POWER AMPLIFIER SHOOTOUT

 

Songs used:

 

“Church” from the disc “Joshua Judges Ruth” by Lyle Lovett

 

“Temptation” from “The Girl In The Other Room” by Diana Krall

 

“The Well” from the disc “The Well” by Jennifer Warnes

 

- THE SYSTEM -

BPT 3.5 Signature Plus

Resolution Audio Opus21 with reference mods by Great Northern Sound

VAC Renaissance Signature MKII Pre

Moscode 401HR with stock tubes plus Mullard Blackburn 12AU7

Cables are Electra IC's from CDP to Pre -- TG Audio High Purity HSR IC's from pre to amp -- Shunyata Lyra SC's, and an assortment of Stealth and Acoustic Zen power cords

This all sits on Adona racks

Speakers are prototype AV123 LS6’s

 

 

 


 

Round 1 Match up #1

Nomad Vs Lyngdorf

 

Nomad Niagara

Power: 200W into 8 ohms, 400W into 4 ohms per channel

Bandwidth: 10-50Khz—All Loads, All Power Levels (+0, -3dB)

 Inputs: XLR and RCA (switchable)

Dimensions: 17.3” Wide, 14.5” Deep, 4.75” Tall

Transformer:  625VA per channel

Capacitance (Per Rail, Per Channel): 10,000uF

Price: $1950.00

 

LYNGDORF SDA 2175

Balanced input connectors 3-pin XLR, gold plated

Unbalanced Phono, gold-plated.

Voltage gain 26 dB

Output connectors 4 insulated binding posts, gold-plated

Output power, 8 Ohms 2 x 200 W 1 kHz, 1% THD+N

Output power, 4 Ohms 2 x 375 W 1 kHz, 1% THD+N

Frequency response 0.3 Hz – 33 kHz -3 dB points, 8 Ohms load.

Frequency response -0dB/+0.2dB 20 Hz - 20 kHz, 8 Ohms load

Frequency response -0.2dB/+0dB 20 Hz – 20 kHz, 4 Ohms load

THD+N, 1 W /8 Ohms 0.004% A-wgt.

THD+N, 1 W/4 Ohms 0.006% A-wgt.

THD+N, 100 W/8 Ohms 0.01% A-wgt.

THD+N, 180 W/8 Ohms 0.07% A-wgt.

THD+N, 275 W/4 Ohms 0.07% A-wgt.

S/N ratio 117 dB A-wgt. ref 200 W/8 Ohms.

Channel separation 84 dB 1 kHz, 200 W/8 Ohms.

Peak output current ±40 A

The amplifier cannot be used in bridged mono

Price:  $1,800

 

Nomad strength Comments

 

Nomad weakness comments

 

Preferred Nomad because:

 

Lyngdorf strength comments

 

Lyngdorf weakness comments

 

Preferred Lyngdorf because:

 

The reviewers were split on these by a vote of 2 to 2

1 reviewer noted it was a close call between these two amps

 


Round 1 Match up   #2

Flying Mole Vs Audiosector

 

 

FLYING MOLE MA-S160

Rated Power Output

100W x 2 : @8Ohms, 160W x 2 : @4Ohms

THD0.05% (@50W/8Ohms/1kHz)

Frequency Response

DC - 20kHz (+0dB/-0.5dB) / (8Ohms)

DC - 50kHz (+0dB/-3dB) / (8Ohms)

Channel Separation

>70dB (20kHz)

120dB S/N Ratio

Input Impedance

100kOhms (Fixed), 47kOhms (Variable)

Power Consumption 60W

Dimensions

11-1/16 " x 2-3/8 " x 11-3/8 "

Weight 9 lbs 3oz (4.2kg)

Price: $1,400 (approx)

 

Software: Microsoft Office

AUDIOSECTOR PATEK

 

This amp is not a class D or T amp, but rather a Gain Card. It was offered to us for the shootout

and after some discussion we decided to include it because the shootout, while labeled "Class D & T", is also about emerging technologies - publisher

 

50 watts average output power into 8 ohms 100W instantaneous peak output power

Gain: 30dB

Input impedance: 22K S/N ratio: >95dB (min)

Output protection from short Output over-voltage protection against transients from inductive loads

