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DB2.2 2/1 Channel Bridgeable Stereo 12v Power Amplifier 1240w Verified RMS Power Output

World RRP: £262.99

Category: AMPLIFIERS

Product code: DB2.2

The venerable DB2.2 enters its seventh year of production, across three versions. The V3 product is the answer when the user wants outstanding class AB sound quality from a big, meaty two channel amplifier. Compared to the slightly clinical sound of the latest technology amplifier boards which aim to only produce maximum power the DB2.2 offers a beatiful and fully resolved musical tone. The version 3 product is significantly more efficient than the V2 unit, drawing much less current for the same output whilst retaining almost all of the earlier model's warmth of sound. Overbuilt power supply section and impressively low THD at full power make a compelling case for this amplifier.

Technical Highlights

  • High Fidelity Class A/B Topology
  • Remote Level Control (Included)
  • Line Out For Multi Amp Systems
  • Soft Turn On/Off
  • Variable Low Pass filter at 24db/oct
  • Variable High Pass filter at 24db/oct
  • Variable Bass Boost
  • Double Sided PCB Circuit Board
  • T.D.O.S. Amplifier Protection Circuitry
  • O.P.S. Oversized Power Supply
  • Up To 6V Ready Pre Amp Input Stage
  • Ultra Low THD Audiophile Components
  • High Density Cast Aluminium Heatsink Body
  • Thermally Efficient Heat-sink Coating
Technical Highlights

Series

Hammer

What's In The Box?

What's In The Box?
  • 1 x High Performance Mono Amplifier
  • 1 x Remote level control
  • 1 x 5m level control cable
  • 4 x Self tapping screws
  • 4 x 40A Spare Fuses

Version History

Prototype – Developed specifically to compete in the Italian marketplace as a high output, high quality class A/B amp to power very big midbass installs. The DB2.2 prototype ticked all the boxes upon arrival so we put into production the V1. V1 – Arriving to markets in 2014 the V1 performed well. V2 – The V2 addressed an issue we were seeing with these getting very hot when driven hard by adding a good size fan on the underside to force cooling. As well as the fan we introduced improved crossover functionality for users who want to use them without extrnal processing. V2.1 - On sale from Q1 2017 V2.1 features improved capacitor selection. This is a marginal improvement only. There are no external features to distinguish V2.1 units from V2.0 units and there was some stock crossover, with the entire batch of 2.1 units selling out by the end of Q2 2017. V3 - DB2.2 V3 uses a carefully redesigned board to reduce heat. V3 is easily distinguished with its 625mm length as compared to the previous generation which were 520mm long. Efficiency is up drastically along with a commensurate improvement in sound quality for very little sacrifice elsewhere - UPDATE - feedback indicates that the V3 sound quality is a little less "warm" than the older models. Some clients prefer this sound. On the whole V3 well received. V4 - V4 taking shape. We have received requests for the next iteration of the amplifier to use 0 GA power connections like the old V2 model - further testing in Greece has revealed that contrary to our first thoughts the amplifier does produce more power with the terminals upgraded to 0 GA and so we will look to include this alteration in the future as long as we can keep the amplifier cool.

Key Facts

Product Category Amplifiers
Version 3
Series Hammer
First Added 19/08/2016
Last Modified 09/03/2020
Barcode 617529407724
Production Status Discontinued
Product Net Weight (g) (For Pairs/Sets/Major Parts) 7242
Product Height (mm) 60
Product Length (mm) 625
Product Width (mm) 242
Complete Product Pack Weight (g) 7950
Warranty (Months) - Private Enjoyment Use Only 12
Sold As Single

Related products

Amplifier Data

Genuine Useable RMS Power, 4Ohm (Watts), < 1%THD, 14v 450x2
Genuine Useable RMS Power, 2Ohm (Watts), < 1%THD, 14v 620x2
Genuine Useable RMS Power, 4Ohm Bridge (Watts), < 1%THD, 14v 1240x1
Frequency Response (Hz) 10-25000
THD Continuous 4 Ohm 1Khz/100Hz (%) <0.04
Signal To Noise Ratio (db) >100
LPF (Hz) 50-120
HPF (Hz) 50-750
Bass Boost (Db) 0-18
Boost Frequency (Hz) 40
Audio Signal Input Voltage (V) 0.2-8
LPF Slope (Db/Oct) 24
HPF Slope (Db/Oct) 24
Amplifier Topology Class A/B
Fuse Rating (Amps) 4x40
Power Wire Input Gauge (AWG) 4
Recommended Wiring Kit and Accessories PWK4.1 RCA5.1
Minimum Recommend Final Load Per Channel (Ohms) 2
Channel Separation (Db) >60

Extended Amplifier Data

Verified RMS 14.4V Per Channel 4Ohm (Watts)@(THD), (Amps), (Version) 442@1%,100.8,(V3)
Verified RMS 14.4V Per Channel 2Ohm (Watts)@(THD), (Amps), (Version) 620@1%,167.5,(V3)
Verified RMS 14.4V Bridge 4Ohm (Watts)@(THD), (Amps), (Version) 1237@1%, 169.5,(V3)
Verified RMS 13.8V Per Channel 4Ohm (Watts)@(THD), (Amps), (Version) 411@1%,97.8,(V3)
Verified RMS 13.8V Per Channel 2Ohm (Watts)@(THD), (Amps), (Version) 554@1%,158.8,(V3)
Verified RMS 13.8V Bridge 4Ohm (Watts)@(THD), (Amps), (Version) 1102@1%,159.7,(V3)
Verified RMS 12.5V Per Channel 4Ohm (Watts)@(THD), (Amps), (Version) 339@1%,88.9,(V3)
Verified RMS 12.5V Per Channel 2Ohm (Watts)@(THD), (Amps), (Version) 457@1%,142.8,(V3)
Verified RMS 12.5V Bridge 4Ohm (Watts)@(THD), (Amps), (Version) 912@1%,144.8,(V3)

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