The TPA3118 class D amplifier IC is a leap in terms of audio quality.

Our board is a high quality implementation of the stock design.

- Using TPA3118 (better grounding of main IC)
- Anti-Pop circuit
- Bootstrap snubber mod
- Brand name components as per picture
- Radio avoidance switch (to reduce interference)

Note that PCB comes in 2 flavors:

1. Volt is a shield and beneath it has connector that will plug into our DACs (Piano 1.1 and Piano 2.1). It has no RCA inputs. (Capacitance Multiplier can be added as a standalone board).

2. Volt+ is a standalone amplifier with RCA IN (stereo). In addition to everything that the Volt has, we have added a circuit in the power supply that will reject spikes and noise to about 60db. The name of the circuit is "Capacitance Multiplier". Please note that Class D amplifier needs a quiet PSU.

Volt+ can be used with our DACs through the RCA input, as a standalone board.

Unlike our competitors that blindly copy the THD+N and SNR from datasheet, the files here show the real and tested characteristics of our Volt+ at different W of output power.

Note that in most cases we beat the THD+N and SNR from TI designed, evaluation board.


    
Features

This class D amplifier goes up to 2 x 50W Max
The components used are specifically designed for high end audio devices (Würth Inductor, TI chipset, film capacitors and ± 1% thin film resistors)
VOLT AMP boasts 4 output filters, 4 EMI Snubbers, 4 bootstrap capacitors and gain setting components
And Additional Provision for stepped attenuator volume control
Comes in two flavors (Volt and Volt+)
Power Connector Jack Barrel size: 3.00mm ID (0.118"), 6.50mm OD (0.256")

Technical Specifications

Chipset : TPA3118D2
Output : 2 x 50W (Max) into a 4 to 8-Ω BTL Load
Class D Operation : 90% POWER EFFICIENCY
SNR : 102dB
Supply Voltage : UP TO 24V DC
Operating Temperature : -40°C to 85°C Ambient
Board Size : LWH = 82.83mm * 125.5mm * 40.2mm
DC Connector Size : 3mm x 7.3mm
Mating Plug Size : 3mm x 6.5mm
Board Weight : 230g

VOLT+ AMP COMPONENTS


Components

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Volt+ Class D Amplifier

  • Brand: Allo
  • Product Code: Allo-Volt-Plus-Amp
  • Reward Points: 21
  • Availability: Shipped in 1 - 2 days
  • ₹2,149.00

  • Price in reward points: 2149

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Tags: VOLT+, CLASS D, AMPLIFIER, Allo