Frequency response: 5Hz - 250kHz (-3dB)

PRICE: $1,200

 

 

Flying Mole strength Comments

 

Flying Mole weakness comments

 

Preferred Flying Mole because:

 

Audiosector strength comments

 

Audiosector weakness comments

 

Preferred Audiosector because:

 

The reviewers were split on these by a vote of 2 to 2

 


 

 

Round 1 Match up #3

Cary Vs Dodd

CARY AUDIO CAA-1 Class D POWER AMP

Rated Power Output

125 watts/channel rms. @ 8 Ohms

250 watts/channel rms. @ 4 Ohms

Inputs:1 pair balanced XLR connections, 1 pair RCA connections

4 - custom speaker binding posts

THD+N<0.2%

Frequency Response + 0.5 dB from 20 Hz to 50 kHz

Signal-to-Noise Ratio -80 dB CCIR

PRICE: $1,499

 

GARY DODD CUSTOM CLASS T STEREO POWER AMPLIFIER

30 Watts per channel

Battery Powered (rechargeable)

Distortion only .05 at 30 watts

Custom exotic wood case

Production limited to 25 units

PRICE: $1,299

 

Cary strength Comments

 

Cary weakness comments

 

Preferred Cary because:

 

Dodd strength comments

 

Dodd weakness comments

 

Preferred Dodd because:

 

Cary is preferred by a vote of 3 to 1

 

This ends round 1

On to Round 2

 


 

Round 2 Match up

Audiosector Vs Nomad

 

Audiosector strength Comments

 

Audiosector weakness comments

 

Preferred Audiosector because:

 

Nomad strength comments

 

Nomad weakness comments

 

Audiosector is preferred by a vote of 4 to 0

 

 

 

Round 2 Match up

Lyngdorf Vs Dodd

 

Lyngdorf strength Comments

 

Lyngdorf weakness comments

 

Preferred Lyngdorf because:

 

Dodd strength comments

 

Dodd weakness comments

 

Preferred Dodd because:

 

Dodd is preferred by a vote of 3 to 1

1 reviewer noted it was a close call between these two amps

 


 

Round 2 Match up

Flying Mole Vs Cary

 

Flying Mole strength Comments

 

Flying Mole weakness comments

 

Preferred Flying Mole because:

 

Cary strength comments

 

Cary weakness comments

 

Preferred Cary because:

 

The reviewers were split on these by a vote of 2 to 2

 



Overall Scorecard after Two Rounds

(win = +1 point / Tie = 0 points / Loss = (1) point

                       

                                                      

Power Amplifiers

Round 1

Round 2

Overall

Dodd    

(1)

1

0

Flying Mole

0

0

0

Nomad

0

-1

-1

Audiosector

0

1

1

Cary

1

0

1

Lyngdorg

0

-1

-1

                 

Cary, Dodd, Audiosector and Flying Mole move on to the Final Four.

 


 

- THE FINAL FOUR -

 

Semi-Final Match up

Audiosector Vs Dodd

 

Audiosector strength Comments

 

Audiosector weakness comments

 

Preferred Audiosector because:

 

Dodd strength comments

 

Dodd weakness comments

 

Preferred Dodd because:

 

Dodd is preferred by a vote of 3 to 1

 


 

Semi-Final Match up

 

Flying Mole Vs Cary (rematch)

 

Flying Mole strength Comments

 

Flying Mole weakness comments

 

Preferred Flying Mole because:

 

Cary strength comments

 

Cary weakness comments

 

Preferred Cary because:

 

Cary is preferred by a vote of 3 to 1

2 reviewers noted it was very close between these two amps

 



 

FINAL MATCHUP

 

Cary Vs Dodd (rematch)

 

Cary strength Comments

 

Cary weakness comments

 

Preferred Cary because:

 

Dodd strength comments

 

Dodd weakness comments

 

Preferred Dodd because:

 

Cary is preferred by a vote of 3 to 1

(Of note, this is consistent with the previous match up of these two in Round 1)

 

 

 

 

 

 

 

 

Congratulations

to

DENNIS HAD

and all the fine folks at Cary Audio

 

Cary Audio is awarded our

Winner

The Great Digital Amp Shootout

Power Amplifier

 

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