Woo Audio Amplifier Comparison Chart

Woo Audio. All Rights Reserved. This document is subject to change without notice. Last updated: v1.3 June 2014

Model click to open WA5-LE WA22 WA6SE WA6 WA7 Fireflies WA7d Fireflies WA7tp Tube PSU WA2 WA3 WES GES WA234 Mono WA5

Price* $2,750 $1,995 $1,190 $699 $999 $1,199 $399 w/ purchase of WA7 or WA7d $1,190 $599 $4,990 $1,590$15,900 per pair $3,500

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Headphone & USB DAC

Tube power supply for WA7

& WA7d Fireflies

Headphone & Pre-Amp

Headphone & Speaker Amp

Headphone & Speaker Amp

Topology Single Ended, OPT Coupled Fully Balanced, OPT Coupled vacuum tubes linear power supply Fully Balanced, OTL OTL Single Ended, OPT Coupled Single Ended, OPT CoupledTube Compositionalso see compatible chart 300B x2, 6SN7 x2, 5U4G x2 6080 x2, 6SN7 x2, 5U4G x1 6C45 x2 6C45 x2 12AU7 x2 6080 x2, 6922 x2, EZ80 x2 6080 x1, 6922 x2 EL34 x4, 6SL7 x4, 5AR4 x2, 12AU7 x2 6S4 x4, 12AX7 x4 6SN7x2, 5U4Gx2, 2A3x2, 300Bx2, 45x2 300B x2, 6SN7 x2, 5U4G x2

RMS Output per ch.

640mW @32630mW @60

1000mW @120850mW @300580mW @600K1000 8W @120(WA5)SPK 8W @8

(WA5)

1500mW @321500mW @60

1600mW @1201100mW @300700mW @600

(with 7236 tube)

2000mW @321900mW @601800mW

@1201300mW @300800mW @600

580mW @32550mW @60590mW

@120460mW @300400mW @600

(with 6DR7)

774mW @321398mW @601376mW

@120559mW @300309mW @600

774mW @321398mW @601376mW

@120559mW @300309mW @600

N/A310mW @32400mW @60

550mW @120640mW @300480mW @600

(with 6080)

110mW @32150mW @60

270mW @120330mW @300260mW @600

(with 6080)

1300 Volts P-P 800 Volts P-P See full details at 234mono.com640mW @32630mW @60

1000mW @120850mW @300580mW @600K1000 8W @120(WA5)

SPK 8W @8 (WA5)

Power consumption 140 Watts 54 Watts 44 Watts 36 Watts 25 Watts 25 Watts N/A 48 Watts 32 Watts 118 Watts 51 Watts 70 Watts/ch. 140 WattsInput Source RCA x4 XLR x1, RCA x1 RCA x2 RCA x1 RCA x1, USB x1 Optical (TOSLINK), RCA x1, USB x1 N/A RCA x4 RCA x1 XLR x2, RCA x1 RCA x2 RCAx2 / XLR x1 RCA x4Recommended headphones

Any dynamic headphones in any specifications N/A Any Stax 5-pin Pro bias, Sennheiser HE90 Any Stax 5-pin Pro bias, except 007MK2 Any dynamic headphones Any dynamic headphonesDimension (HxWxD)inch/mm 8.5" x 9" x 17"/ 215.9 x 228.6 x 431.8mmeach unit

7 x 12 x 10.5/ 177.8 x 304.8 x 266.7mm6" x 5.5" x 13"/ 152.4 x 139.7 x 330.2mm each unit

6" x 5.5" x 13"/ 152.4 x 139.7 x 330.2mm AMP: 5.1" x 4.8" x 4.8" / 130 x 122 x 122 mm AMP ONLY

AMP: 5.1" x 4.8" x 4.8" / 130 x 122 x 122 mm AMP ONLYPSU: 5.1" x 4.8" x 4.8" / 130 x 122 x 122 mm PSU ONLY

5.5" x 13" x 9"/ 139.7 x 330.2 x 228.6mm 6" x 5.5" x 13"/ 152.4 x 139.7 x 330.2mm 4.5-7.5x16.5x12/ 114.3-190.5 x 419.1 x 304.8mm each unit

6" x 13" x 10.5"/ 152.4 x 330.2 x 266.7mm8.5" x 9" x 17"/ 215.9 x 228.6 x 431.8mmeach unit

8.5" x 9" x 17"/ 215.9 x 228.6 x 431.8mmeach unitWeight 70 lbs/31.8 kg 25 lbs/11.4 kg 22 lbs/10 kg 13.5 lbs/6.14 kg 11.4 lbs/5.3 kg 11.4 lbs/5.3 kg 9.4 lbs/4.3 kg 17 lbs/7.73 kg 11 lbs/ 5 kg 40 lbs/18.2 kg 22 lbs/10 kg 60 lbs/27 kg 70 lbs/31.8 kgFootnotes

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Headphones & Speakers Amplifier

Single Ended, OTLHeadphone Amp Only

Electrostatic Headphone AmpDynamic Headphone Amplifier

"*" Prices are listed for the US only and are subject to change without notice, without calculated shipping. All models have dual voltage selection for AC110/120V and AC220/240V. Rating 8 is stars. OPT = Output Transformer. OTL = Output Transformer-less.

Impedance >100 ohms and/or sensitivity >100dB

Single Ended, OPT Coupled

Most kinds of dynamic headphones

Headphone Amp Only

6DE7 x2, 5U4G x1

comparison