japanese dismantled EI type
Design: Retro custom build

Dimensions: 320 × 90 × 208 mm
Net Weight: 5.6 KG
Package Weight: 7 KG

Final Verdict

The BRZHIFI PAM-4174 Class AB Integrated Amplifier 2 Channel (2.0) is a nostalgic and emotionally rich audio amplifier designed for lovers of classic hi-fi sound.

With its Sanyo STK thick film technology, Japanese components, and retro tuning philosophy, it delivers a warm, smooth, and highly musical listening experience.

If you are looking for a vintage-style integrated amplifier in Bangladesh, the PAM-4174 from Audio Phonic is a unique and highly musical choice.

Frequently Asked Questions (FAQs)

1. Is the BRZHIFI PAM-4174 a modern or vintage-style amplifier?

It is a retro-style amplifier designed with classic Sanyo STK sound philosophy.

2. What makes this amplifier special?

Its use of STK4174MK2 chip and Japanese dismantled components makes it unique.

3. What is the output power?

It delivers 40W + 40W at 8 ohms.

4. What type of sound does it produce?

It produces warm, smooth, and musical vintage-style sound.

5. Is it suitable for modern music?

Yes, but it performs best with vocal, jazz, and classical music.

6. Is this a mass production product?

No, it is a custom-made limited batch amplifier.

7. What speakers are compatible?

It supports 8-ohm bookshelf and hi-fi speakers.

8. Where can I buy it in Bangladesh?

You can purchase it from Audio Phonic with trusted service and support.